You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@sling.apache.org by ju...@apache.org on 2011/12/02 03:50:14 UTC

svn commit: r1209335 - in /sling/trunk: bundles/extensions/adapter/ bundles/extensions/adapter/src/main/java/org/apache/sling/adapter/internal/ bundles/extensions/adapter/src/main/resources/ bundles/extensions/adapter/src/main/resources/OSGI-INF/ bundl...

Author: justin
Date: Fri Dec  2 02:50:12 2011
New Revision: 1209335

URL: http://svn.apache.org/viewvc?rev=1209335&view=rev
Log:
SLING-2295 - initial implementation of a web console plugin and configuration printer for adapters

Added:
    sling/trunk/bundles/extensions/adapter/src/main/java/org/apache/sling/adapter/internal/AdapterWebConsolePlugin.java
    sling/trunk/bundles/extensions/adapter/src/main/resources/
    sling/trunk/bundles/extensions/adapter/src/main/resources/OSGI-INF/
    sling/trunk/bundles/extensions/adapter/src/main/resources/OSGI-INF/l10n/
    sling/trunk/bundles/extensions/adapter/src/main/resources/OSGI-INF/l10n/bundle.properties
    sling/trunk/bundles/extensions/adapter/src/main/resources/res/
    sling/trunk/bundles/extensions/adapter/src/main/resources/res/ui/
    sling/trunk/bundles/extensions/adapter/src/main/resources/res/ui/adapters.css
Modified:
    sling/trunk/bundles/extensions/adapter/pom.xml
    sling/trunk/launchpad/builder/src/main/bundles/list.xml

Modified: sling/trunk/bundles/extensions/adapter/pom.xml
URL: http://svn.apache.org/viewvc/sling/trunk/bundles/extensions/adapter/pom.xml?rev=1209335&r1=1209334&r2=1209335&view=diff
==============================================================================
--- sling/trunk/bundles/extensions/adapter/pom.xml (original)
+++ sling/trunk/bundles/extensions/adapter/pom.xml Fri Dec  2 02:50:12 2011
@@ -103,6 +103,12 @@
             <scope>provided</scope>
         </dependency>
         <dependency>
+            <groupId>org.apache.sling</groupId>
+            <artifactId>org.apache.sling.commons.json</artifactId>
+            <version>2.0.2-incubator</version>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
             <groupId>org.osgi</groupId>
             <artifactId>org.osgi.core</artifactId>
         </dependency>
@@ -128,8 +134,24 @@
             <artifactId>junit</artifactId>
         </dependency>
         <dependency>
+            <groupId>javax.servlet</groupId>
+            <artifactId>servlet-api</artifactId>
+        </dependency>
+        <dependency>
             <groupId>org.jmock</groupId>
             <artifactId>jmock-junit4</artifactId>
         </dependency>
+        <dependency>
+            <groupId>commons-io</groupId>
+            <artifactId>commons-io</artifactId>
+            <version>1.4</version>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>commons-lang</groupId>
+            <artifactId>commons-lang</artifactId>
+            <version>2.5</version>
+            <scope>provided</scope>
+        </dependency>
     </dependencies>
 </project>

Added: sling/trunk/bundles/extensions/adapter/src/main/java/org/apache/sling/adapter/internal/AdapterWebConsolePlugin.java
URL: http://svn.apache.org/viewvc/sling/trunk/bundles/extensions/adapter/src/main/java/org/apache/sling/adapter/internal/AdapterWebConsolePlugin.java?rev=1209335&view=auto
==============================================================================
--- sling/trunk/bundles/extensions/adapter/src/main/java/org/apache/sling/adapter/internal/AdapterWebConsolePlugin.java (added)
+++ sling/trunk/bundles/extensions/adapter/src/main/java/org/apache/sling/adapter/internal/AdapterWebConsolePlugin.java Fri Dec  2 02:50:12 2011
@@ -0,0 +1,332 @@
+/*
+ * 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.sling.adapter.internal;
+
+import static org.apache.sling.api.adapter.AdapterFactory.*;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.PrintWriter;
+import java.net.URL;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.Enumeration;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+
+import javax.servlet.Servlet;
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.apache.commons.io.IOUtils;
+import org.apache.commons.lang.builder.CompareToBuilder;
+import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.Properties;
+import org.apache.felix.scr.annotations.Property;
+import org.apache.felix.scr.annotations.Service;
+import org.apache.sling.commons.json.JSONArray;
+import org.apache.sling.commons.json.JSONException;
+import org.apache.sling.commons.json.JSONObject;
+import org.apache.sling.commons.osgi.OsgiUtil;
+import org.osgi.framework.Bundle;
+import org.osgi.framework.BundleContext;
+import org.osgi.framework.BundleEvent;
+import org.osgi.framework.BundleListener;
+import org.osgi.framework.Constants;
+import org.osgi.framework.Filter;
+import org.osgi.framework.InvalidSyntaxException;
+import org.osgi.framework.ServiceReference;
+import org.osgi.service.component.ComponentContext;
+import org.osgi.util.tracker.ServiceTracker;
+import org.osgi.util.tracker.ServiceTrackerCustomizer;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+@Component
+@Service(Servlet.class)
+@Properties({ @Property(name = Constants.SERVICE_DESCRIPTION, value = "Adapter Web Console Plugin"),
+        @Property(name = Constants.SERVICE_VENDOR, value = "The Apache Software Foundation"),
+        @Property(name = "felix.webconsole.label", value = "adapters"),
+        @Property(name = "felix.webconsole.title", value = "Sling Adapters"),
+        @Property(name = "felix.webconsole.css", value = "/adapters/res/ui/adapters.css"),
+        @Property(name = "felix.webconsole.configprinter.modes", value = "always") })
+@SuppressWarnings("serial")
+public class AdapterWebConsolePlugin extends HttpServlet implements ServiceTrackerCustomizer, BundleListener {
+
+    private static final int INDENT = 4;
+
+    private static final String ADAPTER_CONDITION = "adapter.condition";
+
+    private Logger logger = LoggerFactory.getLogger(AdapterWebConsolePlugin.class);
+
+    private List<AdaptableDescription> allAdaptables;
+    private Map<Object, AdaptableDescription> adapterServices;
+    private Map<Bundle, List<AdaptableDescription>> adapterBundles;
+
+    private ServiceTracker adapterTracker;
+
+    private BundleContext bundleContext;
+
+    public Object addingService(ServiceReference reference) {
+        Object service = this.bundleContext.getService(reference);
+        final String[] adapters = OsgiUtil.toStringArray(reference.getProperty(ADAPTER_CLASSES));
+        final String condition = OsgiUtil.toString(reference.getProperty(ADAPTER_CONDITION), null);
+        for (final String adaptable : OsgiUtil.toStringArray(reference.getProperty(ADAPTABLE_CLASSES))) {
+            adapterServices.put(service,
+                    new AdaptableDescription(reference.getBundle(), adaptable, adapters, condition));
+        }
+        update();
+        return service;
+    }
+
+    public void bundleChanged(BundleEvent event) {
+        if (event.getType() == BundleEvent.STOPPED) {
+            removeBundle(event.getBundle());
+        } else if (event.getType() == BundleEvent.STARTED) {
+            addBundle(event.getBundle());
+        }
+    }
+
+    public void modifiedService(ServiceReference reference, Object service) {
+        final String[] adapters = OsgiUtil.toStringArray(reference.getProperty(ADAPTER_CLASSES));
+        final String condition = OsgiUtil.toString(reference.getProperty(ADAPTER_CONDITION), null);
+        for (final String adaptable : OsgiUtil.toStringArray(reference.getProperty(ADAPTABLE_CLASSES))) {
+            adapterServices.put(service,
+                    new AdaptableDescription(reference.getBundle(), adaptable, adapters, condition));
+        }
+        update();
+    }
+
+    public void removedService(ServiceReference reference, Object service) {
+        adapterServices.remove(service);
+    }
+
+    @SuppressWarnings("unchecked")
+    private void addBundle(Bundle bundle) {
+        List<AdaptableDescription> descs = new ArrayList<AdaptableDescription>();
+        try {
+            Enumeration<URL> files = bundle.getResources("SLING-INF/adapters.json");
+            if (files != null) {
+                while (files.hasMoreElements()) {
+                    InputStream stream = files.nextElement().openStream();
+                    String contents = IOUtils.toString(stream);
+                    IOUtils.closeQuietly(stream);
+                    JSONObject obj = new JSONObject(contents);
+                    for (Iterator<String> adaptableNames = obj.keys(); adaptableNames.hasNext();) {
+                        String adaptableName = adaptableNames.next();
+                        JSONObject adaptable = obj.getJSONObject(adaptableName);
+                        for (Iterator<String> conditions = adaptable.keys(); conditions.hasNext();) {
+                            String condition = conditions.next();
+                            String[] adapters;
+                            Object value = adaptable.get(condition);
+                            if (value instanceof JSONArray) {
+                                adapters = toStringArray((JSONArray) value);
+                            } else {
+                                adapters = new String[] { value.toString() };
+                            }
+                            descs.add(new AdaptableDescription(bundle, adaptableName, adapters, condition));
+                        }
+                    }
+                }
+            }
+            if (!descs.isEmpty()) {
+                adapterBundles.put(bundle, descs);
+                update();
+            }
+        } catch (IOException e) {
+            logger.error("Unable to load adapter descriptors for bundle " + bundle, e);
+        } catch (JSONException e) {
+            logger.error("Unable to load adapter descriptors for bundle " + bundle, e);
+        }
+
+    }
+
+    private String[] toStringArray(JSONArray value) throws JSONException {
+        List<String> result = new ArrayList<String>(value.length());
+        for (int i = 0; i < value.length(); i++) {
+            result.add(value.getString(i));
+        }
+        return result.toArray(new String[value.length()]);
+    }
+
+    private void removeBundle(Bundle bundle) {
+        adapterBundles.remove(bundle);
+        update();
+    }
+
+    private void update() {
+        final List<AdaptableDescription> newList = new ArrayList<AdaptableDescription>();
+        newList.addAll(adapterServices.values());
+        for (final List<AdaptableDescription> list : adapterBundles.values()) {
+            newList.addAll(list);
+        }
+        Collections.sort(newList);
+        allAdaptables = newList;
+    }
+
+    protected void activate(ComponentContext ctx) throws InvalidSyntaxException {
+        this.bundleContext = ctx.getBundleContext();
+        this.adapterServices = new HashMap<Object, AdaptableDescription>();
+        this.adapterBundles = new HashMap<Bundle, List<AdaptableDescription>>();
+        for (Bundle bundle : this.bundleContext.getBundles()) {
+            if (bundle.getState() == Bundle.ACTIVE) {
+                addBundle(bundle);
+            }
+        }
+
+        this.bundleContext.addBundleListener(this);
+        Filter filter = this.bundleContext.createFilter("(&(adaptables=*)(adapters=*))");
+        this.adapterTracker = new ServiceTracker(this.bundleContext, filter, this);
+        this.adapterTracker.open();
+    }
+
+    protected void deactivate(ComponentContext ctx) {
+        this.adapterTracker.close();
+        this.adapterServices = null;
+        this.adapterBundles = null;
+    }
+
+    @Override
+    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
+        if (req.getPathInfo().endsWith("/data.json")) {
+            getJson(resp);
+        } else {
+            getHtml(resp);
+        }
+
+    }
+
+    private void getJson(final HttpServletResponse resp) throws ServletException, IOException {
+        resp.setContentType("application/json");
+        try {
+            final JSONObject obj = new JSONObject();
+            for (final AdaptableDescription desc : allAdaptables) {
+                final JSONObject adaptableObj;
+                if (obj.has(desc.adaptable)) {
+                    adaptableObj = obj.getJSONObject(desc.adaptable);
+                } else {
+                    adaptableObj = new JSONObject();
+                    obj.put(desc.adaptable, adaptableObj);
+                }
+                for (final String adapter : desc.adapters) {
+                    adaptableObj.accumulate(desc.condition == null ? "" : desc.condition, adapter);
+                }
+
+            }
+            resp.getWriter().println(obj.toString(INDENT));
+        } catch (JSONException e) {
+            throw new ServletException("Unable to produce JSON", e);
+        }
+    }
+
+    private void getHtml(HttpServletResponse resp) throws IOException {
+        final PrintWriter writer = resp.getWriter();
+        writer.println("<p class=\"statline ui-state-highlight\">${Introduction}</p>");
+        writer.println("<p>${intro}</p>");
+        writer.println("<p class=\"statline ui-state-highlight\">${How to Use This Information}</p>");
+        writer.println("<p>${usage}</p>");
+        writer.println("<table class=\"adapters nicetable\">");
+        writer.println("<thead><tr><th class=\"header\">${Adaptable Class}</th><th class=\"header\">${Adapter Class}</th><th class=\"header\">${Condition}</th><th class=\"header\">${Providing Bundle}</th></tr></thead>");
+        String rowClass = "odd";
+        for (final AdaptableDescription desc : allAdaptables) {
+            writer.printf("<tr class=\"%s ui-state-default\"><td>%s</td>", rowClass, desc.adaptable);
+            writer.print("<td>");
+            for (final String adapter : desc.adapters) {
+                writer.print(adapter);
+                writer.print("<br/>");
+            }
+            writer.print("</td>");
+            if (desc.condition == null) {
+                writer.print("<td>&nbsp;</td>");
+            } else {
+                writer.printf("<td>%s</td>", desc.condition);
+            }
+            writer.printf("<td><a href=\"${pluginRoot}/../bundles/%s\">%s (%s)</a></td>", desc.bundle.getBundleId(),
+                    desc.bundle.getSymbolicName(), desc.bundle.getBundleId());
+            writer.println("</tr>");
+
+            if (rowClass.equals("odd")) {
+                rowClass = "even";
+            } else {
+                rowClass = "odd";
+            }
+        }
+        writer.println("</table>");
+    }
+
+    public void printConfiguration(final PrintWriter pw) {
+        pw.println("Current Apache Sling Adaptables:");
+        for (final AdaptableDescription desc : allAdaptables) {
+            pw.printf("Adaptable: %s\n", desc.adaptable);
+            if (desc.condition != null) {
+                pw.printf("Condition: %s\n", desc.condition);
+            }
+            pw.printf("Providing Bundle: %s\n", desc.bundle.getSymbolicName());
+            pw.printf("Available Adapters:\n");
+            for (final String adapter : desc.adapters) {
+                pw.print(" * ");
+                pw.println(adapter);
+            }
+            pw.println();
+        }
+    }
+
+    /**
+     * Method to retreive static resources from this bundle.
+     */
+    @SuppressWarnings("unused")
+    private URL getResource(String path) {
+        if (path.startsWith("/adapters/res/ui/")) {
+            return this.getClass().getResource(path.substring(9));
+        }
+        return null;
+    }
+
+    class AdaptableDescription implements Comparable<AdaptableDescription> {
+        private final String adaptable;
+        private final String[] adapters;
+        private final String condition;
+        private final Bundle bundle;
+
+        public AdaptableDescription(final Bundle bundle, final String adaptable, final String[] adapters,
+                final String condition) {
+            this.adaptable = adaptable;
+            this.adapters = adapters;
+            this.condition = condition;
+            this.bundle = bundle;
+        }
+
+        @Override
+        public String toString() {
+            return "AdapterDescription [adaptable=" + this.adaptable + ", adapters=" + Arrays.toString(this.adapters)
+                    + ", condition=" + this.condition + ", bundle=" + this.bundle + "]";
+        }
+
+        public int compareTo(AdaptableDescription o) {
+            return new CompareToBuilder().append(this.adaptable, o.adaptable).append(this.condition, o.condition)
+                    .append(this.adapters.length, o.adapters.length)
+                    .append(this.bundle.getBundleId(), o.bundle.getBundleId()).toComparison();
+        }
+
+    }
+
+}

Added: sling/trunk/bundles/extensions/adapter/src/main/resources/OSGI-INF/l10n/bundle.properties
URL: http://svn.apache.org/viewvc/sling/trunk/bundles/extensions/adapter/src/main/resources/OSGI-INF/l10n/bundle.properties?rev=1209335&view=auto
==============================================================================
--- sling/trunk/bundles/extensions/adapter/src/main/resources/OSGI-INF/l10n/bundle.properties (added)
+++ sling/trunk/bundles/extensions/adapter/src/main/resources/OSGI-INF/l10n/bundle.properties Fri Dec  2 02:50:12 2011
@@ -0,0 +1,20 @@
+#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.
+intro=The following table lists a set of possible adaptations which can be done using the adaptTo() method. \
+ Because this table relies on additional metadata, it may not be exhaustive. If you know of an adaptation which \
+ is not listed here, please contact the provider of the adaptable.
+usage=The first column represents the adaptable, i.e. the object which you have. The second column \
+ lists the possible classes to which you can adapt that object. The third column lists any conditions \
+ which restrict when this adaptation can be made.
\ No newline at end of file

Added: sling/trunk/bundles/extensions/adapter/src/main/resources/res/ui/adapters.css
URL: http://svn.apache.org/viewvc/sling/trunk/bundles/extensions/adapter/src/main/resources/res/ui/adapters.css?rev=1209335&view=auto
==============================================================================
--- sling/trunk/bundles/extensions/adapter/src/main/resources/res/ui/adapters.css (added)
+++ sling/trunk/bundles/extensions/adapter/src/main/resources/res/ui/adapters.css Fri Dec  2 02:50:12 2011
@@ -0,0 +1,20 @@
+/*
+ * 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.
+ */
+ 
+table.adapters tr .header {
+	background-image: none;
+}
\ No newline at end of file

Modified: sling/trunk/launchpad/builder/src/main/bundles/list.xml
URL: http://svn.apache.org/viewvc/sling/trunk/launchpad/builder/src/main/bundles/list.xml?rev=1209335&r1=1209334&r2=1209335&view=diff
==============================================================================
--- sling/trunk/launchpad/builder/src/main/bundles/list.xml (original)
+++ sling/trunk/launchpad/builder/src/main/bundles/list.xml Fri Dec  2 02:50:12 2011
@@ -96,7 +96,7 @@
         <bundle>
             <groupId>org.apache.sling</groupId>
             <artifactId>org.apache.sling.adapter</artifactId>
-            <version>2.0.8</version>
+            <version>2.0.9-SNAPSHOT</version>
         </bundle>
         <bundle>
             <groupId>org.apache.sling</groupId>