| /******************************************************************************* |
| * Copyright (c) 2003, 2005 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.debug.internal.ui.sourcelookup; |
| |
| import java.io.IOException; |
| import java.io.StringReader; |
| |
| import javax.xml.parsers.DocumentBuilder; |
| import javax.xml.parsers.DocumentBuilderFactory; |
| import javax.xml.parsers.ParserConfigurationException; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.debug.core.sourcelookup.ISourceContainer; |
| import org.eclipse.debug.core.sourcelookup.containers.AbstractSourceContainerTypeDelegate; |
| import org.eclipse.debug.ui.sourcelookup.WorkingSetSourceContainer; |
| import org.eclipse.ui.IWorkingSet; |
| import org.eclipse.ui.PlatformUI; |
| import org.w3c.dom.Document; |
| import org.w3c.dom.Element; |
| import org.xml.sax.InputSource; |
| import org.xml.sax.SAXException; |
| import org.xml.sax.helpers.DefaultHandler; |
| |
| /** |
| * The factory for creating/restoring working set source containers. |
| * |
| * @since 3.0 |
| */ |
| public class WorkingSetSourceContainerType extends AbstractSourceContainerTypeDelegate { |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.internal.core.sourcelookup.ISourceContainerTypeDelegate#getMemento(org.eclipse.debug.internal.core.sourcelookup.ISourceContainer) |
| */ |
| public String getMemento(ISourceContainer container) throws CoreException { |
| WorkingSetSourceContainer workingSet = (WorkingSetSourceContainer) container; |
| Document doc = newDocument(); |
| Element node = doc.createElement("workingSet"); //$NON-NLS-1$ |
| node.setAttribute("name", workingSet.getName()); //$NON-NLS-1$ |
| doc.appendChild(node); |
| return serializeDocument(doc); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.internal.core.sourcelookup.ISourceContainerType#createSourceContainer(java.lang.String) |
| */ |
| public ISourceContainer createSourceContainer(String memento)throws CoreException { |
| IWorkingSet workingSet = null; |
| Exception ex = null; |
| try { |
| Element root = null; |
| DocumentBuilder parser = |
| DocumentBuilderFactory.newInstance().newDocumentBuilder(); |
| parser.setErrorHandler(new DefaultHandler()); |
| StringReader reader = new StringReader(memento); |
| InputSource source = new InputSource(reader); |
| root = parser.parse(source).getDocumentElement(); |
| |
| String name = root.getAttribute("name");//$NON-NLS-1$ |
| |
| if (isEmpty(name)) { |
| abort(SourceLookupUIMessages.sourceSearch_initError,null); |
| } |
| workingSet = PlatformUI.getWorkbench().getWorkingSetManager().getWorkingSet(name); |
| //check that set still exists |
| if (workingSet == null) { |
| abort(SourceLookupUIMessages.sourceSearch_initError, null); |
| } |
| return new WorkingSetSourceContainer(workingSet); |
| |
| } catch (ParserConfigurationException e) { |
| ex = e; |
| } catch (SAXException e) { |
| ex = e; |
| } catch (IOException e) { |
| ex = e; |
| } |
| |
| abort(SourceLookupUIMessages.sourceSearch_initError, ex); |
| return null; |
| } |
| |
| private boolean isEmpty(String string) { |
| return string == null || string.length() == 0; |
| } |
| |
| |
| } |