| /******************************************************************************* |
| * Copyright (c) 2010 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.wst.jsdt.debug.internal.core.launching; |
| |
| import java.io.ByteArrayInputStream; |
| import java.net.URI; |
| import java.net.URISyntaxException; |
| |
| import org.eclipse.core.resources.IContainer; |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.resources.IFolder; |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.core.resources.IWorkspaceRoot; |
| import org.eclipse.core.resources.ResourcesPlugin; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IPath; |
| import org.eclipse.core.runtime.Path; |
| import org.eclipse.core.runtime.URIUtil; |
| import org.eclipse.debug.core.sourcelookup.AbstractSourceLookupParticipant; |
| import org.eclipse.wst.jsdt.debug.core.model.IJavaScriptStackFrame; |
| import org.eclipse.wst.jsdt.debug.core.model.IScript; |
| import org.eclipse.wst.jsdt.debug.internal.core.Constants; |
| import org.eclipse.wst.jsdt.debug.internal.core.JavaScriptDebugPlugin; |
| import org.eclipse.wst.jsdt.debug.internal.core.model.Script; |
| |
| /** |
| * Default source lookup participant |
| * |
| * @since 1.0 |
| */ |
| public class JavaScriptSourceLookupParticipant extends AbstractSourceLookupParticipant { |
| |
| static final Object[] NO_SOURCE = new Object[0]; |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.debug.core.sourcelookup.ISourceLookupParticipant#getSourceName(java.lang.Object) |
| */ |
| public String getSourceName(Object object) throws CoreException { |
| if (object instanceof IJavaScriptStackFrame) { |
| return ((IJavaScriptStackFrame) object).getSourceName(); |
| } |
| if(object instanceof IScript) { |
| return URIUtil.lastSegment(((IScript)object).sourceURI()); |
| } |
| return null; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.debug.core.sourcelookup.AbstractSourceLookupParticipant#findSourceElements(java.lang.Object) |
| */ |
| public Object[] findSourceElements(Object object) throws CoreException { |
| URI sourceURI = getSourceURI(object); |
| if (sourceURI != null) { |
| if (!sourceURI.isAbsolute() || "file".equals(sourceURI.getScheme())) {//$NON-NLS-1$ |
| IWorkspaceRoot workspaceRoot = ResourcesPlugin.getWorkspace().getRoot(); |
| URI workspaceURI = workspaceRoot.getRawLocationURI(); |
| URI workspaceRelativeURI = workspaceURI.relativize(sourceURI); |
| if (! workspaceRelativeURI.isAbsolute()) { |
| IFile file = (IFile) workspaceRoot.findMember(new Path(workspaceRelativeURI.getPath()), false); |
| if (file != null) { |
| return new IFile[] { file }; |
| } |
| } |
| } |
| //else show the temp source |
| return showExternalSource(getSource(object), sourceURI); |
| } |
| return NO_SOURCE; |
| } |
| |
| /** |
| * Returns the raw element source to use to display an external editor |
| * @param object |
| * @return the raw source or <code>null</code> |
| */ |
| private String getSource(Object object) { |
| if(object instanceof IJavaScriptStackFrame) { |
| IJavaScriptStackFrame jframe = (IJavaScriptStackFrame) object; |
| return jframe.getSource(); |
| } |
| if(object instanceof IScript) { |
| IScript script = (IScript) object; |
| return script.source(); |
| } |
| return null; |
| } |
| |
| /** |
| * Returns the URI to use to look up source |
| * @param object |
| * @return the URI or <code>null</code> |
| * @since 1.1 |
| */ |
| private URI getSourceURI(Object object) { |
| if(object instanceof IJavaScriptStackFrame) { |
| IJavaScriptStackFrame jframe = (IJavaScriptStackFrame) object; |
| try { |
| return URIUtil.fromString(jframe.getSourcePath()); |
| } catch (URISyntaxException e) { |
| JavaScriptDebugPlugin.log(e); |
| } |
| } |
| if(object instanceof IScript) { |
| IScript script = (IScript) object; |
| return script.sourceURI(); |
| } |
| return null; |
| } |
| |
| /** |
| * Shows the source in an external editor |
| * |
| * @param source |
| * @param path |
| * @return the collection of files to show in external editors |
| */ |
| private Object[] showExternalSource(String source, URI uri) { |
| if(source == null) { |
| return NO_SOURCE; |
| } |
| try { |
| IProject project = JavaScriptDebugPlugin.getExternalSourceProject(true); |
| String filename = Script.resolveName(uri); |
| String uriHash = Integer.toString(uri.toString().hashCode()); |
| String sourceHash = Integer.toString(source.hashCode()); |
| IPath path = new Path(uriHash).append(sourceHash).append(filename); |
| String ext = path.getFileExtension(); |
| if(ext == null || !Constants.JS_EXTENSION.equals(ext)) { |
| path = path.addFileExtension(Constants.JS_EXTENSION); |
| } |
| IFile file = project.getFile(path); |
| if(!file.isAccessible()) { |
| IContainer folder = project; |
| for (int i = 0; i < path.segmentCount()-1; i++) { |
| IFolder f = folder.getFolder(new Path(path.segment(i))); |
| if(!f.exists()) { |
| f.create(true, true, null); |
| } |
| folder = f; |
| } |
| file.create(new ByteArrayInputStream(source.getBytes()), true, null); |
| } |
| |
| if (JavaScriptDebugPlugin.getExternalScriptPath(path) == null) { |
| JavaScriptDebugPlugin.addExternalScriptPath(path, uri.toString()); |
| } |
| return new Object[] {file}; |
| |
| } catch (CoreException ce) { |
| JavaScriptDebugPlugin.log(ce); |
| return NO_SOURCE; |
| } |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.debug.core.sourcelookup.AbstractSourceLookupParticipant#isFindDuplicates() |
| */ |
| public boolean isFindDuplicates() { |
| return true; |
| } |
| } |