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Posted to commits@hdt.apache.org by ad...@apache.org on 2013/01/08 23:26:26 UTC
[3/11] Import of source from Apache Hadoop MapReduce contrib,
this is the plugin as it existed in the Hadoop 0.23.4 release.
http://git-wip-us.apache.org/repos/asf/incubator-hdt/blob/a1719e04/eclipse-plugin/src/java/org/apache/hadoop/eclipse/dfs/ActionProvider.java
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diff --git a/eclipse-plugin/src/java/org/apache/hadoop/eclipse/dfs/ActionProvider.java b/eclipse-plugin/src/java/org/apache/hadoop/eclipse/dfs/ActionProvider.java
new file mode 100644
index 0000000..65436ac
--- /dev/null
+++ b/eclipse-plugin/src/java/org/apache/hadoop/eclipse/dfs/ActionProvider.java
@@ -0,0 +1,193 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.eclipse.dfs;
+
+import org.apache.hadoop.eclipse.ImageLibrary;
+import org.apache.hadoop.eclipse.actions.DFSActionImpl;
+import org.eclipse.jface.action.Action;
+import org.eclipse.jface.action.IMenuManager;
+import org.eclipse.jface.resource.ImageDescriptor;
+import org.eclipse.jface.viewers.ISelection;
+import org.eclipse.jface.viewers.IStructuredSelection;
+import org.eclipse.ui.IActionBars;
+import org.eclipse.ui.PlatformUI;
+import org.eclipse.ui.actions.ActionFactory;
+import org.eclipse.ui.navigator.CommonActionProvider;
+import org.eclipse.ui.navigator.ICommonActionConstants;
+import org.eclipse.ui.navigator.ICommonActionExtensionSite;
+import org.eclipse.ui.navigator.ICommonMenuConstants;
+
+/**
+ * Allows the user to delete and refresh items in the DFS tree
+ */
+
+public class ActionProvider extends CommonActionProvider {
+
+ private static ICommonActionExtensionSite site;
+
+ public ActionProvider() {
+ }
+
+ /* @inheritDoc */
+ @Override
+ public void init(ICommonActionExtensionSite site) {
+ if (ActionProvider.site != null) {
+ System.err.printf("%s: Multiple init()\n", this.getClass()
+ .getCanonicalName());
+ return;
+ }
+ super.init(site);
+ ActionProvider.site = site;
+ }
+
+ /* @inheritDoc */
+ @Override
+ public void fillActionBars(IActionBars actionBars) {
+ actionBars.setGlobalActionHandler(ActionFactory.DELETE.getId(),
+ new DFSAction(DFSActions.DELETE));
+ actionBars.setGlobalActionHandler(ActionFactory.REFRESH.getId(),
+ new DFSAction(DFSActions.REFRESH));
+
+ if (site == null)
+ return;
+
+ if ((site.getStructuredViewer().getSelection() instanceof IStructuredSelection)
+ && (((IStructuredSelection) site.getStructuredViewer()
+ .getSelection()).size() == 1)
+ && (((IStructuredSelection) site.getStructuredViewer()
+ .getSelection()).getFirstElement() instanceof DFSFile)) {
+
+ actionBars.setGlobalActionHandler(ICommonActionConstants.OPEN,
+ new DFSAction(DFSActions.OPEN));
+ }
+
+ actionBars.updateActionBars();
+ }
+
+ /* @inheritDoc */
+ @Override
+ public void fillContextMenu(IMenuManager menu) {
+ /*
+ * Actions on multiple selections
+ */
+ menu.appendToGroup(ICommonMenuConstants.GROUP_EDIT, new DFSAction(
+ DFSActions.DELETE));
+
+ menu.appendToGroup(ICommonMenuConstants.GROUP_OPEN, new DFSAction(
+ DFSActions.REFRESH));
+
+ menu.appendToGroup(ICommonMenuConstants.GROUP_NEW, new DFSAction(
+ DFSActions.DOWNLOAD));
+
+ if (site == null)
+ return;
+
+ ISelection isel = site.getStructuredViewer().getSelection();
+ if (!(isel instanceof IStructuredSelection))
+ return;
+
+ /*
+ * Actions on single selections only
+ */
+
+ IStructuredSelection issel = (IStructuredSelection) isel;
+ if (issel.size() != 1)
+ return;
+ Object element = issel.getFirstElement();
+
+ if (element instanceof DFSFile) {
+ menu.appendToGroup(ICommonMenuConstants.GROUP_OPEN, new DFSAction(
+ DFSActions.OPEN));
+
+ } else if (element instanceof DFSFolder) {
+ menu.appendToGroup(ICommonMenuConstants.GROUP_NEW, new DFSAction(
+ DFSActions.MKDIR));
+ menu.appendToGroup(ICommonMenuConstants.GROUP_NEW, new DFSAction(
+ DFSActions.UPLOAD_FILES));
+ menu.appendToGroup(ICommonMenuConstants.GROUP_NEW, new DFSAction(
+ DFSActions.UPLOAD_DIR));
+
+ } else if (element instanceof DFSLocation) {
+ menu.appendToGroup(ICommonMenuConstants.GROUP_OPEN, new DFSAction(
+ DFSActions.RECONNECT));
+
+ } else if (element instanceof DFSLocationsRoot) {
+ menu.appendToGroup(ICommonMenuConstants.GROUP_OPEN, new DFSAction(
+ DFSActions.DISCONNECT));
+ }
+
+ }
+
+ /**
+ * Representation of an action on a DFS entry in the browser
+ */
+ public static class DFSAction extends Action {
+
+ private final String id;
+
+ private final String title;
+
+ private DFSActions action;
+
+ public DFSAction(String id, String title) {
+ this.id = id;
+ this.title = title;
+ }
+
+ public DFSAction(DFSActions action) {
+ this.id = action.id;
+ this.title = action.title;
+ }
+
+ /* @inheritDoc */
+ @Override
+ public String getText() {
+ return this.title;
+ }
+
+ /* @inheritDoc */
+ @Override
+ public ImageDescriptor getImageDescriptor() {
+ return ImageLibrary.get(getActionDefinitionId());
+ }
+
+ /* @inheritDoc */
+ @Override
+ public String getActionDefinitionId() {
+ return id;
+ }
+
+ /* @inheritDoc */
+ @Override
+ public void run() {
+ DFSActionImpl action = new DFSActionImpl();
+ action.setActivePart(this, PlatformUI.getWorkbench()
+ .getActiveWorkbenchWindow().getActivePage().getActivePart());
+ action.selectionChanged(this, site.getStructuredViewer()
+ .getSelection());
+ action.run(this);
+ }
+
+ /* @inheritDoc */
+ @Override
+ public boolean isEnabled() {
+ return true;
+ }
+ }
+}
http://git-wip-us.apache.org/repos/asf/incubator-hdt/blob/a1719e04/eclipse-plugin/src/java/org/apache/hadoop/eclipse/dfs/DFSActions.java
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diff --git a/eclipse-plugin/src/java/org/apache/hadoop/eclipse/dfs/DFSActions.java b/eclipse-plugin/src/java/org/apache/hadoop/eclipse/dfs/DFSActions.java
new file mode 100644
index 0000000..038497a
--- /dev/null
+++ b/eclipse-plugin/src/java/org/apache/hadoop/eclipse/dfs/DFSActions.java
@@ -0,0 +1,44 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.eclipse.dfs;
+
+public enum DFSActions {
+
+ DELETE("Delete"), REFRESH("Refresh"), DOWNLOAD("Download from DFS..."), OPEN(
+ "View"), MKDIR("Create new directory..."), UPLOAD_FILES(
+ "Upload files to DFS..."), UPLOAD_DIR("Upload directory to DFS..."), RECONNECT(
+ "Reconnect"), DISCONNECT("Disconnect");
+
+ final String title;
+
+ final String id;
+
+ private static final String PREFIX = "dfs.browser.action.";
+
+ public static DFSActions getById(String def) {
+ if (!def.startsWith(PREFIX))
+ return null;
+ return valueOf(def.substring(PREFIX.length()).toUpperCase());
+ }
+
+ DFSActions(String title) {
+ this.title = title;
+ this.id = PREFIX + this.name().toLowerCase();
+ }
+}
http://git-wip-us.apache.org/repos/asf/incubator-hdt/blob/a1719e04/eclipse-plugin/src/java/org/apache/hadoop/eclipse/dfs/DFSContent.java
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diff --git a/eclipse-plugin/src/java/org/apache/hadoop/eclipse/dfs/DFSContent.java b/eclipse-plugin/src/java/org/apache/hadoop/eclipse/dfs/DFSContent.java
new file mode 100644
index 0000000..bea94d5
--- /dev/null
+++ b/eclipse-plugin/src/java/org/apache/hadoop/eclipse/dfs/DFSContent.java
@@ -0,0 +1,32 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.eclipse.dfs;
+
+/**
+ * Interface to define content entities in the DFS browser
+ */
+public interface DFSContent {
+
+ boolean hasChildren();
+
+ DFSContent[] getChildren();
+
+ void refresh();
+
+}
http://git-wip-us.apache.org/repos/asf/incubator-hdt/blob/a1719e04/eclipse-plugin/src/java/org/apache/hadoop/eclipse/dfs/DFSContentProvider.java
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diff --git a/eclipse-plugin/src/java/org/apache/hadoop/eclipse/dfs/DFSContentProvider.java b/eclipse-plugin/src/java/org/apache/hadoop/eclipse/dfs/DFSContentProvider.java
new file mode 100644
index 0000000..fca7d46
--- /dev/null
+++ b/eclipse-plugin/src/java/org/apache/hadoop/eclipse/dfs/DFSContentProvider.java
@@ -0,0 +1,244 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.eclipse.dfs;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import org.apache.hadoop.eclipse.ImageLibrary;
+import org.apache.hadoop.eclipse.server.HadoopServer;
+import org.apache.hadoop.eclipse.servers.ServerRegistry;
+import org.eclipse.jface.viewers.ILabelProvider;
+import org.eclipse.jface.viewers.ILabelProviderListener;
+import org.eclipse.jface.viewers.ITreeContentProvider;
+import org.eclipse.jface.viewers.StructuredViewer;
+import org.eclipse.jface.viewers.Viewer;
+import org.eclipse.swt.graphics.Image;
+import org.eclipse.swt.widgets.Display;
+
+/**
+ * Handles viewing of DFS locations
+ * <p>
+ *
+ * The content handled by this provider is a tree:
+ *
+ * <tt>
+ * <br>DFSLocationsRoot
+ * <br>\_HadoopServer
+ * <br>| \_DfsFolder
+ * <br>| | \_DfsFile
+ * <br>| \_DfsFolder
+ * <br>| ...
+ * <br>\_HadoopServer...
+ * </tt>
+ *
+ * The code should not block here: blocking operations need to be done
+ * asynchronously so as not to freeze the UI!
+ */
+public class DFSContentProvider implements ITreeContentProvider,
+ ILabelProvider {
+
+ /**
+ * The viewer that displays this Tree content
+ */
+ private Viewer viewer;
+
+ private StructuredViewer sviewer;
+
+ private Map<HadoopServer, DFSContent> rootFolders =
+ new HashMap<HadoopServer, DFSContent>();
+
+ /**
+ * Constructor: load resources (icons).
+ */
+ public DFSContentProvider() {
+ }
+
+ private final DFSLocationsRoot locationsRoot = new DFSLocationsRoot(this);
+
+ /*
+ * ITreeContentProvider implementation
+ */
+
+ /* @inheritDoc */
+ public Object[] getChildren(Object parent) {
+
+ if (!(parent instanceof DFSContent))
+ return null;
+ DFSContent content = (DFSContent) parent;
+ return content.getChildren();
+ }
+
+ public Object[] test(Object parentElement) {
+ if (parentElement instanceof DFSLocationsRoot) {
+ return ServerRegistry.getInstance().getServers().toArray();
+
+ } else if (parentElement instanceof HadoopServer) {
+ final HadoopServer location = (HadoopServer) parentElement;
+ Object root = rootFolders.get(location);
+ if (root != null)
+ return new Object[] { root };
+
+ return new Object[] { "Connecting to DFS..." };
+
+ } else if (parentElement instanceof DFSFolder) {
+ DFSFolder folder = (DFSFolder) parentElement;
+ return folder.getChildren();
+ }
+
+ return new Object[] { "<Unknown DFSContent>" };
+ }
+
+ /* @inheritDoc */
+ public Object getParent(Object element) {
+
+ if (element instanceof DFSPath) {
+ return ((DFSPath) element).getParent();
+
+ } else if (element instanceof HadoopServer) {
+ return locationsRoot;
+ }
+
+ return null;
+ }
+
+ /* @inheritDoc */
+ public boolean hasChildren(Object element) {
+ if (element instanceof DFSContent) {
+ DFSContent content = (DFSContent) element;
+ return content.hasChildren();
+ }
+ return false;
+ }
+
+ /*
+ * IStructureContentProvider implementation
+ */
+
+ /* @inheritDoc */
+ public Object[] getElements(final Object inputElement) {
+ return new Object[] { locationsRoot };
+ // return ServerRegistry.getInstance().getServers().toArray();
+ }
+
+ /*
+ * ILabelProvider implementation
+ */
+
+ /* @inheritDoc */
+ public Image getImage(Object element) {
+ if (element instanceof DFSLocationsRoot)
+ return ImageLibrary.getImage("dfs.browser.root.entry");
+
+ else if (element instanceof DFSLocation)
+ return ImageLibrary.getImage("dfs.browser.location.entry");
+
+ else if (element instanceof DFSFolder)
+ return ImageLibrary.getImage("dfs.browser.folder.entry");
+
+ else if (element instanceof DFSFile)
+ return ImageLibrary.getImage("dfs.browser.file.entry");
+
+ return null;
+ }
+
+ /* @inheritDoc */
+ public String getText(Object element) {
+ if (element instanceof DFSFile)
+ return ((DFSFile) element).toDetailedString();
+
+ return element.toString();
+ }
+
+ /*
+ * IBaseLabelProvider implementation
+ */
+
+ /* @inheritDoc */
+ public void addListener(ILabelProviderListener listener) {
+ }
+
+ /* @inheritDoc */
+ public void removeListener(ILabelProviderListener listener) {
+ }
+
+ /* @inheritDoc */
+ public boolean isLabelProperty(Object element, String property) {
+ return false;
+ }
+
+ /*
+ * IContentProvider implementation
+ */
+
+ /* @inheritDoc */
+ public void dispose() {
+ }
+
+ /* @inheritDoc */
+ public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
+ this.viewer = viewer;
+ if ((viewer != null) && (viewer instanceof StructuredViewer))
+ this.sviewer = (StructuredViewer) viewer;
+ else
+ this.sviewer = null;
+ }
+
+ /*
+ * Miscellaneous
+ */
+
+ /**
+ * Ask the viewer for this content to refresh
+ */
+ void refresh() {
+ // no display, nothing to update
+ if (this.viewer == null)
+ return;
+
+ Display.getDefault().asyncExec(new Runnable() {
+ public void run() {
+ DFSContentProvider.this.viewer.refresh();
+ }
+ });
+ }
+
+ /**
+ * Ask the viewer to refresh a single element
+ *
+ * @param content what to refresh
+ */
+ void refresh(final DFSContent content) {
+ if (this.sviewer != null) {
+ Display.getDefault().asyncExec(new Runnable() {
+ public void run() {
+ DFSContentProvider.this.sviewer.refresh(content);
+ }
+ });
+
+ } else {
+ refresh();
+ }
+ }
+
+ Viewer getViewer() {
+ return this.viewer;
+ }
+
+}
http://git-wip-us.apache.org/repos/asf/incubator-hdt/blob/a1719e04/eclipse-plugin/src/java/org/apache/hadoop/eclipse/dfs/DFSFile.java
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diff --git a/eclipse-plugin/src/java/org/apache/hadoop/eclipse/dfs/DFSFile.java b/eclipse-plugin/src/java/org/apache/hadoop/eclipse/dfs/DFSFile.java
new file mode 100644
index 0000000..af8e6c1
--- /dev/null
+++ b/eclipse-plugin/src/java/org/apache/hadoop/eclipse/dfs/DFSFile.java
@@ -0,0 +1,350 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.eclipse.dfs;
+
+import java.io.BufferedInputStream;
+import java.io.BufferedOutputStream;
+import java.io.DataInputStream;
+import java.io.DataOutputStream;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.lang.reflect.InvocationTargetException;
+
+import org.apache.hadoop.eclipse.Activator;
+import org.apache.hadoop.eclipse.ErrorMessageDialog;
+import org.apache.hadoop.fs.FileStatus;
+import org.apache.hadoop.fs.Path;
+import org.eclipse.core.resources.IStorage;
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.IPath;
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.core.runtime.PlatformObject;
+import org.eclipse.core.runtime.Status;
+import org.eclipse.jface.dialogs.MessageDialog;
+import org.eclipse.jface.operation.IRunnableWithProgress;
+import org.eclipse.ui.PlatformUI;
+
+/**
+ * File handling methods for the DFS
+ */
+public class DFSFile extends DFSPath implements DFSContent {
+
+ protected long length;
+
+ protected short replication;
+
+ /**
+ * Constructor to upload a file on the distributed file system
+ *
+ * @param parent
+ * @param path
+ * @param file
+ * @param monitor
+ */
+ public DFSFile(DFSPath parent, Path path, File file,
+ IProgressMonitor monitor) {
+
+ super(parent, path);
+ this.upload(monitor, file);
+ }
+
+ public DFSFile(DFSPath parent, Path path) {
+ super(parent, path);
+
+ try {
+ FileStatus fs = getDFS().getFileStatus(path);
+ this.length = fs.getLen();
+ this.replication = fs.getReplication();
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+ }
+
+ /**
+ * Download and view contents of a file
+ *
+ * @return a InputStream for the file
+ */
+ public InputStream open() throws IOException {
+
+ return getDFS().open(this.path);
+ }
+
+ /**
+ * Download this file to the local file system. This creates a download
+ * status monitor.
+ *
+ * @param file
+ * @throws JSchException
+ * @throws IOException
+ * @throws InvocationTargetException
+ * @throws InterruptedException
+ *
+ * @deprecated
+ */
+ public void downloadToLocalFile(final File file)
+ throws InvocationTargetException, InterruptedException {
+
+ PlatformUI.getWorkbench().getProgressService().busyCursorWhile(
+ new IRunnableWithProgress() {
+ public void run(IProgressMonitor monitor)
+ throws InvocationTargetException {
+
+ DFSFile.this.downloadToLocalFile(monitor, file);
+ }
+ });
+ }
+
+ /* @inheritDoc */
+ @Override
+ public void downloadToLocalDirectory(IProgressMonitor monitor, File dir) {
+
+ File dfsPath = new File(this.getPath().toString());
+ File destination = new File(dir, dfsPath.getName());
+
+ if (destination.exists()) {
+ boolean answer =
+ MessageDialog.openQuestion(null, "Overwrite existing local file?",
+ "The file you are attempting to download from the DFS "
+ + this.getPath()
+ + ", already exists in your local directory as "
+ + destination + ".\n" + "Overwrite the existing file?");
+ if (!answer)
+ return;
+ }
+
+ try {
+ this.downloadToLocalFile(monitor, destination);
+
+ } catch (Exception e) {
+ e.printStackTrace();
+ MessageDialog.openWarning(null, "Download to local file system",
+ "Downloading of file \"" + this.path + "\" to local directory \""
+ + dir + "\" has failed.\n" + e);
+ }
+ }
+
+ /**
+ * Provides a detailed string for this file
+ *
+ * @return the string formatted as
+ * <tt><filename> (<size>, r<replication>)</tt>
+ */
+ public String toDetailedString() {
+ final String[] units = { "b", "Kb", "Mb", "Gb", "Tb" };
+ int unit = 0;
+ double l = this.length;
+ while ((l >= 1024.0) && (unit < units.length)) {
+ unit += 1;
+ l /= 1024.0;
+ }
+
+ return String.format("%s (%.1f %s, r%d)", super.toString(), l,
+ units[unit], this.replication);
+ }
+
+ /* @inheritDoc */
+ @Override
+ public String toString() {
+ return this.path.toString();
+ }
+
+ /*
+ *
+ */
+
+ /**
+ * Download the DfsFile to a local file. Use the given monitor to report
+ * status of operation.
+ *
+ * @param monitor the status monitor
+ * @param file the local file where to put the downloaded file
+ * @throws InvocationTargetException
+ */
+ public void downloadToLocalFile(IProgressMonitor monitor, File file)
+ throws InvocationTargetException {
+
+ final int taskSize = 1024;
+
+ monitor.setTaskName("Download file " + this.path);
+
+ BufferedOutputStream ostream = null;
+ DataInputStream istream = null;
+
+ try {
+ istream = getDFS().open(this.path);
+ ostream = new BufferedOutputStream(new FileOutputStream(file));
+
+ int bytes;
+ byte[] buffer = new byte[taskSize];
+
+ while ((bytes = istream.read(buffer)) >= 0) {
+ if (monitor.isCanceled())
+ return;
+ ostream.write(buffer, 0, bytes);
+ monitor.worked(1);
+ }
+
+ } catch (Exception e) {
+ throw new InvocationTargetException(e);
+
+ } finally {
+ // Clean all opened resources
+ if (istream != null) {
+ try {
+ istream.close();
+ } catch (IOException e) {
+ e.printStackTrace();
+ // nothing we can do here
+ }
+ }
+ try {
+ ostream.close();
+ } catch (IOException e) {
+ e.printStackTrace();
+ // nothing we can do here
+ }
+ }
+ }
+
+ /**
+ * Upload a local file to this file on the distributed file system
+ *
+ * @param monitor
+ * @param file
+ */
+ public void upload(IProgressMonitor monitor, File file) {
+
+ final int taskSize = 1024;
+
+ monitor.setTaskName("Upload file " + this.path);
+
+ BufferedInputStream istream = null;
+ DataOutputStream ostream = null;
+
+ try {
+ istream = new BufferedInputStream(new FileInputStream(file));
+ ostream = getDFS().create(this.path);
+
+ int bytes;
+ byte[] buffer = new byte[taskSize];
+
+ while ((bytes = istream.read(buffer)) >= 0) {
+ if (monitor.isCanceled())
+ return;
+ ostream.write(buffer, 0, bytes);
+ monitor.worked(1);
+ }
+
+ } catch (Exception e) {
+ ErrorMessageDialog.display(String.format(
+ "Unable to uploade file %s to %s", file, this.path), e
+ .getLocalizedMessage());
+
+ } finally {
+ try {
+ if (istream != null)
+ istream.close();
+ } catch (IOException e) {
+ e.printStackTrace();
+ // nothing we can do here
+ }
+ try {
+ if (ostream != null)
+ ostream.close();
+ } catch (IOException e) {
+ e.printStackTrace();
+ // nothing we can do here
+ }
+ }
+ }
+
+ /* @inheritDoc */
+ @Override
+ public void refresh() {
+ getParent().refresh();
+ }
+
+ /* @inheritDoc */
+ @Override
+ public int computeDownloadWork() {
+ return 1 + (int) (this.length / 1024);
+ }
+
+ /**
+ * Creates an adapter for the file to open it in the Editor
+ *
+ * @return the IStorage
+ */
+ public IStorage getIStorage() {
+ return new IStorageAdapter();
+ }
+
+ /**
+ * IStorage adapter to open the file in the Editor
+ */
+ private class IStorageAdapter extends PlatformObject implements IStorage {
+
+ /* @inheritDoc */
+ public InputStream getContents() throws CoreException {
+ try {
+ return DFSFile.this.open();
+
+ } catch (IOException ioe) {
+ throw new CoreException(new Status(Status.ERROR,
+ Activator.PLUGIN_ID, 0, "Unable to open file \""
+ + DFSFile.this.path + "\"", ioe));
+ }
+ }
+
+ /* @inheritDoc */
+ public IPath getFullPath() {
+ return new org.eclipse.core.runtime.Path(DFSFile.this.path.toString());
+ }
+
+ /* @inheritDoc */
+ public String getName() {
+ return DFSFile.this.path.getName();
+ }
+
+ /* @inheritDoc */
+ public boolean isReadOnly() {
+ return true;
+ }
+
+ }
+
+ /*
+ * Implementation of DFSContent
+ */
+
+ /* @inheritDoc */
+ public DFSContent[] getChildren() {
+ return null;
+ }
+
+ /* @inheritDoc */
+ public boolean hasChildren() {
+ return false;
+ }
+
+}
http://git-wip-us.apache.org/repos/asf/incubator-hdt/blob/a1719e04/eclipse-plugin/src/java/org/apache/hadoop/eclipse/dfs/DFSFolder.java
----------------------------------------------------------------------
diff --git a/eclipse-plugin/src/java/org/apache/hadoop/eclipse/dfs/DFSFolder.java b/eclipse-plugin/src/java/org/apache/hadoop/eclipse/dfs/DFSFolder.java
new file mode 100644
index 0000000..7dc72a7
--- /dev/null
+++ b/eclipse-plugin/src/java/org/apache/hadoop/eclipse/dfs/DFSFolder.java
@@ -0,0 +1,213 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.eclipse.dfs;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.logging.Logger;
+
+import org.apache.hadoop.eclipse.server.HadoopServer;
+import org.apache.hadoop.fs.FileStatus;
+import org.apache.hadoop.fs.Path;
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.core.runtime.Status;
+import org.eclipse.core.runtime.jobs.Job;
+import org.eclipse.jface.dialogs.MessageDialog;
+
+/**
+ * Local representation of a folder in the DFS.
+ *
+ * The constructor creates an empty representation of the folder and spawn a
+ * thread that will fill
+ */
+public class DFSFolder extends DFSPath implements DFSContent {
+
+ static Logger log = Logger.getLogger(DFSFolder.class.getName());
+
+ private DFSContent[] children;
+
+ protected DFSFolder(DFSContentProvider provider, HadoopServer location)
+ throws IOException {
+
+ super(provider, location);
+ }
+
+ private DFSFolder(DFSPath parent, Path path) {
+ super(parent, path);
+ }
+
+ protected void loadDFSFolderChildren() throws IOException {
+ List<DFSPath> list = new ArrayList<DFSPath>();
+
+ for (FileStatus status : getDFS().listStatus(this.getPath())) {
+ if (status.isDir()) {
+ list.add(new DFSFolder(this, status.getPath()));
+ } else {
+ list.add(new DFSFile(this, status.getPath()));
+ }
+ }
+
+ this.children = list.toArray(new DFSContent[list.size()]);
+ }
+
+ /**
+ * Upload the given file or directory into this DfsFolder
+ *
+ * @param file
+ * @throws IOException
+ */
+ public void upload(IProgressMonitor monitor, final File file)
+ throws IOException {
+
+ if (file.isDirectory()) {
+ Path filePath = new Path(this.path, file.getName());
+ getDFS().mkdirs(filePath);
+ DFSFolder newFolder = new DFSFolder(this, filePath);
+ monitor.worked(1);
+ for (File child : file.listFiles()) {
+ if (monitor.isCanceled())
+ return;
+ newFolder.upload(monitor, child);
+ }
+
+ } else if (file.isFile()) {
+ Path filePath = new Path(this.path, file.getName());
+ DFSFile newFile = new DFSFile(this, filePath, file, monitor);
+
+ } else {
+ // XXX don't know what the file is?
+ }
+ }
+
+ /* @inheritDoc */
+ @Override
+ public void downloadToLocalDirectory(IProgressMonitor monitor, File dir) {
+ if (!dir.exists())
+ dir.mkdirs();
+
+ if (!dir.isDirectory()) {
+ MessageDialog.openError(null, "Download to local file system",
+ "Invalid directory location: \"" + dir + "\"");
+ return;
+ }
+
+ File dfsPath = new File(this.getPath().toString());
+ File destination = new File(dir, dfsPath.getName());
+
+ if (!destination.exists()) {
+ if (!destination.mkdir()) {
+ MessageDialog.openError(null, "Download to local directory",
+ "Unable to create directory " + destination.getAbsolutePath());
+ return;
+ }
+ }
+
+ // Download all DfsPath children
+ for (Object childObj : getChildren()) {
+ if (childObj instanceof DFSPath) {
+ ((DFSPath) childObj).downloadToLocalDirectory(monitor, destination);
+ monitor.worked(1);
+ }
+ }
+ }
+
+ /* @inheritDoc */
+ @Override
+ public int computeDownloadWork() {
+ int work = 1;
+ for (DFSContent child : getChildren()) {
+ if (child instanceof DFSPath)
+ work += ((DFSPath) child).computeDownloadWork();
+ }
+
+ return work;
+ }
+
+ /**
+ * Create a new sub directory into this directory
+ *
+ * @param folderName
+ */
+ public void mkdir(String folderName) {
+ try {
+ getDFS().mkdirs(new Path(this.path, folderName));
+ } catch (IOException ioe) {
+ ioe.printStackTrace();
+ }
+ doRefresh();
+ }
+
+ /*
+ * Implementation of DFSContent
+ */
+
+ /* @inheritDoc */
+ public boolean hasChildren() {
+ if (this.children == null)
+ return true;
+ else
+ return (this.children.length > 0);
+ }
+
+ /* @inheritDoc */
+ public DFSContent[] getChildren() {
+ if (children == null) {
+ new Job("Connecting to DFS " + location) {
+ @Override
+ protected IStatus run(IProgressMonitor monitor) {
+ try {
+ loadDFSFolderChildren();
+ return Status.OK_STATUS;
+
+ } catch (IOException ioe) {
+ children =
+ new DFSContent[] { new DFSMessage("Error: "
+ + ioe.getLocalizedMessage()) };
+ return Status.CANCEL_STATUS;
+
+ } finally {
+ // Under all circumstances, update the UI
+ provider.refresh(DFSFolder.this);
+ }
+ }
+ }.schedule();
+
+ return new DFSContent[] { new DFSMessage("Listing folder content...") };
+ }
+ return this.children;
+ }
+
+ /* @inheritDoc */
+ @Override
+ public void refresh() {
+ this.children = null;
+ this.doRefresh();
+ }
+
+ /* @inheritDoc */
+ @Override
+ public String toString() {
+ return String.format("%s (%s)", super.toString(),
+ this.getChildren().length);
+ }
+
+}
http://git-wip-us.apache.org/repos/asf/incubator-hdt/blob/a1719e04/eclipse-plugin/src/java/org/apache/hadoop/eclipse/dfs/DFSLocation.java
----------------------------------------------------------------------
diff --git a/eclipse-plugin/src/java/org/apache/hadoop/eclipse/dfs/DFSLocation.java b/eclipse-plugin/src/java/org/apache/hadoop/eclipse/dfs/DFSLocation.java
new file mode 100644
index 0000000..31c8fb3
--- /dev/null
+++ b/eclipse-plugin/src/java/org/apache/hadoop/eclipse/dfs/DFSLocation.java
@@ -0,0 +1,108 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.eclipse.dfs;
+
+import java.io.IOException;
+
+import org.apache.hadoop.eclipse.server.HadoopServer;
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.core.runtime.Status;
+import org.eclipse.core.runtime.jobs.Job;
+
+/**
+ * DFS Content representation of a HDFS location
+ */
+public class DFSLocation implements DFSContent {
+
+ private final DFSContentProvider provider;
+
+ private final HadoopServer location;
+
+ private DFSContent rootFolder = null;
+
+ DFSLocation(DFSContentProvider provider, HadoopServer server) {
+ this.provider = provider;
+ this.location = server;
+ }
+
+ /* @inheritDoc */
+ @Override
+ public String toString() {
+ return this.location.getLocationName();
+ }
+
+ /*
+ * Implementation of DFSContent
+ */
+
+ /* @inheritDoc */
+ public DFSContent[] getChildren() {
+ if (this.rootFolder == null) {
+ /*
+ * DfsFolder constructor might block as it contacts the NameNode: work
+ * asynchronously here or this will potentially freeze the UI
+ */
+ new Job("Connecting to DFS " + location) {
+ @Override
+ protected IStatus run(IProgressMonitor monitor) {
+ try {
+ rootFolder = new DFSFolder(provider, location);
+ return Status.OK_STATUS;
+
+ } catch (IOException ioe) {
+ rootFolder =
+ new DFSMessage("Error: " + ioe.getLocalizedMessage());
+ return Status.CANCEL_STATUS;
+
+ } finally {
+ // Under all circumstances, update the UI
+ provider.refresh(DFSLocation.this);
+ }
+ }
+ }.schedule();
+
+ return new DFSContent[] { new DFSMessage("Connecting to DFS "
+ + toString()) };
+ }
+ return new DFSContent[] { this.rootFolder };
+ }
+
+ /* @inheritDoc */
+ public boolean hasChildren() {
+ return true;
+ }
+
+ /* @inheritDoc */
+ public void refresh() {
+ this.rootFolder = null;
+ this.provider.refresh(this);
+ }
+
+ /*
+ * Actions
+ */
+
+ /**
+ * Refresh the location using a new connection
+ */
+ public void reconnect() {
+ this.refresh();
+ }
+}
http://git-wip-us.apache.org/repos/asf/incubator-hdt/blob/a1719e04/eclipse-plugin/src/java/org/apache/hadoop/eclipse/dfs/DFSLocationsRoot.java
----------------------------------------------------------------------
diff --git a/eclipse-plugin/src/java/org/apache/hadoop/eclipse/dfs/DFSLocationsRoot.java b/eclipse-plugin/src/java/org/apache/hadoop/eclipse/dfs/DFSLocationsRoot.java
new file mode 100644
index 0000000..9d9a609
--- /dev/null
+++ b/eclipse-plugin/src/java/org/apache/hadoop/eclipse/dfs/DFSLocationsRoot.java
@@ -0,0 +1,150 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.eclipse.dfs;
+
+import java.io.IOException;
+import java.util.HashMap;
+import java.util.Map;
+
+import org.apache.hadoop.eclipse.server.HadoopServer;
+import org.apache.hadoop.eclipse.servers.IHadoopServerListener;
+import org.apache.hadoop.eclipse.servers.ServerRegistry;
+import org.apache.hadoop.fs.FileSystem;
+
+/**
+ * Representation of the root element containing all DFS servers. This
+ * content registers an observer on Hadoop servers so as to update itself
+ * when servers are updated.
+ */
+public class DFSLocationsRoot implements DFSContent, IHadoopServerListener {
+
+ /**
+ *
+ */
+ private final DFSContentProvider provider;
+
+ private Map<HadoopServer, DFSLocation> map =
+ new HashMap<HadoopServer, DFSLocation>();
+
+ /**
+ * Register a listeners to track DFS locations updates
+ *
+ * @param provider the content provider this content is the root of
+ */
+ DFSLocationsRoot(DFSContentProvider provider) {
+ this.provider = provider;
+ ServerRegistry.getInstance().addListener(this);
+ this.refresh();
+ }
+
+ /*
+ * Implementation of IHadoopServerListener
+ */
+
+ /* @inheritDoc */
+ public synchronized void serverChanged(final HadoopServer location,
+ final int type) {
+
+ switch (type) {
+ case ServerRegistry.SERVER_STATE_CHANGED: {
+ this.provider.refresh(map.get(location));
+ break;
+ }
+
+ case ServerRegistry.SERVER_ADDED: {
+ DFSLocation dfsLoc = new DFSLocation(provider, location);
+ map.put(location, dfsLoc);
+ this.provider.refresh(this);
+ break;
+ }
+
+ case ServerRegistry.SERVER_REMOVED: {
+ map.remove(location);
+ this.provider.refresh(this);
+ break;
+ }
+ }
+ }
+
+ /**
+ * Recompute the map of Hadoop locations
+ */
+ private synchronized void reloadLocations() {
+ map.clear();
+ for (HadoopServer location : ServerRegistry.getInstance().getServers())
+ map.put(location, new DFSLocation(provider, location));
+ }
+
+ /* @inheritDoc */
+ @Override
+ public String toString() {
+ return "DFS Locations";
+ }
+
+ /*
+ * Implementation of DFSContent
+ */
+
+ /* @inheritDoc */
+ public synchronized DFSContent[] getChildren() {
+ return this.map.values().toArray(new DFSContent[this.map.size()]);
+ }
+
+ /* @inheritDoc */
+ public boolean hasChildren() {
+ return (this.map.size() > 0);
+ }
+
+ /* @inheritDoc */
+ public void refresh() {
+ reloadLocations();
+ this.provider.refresh(this);
+ }
+
+ /*
+ * Actions
+ */
+
+ public void disconnect() {
+ Thread closeThread = new Thread() {
+ /* @inheritDoc */
+ @Override
+ public void run() {
+ try {
+ System.out.printf("Closing all opened File Systems...\n");
+ FileSystem.closeAll();
+ System.out.printf("File Systems closed\n");
+
+ } catch (IOException ioe) {
+ ioe.printStackTrace();
+ }
+ }
+ };
+
+ // Wait 5 seconds for the connections to be closed
+ closeThread.start();
+ try {
+ closeThread.join(5000);
+
+ } catch (InterruptedException ie) {
+ // Ignore
+ }
+ }
+
+}
http://git-wip-us.apache.org/repos/asf/incubator-hdt/blob/a1719e04/eclipse-plugin/src/java/org/apache/hadoop/eclipse/dfs/DFSMessage.java
----------------------------------------------------------------------
diff --git a/eclipse-plugin/src/java/org/apache/hadoop/eclipse/dfs/DFSMessage.java b/eclipse-plugin/src/java/org/apache/hadoop/eclipse/dfs/DFSMessage.java
new file mode 100644
index 0000000..ce83b9a
--- /dev/null
+++ b/eclipse-plugin/src/java/org/apache/hadoop/eclipse/dfs/DFSMessage.java
@@ -0,0 +1,57 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.eclipse.dfs;
+
+/**
+ * DFS Content that displays a message.
+ */
+class DFSMessage implements DFSContent {
+
+ private String message;
+
+ DFSMessage(String message) {
+ this.message = message;
+ }
+
+ /* @inheritDoc */
+ @Override
+ public String toString() {
+ return this.message;
+ }
+
+ /*
+ * Implementation of DFSContent
+ */
+
+ /* @inheritDoc */
+ public DFSContent[] getChildren() {
+ return null;
+ }
+
+ /* @inheritDoc */
+ public boolean hasChildren() {
+ return false;
+ }
+
+ /* @inheritDoc */
+ public void refresh() {
+ // Nothing to do
+ }
+
+}
http://git-wip-us.apache.org/repos/asf/incubator-hdt/blob/a1719e04/eclipse-plugin/src/java/org/apache/hadoop/eclipse/dfs/DFSPath.java
----------------------------------------------------------------------
diff --git a/eclipse-plugin/src/java/org/apache/hadoop/eclipse/dfs/DFSPath.java b/eclipse-plugin/src/java/org/apache/hadoop/eclipse/dfs/DFSPath.java
new file mode 100644
index 0000000..0abd538
--- /dev/null
+++ b/eclipse-plugin/src/java/org/apache/hadoop/eclipse/dfs/DFSPath.java
@@ -0,0 +1,160 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.eclipse.dfs;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.logging.Logger;
+
+import org.apache.hadoop.hdfs.DistributedFileSystem;
+import org.apache.hadoop.eclipse.ErrorMessageDialog;
+import org.apache.hadoop.eclipse.server.ConfProp;
+import org.apache.hadoop.eclipse.server.HadoopServer;
+import org.apache.hadoop.fs.FileSystem;
+import org.apache.hadoop.fs.Path;
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.jface.dialogs.MessageDialog;
+
+/**
+ * DFS Path handling for DFS
+ */
+public abstract class DFSPath implements DFSContent {
+
+ protected final DFSContentProvider provider;
+
+ protected HadoopServer location;
+
+ private DistributedFileSystem dfs = null;
+
+ protected final Path path;
+
+ protected final DFSPath parent;
+
+ /**
+ * For debugging purpose
+ */
+ static Logger log = Logger.getLogger(DFSPath.class.getName());
+
+ /**
+ * Create a path representation for the given location in the given viewer
+ *
+ * @param location
+ * @param path
+ * @param viewer
+ */
+ public DFSPath(DFSContentProvider provider, HadoopServer location)
+ throws IOException {
+
+ this.provider = provider;
+ this.location = location;
+ this.path = new Path("/");
+ this.parent = null;
+ }
+
+ /**
+ * Create a sub-path representation for the given parent path
+ *
+ * @param parent
+ * @param path
+ */
+ protected DFSPath(DFSPath parent, Path path) {
+ this.provider = parent.provider;
+ this.location = parent.location;
+ this.dfs = parent.dfs;
+ this.parent = parent;
+ this.path = path;
+ }
+
+ protected void dispose() {
+ // Free the DFS connection
+ }
+
+ /* @inheritDoc */
+ @Override
+ public String toString() {
+ if (path.equals("/")) {
+ return location.getConfProp(ConfProp.FS_DEFAULT_URI);
+
+ } else {
+ return this.path.getName();
+ }
+ }
+
+ /**
+ * Does a recursive delete of the remote directory tree at this node.
+ */
+ public void delete() {
+ try {
+ getDFS().delete(this.path, true);
+
+ } catch (IOException e) {
+ e.printStackTrace();
+ MessageDialog.openWarning(null, "Delete file",
+ "Unable to delete file \"" + this.path + "\"\n" + e);
+ }
+ }
+
+ public DFSPath getParent() {
+ return parent;
+ }
+
+ public abstract void refresh();
+
+ /**
+ * Refresh the UI element for this content
+ */
+ public void doRefresh() {
+ provider.refresh(this);
+ }
+
+ /**
+ * Copy the DfsPath to the given local directory
+ *
+ * @param directory the local directory
+ */
+ public abstract void downloadToLocalDirectory(IProgressMonitor monitor,
+ File dir);
+
+ public Path getPath() {
+ return this.path;
+ }
+
+ /**
+ * Gets a connection to the DFS
+ *
+ * @return a connection to the DFS
+ * @throws IOException
+ */
+ DistributedFileSystem getDFS() throws IOException {
+ if (this.dfs == null) {
+ FileSystem fs = location.getDFS();
+ if (!(fs instanceof DistributedFileSystem)) {
+ ErrorMessageDialog.display("DFS Browser",
+ "The DFS Browser cannot browse anything else "
+ + "but a Distributed File System!");
+ throw new IOException("DFS Browser expects a DistributedFileSystem!");
+ }
+ this.dfs = (DistributedFileSystem) fs;
+ }
+ return this.dfs;
+ }
+
+ public abstract int computeDownloadWork();
+
+}
http://git-wip-us.apache.org/repos/asf/incubator-hdt/blob/a1719e04/eclipse-plugin/src/java/org/apache/hadoop/eclipse/launch/HadoopApplicationLaunchShortcut.java
----------------------------------------------------------------------
diff --git a/eclipse-plugin/src/java/org/apache/hadoop/eclipse/launch/HadoopApplicationLaunchShortcut.java b/eclipse-plugin/src/java/org/apache/hadoop/eclipse/launch/HadoopApplicationLaunchShortcut.java
new file mode 100644
index 0000000..1678e0d
--- /dev/null
+++ b/eclipse-plugin/src/java/org/apache/hadoop/eclipse/launch/HadoopApplicationLaunchShortcut.java
@@ -0,0 +1,145 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.eclipse.launch;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.logging.Logger;
+
+import org.apache.hadoop.eclipse.servers.RunOnHadoopWizard;
+import org.eclipse.core.resources.IFile;
+import org.eclipse.core.resources.IResource;
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.debug.core.ILaunchConfiguration;
+import org.eclipse.debug.core.ILaunchConfigurationType;
+import org.eclipse.debug.core.ILaunchConfigurationWorkingCopy;
+import org.eclipse.jdt.core.IJavaProject;
+import org.eclipse.jdt.core.IType;
+import org.eclipse.jdt.core.JavaCore;
+import org.eclipse.jdt.debug.ui.launchConfigurations.JavaApplicationLaunchShortcut;
+import org.eclipse.jdt.launching.IJavaLaunchConfigurationConstants;
+import org.eclipse.jdt.launching.IRuntimeClasspathEntry;
+import org.eclipse.jdt.launching.JavaRuntime;
+import org.eclipse.jface.wizard.IWizard;
+import org.eclipse.jface.wizard.WizardDialog;
+import org.eclipse.swt.widgets.Display;
+import org.eclipse.swt.widgets.Shell;
+
+/**
+ * Add a shortcut "Run on Hadoop" to the Run menu
+ */
+
+public class HadoopApplicationLaunchShortcut extends
+ JavaApplicationLaunchShortcut {
+
+ static Logger log =
+ Logger.getLogger(HadoopApplicationLaunchShortcut.class.getName());
+
+ // private ActionDelegate delegate = new RunOnHadoopActionDelegate();
+
+ public HadoopApplicationLaunchShortcut() {
+ }
+
+ /* @inheritDoc */
+ @Override
+ protected ILaunchConfiguration findLaunchConfiguration(IType type,
+ ILaunchConfigurationType configType) {
+
+ // Find an existing or create a launch configuration (Standard way)
+ ILaunchConfiguration iConf =
+ super.findLaunchConfiguration(type, configType);
+ if (iConf == null) iConf = super.createConfiguration(type);
+ ILaunchConfigurationWorkingCopy iConfWC;
+ try {
+ /*
+ * Tune the default launch configuration: setup run-time classpath
+ * manually
+ */
+ iConfWC = iConf.getWorkingCopy();
+
+ iConfWC.setAttribute(
+ IJavaLaunchConfigurationConstants.ATTR_DEFAULT_CLASSPATH, false);
+
+ List<String> classPath = new ArrayList<String>();
+ IResource resource = type.getResource();
+ IJavaProject project =
+ (IJavaProject) resource.getProject().getNature(JavaCore.NATURE_ID);
+ IRuntimeClasspathEntry cpEntry =
+ JavaRuntime.newDefaultProjectClasspathEntry(project);
+ classPath.add(0, cpEntry.getMemento());
+
+ iConfWC.setAttribute(IJavaLaunchConfigurationConstants.ATTR_CLASSPATH,
+ classPath);
+
+ } catch (CoreException e) {
+ e.printStackTrace();
+ // FIXME Error dialog
+ return null;
+ }
+
+ /*
+ * Update the selected configuration with a specific Hadoop location
+ * target
+ */
+ IResource resource = type.getResource();
+ if (!(resource instanceof IFile))
+ return null;
+ RunOnHadoopWizard wizard =
+ new RunOnHadoopWizard((IFile) resource, iConfWC);
+ WizardDialog dialog =
+ new WizardDialog(Display.getDefault().getActiveShell(), wizard);
+
+ dialog.create();
+ dialog.setBlockOnOpen(true);
+ if (dialog.open() != WizardDialog.OK)
+ return null;
+
+ try {
+
+ // Only save if some configuration is different.
+ if(!iConfWC.contentsEqual(iConf))
+ iConfWC.doSave();
+
+ } catch (CoreException e) {
+ e.printStackTrace();
+ // FIXME Error dialog
+ return null;
+ }
+
+ return iConfWC;
+ }
+
+ /**
+ * Was used to run the RunOnHadoopWizard inside and provide it a
+ * ProgressMonitor
+ */
+ static class Dialog extends WizardDialog {
+ public Dialog(Shell parentShell, IWizard newWizard) {
+ super(parentShell, newWizard);
+ }
+
+ @Override
+ public void create() {
+ super.create();
+
+ ((RunOnHadoopWizard) getWizard())
+ .setProgressMonitor(getProgressMonitor());
+ }
+ }
+}
http://git-wip-us.apache.org/repos/asf/incubator-hdt/blob/a1719e04/eclipse-plugin/src/java/org/apache/hadoop/eclipse/launch/LocalMapReduceLaunchTabGroup.java
----------------------------------------------------------------------
diff --git a/eclipse-plugin/src/java/org/apache/hadoop/eclipse/launch/LocalMapReduceLaunchTabGroup.java b/eclipse-plugin/src/java/org/apache/hadoop/eclipse/launch/LocalMapReduceLaunchTabGroup.java
new file mode 100644
index 0000000..66db5d2
--- /dev/null
+++ b/eclipse-plugin/src/java/org/apache/hadoop/eclipse/launch/LocalMapReduceLaunchTabGroup.java
@@ -0,0 +1,182 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.eclipse.launch;
+
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.debug.core.ILaunchConfiguration;
+import org.eclipse.debug.core.ILaunchConfigurationWorkingCopy;
+import org.eclipse.debug.ui.AbstractLaunchConfigurationTab;
+import org.eclipse.debug.ui.AbstractLaunchConfigurationTabGroup;
+import org.eclipse.debug.ui.CommonTab;
+import org.eclipse.debug.ui.ILaunchConfigurationDialog;
+import org.eclipse.debug.ui.ILaunchConfigurationTab;
+import org.eclipse.jdt.core.IType;
+import org.eclipse.jdt.core.JavaModelException;
+import org.eclipse.jdt.core.dom.AST;
+import org.eclipse.jdt.core.search.SearchEngine;
+import org.eclipse.jdt.debug.ui.launchConfigurations.JavaArgumentsTab;
+import org.eclipse.jdt.debug.ui.launchConfigurations.JavaClasspathTab;
+import org.eclipse.jdt.debug.ui.launchConfigurations.JavaJRETab;
+import org.eclipse.jdt.ui.IJavaElementSearchConstants;
+import org.eclipse.jdt.ui.JavaUI;
+import org.eclipse.jface.dialogs.ProgressMonitorDialog;
+import org.eclipse.jface.window.Window;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.layout.GridLayout;
+import org.eclipse.swt.widgets.Button;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Event;
+import org.eclipse.swt.widgets.Label;
+import org.eclipse.swt.widgets.Listener;
+import org.eclipse.swt.widgets.Text;
+import org.eclipse.ui.dialogs.SelectionDialog;
+
+/**
+ *
+ * Handler for Local MapReduce job launches
+ *
+ * TODO(jz) this may not be needed as we almost always deploy to a remote server
+ * and not locally, where we do do it locally we may just be able to exec
+ * scripts without going to java
+ *
+ */
+public class LocalMapReduceLaunchTabGroup extends
+ AbstractLaunchConfigurationTabGroup {
+
+ public LocalMapReduceLaunchTabGroup() {
+ // TODO Auto-generated constructor stub
+ }
+
+ public void createTabs(ILaunchConfigurationDialog dialog, String mode) {
+ setTabs(new ILaunchConfigurationTab[] { new MapReduceLaunchTab(),
+ new JavaArgumentsTab(), new JavaJRETab(), new JavaClasspathTab(),
+ new CommonTab() });
+ }
+
+ public static class MapReduceLaunchTab extends AbstractLaunchConfigurationTab {
+ private Text combinerClass;
+
+ private Text reducerClass;
+
+ private Text mapperClass;
+
+ @Override
+ public boolean canSave() {
+ return true;
+ }
+
+ @Override
+ public boolean isValid(ILaunchConfiguration launchConfig) {
+ // todo: only if all classes are of proper types
+ return true;
+ }
+
+ public void createControl(final Composite parent) {
+ Composite panel = new Composite(parent, SWT.NONE);
+ GridLayout layout = new GridLayout(3, false);
+ panel.setLayout(layout);
+
+ Label mapperLabel = new Label(panel, SWT.NONE);
+ mapperLabel.setText("Mapper");
+ mapperClass = new Text(panel, SWT.SINGLE | SWT.BORDER);
+ createRow(parent, panel, mapperClass);
+
+ Label reducerLabel = new Label(panel, SWT.NONE);
+ reducerLabel.setText("Reducer");
+ reducerClass = new Text(panel, SWT.SINGLE | SWT.BORDER);
+ createRow(parent, panel, reducerClass);
+
+ Label combinerLabel = new Label(panel, SWT.NONE);
+ combinerLabel.setText("Combiner");
+ combinerClass = new Text(panel, SWT.SINGLE | SWT.BORDER);
+ createRow(parent, panel, combinerClass);
+
+ panel.pack();
+ setControl(panel);
+ }
+
+ private void createRow(final Composite parent, Composite panel,
+ final Text text) {
+ text.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
+ Button button = new Button(panel, SWT.BORDER);
+ button.setText("Browse...");
+ button.addListener(SWT.Selection, new Listener() {
+ public void handleEvent(Event arg0) {
+ try {
+ AST ast = AST.newAST(3);
+
+ SelectionDialog dialog = JavaUI.createTypeDialog(parent.getShell(),
+ new ProgressMonitorDialog(parent.getShell()), SearchEngine
+ .createWorkspaceScope(),
+ IJavaElementSearchConstants.CONSIDER_CLASSES, false);
+ dialog.setMessage("Select Mapper type (implementing )");
+ dialog.setBlockOnOpen(true);
+ dialog.setTitle("Select Mapper Type");
+ dialog.open();
+
+ if ((dialog.getReturnCode() == Window.OK)
+ && (dialog.getResult().length > 0)) {
+ IType type = (IType) dialog.getResult()[0];
+ text.setText(type.getFullyQualifiedName());
+ setDirty(true);
+ }
+ } catch (JavaModelException e) {
+ // TODO Auto-generated catch block
+ e.printStackTrace();
+ }
+ }
+ });
+ }
+
+ public String getName() {
+ return "Hadoop";
+ }
+
+ public void initializeFrom(ILaunchConfiguration configuration) {
+ try {
+ mapperClass.setText(configuration.getAttribute(
+ "org.apache.hadoop.eclipse.launch.mapper", ""));
+ reducerClass.setText(configuration.getAttribute(
+ "org.apache.hadoop.eclipse.launch.reducer", ""));
+ combinerClass.setText(configuration.getAttribute(
+ "org.apache.hadoop.eclipse.launch.combiner", ""));
+ } catch (CoreException e) {
+ // TODO Auto-generated catch block
+ e.printStackTrace();
+ setErrorMessage(e.getMessage());
+ }
+ }
+
+ public void performApply(ILaunchConfigurationWorkingCopy configuration) {
+ configuration.setAttribute("org.apache.hadoop.eclipse.launch.mapper",
+ mapperClass.getText());
+ configuration.setAttribute(
+ "org.apache.hadoop.eclipse.launch.reducer", reducerClass
+ .getText());
+ configuration.setAttribute(
+ "org.apache.hadoop.eclipse.launch.combiner", combinerClass
+ .getText());
+ }
+
+ public void setDefaults(ILaunchConfigurationWorkingCopy configuration) {
+
+ }
+ }
+}
http://git-wip-us.apache.org/repos/asf/incubator-hdt/blob/a1719e04/eclipse-plugin/src/java/org/apache/hadoop/eclipse/launch/MutexRule.java
----------------------------------------------------------------------
diff --git a/eclipse-plugin/src/java/org/apache/hadoop/eclipse/launch/MutexRule.java b/eclipse-plugin/src/java/org/apache/hadoop/eclipse/launch/MutexRule.java
new file mode 100644
index 0000000..46df449
--- /dev/null
+++ b/eclipse-plugin/src/java/org/apache/hadoop/eclipse/launch/MutexRule.java
@@ -0,0 +1,37 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.eclipse.launch;
+
+import org.eclipse.core.runtime.jobs.ISchedulingRule;
+
+public class MutexRule implements ISchedulingRule {
+ private final String id;
+
+ public MutexRule(String id) {
+ this.id = id;
+ }
+
+ public boolean contains(ISchedulingRule rule) {
+ return (rule instanceof MutexRule) && ((MutexRule) rule).id.equals(id);
+ }
+
+ public boolean isConflicting(ISchedulingRule rule) {
+ return (rule instanceof MutexRule) && ((MutexRule) rule).id.equals(id);
+ }
+}
http://git-wip-us.apache.org/repos/asf/incubator-hdt/blob/a1719e04/eclipse-plugin/src/java/org/apache/hadoop/eclipse/launch/StartHadoopLaunchTabGroup.java
----------------------------------------------------------------------
diff --git a/eclipse-plugin/src/java/org/apache/hadoop/eclipse/launch/StartHadoopLaunchTabGroup.java b/eclipse-plugin/src/java/org/apache/hadoop/eclipse/launch/StartHadoopLaunchTabGroup.java
new file mode 100644
index 0000000..047ba17
--- /dev/null
+++ b/eclipse-plugin/src/java/org/apache/hadoop/eclipse/launch/StartHadoopLaunchTabGroup.java
@@ -0,0 +1,47 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.eclipse.launch;
+
+import org.eclipse.debug.ui.AbstractLaunchConfigurationTabGroup;
+import org.eclipse.debug.ui.CommonTab;
+import org.eclipse.debug.ui.ILaunchConfigurationDialog;
+import org.eclipse.debug.ui.ILaunchConfigurationTab;
+import org.eclipse.jdt.debug.ui.launchConfigurations.JavaArgumentsTab;
+import org.eclipse.jdt.debug.ui.launchConfigurations.JavaClasspathTab;
+import org.eclipse.jdt.debug.ui.launchConfigurations.JavaJRETab;
+
+/**
+ * Create the tab group for the dialog window for starting a Hadoop job.
+ */
+
+public class StartHadoopLaunchTabGroup extends
+ AbstractLaunchConfigurationTabGroup {
+
+ public StartHadoopLaunchTabGroup() {
+ // TODO Auto-generated constructor stub
+ }
+
+ /**
+ * TODO(jz) consider the appropriate tabs for this case
+ */
+ public void createTabs(ILaunchConfigurationDialog dialog, String mode) {
+ setTabs(new ILaunchConfigurationTab[] { new JavaArgumentsTab(),
+ new JavaJRETab(), new JavaClasspathTab(), new CommonTab() });
+ }
+}
http://git-wip-us.apache.org/repos/asf/incubator-hdt/blob/a1719e04/eclipse-plugin/src/java/org/apache/hadoop/eclipse/preferences/MapReducePreferencePage.java
----------------------------------------------------------------------
diff --git a/eclipse-plugin/src/java/org/apache/hadoop/eclipse/preferences/MapReducePreferencePage.java b/eclipse-plugin/src/java/org/apache/hadoop/eclipse/preferences/MapReducePreferencePage.java
new file mode 100644
index 0000000..cef50a3
--- /dev/null
+++ b/eclipse-plugin/src/java/org/apache/hadoop/eclipse/preferences/MapReducePreferencePage.java
@@ -0,0 +1,64 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.hadoop.eclipse.preferences;
+
+import org.apache.hadoop.eclipse.Activator;
+import org.eclipse.jface.preference.DirectoryFieldEditor;
+import org.eclipse.jface.preference.FieldEditorPreferencePage;
+import org.eclipse.ui.IWorkbench;
+import org.eclipse.ui.IWorkbenchPreferencePage;
+
+/**
+ * This class represents a preference page that is contributed to the
+ * Preferences dialog. By sub-classing <tt>FieldEditorPreferencePage</tt>,
+ * we can use the field support built into JFace that allows us to create a
+ * page that is small and knows how to save, restore and apply itself.
+ *
+ * <p>
+ * This page is used to modify preferences only. They are stored in the
+ * preference store that belongs to the main plug-in class. That way,
+ * preferences can be accessed directly via the preference store.
+ */
+
+public class MapReducePreferencePage extends FieldEditorPreferencePage
+ implements IWorkbenchPreferencePage {
+
+ public MapReducePreferencePage() {
+ super(GRID);
+ setPreferenceStore(Activator.getDefault().getPreferenceStore());
+ setTitle("Hadoop Map/Reduce Tools");
+ // setDescription("Hadoop Map/Reduce Preferences");
+ }
+
+ /**
+ * Creates the field editors. Field editors are abstractions of the common
+ * GUI blocks needed to manipulate various types of preferences. Each field
+ * editor knows how to save and restore itself.
+ */
+ @Override
+ public void createFieldEditors() {
+ addField(new DirectoryFieldEditor(PreferenceConstants.P_PATH,
+ "&Hadoop installation directory:", getFieldEditorParent()));
+
+ }
+
+ /* @inheritDoc */
+ public void init(IWorkbench workbench) {
+ }
+
+}
http://git-wip-us.apache.org/repos/asf/incubator-hdt/blob/a1719e04/eclipse-plugin/src/java/org/apache/hadoop/eclipse/preferences/PreferenceConstants.java
----------------------------------------------------------------------
diff --git a/eclipse-plugin/src/java/org/apache/hadoop/eclipse/preferences/PreferenceConstants.java b/eclipse-plugin/src/java/org/apache/hadoop/eclipse/preferences/PreferenceConstants.java
new file mode 100644
index 0000000..74641bb
--- /dev/null
+++ b/eclipse-plugin/src/java/org/apache/hadoop/eclipse/preferences/PreferenceConstants.java
@@ -0,0 +1,34 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.eclipse.preferences;
+
+/**
+ * Constant definitions for plug-in preferences
+ */
+public class PreferenceConstants {
+
+ public static final String P_PATH = "pathPreference";
+
+ // public static final String P_BOOLEAN = "booleanPreference";
+ //
+ // public static final String P_CHOICE = "choicePreference";
+ //
+ // public static final String P_STRING = "stringPreference";
+ //
+}
http://git-wip-us.apache.org/repos/asf/incubator-hdt/blob/a1719e04/eclipse-plugin/src/java/org/apache/hadoop/eclipse/preferences/PreferenceInitializer.java
----------------------------------------------------------------------
diff --git a/eclipse-plugin/src/java/org/apache/hadoop/eclipse/preferences/PreferenceInitializer.java b/eclipse-plugin/src/java/org/apache/hadoop/eclipse/preferences/PreferenceInitializer.java
new file mode 100644
index 0000000..444050a
--- /dev/null
+++ b/eclipse-plugin/src/java/org/apache/hadoop/eclipse/preferences/PreferenceInitializer.java
@@ -0,0 +1,33 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.eclipse.preferences;
+
+import org.eclipse.core.runtime.preferences.AbstractPreferenceInitializer;
+
+/**
+ * Class used to initialize default preference values.
+ */
+public class PreferenceInitializer extends AbstractPreferenceInitializer {
+
+ /* @inheritDoc */
+ @Override
+ public void initializeDefaultPreferences() {
+ }
+
+}
http://git-wip-us.apache.org/repos/asf/incubator-hdt/blob/a1719e04/eclipse-plugin/src/java/org/apache/hadoop/eclipse/server/ConfProp.java
----------------------------------------------------------------------
diff --git a/eclipse-plugin/src/java/org/apache/hadoop/eclipse/server/ConfProp.java b/eclipse-plugin/src/java/org/apache/hadoop/eclipse/server/ConfProp.java
new file mode 100644
index 0000000..efc441b
--- /dev/null
+++ b/eclipse-plugin/src/java/org/apache/hadoop/eclipse/server/ConfProp.java
@@ -0,0 +1,147 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.eclipse.server;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import org.apache.hadoop.conf.Configuration;
+
+public enum ConfProp {
+ /**
+ * Property name for the Hadoop location name
+ */
+ PI_LOCATION_NAME(true, "location.name", "New Hadoop location"),
+
+ /**
+ * Property name for the master host name (the Job tracker)
+ */
+ PI_JOB_TRACKER_HOST(true, "jobtracker.host", "localhost"),
+
+ /**
+ * Property name for the DFS master host name (the Name node)
+ */
+ PI_NAME_NODE_HOST(true, "namenode.host", "localhost"),
+
+ /**
+ * Property name for the installation directory on the master node
+ */
+ // PI_INSTALL_DIR(true, "install.dir", "/dir/hadoop-version/"),
+ /**
+ * User name to use for Hadoop operations
+ */
+ PI_USER_NAME(true, "user.name", System.getProperty("user.name",
+ "who are you?")),
+
+ /**
+ * Property name for SOCKS proxy activation
+ */
+ PI_SOCKS_PROXY_ENABLE(true, "socks.proxy.enable", "no"),
+
+ /**
+ * Property name for the SOCKS proxy host
+ */
+ PI_SOCKS_PROXY_HOST(true, "socks.proxy.host", "host"),
+
+ /**
+ * Property name for the SOCKS proxy port
+ */
+ PI_SOCKS_PROXY_PORT(true, "socks.proxy.port", "1080"),
+
+ /**
+ * TCP port number for the name node
+ */
+ PI_NAME_NODE_PORT(true, "namenode.port", "50040"),
+
+ /**
+ * TCP port number for the job tracker
+ */
+ PI_JOB_TRACKER_PORT(true, "jobtracker.port", "50020"),
+
+ /**
+ * Are the Map/Reduce and the Distributed FS masters hosted on the same
+ * machine?
+ */
+ PI_COLOCATE_MASTERS(true, "masters.colocate", "yes"),
+
+ /**
+ * Property name for naming the job tracker (URI). This property is related
+ * to {@link #PI_MASTER_HOST_NAME}
+ */
+ JOB_TRACKER_URI(false, "mapreduce.jobtracker.address", "localhost:50020"),
+
+ /**
+ * Property name for naming the default file system (URI).
+ */
+ FS_DEFAULT_URI(false, "fs.default.name", "hdfs://localhost:50040/"),
+
+ /**
+ * Property name for the default socket factory:
+ */
+ SOCKET_FACTORY_DEFAULT(false, "hadoop.rpc.socket.factory.class.default",
+ "org.apache.hadoop.net.StandardSocketFactory"),
+
+ /**
+ * Property name for the SOCKS server URI.
+ */
+ SOCKS_SERVER(false, "hadoop.socks.server", "host:1080"),
+
+ ;
+
+ /**
+ * Map <property name> -> ConfProp
+ */
+ private static Map<String, ConfProp> map;
+
+ private static synchronized void registerProperty(String name,
+ ConfProp prop) {
+
+ if (ConfProp.map == null)
+ ConfProp.map = new HashMap<String, ConfProp>();
+
+ ConfProp.map.put(name, prop);
+ }
+
+ public static ConfProp getByName(String propName) {
+ return map.get(propName);
+ }
+
+ public final String name;
+
+ public final String defVal;
+
+ ConfProp(boolean internal, String name, String defVal) {
+ if (internal)
+ name = "eclipse.plug-in." + name;
+ this.name = name;
+ this.defVal = defVal;
+
+ ConfProp.registerProperty(name, this);
+ }
+
+ String get(Configuration conf) {
+ return conf.get(name);
+ }
+
+ void set(Configuration conf, String value) {
+ assert value != null;
+ conf.set(name, value);
+ }
+
+}
http://git-wip-us.apache.org/repos/asf/incubator-hdt/blob/a1719e04/eclipse-plugin/src/java/org/apache/hadoop/eclipse/server/HadoopJob.java
----------------------------------------------------------------------
diff --git a/eclipse-plugin/src/java/org/apache/hadoop/eclipse/server/HadoopJob.java b/eclipse-plugin/src/java/org/apache/hadoop/eclipse/server/HadoopJob.java
new file mode 100644
index 0000000..c24253e
--- /dev/null
+++ b/eclipse-plugin/src/java/org/apache/hadoop/eclipse/server/HadoopJob.java
@@ -0,0 +1,349 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.eclipse.server;
+
+import java.io.File;
+import java.io.IOException;
+
+import org.apache.hadoop.fs.FileSystem;
+import org.apache.hadoop.fs.FileUtil;
+import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.mapred.Counters;
+import org.apache.hadoop.mapred.JobConf;
+import org.apache.hadoop.mapred.JobID;
+import org.apache.hadoop.mapred.JobStatus;
+import org.apache.hadoop.mapred.RunningJob;
+
+/**
+ * Representation of a Map/Reduce running job on a given location
+ */
+
+public class HadoopJob {
+
+ /**
+ * Enum representation of a Job state
+ */
+ public enum JobState {
+ PREPARE(JobStatus.PREP), RUNNING(JobStatus.RUNNING), FAILED(
+ JobStatus.FAILED), SUCCEEDED(JobStatus.SUCCEEDED);
+
+ final int state;
+
+ JobState(int state) {
+ this.state = state;
+ }
+
+ static JobState ofInt(int state) {
+ if (state == JobStatus.PREP) {
+ return PREPARE;
+ }
+ else if (state == JobStatus.RUNNING) {
+ return RUNNING;
+ }
+ else if (state == JobStatus.FAILED) {
+ return FAILED;
+ }
+ else if (state == JobStatus.SUCCEEDED) {
+ return SUCCEEDED;
+ }
+ else {
+ return null;
+ }
+ }
+ }
+
+ /**
+ * Location this Job runs on
+ */
+ private final HadoopServer location;
+
+ /**
+ * Unique identifier of this Job
+ */
+ final JobID jobId;
+
+ /**
+ * Status representation of a running job. This actually contains a
+ * reference to a JobClient. Its methods might block.
+ */
+ RunningJob running;
+
+ /**
+ * Last polled status
+ *
+ * @deprecated should apparently not be used
+ */
+ JobStatus status;
+
+ /**
+ * Last polled counters
+ */
+ Counters counters;
+
+ /**
+ * Job Configuration
+ */
+ JobConf jobConf = null;
+
+ boolean completed = false;
+
+ boolean successful = false;
+
+ boolean killed = false;
+
+ int totalMaps;
+
+ int totalReduces;
+
+ int completedMaps;
+
+ int completedReduces;
+
+ float mapProgress;
+
+ float reduceProgress;
+
+ /**
+ * Constructor for a Hadoop job representation
+ *
+ * @param location
+ * @param id
+ * @param running
+ * @param status
+ */
+ public HadoopJob(HadoopServer location, JobID id, RunningJob running,
+ JobStatus status) {
+
+ this.location = location;
+ this.jobId = id;
+ this.running = running;
+
+ loadJobFile();
+
+ update(status);
+ }
+
+ /**
+ * Try to locate and load the JobConf file for this job so to get more
+ * details on the job (number of maps and of reduces)
+ */
+ private void loadJobFile() {
+ try {
+ String jobFile = getJobFile();
+ FileSystem fs = location.getDFS();
+ File tmp = File.createTempFile(getJobID().toString(), ".xml");
+ if (FileUtil.copy(fs, new Path(jobFile), tmp, false, location
+ .getConfiguration())) {
+ this.jobConf = new JobConf(tmp.toString());
+
+ this.totalMaps = jobConf.getNumMapTasks();
+ this.totalReduces = jobConf.getNumReduceTasks();
+ }
+
+ } catch (IOException ioe) {
+ ioe.printStackTrace();
+ }
+ }
+
+ /* @inheritDoc */
+ @Override
+ public int hashCode() {
+ final int prime = 31;
+ int result = 1;
+ result = prime * result + ((jobId == null) ? 0 : jobId.hashCode());
+ result = prime * result + ((location == null) ? 0 : location.hashCode());
+ return result;
+ }
+
+ /* @inheritDoc */
+ @Override
+ public boolean equals(Object obj) {
+ if (this == obj)
+ return true;
+ if (obj == null)
+ return false;
+ if (!(obj instanceof HadoopJob))
+ return false;
+ final HadoopJob other = (HadoopJob) obj;
+ if (jobId == null) {
+ if (other.jobId != null)
+ return false;
+ } else if (!jobId.equals(other.jobId))
+ return false;
+ if (location == null) {
+ if (other.location != null)
+ return false;
+ } else if (!location.equals(other.location))
+ return false;
+ return true;
+ }
+
+ /**
+ * Get the running status of the Job (@see {@link JobStatus}).
+ *
+ * @return
+ */
+ public JobState getState() {
+ if (this.completed) {
+ if (this.successful) {
+ return JobState.SUCCEEDED;
+ } else {
+ return JobState.FAILED;
+ }
+ } else {
+ return JobState.RUNNING;
+ }
+ // return JobState.ofInt(this.status.getRunState());
+ }
+
+ /**
+ * @return
+ */
+ public JobID getJobID() {
+ return this.jobId;
+ }
+
+ /**
+ * @return
+ */
+ public HadoopServer getLocation() {
+ return this.location;
+ }
+
+ /**
+ * @return
+ */
+ public boolean isCompleted() {
+ return this.completed;
+ }
+
+ /**
+ * @return
+ */
+ public String getJobName() {
+ return this.running.getJobName();
+ }
+
+ /**
+ * @return
+ */
+ public String getJobFile() {
+ return this.running.getJobFile();
+ }
+
+ /**
+ * Return the tracking URL for this Job.
+ *
+ * @return string representation of the tracking URL for this Job
+ */
+ public String getTrackingURL() {
+ return this.running.getTrackingURL();
+ }
+
+ /**
+ * Returns a string representation of this job status
+ *
+ * @return string representation of this job status
+ */
+ public String getStatus() {
+
+ StringBuffer s = new StringBuffer();
+
+ s.append("Maps : " + completedMaps + "/" + totalMaps);
+ s.append(" (" + mapProgress + ")");
+ s.append(" Reduces : " + completedReduces + "/" + totalReduces);
+ s.append(" (" + reduceProgress + ")");
+
+ return s.toString();
+ }
+
+ /**
+ * Update this job status according to the given JobStatus
+ *
+ * @param status
+ */
+ void update(JobStatus status) {
+ this.status = status;
+ try {
+ this.counters = running.getCounters();
+ this.completed = running.isComplete();
+ this.successful = running.isSuccessful();
+ this.mapProgress = running.mapProgress();
+ this.reduceProgress = running.reduceProgress();
+ // running.getTaskCompletionEvents(fromEvent);
+
+ } catch (IOException ioe) {
+ ioe.printStackTrace();
+ }
+
+ this.completedMaps = (int) (this.totalMaps * this.mapProgress);
+ this.completedReduces = (int) (this.totalReduces * this.reduceProgress);
+ }
+
+ /**
+ * Print this job counters (for debugging purpose)
+ */
+ void printCounters() {
+ System.out.printf("New Job:\n", counters);
+ for (String groupName : counters.getGroupNames()) {
+ Counters.Group group = counters.getGroup(groupName);
+ System.out.printf("\t%s[%s]\n", groupName, group.getDisplayName());
+
+ for (Counters.Counter counter : group) {
+ System.out.printf("\t\t%s: %s\n", counter.getDisplayName(),
+ counter.getCounter());
+ }
+ }
+ System.out.printf("\n");
+ }
+
+ /**
+ * Kill this job
+ */
+ public void kill() {
+ try {
+ this.running.killJob();
+ this.killed = true;
+
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+ }
+
+ /**
+ * Print this job status (for debugging purpose)
+ */
+ public void display() {
+ System.out.printf("Job id=%s, name=%s\n", getJobID(), getJobName());
+ System.out.printf("Configuration file: %s\n", getJobID());
+ System.out.printf("Tracking URL: %s\n", getTrackingURL());
+
+ System.out.printf("Completion: map: %f reduce %f\n",
+ 100.0 * this.mapProgress, 100.0 * this.reduceProgress);
+
+ System.out.println("Job total maps = " + totalMaps);
+ System.out.println("Job completed maps = " + completedMaps);
+ System.out.println("Map percentage complete = " + mapProgress);
+ System.out.println("Job total reduces = " + totalReduces);
+ System.out.println("Job completed reduces = " + completedReduces);
+ System.out.println("Reduce percentage complete = " + reduceProgress);
+ System.out.flush();
+ }
+
+}
http://git-wip-us.apache.org/repos/asf/incubator-hdt/blob/a1719e04/eclipse-plugin/src/java/org/apache/hadoop/eclipse/server/HadoopPathPage.java
----------------------------------------------------------------------
diff --git a/eclipse-plugin/src/java/org/apache/hadoop/eclipse/server/HadoopPathPage.java b/eclipse-plugin/src/java/org/apache/hadoop/eclipse/server/HadoopPathPage.java
new file mode 100644
index 0000000..cf58b9c
--- /dev/null
+++ b/eclipse-plugin/src/java/org/apache/hadoop/eclipse/server/HadoopPathPage.java
@@ -0,0 +1,124 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.eclipse.server;
+
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.swt.graphics.Image;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.ui.IEditorInput;
+import org.eclipse.ui.IEditorPart;
+import org.eclipse.ui.IEditorSite;
+import org.eclipse.ui.IPropertyListener;
+import org.eclipse.ui.IWorkbenchPartSite;
+import org.eclipse.ui.PartInitException;
+
+public class HadoopPathPage implements IEditorPart {
+
+ public IEditorInput getEditorInput() {
+ // TODO Auto-generated method stub
+ return null;
+ }
+
+ public IEditorSite getEditorSite() {
+ // TODO Auto-generated method stub
+ return null;
+ }
+
+ public void init(IEditorSite site, IEditorInput input)
+ throws PartInitException {
+ // TODO Auto-generated method stub
+
+ }
+
+ public void addPropertyListener(IPropertyListener listener) {
+ // TODO Auto-generated method stub
+
+ }
+
+ public void createPartControl(Composite parent) {
+ // TODO Auto-generated method stub
+
+ }
+
+ public void dispose() {
+ // TODO Auto-generated method stub
+
+ }
+
+ public IWorkbenchPartSite getSite() {
+ // TODO Auto-generated method stub
+ return null;
+ }
+
+ public String getTitle() {
+ // TODO Auto-generated method stub
+ return null;
+ }
+
+ public Image getTitleImage() {
+ // TODO Auto-generated method stub
+ return null;
+ }
+
+ public String getTitleToolTip() {
+ // TODO Auto-generated method stub
+ return null;
+ }
+
+ public void removePropertyListener(IPropertyListener listener) {
+ // TODO Auto-generated method stub
+
+ }
+
+ public void setFocus() {
+ // TODO Auto-generated method stub
+
+ }
+
+ public Object getAdapter(Class adapter) {
+ // TODO Auto-generated method stub
+ return null;
+ }
+
+ public void doSave(IProgressMonitor monitor) {
+ // TODO Auto-generated method stub
+
+ }
+
+ public void doSaveAs() {
+ // TODO Auto-generated method stub
+
+ }
+
+ public boolean isDirty() {
+ // TODO Auto-generated method stub
+ return false;
+ }
+
+ public boolean isSaveAsAllowed() {
+ // TODO Auto-generated method stub
+ return false;
+ }
+
+ public boolean isSaveOnCloseNeeded() {
+ // TODO Auto-generated method stub
+ return false;
+ }
+
+}