| /******************************************************************************* |
| * Copyright (c) 2009 Red Hat, Inc. |
| * Distributed under license by Red Hat, Inc. All rights reserved. |
| * This program is 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: |
| * Red Hat, Inc. - initial API and implementation |
| ******************************************************************************/ |
| package org.eclipse.wst.common.componentcore.internal.resources; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.HashMap; |
| |
| import org.eclipse.core.resources.IContainer; |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IPath; |
| import org.eclipse.wst.common.componentcore.resources.IVirtualFile; |
| import org.eclipse.wst.common.componentcore.resources.IVirtualResource; |
| |
| public class ResourceListVirtualFolder extends VirtualFolder { |
| |
| public interface ResourceFilter { |
| public boolean accepts(IResource resource); |
| } |
| |
| private ArrayList<IResource> children; |
| private ArrayList<IContainer> underlying; |
| private ResourceFilter filter; |
| public ResourceListVirtualFolder( |
| IProject aComponentProject, |
| IPath aRuntimePath) { |
| super(aComponentProject, aRuntimePath); |
| this.children = new ArrayList<IResource>(); |
| this.underlying = new ArrayList<IContainer>(); |
| } |
| |
| public ResourceListVirtualFolder( |
| IProject aComponentProject, |
| IPath aRuntimePath, IContainer[] underlyingContainers) { |
| this(aComponentProject, aRuntimePath); |
| addUnderlyingResource(underlyingContainers); |
| } |
| |
| public ResourceListVirtualFolder( |
| IProject aComponentProject, |
| IPath aRuntimePath, IContainer[] underlyingContainers, |
| IResource[] looseResources) { |
| this(aComponentProject, aRuntimePath, underlyingContainers); |
| addChildren(looseResources); |
| } |
| |
| public void setFilter(ResourceFilter filter) { |
| this.filter = filter; |
| } |
| |
| protected void addUnderlyingResource(IResource resource) { |
| if( resource instanceof IContainer ) { |
| underlying.add((IContainer)resource); |
| try { |
| IResource[] newChildren = ((IContainer)resource).members(); |
| for( int i = 0; i < newChildren.length; i++ ) { |
| children.add(newChildren[i]); |
| } |
| } catch( CoreException ce) { |
| // TODO log |
| } |
| } |
| } |
| |
| protected void addUnderlyingResource(IResource[] resources) { |
| for( int i = 0; i < resources.length; i++ ) { |
| addUnderlyingResource(resources[i]); |
| } |
| } |
| |
| protected void addChild(IResource resource) { |
| this.children.add(resource); |
| } |
| |
| protected void addChildren(IResource[] resources) { |
| this.children.addAll(Arrays.asList(resources)); |
| } |
| |
| @Override |
| public IResource getUnderlyingResource() { |
| return getUnderlyingFolder(); |
| } |
| |
| @Override |
| public IResource[] getUnderlyingResources() { |
| return getUnderlyingFolders(); |
| } |
| |
| @Override |
| public IContainer getUnderlyingFolder() { |
| return underlying.size() > 0 ? underlying.get(0) : null; |
| } |
| |
| @Override |
| public IContainer[] getUnderlyingFolders() { |
| return underlying.toArray(new IContainer[underlying.size()]); |
| } |
| |
| @Override |
| public IVirtualResource[] members(int memberFlags) throws CoreException { |
| HashMap<String, IVirtualResource> virtualResources = new HashMap<String, IVirtualResource>(); // result |
| IResource[] resources = this.children.toArray(new IResource[this.children.size()]); |
| for( int i = 0; i < resources.length; i++ ) { |
| handleResource(resources[i], virtualResources, memberFlags); |
| } |
| Collection c = virtualResources.values(); |
| return (IVirtualResource[]) c.toArray(new IVirtualResource[c.size()]); |
| } |
| |
| protected void handleResource(IResource resource, HashMap<String, IVirtualResource> map, int memberFlags) throws CoreException { |
| if( filter != null && !filter.accepts(resource)) |
| return; |
| |
| if( resource instanceof IFile ) { |
| if( !map.containsKey(resource.getName()) ) { |
| IVirtualFile virtFile = new VirtualFile(getProject(), |
| getRuntimePath().append(((IFile)resource).getName()), (IFile)resource); |
| map.put(resource.getName(), virtFile); |
| return; |
| } |
| }// end file |
| else if( resource instanceof IContainer ) { |
| IContainer realContainer = (IContainer) resource; |
| //IResource[] realChildResources = realContainer.members(memberFlags); |
| IVirtualResource previousValue = map.get(resource.getName()); |
| if( previousValue != null && previousValue instanceof ResourceListVirtualFolder ) { |
| ((ResourceListVirtualFolder)previousValue).addUnderlyingResource(realContainer); |
| } else if( previousValue == null ) { |
| ResourceListVirtualFolder childFolder = |
| new ResourceListVirtualFolder(getProject(), getRuntimePath().append(resource.getName())); |
| childFolder.addUnderlyingResource(realContainer); |
| if( filter != null ) |
| childFolder.setFilter(filter); |
| map.put(resource.getName(), childFolder); |
| } |
| } // end container |
| } |
| } |