First commit

.classpath

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+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.6"/>
+	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="output" path="bin"/>
+</classpath>

.project

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+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>se.ya2o.targetderivator</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.pde.ManifestBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.pde.SchemaBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.pde.PluginNature</nature>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+	</natures>
+</projectDescription>

.settings/org.eclipse.jdt.core.prefs

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+#Sat Jan 21 23:58:25 CET 2012
+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.6
+org.eclipse.jdt.core.compiler.compliance=1.6
+org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
+org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
+org.eclipse.jdt.core.compiler.source=1.6

META-INF/MANIFEST.MF

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+Manifest-Version: 1.0
+Bundle-ManifestVersion: 2
+Bundle-Name: Targetderivator
+Bundle-SymbolicName: se.ya2o.targetderivator; singleton:=true
+Bundle-Version: 1.0.0.qualifier
+Bundle-Activator: se.ya2o.targetderivator.Activator
+Bundle-Vendor: Yann Ollivier
+Require-Bundle: org.eclipse.ui,
+ org.eclipse.core.runtime
+Bundle-RequiredExecutionEnvironment: JavaSE-1.6
+Bundle-ActivationPolicy: lazy
+Import-Package: org.eclipse.core.resources

README

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+This Eclipse plugin (developped on Eclipse 3.7.1) is for Maven users who want to mark the target folders as derived resources.
+The point is to filter the derived resources when searching for resources (with i.e. Ctrl+Shift+R). After a mvn clean, the target
+folders are recreated, and the plugin will help to mark these new folders as derivated.
+

build.properties

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+source.. = src/
+output.. = bin/
+bin.includes = plugin.xml,\
+               META-INF/,\
+               .,\
+               icons/

plugin.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<?eclipse version="3.4"?>
+<plugin>
+
+   <extension
+         point="org.eclipse.ui.actionSets">
+      <actionSet
+            label="Sample Action Set"
+            visible="true"
+            id="se.ya2o.targetderivator.actionSet">
+         <menu
+               label="Sample &amp;Menu"
+               id="sampleMenu">
+            <separator
+                  name="sampleGroup">
+            </separator>
+         </menu>
+         <action
+               label="&amp;Sample Action"
+               icon="icons/Pointy.gif"
+               class="se.ya2o.targetderivator.actions.TargetDerivatorAction"
+               tooltip="Mark target folders as derived resources"
+               menubarPath="sampleMenu/sampleGroup"
+               toolbarPath="sampleGroup"
+               id="se.ya2o.targetderivator.actions.TargetDerivatorAction">
+         </action>
+      </actionSet>
+   </extension>
+
+</plugin>

src/se/ya2o/targetderivator/Activator.java

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+package se.ya2o.targetderivator;
+
+import org.eclipse.jface.resource.ImageDescriptor;
+import org.eclipse.ui.plugin.AbstractUIPlugin;
+import org.osgi.framework.BundleContext;
+
+/**
+ * The activator class controls the plug-in life cycle
+ */
+public class Activator extends AbstractUIPlugin {
+
+	// The plug-in ID
+	public static final String PLUGIN_ID = "se.ya2o.targetderivator"; //$NON-NLS-1$
+
+	// The shared instance
+	private static Activator plugin;
+
+	/**
+	 * The constructor
+	 */
+	public Activator() {
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * @see org.eclipse.ui.plugin.AbstractUIPlugin#start(org.osgi.framework.BundleContext)
+	 */
+	public void start(BundleContext context) throws Exception {
+		super.start(context);
+		plugin = this;
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * @see org.eclipse.ui.plugin.AbstractUIPlugin#stop(org.osgi.framework.BundleContext)
+	 */
+	public void stop(BundleContext context) throws Exception {
+		plugin = null;
+		super.stop(context);
+	}
+
+	/**
+	 * Returns the shared instance
+	 *
+	 * @return the shared instance
+	 */
+	public static Activator getDefault() {
+		return plugin;
+	}
+
+	/**
+	 * Returns an image descriptor for the image file at the given
+	 * plug-in relative path
+	 *
+	 * @param path the path
+	 * @return the image descriptor
+	 */
+	public static ImageDescriptor getImageDescriptor(String path) {
+		return imageDescriptorFromPlugin(PLUGIN_ID, path);
+	}
+}

src/se/ya2o/targetderivator/actions/TargetDerivatorAction.java

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+package se.ya2o.targetderivator.actions;
+
+import java.util.Arrays;
+import java.util.List;
+
+import org.eclipse.core.resources.IProject;
+import org.eclipse.core.resources.IResource;
+import org.eclipse.core.resources.IWorkspace;
+import org.eclipse.core.resources.ResourcesPlugin;
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.jface.action.IAction;
+import org.eclipse.jface.viewers.ISelection;
+import org.eclipse.ui.IWorkbenchWindow;
+import org.eclipse.ui.IWorkbenchWindowActionDelegate;
+import org.eclipse.jface.dialogs.MessageDialog;
+
+/**
+ * Our sample action implements workbench action delegate.
+ * The action proxy will be created by the workbench and
+ * shown in the UI. When the user tries to use the action,
+ * this delegate will be created and execution will be
+ * delegated to it.
+ * 
+ * @see IWorkbenchWindowActionDelegate
+ */
+public class TargetDerivatorAction implements IWorkbenchWindowActionDelegate
+{
+    private IWorkbenchWindow window;
+
+    /**
+     * The constructor.
+     */
+    public TargetDerivatorAction()
+    {}
+
+    /**
+     * The action has been activated. The argument of the
+     * method represents the 'real' action sitting
+     * in the workbench UI.
+     * 
+     * @see IWorkbenchWindowActionDelegate#run
+     */
+    @Override
+    public void run(IAction action)
+    {
+        //        MessageDialog.openInformation(
+        //                window.getShell(),
+        //                "Targetderivator",
+        //                "Marking target folders as derivated resources...");
+
+        IWorkspace workspace = ResourcesPlugin.getWorkspace();
+        List<IProject> projects = Arrays.asList(workspace.getRoot().getProjects());
+
+        IProgressMonitor monitor = new IProgressMonitor()
+        {
+
+            @Override
+            public void beginTask(String arg0, int arg1)
+            {}
+
+            @Override
+            public void done()
+            {}
+
+            @Override
+            public void internalWorked(double arg0)
+            {}
+
+            @Override
+            public boolean isCanceled()
+            {
+                return false;
+            }
+
+            @Override
+            public void setCanceled(boolean arg0)
+            {}
+
+            @Override
+            public void setTaskName(String arg0)
+            {}
+
+            @Override
+            public void subTask(String arg0)
+            {}
+
+            @Override
+            public void worked(int arg0)
+            {}
+        };
+
+        for(IProject project : projects)
+        {
+            if(project.isOpen())
+            {
+                try
+                {
+                    List<IResource> resources = Arrays.asList(project.members());
+                    for(IResource resource : resources)
+                    {
+                        if("target".equals(resource.getName()))
+                        {
+                            resource.setDerived(true, monitor);
+                        }
+                    }
+                }
+                catch(CoreException e)
+                {}
+            }
+        }
+
+    }
+
+    /**
+     * Selection in the workbench has been changed. We
+     * can change the state of the 'real' action here
+     * if we want, but this can only happen after
+     * the delegate has been created.
+     * 
+     * @see IWorkbenchWindowActionDelegate#selectionChanged
+     */
+    @Override
+    public void selectionChanged(IAction action, ISelection selection)
+    {}
+
+    /**
+     * We can use this method to dispose of any system
+     * resources we previously allocated.
+     * 
+     * @see IWorkbenchWindowActionDelegate#dispose
+     */
+    @Override
+    public void dispose()
+    {}
+
+    /**
+     * We will cache window object in order to
+     * be able to provide parent shell for the message dialog.
+     * 
+     * @see IWorkbenchWindowActionDelegate#init
+     */
+    @Override
+    public void init(IWorkbenchWindow window)
+    {
+        this.window = window;
+    }
+}