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/*******************************************************************************
* Copyright (c) 2004, 2007 Boeing.
* 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:
* Boeing - initial API and implementation
*******************************************************************************/
package org.eclipse.osee.framework.ui.workspacebundleloader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FilenameFilter;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.ArrayList;
import java.util.Collection;
import java.util.LinkedList;
import java.util.jar.Attributes;
import java.util.jar.Attributes.Name;
import java.util.jar.Manifest;
import java.util.logging.Level;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IProjectNature;
import org.eclipse.core.resources.IWorkspace;
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.osee.framework.logging.OseeLog;
/**
* @author Robert A. Fisher
*/
public class JarCollectionNature implements IProjectNature {
private final Name BUNDLE_PATH_ATTRIBUTE;
private boolean isClosing;
protected IProject project;
/**
* @param BUNDLE_PATH_ATTRIBUTE the name of the attribute in the MANIFEST.MF to look at when looking for the path to
* the jars being provided.
*/
public JarCollectionNature(String BUNDLE_PATH_ATTRIBUTE) {
super();
this.BUNDLE_PATH_ATTRIBUTE = new Name(BUNDLE_PATH_ATTRIBUTE);
this.isClosing = false;
}
/**
* @return the isClosing
*/
public boolean isClosing() {
return isClosing;
}
/**
* @param isClosing the isClosing to set
*/
public void setClosing(boolean isClosing) {
this.isClosing = isClosing;
}
@Override
public void configure() {
}
@Override
public void deconfigure() {
}
@Override
public IProject getProject() {
return project;
}
@Override
public void setProject(IProject project) {
this.project = project;
}
public Collection<URL> getBundles() {
Collection<URL> urls = new ArrayList<URL>();
if (isClosing) {
return urls;
}
IPath[] paths = getProjectRelativeBundlePaths();
for (IPath path : paths) {
IPath pluginsPath = project.getLocation().append(path);
File pluginDir = pluginsPath.toFile();
File[] jars = pluginDir.listFiles(new FilenameFilter() {
@Override
public boolean accept(File dir, String name) {
return name.endsWith(".jar");
}
});
if (jars != null) {
for (File jar : jars) {
try {
urls.add(jar.toURI().toURL());
} catch (MalformedURLException ex) {
OseeLog.log(JarCollectionNature.class, Level.SEVERE, ex);
}
}
}
}
return urls;
}
public IPath[] getProjectRelativeBundlePaths() {
Manifest manifest = getManifestFile();
Path[] paths;
Attributes mainAttributes = manifest.getMainAttributes();
String pathString;
if (mainAttributes.containsKey(BUNDLE_PATH_ATTRIBUTE)) {
pathString = mainAttributes.getValue(BUNDLE_PATH_ATTRIBUTE);
String[] tempPaths = pathString.split(",");
paths = new Path[tempPaths.length];
for (int i = 0; i < paths.length; i++) {
paths[i] = new Path(tempPaths[i].trim());
}
} else {
paths = new Path[1];
paths[0] = new Path("plugins");
}
return paths;
}
/**
* @return
*/
private Manifest getManifestFile() {
try {
File manifestFile = project.getLocation().append("META-INF").append("MANIFEST.MF").toFile();
if (manifestFile.exists()) {
return new Manifest(new FileInputStream(manifestFile));
} else {
return null;
}
} catch (Exception ex) {
ex.printStackTrace();
return null;
}
}
@SuppressWarnings("unchecked")
protected static <T extends JarCollectionNature> Collection<T> getWorkspaceProjects(String natureId, Class<T> clazz) throws CoreException {
IWorkspace workspace = ResourcesPlugin.getWorkspace();
IWorkspaceRoot workspaceRoot = workspace.getRoot();
IProject[] projects = workspaceRoot.getProjects();
Collection<T> natures = new LinkedList<T>();
for (IProject project : projects) {
if (project.isOpen()) {
IProjectNature nature = project.getNature(natureId);
if (nature != null) {
JarCollectionNature jarNature = (JarCollectionNature) nature;
natures.add((T) jarNature);
}
}
}
return natures;
}
}
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