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/*******************************************************************************
* Copyright (c) 2008-2010 Sonatype, Inc.
* 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:
* Sonatype, Inc. - initial API and implementation
*******************************************************************************/
package org.eclipse.m2e.tests.common;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Comparator;
import java.util.List;
import java.util.SortedMap;
import java.util.TreeMap;
import junit.framework.Assert;
import org.eclipse.core.resources.IMarker;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IWorkspace;
import org.eclipse.core.resources.IWorkspaceRunnable;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.core.runtime.OperationCanceledException;
import org.eclipse.core.runtime.Status;
import org.codehaus.plexus.util.FileUtils;
import org.eclipse.m2e.core.core.IMavenConstants;
public class WorkspaceHelpers {
public static void cleanWorkspace() throws InterruptedException, CoreException {
Exception cause = null;
int i;
for(i = 0; i < 10; i++ ) {
try {
System.gc();
doCleanWorkspace();
} catch(InterruptedException e) {
throw e;
} catch(OperationCanceledException e) {
throw e;
} catch(Exception e) {
cause = e;
e.printStackTrace();
System.out.println(i);
Thread.sleep(6 * 1000);
continue;
}
// all clear
return;
}
// must be a timeout
throw new CoreException(new Status(IStatus.ERROR, IMavenConstants.PLUGIN_ID,
"Could not delete workspace resources (after " + i + " retries): "
+ Arrays.asList(ResourcesPlugin.getWorkspace().getRoot().getProjects()), cause));
}
private static void doCleanWorkspace() throws InterruptedException, CoreException, IOException {
final IWorkspace workspace = ResourcesPlugin.getWorkspace();
workspace.run(new IWorkspaceRunnable() {
public void run(IProgressMonitor monitor) throws CoreException {
IProject[] projects = workspace.getRoot().getProjects();
for(int i = 0; i < projects.length; i++ ) {
projects[i].delete(true, true, monitor);
}
}
}, new NullProgressMonitor());
JobHelpers.waitForJobsToComplete(new NullProgressMonitor());
File[] files = workspace.getRoot().getLocation().toFile().listFiles();
if(files != null) {
for(File file : files) {
if(!".metadata".equals(file.getName())) {
if(file.isDirectory()) {
FileUtils.deleteDirectory(file);
} else {
if(!file.delete()) {
throw new IOException("Could not delete file " + file.getCanonicalPath());
}
}
}
}
}
}
public static String toString(IMarker[] markers) {
if (markers != null) {
return toString(Arrays.asList(markers));
}
return "";
}
public static String toString(List<IMarker> markers) {
String sep = "";
StringBuilder sb = new StringBuilder();
if (markers != null) {
for(IMarker marker : markers) {
try {
sb.append(sep).append(toString(marker));
} catch(CoreException ex) {
// ignore
}
sep = ", ";
}
}
return sb.toString();
}
protected static String toString(IMarker marker) throws CoreException {
return "Type=" + marker.getType() + ":Message=" + marker.getAttribute(IMarker.MESSAGE) + ":LineNumber="
+ marker.getAttribute(IMarker.LINE_NUMBER);
}
public static List<IMarker> findMarkers(IProject project, int targetSeverity)
throws CoreException {
return findMarkers(project, targetSeverity, null /*withAttribute*/);
}
public static List<IMarker> findMarkers(IProject project, int targetSeverity, String withAttribute)
throws CoreException {
SortedMap<IMarker, IMarker> errors = new TreeMap<IMarker, IMarker>(new Comparator<IMarker>() {
public int compare(IMarker o1, IMarker o2) {
int lineNumber1 = o1.getAttribute(IMarker.LINE_NUMBER, -1);
int lineNumber2 = o2.getAttribute(IMarker.LINE_NUMBER, -1);
if(lineNumber1 < lineNumber2) {
return -1;
}
if(lineNumber1 > lineNumber2) {
return 1;
}
// Markers on the same line
String message1 = o1.getAttribute(IMarker.MESSAGE, "");
String message2 = o2.getAttribute(IMarker.MESSAGE, "");
return message1.compareTo(message2);
}
});
for(IMarker marker : project.findMarkers(null /* all markers */, true /* subtypes */, IResource.DEPTH_INFINITE)) {
int severity = marker.getAttribute(IMarker.SEVERITY, 0);
if(severity != targetSeverity) {
continue;
}
if(withAttribute != null) {
String attribute = marker.getAttribute(withAttribute, null);
if(attribute == null) {
continue;
}
}
errors.put(marker, marker);
}
List<IMarker> result = new ArrayList<IMarker>();
result.addAll(errors.keySet());
return result;
}
public static List<IMarker> findErrorMarkers(IProject project) throws CoreException {
return findMarkers(project, IMarker.SEVERITY_ERROR);
}
public static void assertNoErrors(IProject project) throws CoreException {
List<IMarker> markers = findErrorMarkers(project);
Assert.assertEquals("Unexpected error markers " + toString(markers), 0, markers.size());
}
public static void assertErrorMarker(String type, String message, Integer lineNumber, IProject project)
throws Exception {
List<IMarker> errorMarkers = WorkspaceHelpers.findErrorMarkers(project);
Assert.assertNotNull(errorMarkers);
Assert.assertEquals(WorkspaceHelpers.toString(errorMarkers), 1, errorMarkers.size());
assertErrorMarker(type, message, lineNumber, errorMarkers.get(0));
}
public static void assertErrorMarker(String type, String message, Integer lineNumber, IMarker actual)
throws Exception {
Assert.assertNotNull("Expected not null error marker", actual);
String sMarker = toString(actual);
Assert.assertEquals(sMarker, type, actual.getType());
String actualMessage = actual.getAttribute(IMarker.MESSAGE, "");
Assert.assertTrue(sMarker, actualMessage.startsWith(message));
if(lineNumber != null) {
Assert.assertEquals(sMarker, lineNumber, actual.getAttribute(IMarker.LINE_NUMBER));
}
if(type != null && type.startsWith(IMavenConstants.MARKER_ID)) {
Assert.assertEquals(sMarker, false, actual.getAttribute(IMarker.TRANSIENT));
}
}
}
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