| /******************************************************************************* |
| * Copyright (c) 2000, 2015 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.jdt.launching.sourcelookup.containers; |
| |
| import java.util.HashMap; |
| import java.util.Iterator; |
| import java.util.Map; |
| |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IPath; |
| import org.eclipse.debug.core.sourcelookup.AbstractSourceLookupParticipant; |
| import org.eclipse.debug.core.sourcelookup.ISourceContainer; |
| import org.eclipse.debug.core.sourcelookup.ISourceLookupDirector; |
| import org.eclipse.debug.core.sourcelookup.containers.ArchiveSourceContainer; |
| import org.eclipse.jdt.core.IJavaProject; |
| import org.eclipse.jdt.core.IPackageFragmentRoot; |
| import org.eclipse.jdt.core.JavaCore; |
| import org.eclipse.jdt.core.JavaModelException; |
| import org.eclipse.jdt.internal.debug.core.JavaDebugUtils; |
| |
| /** |
| * A source lookup participant that searches for Java source code. |
| * <p> |
| * This class may be instantiated. |
| * </p> |
| * @since 3.0 |
| * @noextend This class is not intended to be sub-classed by clients. |
| */ |
| public class JavaSourceLookupParticipant extends AbstractSourceLookupParticipant { |
| |
| /** |
| * Map of delegate source containers for internal jars. |
| * Internal jars are translated to package fragment roots |
| * if possible. |
| */ |
| private Map<ISourceContainer, PackageFragmentRootSourceContainer> fDelegateContainers; |
| |
| /** |
| * Returns the source name associated with the given object, or <code>null</code> |
| * if none. |
| * |
| * @param object an object with an <code>IJavaStackFrame</code> adapter, an IJavaValue |
| * or an IJavaType |
| * @return the source name associated with the given object, or <code>null</code> |
| * if none |
| * @exception CoreException if unable to retrieve the source name |
| */ |
| @Override |
| public String getSourceName(Object object) throws CoreException { |
| return JavaDebugUtils.getSourceName(object); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.internal.core.sourcelookup.ISourceLookupParticipant#dispose() |
| */ |
| @Override |
| public void dispose() { |
| Iterator<PackageFragmentRootSourceContainer> iterator = fDelegateContainers.values().iterator(); |
| while (iterator.hasNext()) { |
| ISourceContainer container = iterator.next(); |
| container.dispose(); |
| } |
| fDelegateContainers = null; |
| super.dispose(); |
| |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.internal.core.sourcelookup.AbstractSourceLookupParticipant#getDelegateContainer(org.eclipse.debug.internal.core.sourcelookup.ISourceContainer) |
| */ |
| @Override |
| protected ISourceContainer getDelegateContainer(ISourceContainer container) { |
| ISourceContainer delegate = fDelegateContainers.get(container); |
| if (delegate == null) { |
| return container; |
| } |
| return delegate; |
| } |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.internal.core.sourcelookup.ISourceLookupParticipant#init(org.eclipse.debug.internal.core.sourcelookup.ISourceLookupDirector) |
| */ |
| @Override |
| public void init(ISourceLookupDirector director) { |
| super.init(director); |
| fDelegateContainers = new HashMap<>(); |
| } |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.internal.core.sourcelookup.ISourceLookupParticipant#sourceContainersChanged(org.eclipse.debug.internal.core.sourcelookup.ISourceLookupDirector) |
| */ |
| @Override |
| public void sourceContainersChanged(ISourceLookupDirector director) { |
| // use package fragment roots in place of local archives, where they exist |
| fDelegateContainers.clear(); |
| ISourceContainer[] containers = director.getSourceContainers(); |
| for (int i = 0; i < containers.length; i++) { |
| ISourceContainer container = containers[i]; |
| if (container.getType().getId().equals(ArchiveSourceContainer.TYPE_ID)) { |
| IFile file = ((ArchiveSourceContainer)container).getFile(); |
| IProject project = file.getProject(); |
| IJavaProject javaProject = JavaCore.create(project); |
| if (javaProject.exists()) { |
| try { |
| IPackageFragmentRoot[] roots = javaProject.getPackageFragmentRoots(); |
| for (int j = 0; j < roots.length; j++) { |
| IPackageFragmentRoot root = roots[j]; |
| if (file.equals(root.getUnderlyingResource())) { |
| // the root was specified |
| fDelegateContainers.put(container, new PackageFragmentRootSourceContainer(root)); |
| } else { |
| IPath path = root.getSourceAttachmentPath(); |
| if (path != null) { |
| if (file.getFullPath().equals(path)) { |
| // a source attachment to a root was specified |
| fDelegateContainers.put(container, new PackageFragmentRootSourceContainer(root)); |
| } |
| } |
| } |
| } |
| } catch (JavaModelException e) { |
| } |
| } |
| } |
| } |
| } |
| } |