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Posted to java-dev@axis.apache.org by ga...@apache.org on 2008/10/13 20:52:25 UTC
svn commit: r704201 - in
/webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2:
classloader/ deployment/ deployment/util/
Author: gawor
Date: Mon Oct 13 11:52:25 2008
New Revision: 704201
URL: http://svn.apache.org/viewvc?rev=704201&view=rev
Log:
use JarFileClassLoader on Windows to prevent file locking - patch from Tim McConnell (AXIS2-4072)
Added:
webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/AbstractResourceHandle.java (with props)
webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/AbstractUrlResourceLocation.java (with props)
webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/DirectoryResourceHandle.java (with props)
webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/DirectoryResourceLocation.java (with props)
webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/IoUtil.java (with props)
webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/JarFileClassLoader.java (with props)
webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/JarResourceHandle.java (with props)
webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/JarResourceLocation.java (with props)
webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/ResourceEnumeration.java (with props)
webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/ResourceFinder.java (with props)
webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/ResourceHandle.java (with props)
webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/ResourceLocation.java (with props)
webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/UrlResourceFinder.java (with props)
Modified:
webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/MultiParentClassLoader.java
webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/deployment/DeploymentEngine.java
webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/deployment/util/Utils.java
Added: webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/AbstractResourceHandle.java
URL: http://svn.apache.org/viewvc/webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/AbstractResourceHandle.java?rev=704201&view=auto
==============================================================================
--- webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/AbstractResourceHandle.java (added)
+++ webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/AbstractResourceHandle.java Mon Oct 13 11:52:25 2008
@@ -0,0 +1,63 @@
+/**
+ * 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.axis2.classloader;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.security.cert.Certificate;
+import java.util.jar.Attributes;
+import java.util.jar.Manifest;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public abstract class AbstractResourceHandle implements ResourceHandle {
+ public byte[] getBytes() throws IOException {
+ InputStream in = getInputStream();
+ try {
+ byte[] bytes = IoUtil.getBytes(in);
+ return bytes;
+ } finally {
+ IoUtil.close(in);
+ }
+ }
+
+ public Manifest getManifest() throws IOException {
+ return null;
+ }
+
+ public Certificate[] getCertificates() {
+ return null;
+ }
+
+ public Attributes getAttributes() throws IOException {
+ Manifest m = getManifest();
+ if (m == null) {
+ return null;
+ }
+
+ String entry = getUrl().getFile();
+ return m.getAttributes(entry);
+ }
+
+ public void close() {
+ }
+
+ public String toString() {
+ return "[" + getName() + ": " + getUrl() + "; code source: " + getCodeSourceUrl() + "]";
+ }
+}
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Added: webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/AbstractUrlResourceLocation.java
URL: http://svn.apache.org/viewvc/webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/AbstractUrlResourceLocation.java?rev=704201&view=auto
==============================================================================
--- webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/AbstractUrlResourceLocation.java (added)
+++ webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/AbstractUrlResourceLocation.java Mon Oct 13 11:52:25 2008
@@ -0,0 +1,53 @@
+/**
+ * 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.axis2.classloader;
+
+import java.net.URL;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public abstract class AbstractUrlResourceLocation implements ResourceLocation {
+ private final URL codeSource;
+
+ public AbstractUrlResourceLocation(URL codeSource) {
+ this.codeSource = codeSource;
+ }
+
+ public final URL getCodeSource() {
+ return codeSource;
+ }
+
+ public void close() {
+ }
+
+ public final boolean equals(Object o) {
+ if (this == o) return true;
+ if (o == null || getClass() != o.getClass()) return false;
+
+ AbstractUrlResourceLocation that = (AbstractUrlResourceLocation) o;
+ return codeSource.equals(that.codeSource);
+ }
+
+ public final int hashCode() {
+ return codeSource.hashCode();
+ }
+
+ public final String toString() {
+ return "[" + getClass().getName() + ": " + codeSource + "]";
+ }
+}
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Added: webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/DirectoryResourceHandle.java
URL: http://svn.apache.org/viewvc/webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/DirectoryResourceHandle.java?rev=704201&view=auto
==============================================================================
--- webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/DirectoryResourceHandle.java (added)
+++ webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/DirectoryResourceHandle.java Mon Oct 13 11:52:25 2008
@@ -0,0 +1,97 @@
+/**
+ * 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.axis2.classloader;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.File;
+import java.io.FileInputStream;
+import java.net.URL;
+import java.net.MalformedURLException;
+import java.security.cert.Certificate;
+import java.util.jar.Attributes;
+import java.util.jar.Manifest;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class DirectoryResourceHandle extends AbstractResourceHandle {
+ private final String name;
+ private final File file;
+ private final Manifest manifest;
+ private final URL url;
+ private final URL codeSource;
+
+ public DirectoryResourceHandle(String name, File file, File codeSource, Manifest manifest) throws MalformedURLException {
+ this.name = name;
+ this.file = file;
+ this.codeSource = codeSource.toURL();
+ this.manifest = manifest;
+ url = file.toURL();
+ }
+
+ public String getName() {
+ return name;
+ }
+
+ public URL getUrl() {
+ return url;
+ }
+
+ public URL getCodeSourceUrl() {
+ return codeSource;
+ }
+
+ public boolean isDirectory() {
+ return file.isDirectory();
+ }
+
+ public InputStream getInputStream() throws IOException {
+ if (file.isDirectory()) {
+ return new IoUtil.EmptyInputStream();
+ }
+ return new FileInputStream(file);
+ }
+
+ public int getContentLength() {
+ if (file.isDirectory() || file.length() > Integer.MAX_VALUE) {
+ return -1;
+ } else {
+ return (int) file.length();
+ }
+ }
+
+ public Manifest getManifest() throws IOException {
+ return manifest;
+ }
+
+ public Attributes getAttributes() throws IOException {
+ if (manifest == null) {
+ return null;
+ }
+ return manifest.getAttributes(getName());
+ }
+
+ /**
+ * Always return null. This could be implementd by verifing the signatures
+ * in the manifest file against the actual file, but we don't need this right now.
+ * @return null
+ */
+ public Certificate[] getCertificates() {
+ return null;
+ }
+}
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Added: webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/DirectoryResourceLocation.java
URL: http://svn.apache.org/viewvc/webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/DirectoryResourceLocation.java?rev=704201&view=auto
==============================================================================
--- webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/DirectoryResourceLocation.java (added)
+++ webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/DirectoryResourceLocation.java Mon Oct 13 11:52:25 2008
@@ -0,0 +1,79 @@
+/**
+ * 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.axis2.classloader;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.net.MalformedURLException;
+import java.util.jar.Manifest;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class DirectoryResourceLocation extends AbstractUrlResourceLocation {
+ private final File baseDir;
+ private boolean manifestLoaded = false;
+ private Manifest manifest;
+
+ public DirectoryResourceLocation(File baseDir) throws MalformedURLException {
+ super(baseDir.toURL());
+ this.baseDir = baseDir;
+ }
+
+ public ResourceHandle getResourceHandle(String resourceName) {
+ File file = new File(baseDir, resourceName);
+ if (!file.exists()) {
+ return null;
+ }
+
+ try {
+ ResourceHandle resourceHandle = new DirectoryResourceHandle(resourceName, file, baseDir, getManifestSafe());
+ return resourceHandle;
+ } catch (MalformedURLException e) {
+ return null;
+ }
+ }
+
+ public Manifest getManifest() throws IOException {
+ if (!manifestLoaded) {
+ File manifestFile = new File(baseDir, "META-INF/MANIFEST.MF");
+
+ if (manifestFile.isFile() && manifestFile.canRead()) {
+ FileInputStream in = null;
+ try {
+ in = new FileInputStream(manifestFile);
+ manifest = new Manifest(in);
+ } finally {
+ IoUtil.close(in);
+ }
+ }
+ manifestLoaded = true;
+ }
+ return manifest;
+ }
+
+ private Manifest getManifestSafe() {
+ Manifest manifest = null;
+ try {
+ manifest = getManifest();
+ } catch (IOException e) {
+ // ignore
+ }
+ return manifest;
+ }
+}
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Added: webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/IoUtil.java
URL: http://svn.apache.org/viewvc/webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/IoUtil.java?rev=704201&view=auto
==============================================================================
--- webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/IoUtil.java (added)
+++ webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/IoUtil.java Mon Oct 13 11:52:25 2008
@@ -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.axis2.classloader;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.io.Reader;
+import java.io.Writer;
+import java.util.jar.JarFile;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public final class IoUtil {
+ private IoUtil() {
+ }
+
+ public static byte[] getBytes(InputStream inputStream) throws IOException {
+ try {
+ byte[] buffer = new byte[4096];
+ ByteArrayOutputStream out = new ByteArrayOutputStream();
+ for (int count = inputStream.read(buffer); count >= 0; count = inputStream.read(buffer)) {
+ out.write(buffer, 0, count);
+ }
+ byte[] bytes = out.toByteArray();
+ return bytes;
+ } finally {
+ close(inputStream);
+ }
+ }
+
+ public static void flush(OutputStream thing) {
+ if (thing != null) {
+ try {
+ thing.flush();
+ } catch(Exception ignored) {
+ }
+ }
+ }
+
+ public static void flush(Writer thing) {
+ if (thing != null) {
+ try {
+ thing.flush();
+ } catch(Exception ignored) {
+ }
+ }
+ }
+
+ public static void close(JarFile thing) {
+ if (thing != null) {
+ try {
+ thing.close();
+ } catch(Exception ignored) {
+ }
+ }
+ }
+
+ public static void close(InputStream thing) {
+ if (thing != null) {
+ try {
+ thing.close();
+ } catch(Exception ignored) {
+ }
+ }
+ }
+
+ public static void close(OutputStream thing) {
+ if (thing != null) {
+ try {
+ thing.close();
+ } catch(Exception ignored) {
+ }
+ }
+ }
+
+ public static void close(Reader thing) {
+ if (thing != null) {
+ try {
+ thing.close();
+ } catch(Exception ignored) {
+ }
+ }
+ }
+
+ public static void close(Writer thing) {
+ if (thing != null) {
+ try {
+ thing.close();
+ } catch(Exception ignored) {
+ }
+ }
+ }
+
+ public static final class EmptyInputStream extends InputStream {
+ public int read() {
+ return -1;
+ }
+
+ public int read(byte b[]) {
+ return -1;
+ }
+
+ public int read(byte b[], int off, int len) {
+ return -1;
+ }
+
+ public long skip(long n) {
+ return 0;
+ }
+
+ public int available() {
+ return 0;
+ }
+
+ public void close() {
+ }
+
+ public synchronized void mark(int readlimit) {
+ }
+
+ public synchronized void reset() {
+ }
+
+ public boolean markSupported() {
+ return false;
+ }
+ }
+}
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Added: webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/JarFileClassLoader.java
URL: http://svn.apache.org/viewvc/webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/JarFileClassLoader.java?rev=704201&view=auto
==============================================================================
--- webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/JarFileClassLoader.java (added)
+++ webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/JarFileClassLoader.java Mon Oct 13 11:52:25 2008
@@ -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.axis2.classloader;
+
+import java.io.IOException;
+import java.io.File;
+import java.net.URL;
+import java.net.URI;
+import java.net.URLClassLoader;
+import java.security.AccessControlContext;
+import java.security.AccessController;
+import java.security.CodeSource;
+import java.security.PrivilegedAction;
+import java.security.PrivilegedExceptionAction;
+import java.security.PrivilegedActionException;
+import java.security.cert.Certificate;
+import java.util.Collection;
+import java.util.Enumeration;
+import java.util.jar.Attributes;
+import java.util.jar.Manifest;
+
+/**
+ * The JarFileClassLoader that loads classes and resources from a list of JarFiles. This method is simmilar to URLClassLoader
+ * except it properly closes JarFiles when the classloader is destroyed so that the file read lock will be released, and
+ * the jar file can be modified and deleted.
+ * <p>
+ *
+ * @version $Rev$ $Date$
+ */
+public class JarFileClassLoader extends MultiParentClassLoader {
+ private static final URL[] EMPTY_URLS = new URL[0];
+
+ private final UrlResourceFinder resourceFinder = new UrlResourceFinder();
+ private final AccessControlContext acc;
+
+ /**
+ * Creates a JarFileClassLoader that is a child of the system class loader.
+ * @param urls a list of URLs from which classes and resources should be loaded
+ */
+ public JarFileClassLoader(URL[] urls) {
+ super(EMPTY_URLS);
+ this.acc = AccessController.getContext();
+ addURLs(urls);
+ }
+
+ /**
+ * Creates a JarFileClassLoader that is a child of the specified class loader.
+ * @param urls a list of URLs from which classes and resources should be loaded
+ * @param parent the parent of this class loader
+ */
+ public JarFileClassLoader(URL[] urls, ClassLoader parent) {
+ super(EMPTY_URLS, parent);
+ this.acc = AccessController.getContext();
+ addURLs(urls);
+ }
+
+ public JarFileClassLoader(URL[] urls, ClassLoader parent, boolean inverseClassLoading, String[] hiddenClasses, String[] nonOverridableClasses) {
+ super(EMPTY_URLS, parent, inverseClassLoading, hiddenClasses, nonOverridableClasses);
+ this.acc = AccessController.getContext();
+ addURLs(urls);
+ }
+
+ /**
+ * Creates a named class loader as a child of the specified parents.
+ * @param urls the urls from which this class loader will classes and resources
+ * @param parents the parents of this class loader
+ */
+ public JarFileClassLoader(URL[] urls, ClassLoader[] parents) {
+ super(EMPTY_URLS, parents);
+ this.acc = AccessController.getContext();
+ addURLs(urls);
+ }
+
+ public JarFileClassLoader(URL[] urls, ClassLoader[] parents, boolean inverseClassLoading, Collection hiddenClasses, Collection nonOverridableClasses) {
+ super(EMPTY_URLS, parents, inverseClassLoading, hiddenClasses, nonOverridableClasses);
+ this.acc = AccessController.getContext();
+ addURLs(urls);
+ }
+
+ public JarFileClassLoader(URL[] urls, ClassLoader[] parents, boolean inverseClassLoading, String[] hiddenClasses, String[] nonOverridableClasses) {
+ super(EMPTY_URLS, parents, inverseClassLoading, hiddenClasses, nonOverridableClasses);
+ this.acc = AccessController.getContext();
+ addURLs(urls);
+ }
+
+ public JarFileClassLoader(JarFileClassLoader source) {
+ super(source);
+ this.acc = AccessController.getContext();
+ addURLs(source.getURLs());
+ }
+
+ public static ClassLoader copy(ClassLoader source) {
+ if (source instanceof JarFileClassLoader) {
+ return new JarFileClassLoader((JarFileClassLoader) source);
+ } else if (source instanceof MultiParentClassLoader) {
+ return new MultiParentClassLoader((MultiParentClassLoader) source);
+ } else if (source instanceof URLClassLoader) {
+ return new URLClassLoader(((URLClassLoader)source).getURLs(), source.getParent());
+ } else {
+ return new URLClassLoader(new URL[0], source);
+ }
+ }
+
+ ClassLoader copy() {
+ return JarFileClassLoader.copy(this);
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ public URL[] getURLs() {
+ return resourceFinder.getUrls();
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ public void addURL(final URL url) {
+ AccessController.doPrivileged(new PrivilegedAction() {
+ public Object run() {
+ resourceFinder.addUrl(url);
+ return null;
+ }
+ }, acc);
+ }
+
+ /**
+ * Adds an array of urls to the end of this class loader.
+ * @param urls the URLs to add
+ */
+ protected void addURLs(final URL[] urls) {
+ AccessController.doPrivileged(new PrivilegedAction() {
+ public Object run() {
+ resourceFinder.addUrls(urls);
+ return null;
+ }
+ }, acc);
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ public void destroy() {
+ resourceFinder.destroy();
+ super.destroy();
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ public URL findResource(final String resourceName) {
+ return (URL) AccessController.doPrivileged(new PrivilegedAction() {
+ public Object run() {
+ return resourceFinder.findResource(resourceName);
+ }
+ }, acc);
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ protected Enumeration<URL> internalfindResources(final String name) throws IOException {
+ return AccessController.doPrivileged(new PrivilegedAction<Enumeration<URL>>() {
+ public Enumeration<URL> run() {
+ return resourceFinder.findResources(name);
+ }
+ }, acc);
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ protected String findLibrary(String libraryName) {
+ // if the libraryName is actually a directory it is invalid
+ int pathEnd = libraryName.lastIndexOf('/');
+ if (pathEnd == libraryName.length() - 1) {
+ throw new IllegalArgumentException("libraryName ends with a '/' character: " + libraryName);
+ }
+
+ // get the name if the library file
+ final String resourceName;
+ if (pathEnd < 0) {
+ resourceName = System.mapLibraryName(libraryName);
+ } else {
+ String path = libraryName.substring(0, pathEnd + 1);
+ String file = libraryName.substring(pathEnd + 1);
+ resourceName = path + System.mapLibraryName(file);
+ }
+
+ // get a resource handle to the library
+ ResourceHandle resourceHandle = (ResourceHandle) AccessController.doPrivileged(new PrivilegedAction() {
+ public Object run() {
+ return resourceFinder.getResource(resourceName);
+ }
+ }, acc);
+
+ if (resourceHandle == null) {
+ return null;
+ }
+
+ // the library must be accessable on the file system
+ URL url = resourceHandle.getUrl();
+ if (!"file".equals(url.getProtocol())) {
+ return null;
+ }
+
+ String path = new File(URI.create(url.toString())).getPath();
+ return path;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ protected Class findClass(final String className) throws ClassNotFoundException {
+ try {
+ return (Class) AccessController.doPrivileged(new PrivilegedExceptionAction() {
+ public Object run() throws ClassNotFoundException {
+ // first think check if we are allowed to define the package
+ SecurityManager securityManager = System.getSecurityManager();
+ if (securityManager != null) {
+ String packageName;
+ int packageEnd = className.lastIndexOf('.');
+ if (packageEnd >= 0) {
+ packageName = className.substring(0, packageEnd);
+ securityManager.checkPackageDefinition(packageName);
+ }
+ }
+
+
+ // convert the class name to a file name
+ String resourceName = className.replace('.', '/') + ".class";
+
+ // find the class file resource
+ ResourceHandle resourceHandle = resourceFinder.getResource(resourceName);
+ if (resourceHandle == null) {
+ throw new ClassNotFoundException(className);
+ }
+
+ byte[] bytes;
+ Manifest manifest;
+ try {
+ // get the bytes from the class file
+ bytes = resourceHandle.getBytes();
+
+ // get the manifest for defining the packages
+ manifest = resourceHandle.getManifest();
+ } catch (IOException e) {
+ throw new ClassNotFoundException(className, e);
+ }
+
+ // get the certificates for the code source
+ Certificate[] certificates = resourceHandle.getCertificates();
+
+ // the code source url is used to define the package and as the security context for the class
+ URL codeSourceUrl = resourceHandle.getCodeSourceUrl();
+
+ // define the package (required for security)
+ definePackage(className, codeSourceUrl, manifest);
+
+ // this is the security context of the class
+ CodeSource codeSource = new CodeSource(codeSourceUrl, certificates);
+
+ // load the class into the vm
+ Class clazz = defineClass(className, bytes, 0, bytes.length, codeSource);
+ return clazz;
+ }
+ }, acc);
+ } catch (PrivilegedActionException e) {
+ throw (ClassNotFoundException) e.getException();
+ }
+ }
+
+ private void definePackage(String className, URL jarUrl, Manifest manifest) {
+ int packageEnd = className.lastIndexOf('.');
+ if (packageEnd < 0) {
+ return;
+ }
+
+ String packageName = className.substring(0, packageEnd);
+ String packagePath = packageName.replace('.', '/') + "/";
+
+ Attributes packageAttributes = null;
+ Attributes mainAttributes = null;
+ if (manifest != null) {
+ packageAttributes = manifest.getAttributes(packagePath);
+ mainAttributes = manifest.getMainAttributes();
+ }
+ Package pkg = getPackage(packageName);
+ if (pkg != null) {
+ if (pkg.isSealed()) {
+ if (!pkg.isSealed(jarUrl)) {
+ throw new SecurityException("Package was already sealed with another URL: package=" + packageName + ", url=" + jarUrl);
+ }
+ } else {
+ if (isSealed(packageAttributes, mainAttributes)) {
+ throw new SecurityException("Package was already been loaded and not sealed: package=" + packageName + ", url=" + jarUrl);
+ }
+ }
+ } else {
+ String specTitle = getAttribute(Attributes.Name.SPECIFICATION_TITLE, packageAttributes, mainAttributes);
+ String specVendor = getAttribute(Attributes.Name.SPECIFICATION_VENDOR, packageAttributes, mainAttributes);
+ String specVersion = getAttribute(Attributes.Name.SPECIFICATION_VERSION, packageAttributes, mainAttributes);
+ String implTitle = getAttribute(Attributes.Name.IMPLEMENTATION_TITLE, packageAttributes, mainAttributes);
+ String implVendor = getAttribute(Attributes.Name.IMPLEMENTATION_VENDOR, packageAttributes, mainAttributes);
+ String implVersion = getAttribute(Attributes.Name.IMPLEMENTATION_VERSION, packageAttributes, mainAttributes);
+
+ URL sealBase = null;
+ if (isSealed(packageAttributes, mainAttributes)) {
+ sealBase = jarUrl;
+ }
+
+ definePackage(packageName, specTitle, specVersion, specVendor, implTitle, implVersion, implVendor, sealBase);
+ }
+ }
+
+ private String getAttribute(Attributes.Name name, Attributes packageAttributes, Attributes mainAttributes) {
+ if (packageAttributes != null) {
+ String value = packageAttributes.getValue(name);
+ if (value != null) {
+ return value;
+ }
+ }
+ if (mainAttributes != null) {
+ return mainAttributes.getValue(name);
+ }
+ return null;
+ }
+
+ private boolean isSealed(Attributes packageAttributes, Attributes mainAttributes) {
+ String sealed = getAttribute(Attributes.Name.SEALED, packageAttributes, mainAttributes);
+ if (sealed == null) {
+ return false;
+ }
+ return "true".equalsIgnoreCase(sealed);
+ }
+}
\ No newline at end of file
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Added: webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/JarResourceHandle.java
URL: http://svn.apache.org/viewvc/webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/JarResourceHandle.java?rev=704201&view=auto
==============================================================================
--- webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/JarResourceHandle.java (added)
+++ webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/JarResourceHandle.java Mon Oct 13 11:52:25 2008
@@ -0,0 +1,80 @@
+/**
+ * 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.axis2.classloader;
+
+import java.util.jar.JarFile;
+import java.util.jar.JarEntry;
+import java.util.jar.Manifest;
+import java.util.jar.Attributes;
+import java.net.URL;
+import java.net.MalformedURLException;
+import java.io.InputStream;
+import java.io.IOException;
+import java.security.cert.Certificate;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class JarResourceHandle extends AbstractResourceHandle {
+ private final JarFile jarFile;
+ private final JarEntry jarEntry;
+ private final URL url;
+ private final URL codeSource;
+
+ public JarResourceHandle(JarFile jarFile, JarEntry jarEntry, URL codeSource) throws MalformedURLException {
+ this.jarFile = jarFile;
+ this.jarEntry = jarEntry;
+ this.url = JarFileUrlStreamHandler.createUrl(jarFile, jarEntry, codeSource);
+ this.codeSource = codeSource;
+ }
+
+ public String getName() {
+ return jarEntry.getName();
+ }
+
+ public URL getUrl() {
+ return url;
+ }
+
+ public URL getCodeSourceUrl() {
+ return codeSource;
+ }
+
+ public boolean isDirectory() {
+ return jarEntry.isDirectory();
+ }
+
+ public InputStream getInputStream() throws IOException {
+ return jarFile.getInputStream(jarEntry);
+ }
+
+ public int getContentLength() {
+ return (int) jarEntry.getSize();
+ }
+
+ public Manifest getManifest() throws IOException {
+ return jarFile.getManifest();
+ }
+
+ public Attributes getAttributes() throws IOException {
+ return jarEntry.getAttributes();
+ }
+
+ public Certificate[] getCertificates() {
+ return jarEntry.getCertificates();
+ }
+}
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Added: webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/JarResourceLocation.java
URL: http://svn.apache.org/viewvc/webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/JarResourceLocation.java?rev=704201&view=auto
==============================================================================
--- webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/JarResourceLocation.java (added)
+++ webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/JarResourceLocation.java Mon Oct 13 11:52:25 2008
@@ -0,0 +1,151 @@
+/**
+ * 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.axis2.classloader;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.InputStream;
+import java.io.IOException;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.util.jar.JarEntry;
+import java.util.jar.JarFile;
+import java.util.jar.JarInputStream;
+import java.util.jar.Manifest;
+import java.util.zip.ZipException;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class JarResourceLocation extends AbstractUrlResourceLocation {
+ private JarFile jarFile;
+ private byte content[];
+
+ public JarResourceLocation(URL codeSource, File cacheFile) throws IOException {
+ super(codeSource);
+ try {
+ jarFile = new JarFile(cacheFile);
+ } catch (ZipException ze) {
+ // We get this exception on windows when the
+ // path to the jar file gets too long (Bug ID: 6374379)
+ InputStream is = null;
+ try {
+ is = new FileInputStream(cacheFile);
+ ByteArrayOutputStream baos = new ByteArrayOutputStream();
+ byte[] buffer = new byte[2048];
+ int bytesRead = -1;
+ while ((bytesRead = is.read(buffer)) != -1) {
+ baos.write(buffer, 0, bytesRead);
+ }
+ this.content = baos.toByteArray();
+ } finally {
+ if (is != null) {
+ is.close();
+ }
+ }
+ }
+ }
+
+ public ResourceHandle getResourceHandle(String resourceName) {
+ if (jarFile != null) {
+ JarEntry jarEntry = jarFile.getJarEntry(resourceName);
+ if (jarEntry != null) {
+ try {
+ URL url = new URL(getCodeSource(), resourceName);
+ return new JarResourceHandle(jarFile, jarEntry, getCodeSource());
+ } catch (MalformedURLException e) {
+ }
+ }
+ } else {
+ try {
+ final JarInputStream is = new JarInputStream(new ByteArrayInputStream(this.content));
+ JarEntry jarEntry = null;
+ while ((jarEntry = is.getNextJarEntry()) != null) {
+ if (jarEntry.getName().equals(resourceName)) {
+ try {
+ URL url = new URL(getCodeSource(), resourceName);
+ final JarEntry jarEntry2 = jarEntry;
+ return new JarEntryResourceHandle(jarEntry2, is);
+ } catch (MalformedURLException e) {
+ }
+ }
+ }
+ } catch (IOException e) {
+ }
+ }
+ return null;
+ }
+
+ public Manifest getManifest() throws IOException {
+ if (jarFile != null) {
+ return jarFile.getManifest();
+ } else {
+ try {
+ JarInputStream is = new JarInputStream(new ByteArrayInputStream(this.content));
+ return is.getManifest();
+ } catch (IOException e) {
+ }
+ }
+ return null;
+ }
+
+ public void close() {
+ if (jarFile != null) {
+ IoUtil.close(jarFile);
+ }
+ }
+
+ private class JarEntryResourceHandle extends AbstractResourceHandle {
+ private final JarEntry jarEntry2;
+ private final JarInputStream is;
+
+ public JarEntryResourceHandle(JarEntry jarEntry2, JarInputStream is) {
+ this.jarEntry2 = jarEntry2;
+ this.is = is;
+ }
+
+ public String getName() {
+ return jarEntry2.getName();
+ }
+
+ public URL getUrl() {
+ try {
+ return new URL("jar", "", -1, getCodeSource() + "!/" + jarEntry2.getName());
+ } catch (MalformedURLException e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ public boolean isDirectory() {
+ return jarEntry2.isDirectory();
+ }
+
+ public URL getCodeSourceUrl() {
+ return getCodeSource();
+ }
+
+ public InputStream getInputStream() throws IOException {
+ return is;
+ }
+
+ public int getContentLength() {
+ return (int) jarEntry2.getSize();
+ }
+ }
+}
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Modified: webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/MultiParentClassLoader.java
URL: http://svn.apache.org/viewvc/webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/MultiParentClassLoader.java?rev=704201&r1=704200&r2=704201&view=diff
==============================================================================
--- webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/MultiParentClassLoader.java (original)
+++ webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/MultiParentClassLoader.java Mon Oct 13 11:52:25 2008
@@ -128,6 +128,24 @@
nonOverridableResources = toResources(nonOverridableClasses);
}
+ public MultiParentClassLoader(MultiParentClassLoader source) {
+ this(source.getURLs(), deepCopyParents(source.parents), source.inverseClassLoading, source.hiddenClasses, source.nonOverridableClasses);
+ }
+
+ static ClassLoader copy(ClassLoader source) {
+ if (source instanceof MultiParentClassLoader) {
+ return new MultiParentClassLoader((MultiParentClassLoader) source);
+ } else if (source instanceof URLClassLoader) {
+ return new URLClassLoader(((URLClassLoader) source).getURLs(), source.getParent());
+ } else {
+ return new URLClassLoader(new URL[0], source);
+ }
+ }
+
+ ClassLoader copy() {
+ return MultiParentClassLoader.copy(this);
+ }
+
private String[] toResources(String[] classes) {
String[] resources = new String[classes.length];
for (int i = 0; i < classes.length; i++) {
@@ -168,6 +186,21 @@
return newParentsArray;
}
+ private static ClassLoader[] deepCopyParents(ClassLoader[] parents) {
+ ClassLoader[] newParentsArray = new ClassLoader[parents.length];
+ for (int i = 0; i < parents.length; i++) {
+ ClassLoader parent = parents[i];
+ if (parent == null) {
+ throw new RuntimeException("parent[" + i + "] is null");
+ }
+ if (parent instanceof MultiParentClassLoader) {
+ parent = ((MultiParentClassLoader) parent).copy();
+ }
+ newParentsArray[i] = parent;
+ }
+ return newParentsArray;
+ }
+
/**
* Gets the parents of this class loader.
*
Added: webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/ResourceEnumeration.java
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==============================================================================
--- webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/ResourceEnumeration.java (added)
+++ webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/ResourceEnumeration.java Mon Oct 13 11:52:25 2008
@@ -0,0 +1,83 @@
+/**
+ * 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.axis2.classloader;
+
+import java.util.Enumeration;
+import java.util.Iterator;
+import java.util.Collection;
+import java.util.NoSuchElementException;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class ResourceEnumeration implements Enumeration {
+ private Iterator iterator;
+ private final String resourceName;
+ private Object next;
+
+ public ResourceEnumeration(Collection resourceLocations, String resourceName) {
+ this.iterator = resourceLocations.iterator();
+ this.resourceName = resourceName;
+ }
+
+ public boolean hasMoreElements() {
+ fetchNext();
+ return (next != null);
+ }
+
+ public Object nextElement() {
+ fetchNext();
+
+ // save next into a local variable and clear the next field
+ Object next = this.next;
+ this.next = null;
+
+ // if we didn't have a next throw an exception
+ if (next == null) {
+ throw new NoSuchElementException();
+ }
+ return next;
+ }
+
+ private void fetchNext() {
+ if (iterator == null) {
+ return;
+ }
+ if (next != null) {
+ return;
+ }
+
+ try {
+ while (iterator.hasNext()) {
+ ResourceLocation resourceLocation = (ResourceLocation) iterator.next();
+ ResourceHandle resourceHandle = resourceLocation.getResourceHandle(resourceName);
+ if (resourceHandle != null) {
+ next = resourceHandle.getUrl();
+ return;
+ }
+ }
+ // no more elements
+ // clear the iterator so it can be GCed
+ iterator = null;
+ } catch (IllegalStateException e) {
+ // Jar file was closed... this means the resource finder was destroyed
+ // clear the iterator so it can be GCed
+ iterator = null;
+ throw e;
+ }
+ }
+}
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Added: webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/ResourceFinder.java
URL: http://svn.apache.org/viewvc/webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/ResourceFinder.java?rev=704201&view=auto
==============================================================================
--- webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/ResourceFinder.java (added)
+++ webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/ResourceFinder.java Mon Oct 13 11:52:25 2008
@@ -0,0 +1,55 @@
+/**
+ * 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.axis2.classloader;
+
+import java.net.URL;
+import java.util.Enumeration;
+
+/**
+ * Abstraction of resource searching policy. Given resource name, the resource
+ * finder performs implementation-specific lookup, and, if it is able to locate
+ * the resource, returns the {@link AbstractResourceHandle handle(s)} or URL(s) of it.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface ResourceFinder {
+ /**
+ * Find the resource by name and return URL of it if found.
+ *
+ * @param name the resource name
+ * @return resource URL or null if resource was not found
+ */
+ public URL findResource(String name);
+
+ /**
+ * Find all resources with given name and return enumeration of their URLs.
+ *
+ * @param name the resource name
+ * @return enumeration of resource URLs (possibly empty).
+ */
+ public Enumeration findResources(String name);
+
+ /**
+ * Get the resource by name and, if found, open connection to it and return
+ * the {@link AbstractResourceHandle handle} of it.
+ *
+ * @param name the resource name
+ * @return resource handle or null if resource was not found
+ */
+ public ResourceHandle getResource(String name);
+
+}
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Added: webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/ResourceHandle.java
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==============================================================================
--- webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/ResourceHandle.java (added)
+++ webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/ResourceHandle.java Mon Oct 13 11:52:25 2008
@@ -0,0 +1,97 @@
+/**
+ * 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.axis2.classloader;
+
+import java.net.URL;
+import java.io.InputStream;
+import java.io.IOException;
+import java.util.jar.Manifest;
+import java.util.jar.Attributes;
+import java.security.cert.Certificate;
+
+/**
+ * This is a handle (a connection) to some resource, which may
+ * be a class, native library, text file, image, etc. Handles are returned
+ * by a ResourceFinder. A resource handle allows easy access to the resource data
+ * (using methods {@link #getInputStream} or {@link #getBytes}) as well as
+ * access resource metadata, such as attributes, certificates, etc.
+ * <p/>
+ * As soon as the handle is no longer in use, it should be explicitly
+ * {@link #close}d, similarly to I/O streams.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface ResourceHandle {
+ /**
+ * Return the name of the resource. The name is a "/"-separated path
+ * name that identifies the resource.
+ */
+ String getName();
+
+ /**
+ * Returns the URL of the resource.
+ */
+ URL getUrl();
+
+ /**
+ * Does this resource refer to a directory. Directory resources are commly used
+ * as the basis for a URL in client application. A directory resource has 0 bytes for it's content.
+ */
+ boolean isDirectory();
+
+ /**
+ * Returns the CodeSource URL for the class or resource.
+ */
+ URL getCodeSourceUrl();
+
+ /**
+ * Returns and InputStream for reading this resource data.
+ */
+ InputStream getInputStream() throws IOException;
+
+ /**
+ * Returns the length of this resource data, or -1 if unknown.
+ */
+ int getContentLength();
+
+ /**
+ * Returns this resource data as an array of bytes.
+ */
+ byte[] getBytes() throws IOException;
+
+ /**
+ * Returns the Manifest of the JAR file from which this resource
+ * was loaded, or null if none.
+ */
+ Manifest getManifest() throws IOException;
+
+ /**
+ * Return the Certificates of the resource, or null if none.
+ */
+ Certificate[] getCertificates();
+
+ /**
+ * Return the Attributes of the resource, or null if none.
+ */
+ Attributes getAttributes() throws IOException;
+
+ /**
+ * Closes a connection to the resource indentified by this handle. Releases
+ * any I/O objects associated with the handle.
+ */
+ void close();
+}
Propchange: webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/ResourceHandle.java
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Added: webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/ResourceLocation.java
URL: http://svn.apache.org/viewvc/webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/ResourceLocation.java?rev=704201&view=auto
==============================================================================
--- webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/ResourceLocation.java (added)
+++ webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/ResourceLocation.java Mon Oct 13 11:52:25 2008
@@ -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.axis2.classloader;
+
+import java.util.jar.Manifest;
+import java.io.IOException;
+import java.net.URL;
+
+/**
+ * This is a location which is searched by
+ *
+ * @version $Rev$ $Date$
+ */
+public interface ResourceLocation {
+ URL getCodeSource();
+ ResourceHandle getResourceHandle(String resourceName);
+ Manifest getManifest() throws IOException;
+ void close();
+}
Propchange: webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/ResourceLocation.java
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Propchange: webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/ResourceLocation.java
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Added: webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/UrlResourceFinder.java
URL: http://svn.apache.org/viewvc/webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/UrlResourceFinder.java?rev=704201&view=auto
==============================================================================
--- webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/UrlResourceFinder.java (added)
+++ webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/UrlResourceFinder.java Mon Oct 13 11:52:25 2008
@@ -0,0 +1,293 @@
+/**
+ * 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.axis2.classloader;
+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.Enumeration;
+import java.util.LinkedHashMap;
+import java.util.LinkedHashSet;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Map;
+import java.util.StringTokenizer;
+import java.util.jar.Attributes;
+import java.util.jar.Manifest;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class UrlResourceFinder implements ResourceFinder {
+ private final Object lock = new Object();
+ private final LinkedHashSet<URL> urls = new LinkedHashSet<URL>();
+ private final LinkedHashMap<URL,ResourceLocation> classPath = new LinkedHashMap<URL,ResourceLocation>();
+ private final LinkedHashSet<File> watchedFiles = new LinkedHashSet<File>();
+
+ private boolean destroyed = false;
+
+ public UrlResourceFinder() {
+ }
+
+ public UrlResourceFinder(URL[] urls) {
+ addUrls(urls);
+ }
+
+ public void destroy() {
+ synchronized (lock) {
+ if (destroyed) {
+ return;
+ }
+ destroyed = true;
+ urls.clear();
+ for (ResourceLocation resourceLocation : classPath.values()) {
+ resourceLocation.close();
+ }
+ classPath.clear();
+ }
+ }
+
+ public ResourceHandle getResource(String resourceName) {
+ synchronized (lock) {
+ if (destroyed) {
+ return null;
+ }
+ for (Map.Entry<URL, ResourceLocation> entry : getClassPath().entrySet()) {
+ ResourceLocation resourceLocation = entry.getValue();
+ ResourceHandle resourceHandle = resourceLocation.getResourceHandle(resourceName);
+ if (resourceHandle != null && !resourceHandle.isDirectory()) {
+ return resourceHandle;
+ }
+ }
+ }
+ return null;
+ }
+
+ public URL findResource(String resourceName) {
+ synchronized (lock) {
+ if (destroyed) {
+ return null;
+ }
+ for (Map.Entry<URL, ResourceLocation> entry : getClassPath().entrySet()) {
+ ResourceLocation resourceLocation = entry.getValue();
+ ResourceHandle resourceHandle = resourceLocation.getResourceHandle(resourceName);
+ if (resourceHandle != null) {
+ return resourceHandle.getUrl();
+ }
+ }
+ }
+ return null;
+ }
+
+ public Enumeration findResources(String resourceName) {
+ synchronized (lock) {
+ return new ResourceEnumeration(new ArrayList<ResourceLocation>(getClassPath().values()), resourceName);
+ }
+ }
+
+ public void addUrl(URL url) {
+ addUrls(Collections.singletonList(url));
+ }
+
+ public URL[] getUrls() {
+ synchronized (lock) {
+ return urls.toArray(new URL[urls.size()]);
+ }
+ }
+
+ /**
+ * Adds an array of urls to the end of this class loader.
+ * @param urls the URLs to add
+ */
+ protected void addUrls(URL[] urls) {
+ addUrls(Arrays.asList(urls));
+ }
+
+ /**
+ * Adds a list of urls to the end of this class loader.
+ * @param urls the URLs to add
+ */
+ protected void addUrls(List<URL> urls) {
+ synchronized (lock) {
+ if (destroyed) {
+ throw new IllegalStateException("UrlResourceFinder has been destroyed");
+ }
+
+ boolean shouldRebuild = this.urls.addAll(urls);
+ if (shouldRebuild) {
+ rebuildClassPath();
+ }
+ }
+ }
+
+ private LinkedHashMap<URL, ResourceLocation> getClassPath() {
+ assert Thread.holdsLock(lock): "This method can only be called while holding the lock";
+
+ for (File file : watchedFiles) {
+ if (file.canRead()) {
+ rebuildClassPath();
+ break;
+ }
+ }
+
+ return classPath;
+ }
+
+ /**
+ * Rebuilds the entire class path. This class is called when new URLs are added or one of the watched files
+ * becomes readable. This method will not open jar files again, but will add any new entries not alredy open
+ * to the class path. If any file based url is does not exist, we will watch for that file to appear.
+ */
+ private void rebuildClassPath() {
+ assert Thread.holdsLock(lock): "This method can only be called while holding the lock";
+
+ // copy all of the existing locations into a temp map and clear the class path
+ Map<URL,ResourceLocation> existingJarFiles = new LinkedHashMap<URL,ResourceLocation>(classPath);
+ classPath.clear();
+
+ LinkedList<URL> locationStack = new LinkedList<URL>(urls);
+ try {
+ while (!locationStack.isEmpty()) {
+ URL url = locationStack.removeFirst();
+
+ // Skip any duplicate urls in the classpath
+ if (classPath.containsKey(url)) {
+ continue;
+ }
+
+ // Check is this URL has already been opened
+ ResourceLocation resourceLocation = existingJarFiles.remove(url);
+
+ // If not opened, cache the url and wrap it with a resource location
+ if (resourceLocation == null) {
+ try {
+ File file = cacheUrl(url);
+ resourceLocation = createResourceLocation(url, file);
+ } catch (FileNotFoundException e) {
+ // if this is a file URL, the file doesn't exist yet... watch to see if it appears later
+ if ("file".equals(url.getProtocol())) {
+ File file = new File(url.getPath());
+ watchedFiles.add(file);
+ continue;
+
+ }
+ } catch (IOException ignored) {
+ // can't seem to open the file... this is most likely a bad jar file
+ // so don't keep a watch out for it because that would require lots of checking
+ // Dain: We may want to review this decision later
+ continue;
+ } catch (UnsupportedOperationException ex) {
+ // the protocol for the JAR file's URL is not supported. This can occur when
+ // the jar file is embedded in an EAR or CAR file. Proceed but log the message.
+ System.out.println("The protocol for the JAR file's URL is not supported" + ex);
+ continue;
+ }
+ }
+
+ // add the jar to our class path
+ classPath.put(resourceLocation.getCodeSource(), resourceLocation);
+
+ // push the manifest classpath on the stack (make sure to maintain the order)
+ List<URL> manifestClassPath = getManifestClassPath(resourceLocation);
+ locationStack.addAll(0, manifestClassPath);
+ }
+ } catch (Error e) {
+ destroy();
+ throw e;
+ }
+
+ for (ResourceLocation resourceLocation : existingJarFiles.values()) {
+ resourceLocation.close();
+ }
+ }
+
+ protected File cacheUrl(URL url) throws IOException {
+ if (!"file".equals(url.getProtocol())) {
+ // download the jar
+ throw new UnsupportedOperationException("Only local file jars are supported " + url);
+ }
+
+ File file = new File(url.getPath());
+ if (!file.exists()) {
+ throw new FileNotFoundException(file.getAbsolutePath());
+ }
+ if (!file.canRead()) {
+ throw new IOException("File is not readable: " + file.getAbsolutePath());
+ }
+ return file;
+ }
+
+ protected ResourceLocation createResourceLocation(URL codeSource, File cacheFile) throws IOException {
+ if (!cacheFile.exists()) {
+ throw new FileNotFoundException(cacheFile.getAbsolutePath());
+ }
+ if (!cacheFile.canRead()) {
+ throw new IOException("File is not readable: " + cacheFile.getAbsolutePath());
+ }
+
+ ResourceLocation resourceLocation;
+ if (cacheFile.isDirectory()) {
+ // DirectoryResourceLocation will only return "file" URLs within this directory
+ // do not user the DirectoryResourceLocation for non file based urls
+ resourceLocation = new DirectoryResourceLocation(cacheFile);
+ } else {
+ resourceLocation = new JarResourceLocation(codeSource, cacheFile);
+ }
+ return resourceLocation;
+ }
+
+ private List<URL> getManifestClassPath(ResourceLocation resourceLocation) {
+ try {
+ // get the manifest, if possible
+ Manifest manifest = resourceLocation.getManifest();
+ if (manifest == null) {
+ // some locations don't have a manifest
+ return Collections.EMPTY_LIST;
+ }
+
+ // get the class-path attribute, if possible
+ String manifestClassPath = manifest.getMainAttributes().getValue(Attributes.Name.CLASS_PATH);
+ if (manifestClassPath == null) {
+ return Collections.EMPTY_LIST;
+ }
+
+ // build the urls...
+ // the class-path attribute is space delimited
+ URL codeSource = resourceLocation.getCodeSource();
+ LinkedList<URL> classPathUrls = new LinkedList<URL>();
+ for (StringTokenizer tokenizer = new StringTokenizer(manifestClassPath, " "); tokenizer.hasMoreTokens();) {
+ String entry = tokenizer.nextToken();
+ try {
+ // the class path entry is relative to the resource location code source
+ URL entryUrl = new URL(codeSource, entry);
+ classPathUrls.addLast(entryUrl);
+ } catch (MalformedURLException ignored) {
+ // most likely a poorly named entry
+ }
+ }
+ return classPathUrls;
+ } catch (IOException ignored) {
+ // error opening the manifest
+ return Collections.EMPTY_LIST;
+ }
+ }
+}
Propchange: webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/UrlResourceFinder.java
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Propchange: webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/UrlResourceFinder.java
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svn:keywords = Date Revision
Propchange: webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/classloader/UrlResourceFinder.java
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Modified: webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/deployment/DeploymentEngine.java
URL: http://svn.apache.org/viewvc/webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/deployment/DeploymentEngine.java?rev=704201&r1=704200&r2=704201&view=diff
==============================================================================
--- webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/deployment/DeploymentEngine.java (original)
+++ webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/deployment/DeploymentEngine.java Mon Oct 13 11:52:25 2008
@@ -22,6 +22,7 @@
import org.apache.axiom.om.OMElement;
import org.apache.axis2.AxisFault;
+import org.apache.axis2.classloader.JarFileClassLoader;
import org.apache.axis2.Constants;
import org.apache.axis2.context.ConfigurationContext;
import org.apache.axis2.context.ServiceContext;
@@ -1200,6 +1201,15 @@
* Clean up the mess
*/
public void cleanup() {
+ if (axisConfig.getModuleClassLoader() instanceof JarFileClassLoader) {
+ ((JarFileClassLoader)axisConfig.getModuleClassLoader()).destroy();
+ }
+ if (axisConfig.getServiceClassLoader() instanceof JarFileClassLoader) {
+ ((JarFileClassLoader)axisConfig.getServiceClassLoader()).destroy();
+ }
+ if (axisConfig.getSystemClassLoader() instanceof JarFileClassLoader) {
+ ((JarFileClassLoader)axisConfig.getSystemClassLoader()).destroy();
+ }
if (scheduler != null) {
scheduler.cleanup();
}
Modified: webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/deployment/util/Utils.java
URL: http://svn.apache.org/viewvc/webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/deployment/util/Utils.java?rev=704201&r1=704200&r2=704201&view=diff
==============================================================================
--- webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/deployment/util/Utils.java (original)
+++ webservices/axis2/trunk/java/modules/kernel/src/org/apache/axis2/deployment/util/Utils.java Mon Oct 13 11:52:25 2008
@@ -25,6 +25,7 @@
import org.apache.axiom.soap.SOAP11Constants;
import org.apache.axiom.soap.SOAP12Constants;
import org.apache.axis2.AxisFault;
+import org.apache.axis2.classloader.JarFileClassLoader;
import org.apache.axis2.Constants;
import org.apache.axis2.context.ConfigurationContext;
import org.apache.axis2.deployment.DeploymentClassLoader;
@@ -339,7 +340,11 @@
classLoader = (URLClassLoader)AccessController
.doPrivileged(new PrivilegedAction() {
public Object run() {
- return new URLClassLoader(urllist, parent);
+ if (useJarFileClassLoader()) {
+ return new JarFileClassLoader(urllist, parent);
+ } else {
+ return new URLClassLoader(urllist, parent);
+ }
}
});
return classLoader;
@@ -348,6 +353,20 @@
}
}
+ private static boolean useJarFileClassLoader() {
+ // The JarFileClassLoader was created to address a locking problem seen only on Windows platforms.
+ // It carries with it a slight performance penalty that needs to be addressed. Rather than make
+ // *nix OSes carry this burden we'll engage the JarFileClassLoader for Windows or if the user
+ // specifically requests it.
+ boolean useJarFileClassLoader = false;
+ if (System.getProperty("org.apache.axis2.classloader.JarFileClassLoader") == null) {
+ useJarFileClassLoader = System.getProperty("os.name").startsWith("Windows");
+ } else {
+ useJarFileClassLoader = Boolean.getBoolean("org.apache.axis2.classloader.JarFileClassLoader");
+ }
+ return useJarFileClassLoader;
+ }
+
private static boolean addFiles(ArrayList urls, final File libfiles)
throws MalformedURLException {
Boolean exists = (Boolean)org.apache.axis2.java.security.AccessController