| /******************************************************************************* |
| * Copyright (c) 2004, 2011 Tasktop Technologies 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: |
| * Tasktop Technologies - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.mylyn.internal.java.tasks; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| |
| import org.eclipse.jface.text.IRegion; |
| import org.eclipse.jface.text.ITextViewer; |
| import org.eclipse.jface.text.Region; |
| import org.eclipse.jface.text.hyperlink.IHyperlink; |
| import org.eclipse.mylyn.tasks.ui.AbstractTaskHyperlinkDetector; |
| |
| /** |
| * @author Rob Elves |
| * @author Steffen Pingel |
| */ |
| public class JavaStackTraceHyperlinkDetector extends AbstractTaskHyperlinkDetector { |
| |
| private static final Pattern stackTracePattern = Pattern.compile("\\S*\\(([\\w\\$]*\\.java:\\d*)\\)", //$NON-NLS-1$ |
| Pattern.CASE_INSENSITIVE); |
| |
| private static IRegion determineRegion(int textOffset, Matcher m, int group) { |
| return new Region(textOffset + m.start(group), m.end(group) - m.start(group)); |
| } |
| |
| private static boolean isInRegion(int offsetInText, Matcher m) { |
| return (offsetInText == -1) || (offsetInText >= m.start() && offsetInText <= m.end()); |
| } |
| |
| @Override |
| protected List<IHyperlink> detectHyperlinks(ITextViewer textViewer, String content, int offsetInContent, |
| int contentOffset) { |
| List<IHyperlink> links = null; |
| Matcher m = stackTracePattern.matcher(content); |
| while (m.find()) { |
| if (isInRegion(offsetInContent, m)) { |
| if (links == null) { |
| links = new ArrayList<IHyperlink>(); |
| } |
| links.add(new JavaStackTraceFileHyperlink(determineRegion(contentOffset, m, 0), m.group(), |
| determineRegion(contentOffset, m, 1))); |
| } |
| } |
| return links; |
| } |
| |
| // private static final Pattern stackTracePattern = Pattern.compile("\\S*\\.java:\\d*\\)", Pattern.CASE_INSENSITIVE); |
| // |
| // public IHyperlink[] detectHyperlinks(ITextViewer textViewer, IRegion region, boolean canShowMultipleHyperlinks) { |
| // IDocument document = textViewer.getDocument(); |
| // if (document == null) { |
| // return null; |
| // } |
| // |
| // IRegion lineInfo; |
| // String line; |
| // try { |
| // lineInfo = document.getLineInformationOfOffset(region.getOffset()); |
| // line = document.get(lineInfo.getOffset(), lineInfo.getLength()); |
| // } catch (BadLocationException ex) { |
| // return null; |
| // } |
| // |
| // Matcher m = stackTracePattern.matcher(line); |
| // if (m.find()) { |
| // IRegion urlRegion = new Region(lineInfo.getOffset() + m.start(), m.end() - m.start()); |
| // return new IHyperlink[] { new JavaStackTraceFileHyperlink(urlRegion, m.group()) }; |
| // } |
| // |
| // return null; |
| // } |
| |
| } |