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/***************************************************************************************************
* Copyright (c) 2003, 2004 IBM Corporation and others. All rights reserved. This program and the
* accompanying materials are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors: IBM Corporation - initial API and implementation
**************************************************************************************************/
package org.eclipse.jst.j2ee.internal.web.operations;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IResourceChangeEvent;
import org.eclipse.core.resources.IResourceChangeListener;
import org.eclipse.core.resources.IResourceDelta;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.jst.j2ee.web.componentcore.util.WebArtifactEdit;
/*
* This class listens for renames of a web project's web content folder. If the folder is renamed,
* the .websettings files is updated as well as the Java output folder.
*/
public class WebContentResourceChangeListener implements IResourceChangeListener {
/**
* @see IResourceChangeListener#resourceChanged
*/
public void resourceChanged(final IResourceChangeEvent event) {
processDelta(event.getDelta());
}
private void processDelta(IResourceDelta delta) {
// Get the affected resource
IResource resource = delta.getResource();
switch (resource.getType()) {
case IResource.ROOT :
// Iterate over changed projects under the root
IResourceDelta[] affectedChildren = delta.getAffectedChildren(IResourceDelta.CHANGED);
for (int i = 0; i < affectedChildren.length; i++) {
processDelta(affectedChildren[i]);
}
break;
case IResource.PROJECT :
// Only process web projects
/* IBaseWebNature nature = ModuleCore.getModuleCoreNature(org.eclipse.emf.common.util.URI.createURI("ADD MODULE URI"));
if (nature != null)
processWebProject(delta, (IProject) resource, nature);*/
return;
default :
return;
}
}
/*
* If renaming web content folder, then updated project properties.
*/
private void processWebProject(IResourceDelta delta, IProject project) {
IResourceDelta[] changedChildren = delta.getAffectedChildren(IResourceDelta.CHANGED);
if (changedChildren.length == 1)
WebPropertiesUtil.synch(project, new NullProgressMonitor());
IResourceDelta[] removedChildren = delta.getAffectedChildren(IResourceDelta.REMOVED);
if (removedChildren.length != 1 || !removedChildren[0].getResource().equals(getModuleServerRoot(project)))
return;
IResourceDelta[] addedChildren = delta.getAffectedChildren(IResourceDelta.ADDED);
if (addedChildren.length != 1)
return;
IPath newPath = addedChildren[0].getProjectRelativePath();
if (newPath.segmentCount() != 1)
return;
String newName = newPath.segment(0);
try {
WebPropertiesUtil.updateWebContentNamePropertiesOnly(project, newName, new NullProgressMonitor());
} catch (CoreException e) {
//Ignore
}
}
protected IResource getModuleServerRoot(IProject project) {
WebArtifactEdit webEdit = null;
try {
//TODO migrate to workbench components
//webEdit = (WebArtifactEdit) StructureEdit.getFirstArtifactEditForRead(project);
return (IResource) webEdit.getDeploymentDescriptorResource();
} finally {
if (webEdit != null)
webEdit.dispose();
}
}
}
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