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/***********************************************************************
* Copyright (c) 2008 by SAP AG, Walldorf.
* 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:
* SAP AG - initial API and implementation
***********************************************************************/
package org.eclipse.jst.jee.ui.internal.navigator;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResourceChangeEvent;
import org.eclipse.core.resources.IResourceDelta;
import org.eclipse.core.resources.IResourceDeltaVisitor;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
import org.eclipse.jst.j2ee.componentcore.util.EARVirtualComponent;
import org.eclipse.jst.j2ee.internal.J2EEVersionConstants;
import org.eclipse.jst.j2ee.internal.project.J2EEProjectUtilities;
import org.eclipse.jst.j2ee.model.ModelProviderManager;
import org.eclipse.jst.j2ee.project.JavaEEProjectUtilities;
import org.eclipse.jst.javaee.application.Application;
import org.eclipse.jst.jee.ui.internal.navigator.ear.AbstractEarNode;
import org.eclipse.jst.jee.ui.internal.navigator.ear.GroupEARProvider;
import org.eclipse.jst.jee.ui.plugin.JEEUIPlugin;
import org.eclipse.wst.common.componentcore.ComponentCore;
import org.eclipse.wst.common.componentcore.internal.util.IModuleConstants;
import org.eclipse.wst.common.componentcore.resources.IVirtualComponent;
import org.eclipse.wst.common.componentcore.resources.IVirtualReference;
import org.eclipse.wst.common.project.facet.core.IFacetedProject;
import org.eclipse.wst.common.project.facet.core.ProjectFacetsManager;
/**
* Application Client 5.0 Content provider is Deployment Descriptor content provider,
* used for constructing of the descriptor tree in project explorer.
*
* @author Dimitar Giormov
*/
public class Ear5ContentProvider extends JEE5ContentProvider {
public final static String EAR_DEFAULT_LIB = "/lib"; //$NON-NLS-1$
private List getComponentReferencesAsList(List componentTypes, IVirtualComponent virtualComponent, IPath runtimePath) {
List components = new ArrayList();
IVirtualComponent earComponent = virtualComponent;
if (earComponent != null ) {
IVirtualReference[] refComponents = earComponent.getReferences();
for (int i = 0; i < refComponents.length; i++) {
IVirtualComponent module = refComponents[i].getReferencedComponent();
if (module == null) continue;
// if component types passed in is null then return all components
if (componentTypes == null || componentTypes.size() == 0) {
components.add(refComponents[i]);
} else {
if (componentTypes.contains(JavaEEProjectUtilities.getJ2EEComponentType(module))) {
components.add(refComponents[i]);
}
}
}
}
return components;
}
public IVirtualReference[] getUtilityModuleReferences(IVirtualComponent component) {
List explicitUtilityReferences =
getComponentReferencesAsList(Collections.singletonList(J2EEProjectUtilities.UTILITY), component, null);
// fetch other Utility Jars attached to the EAR project
List implicitUtilityReferenceTypes =
Arrays.asList(new String[] {
IModuleConstants.JST_APPCLIENT_MODULE,
IModuleConstants.JST_WEB_MODULE,
IModuleConstants.JST_EJB_MODULE
});
List implicitUtilityReferences =
getComponentReferencesAsList(implicitUtilityReferenceTypes, component, null);
List allUtilityModuleReferences = new ArrayList();
allUtilityModuleReferences.addAll(explicitUtilityReferences);
allUtilityModuleReferences.addAll(implicitUtilityReferences);
if(allUtilityModuleReferences.size() > 0)
return (IVirtualReference[]) allUtilityModuleReferences.toArray(new IVirtualReference[allUtilityModuleReferences.size()]);
return new IVirtualReference[0];
}
public Object[] getChildren(Object aParentElement) {
IProject project = null;
List children = new ArrayList();
if (aParentElement instanceof GroupEARProvider) {
project = (IProject) ((GroupEARProvider)aParentElement).getProject();
IVirtualComponent projectComponent = ComponentCore.createComponent(project);
try {
IFacetedProject facetedProject = ProjectFacetsManager.create(project);
if (facetedProject != null &&
facetedProject.hasProjectFacet(
ProjectFacetsManager.getProjectFacet(IModuleConstants.JST_EAR_MODULE).getVersion(
J2EEVersionConstants.VERSION_5_0_TEXT))) {
List libs = getComponentReferencesAsList(Collections.singletonList(J2EEProjectUtilities.UTILITY), projectComponent,
new Path("/" + EAR_DEFAULT_LIB)); //$NON-NLS-1$
ArrayList bundledLibs = new ArrayList();
ArrayList appLibsInTheRoot = new ArrayList();
for (int i = 0; i < libs.size(); i++) {
IVirtualReference reference = (IVirtualReference) libs.get(i);
IPath runtimePath = reference.getRuntimePath();
if (runtimePath != null && runtimePath.segment(0) != null &&
// runtimePath.equals(new Path(EAR_DEFAULT_LIB))) {
!runtimePath.isRoot()) {
bundledLibs.add(libs.get(i));
} else {
appLibsInTheRoot.add(libs.get(i));
}
}
String libDir = EAR_DEFAULT_LIB;
if (J2EEProjectUtilities.isJEEProject(project)) {
String oldLibDir = ((Application)ModelProviderManager.getModelProvider(project).getModelObject()).getLibraryDirectory();
if (oldLibDir == null) oldLibDir = EAR_DEFAULT_LIB;
libDir = oldLibDir;
}
//
// List implicitUtilityReferenceTypes =
// Arrays.asList(new String[] {
// IModuleConstants.JST_APPCLIENT_MODULE,
// IModuleConstants.JST_WEB_MODULE,
// IModuleConstants.JST_EJB_MODULE,
// IModuleConstants.JST_CONNECTOR_MODULE});
//
// List modules = getComponentReferencesAsList(implicitUtilityReferenceTypes, projectComponent, new Path("/")); //$NON-NLS-1$
// ModulesNode modulesNode = new ModulesNode(project);
// children.add(modulesNode);
// children.add(bundledLibsNode);
}
} catch (CoreException e) {
String msg = "Error in the JEEContentProvider.getChildren() for parent:" + aParentElement; //$NON-NLS-1$
JEEUIPlugin.getDefault().logError(msg, e);
}
} else if (aParentElement instanceof AbstractEarNode) {
return ((AbstractEarNode) aParentElement).getModules().toArray();
} else if (aParentElement instanceof IAdaptable) {
project = (IProject) ((IAdaptable) aParentElement).getAdapter(IPROJECT_CLASS);
if (project != null && J2EEProjectUtilities.isEARProject(project)) {
IFacetedProject facetedProject;
try {
facetedProject = ProjectFacetsManager.create(project);
if (facetedProject != null &&
facetedProject.hasProjectFacet(
ProjectFacetsManager.getProjectFacet(IModuleConstants.JST_EAR_MODULE).getVersion(
J2EEVersionConstants.VERSION_5_0_TEXT))) {
GroupEARProvider element = (GroupEARProvider) getCachedContentProvider(project);
children.add(element);
}
} catch (CoreException e) {
String msg = "Error in the JEEContentProvider.getChildren() for parent:" + aParentElement; //$NON-NLS-1$
JEEUIPlugin.getDefault().logError(msg, e);
}
}
}
return children.toArray();
}
public boolean hasChildren(Object element) {
if (element instanceof AbstractEarNode) {
return ((AbstractEarNode) element).getModules().size() > 0;
} else if (element instanceof GroupEARProvider){
return true;
} else return false;
}
public Object getParent(Object object) {
if (object instanceof AbstractEarNode){
return ((AbstractEarNode) object).getEarProject();
}
return null;
}
public Object[] getElements(Object inputElement) {
return getChildren(inputElement);
}
@Override
protected AbstractGroupProvider getNewContentProviderInstance(IProject project) {
return new GroupEARProvider((Application) getCachedModelProvider(project).getModelObject(), (EARVirtualComponent)ComponentCore.createComponent(project));
}
public EarLibVisitor getVisitor() {
return new EarLibVisitor();
}
protected class EarLibVisitor implements IResourceDeltaVisitor {
private Set<IProject> projects = new HashSet<IProject>();
public boolean visit(IResourceDelta delta) throws CoreException {
IResourceDelta[] affectedChildren = delta.getAffectedChildren(IResourceDelta.ADDED | IResourceDelta.REMOVED | IResourceDelta.REPLACED);
if (affectedChildren != null){
for (int i = 0; i < affectedChildren.length; i++) {
if (affectedChildren[i].getResource() != null && affectedChildren[i].getResource().getName() != null
&& affectedChildren[i].getResource().getName().toLowerCase().endsWith(".jar")){ //$NON-NLS-1$
projects.add(affectedChildren[i].getResource().getProject());
}
}
}
return true;
}
protected Set<IProject> getChangedProject() {
return projects;
}
}
public void resourceChanged(IResourceChangeEvent event) {
super.resourceChanged(event);
if (event.getType() == IResourceChangeEvent.POST_CHANGE){
EarLibVisitor visitor = getVisitor();
if (visitor == null){
return;
}
try {
event.getDelta().accept(visitor);
Set<IProject> changedProject = visitor.getChangedProject();
for (IProject project : changedProject) {
projectChanged(project);
}
} catch (CoreException e) {
JEEUIPlugin.logError("Could not refresh changed project.", e); //$NON-NLS-1$
}
}
}
}
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