Java tutorial
/* * JBoss by Red Hat * Copyright 2006-2009, Red Hat Middleware, LLC, and individual contributors as indicated * by the @authors tag. See the copyright.txt in the distribution for a * full listing of individual contributors. * * This is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation; either version 2.1 of * the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this software; if not, write to the Free * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA, or see the FSF site: http://www.fsf.org. */ package org.jboss.ide.eclipse.freemarker.linetracker; import java.util.ArrayList; import java.util.List; 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.resources.ResourcesPlugin; import org.eclipse.core.runtime.CoreException; import org.eclipse.debug.ui.console.FileLink; import org.eclipse.debug.ui.console.IConsole; import org.eclipse.debug.ui.console.IConsoleLineTracker; import org.eclipse.jdt.core.IJavaProject; import org.eclipse.jdt.core.JavaCore; import org.eclipse.jdt.core.JavaModelException; import org.eclipse.jface.text.BadLocationException; import org.eclipse.jface.text.IRegion; import org.eclipse.ui.console.IHyperlink; import org.jboss.ide.eclipse.freemarker.Plugin; /** * @author <a href="mailto:joe&binamics.net">Joe Hudson </a> */ public class ConsoleLineTracker implements IConsoleLineTracker { private IConsole console; // This assumes console parsing in English only private static final String CHECK = "freemarker"; //$NON-NLS-1$ private static final String CHECK_LINE = "line:"; //$NON-NLS-1$ private static final String CHECK_LINE2 = "on line "; //$NON-NLS-1$ private static final String CHECK_TEMPLATE = "template:"; //$NON-NLS-1$ private static final String CHECK_TEMPLATE2 = " in "; //$NON-NLS-1$ @Override public void init(IConsole cons) { this.console = cons; } @Override public void lineAppended(IRegion line) { try { String text = console.getDocument().get(line.getOffset(), line.getLength()); if (text.indexOf(CHECK) >= 0) { // it might relate to us int i1 = text.lastIndexOf(CHECK_TEMPLATE); if (i1 < 0) { int i2 = text.lastIndexOf(CHECK_LINE2); if (i2 >= 0) { i1 = text.indexOf(CHECK_TEMPLATE2, i2); i1 -= 6; } } if (i1 > 0) { // this is most likely an error message int linkOffset = i1 + 10; int linkLength = text.length() - linkOffset; String fileName = text.substring(linkOffset, text.length()).trim(); if (fileName.endsWith(".")) //$NON-NLS-1$ fileName = fileName.substring(0, fileName.length() - 1); int lineNumber = -1; try { int i2 = text.lastIndexOf(CHECK_LINE); if (i2 > 0) { i2 += CHECK_LINE.length(); int i3 = text.indexOf(",", i2); //$NON-NLS-1$ if (i3 > 0) { lineNumber = Integer.parseInt(text.substring(i2, i3).trim()); } } else { i2 = text.lastIndexOf(CHECK_LINE2); if (i2 > 0) { i2 += CHECK_LINE2.length(); int i3 = text.indexOf(",", i2); //$NON-NLS-1$ if (i3 > 0) { lineNumber = Integer.parseInt(text.substring(i2, i3).trim()); } } } } catch (Exception e) { Plugin.log(e); // we can still proceed if we don't get the line number } IProject[] projects = ResourcesPlugin.getWorkspace().getRoot().getProjects(); List<IResource> files = new ArrayList<IResource>(); for (int i = 0; i < projects.length; i++) { IProject project = projects[i]; //FIXME: javaProject is not used. Fid out if it can be removed or if it should be // used in populateMatchingFiles() IJavaProject javaProject = JavaCore.create(project); fileName = fileName.replace('\\', '/'); try { populateMatchingFiles(project, files, fileName.split("/")); //$NON-NLS-1$ } catch (CoreException e) { Plugin.log(e); // TODO log this exception } } if (files.size() != 0) { IFile file = (IFile) files.get(0); if (file != null && file.exists()) { IHyperlink link = new FileLink(file, null, -1, -1, lineNumber); console.addLink(link, linkOffset, linkLength); } } } } } catch (BadLocationException e) { Plugin.log(e); } } public void populateMatchingFiles(IContainer container, List<IResource> files, String[] fileNameSeq) throws CoreException { IResource[] resources = container.members(); for (int i = 0; i < resources.length; i++) { IResource resource = resources[i]; if (resource instanceof IContainer) { populateMatchingFiles((IContainer) resource, files, fileNameSeq); } else if (resource instanceof IFile) { if (isCorrectFile((IFile) resource, fileNameSeq)) { boolean doAdd = true; try { IJavaProject javaProject = JavaCore.create(resource.getProject()); if (javaProject.getOutputLocation().isPrefixOf(((IFile) resource).getFullPath())) doAdd = false; } catch (JavaModelException e) { Plugin.log(e); } if (doAdd) files.add(resource); } } } } private static boolean isCorrectFile(IFile file, String[] filenameSeqs) { IResource temp = file; for (int i = filenameSeqs.length - 1; i >= 0; i--) { String seq = filenameSeqs[i]; if (!seq.equals(temp.getName())) { return false; } temp = temp.getParent(); } return true; } @Override public void dispose() { } }