/*
* JBoss, Home of Professional Open Source
* Copyright 2005, JBoss Inc., 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.hibernate.eclipse.console.utils;
import java.io.File;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLClassLoader;
import java.util.ArrayList;
import java.util.List;
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.core.runtime.IPath;
import org.eclipse.debug.core.ILaunchConfiguration;
import org.eclipse.jdt.core.IClasspathEntry;
import org.eclipse.jdt.core.IJavaModel;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.jdt.core.JavaModelException;
import org.eclipse.jdt.launching.IRuntimeClasspathEntry;
import org.eclipse.jdt.launching.JavaRuntime;
import org.hibernate.console.HibernateConsoleRuntimeException;
import org.hibernate.eclipse.console.HibernateConsoleMessages;
/**
* @author max
*
*/
public class ClassLoaderHelper {
static public URLClassLoader getProjectClassLoader (IJavaProject project)
{
List<URL> pathElements = getProjectClassPathURLs(project);
URL urlPaths[] = pathElements.toArray(new URL[pathElements.size()]);
return new URLClassLoader(urlPaths, Thread.currentThread().getContextClassLoader() );
}
static public List<URL> getProjectClassPathURLs (IJavaProject project)
{
List<URL> pathElements = new ArrayList<URL>();
try {
IClasspathEntry paths[] = project.getResolvedClasspath(true);
if (paths != null)
{
for (int i = 0; i < paths.length; i++)
{
IClasspathEntry path = paths[i];
if (path.getEntryKind() == IClasspathEntry.CPE_LIBRARY)
{
IPath simplePath = path.getPath();
URL url = getRawLocationURL(simplePath);
pathElements.add(url);
}
}
}
IPath location = getProjectLocation(project.getProject() );
IPath outputPath = location.append(
project.getOutputLocation().removeFirstSegments(1) );
pathElements.add(outputPath.toFile().toURI().toURL() );
} catch (JavaModelException e) {
e.printStackTrace();
} catch (MalformedURLException e) {
e.printStackTrace();
}
return pathElements;
}
private static URL getRawLocationURL(IPath simplePath) throws MalformedURLException {
File file = getRawLocationFile(simplePath);
return file.toURI().toURL();
}
private static File getRawLocationFile(IPath simplePath) {
IResource member = ResourcesPlugin.getWorkspace().getRoot().findMember(simplePath);
File file = null;
if(member!=null) {
IPath rawLocation = member.getRawLocation();
if(rawLocation==null) {
rawLocation = member.getLocation();
if(rawLocation==null) {
throw new HibernateConsoleRuntimeException(HibernateConsoleMessages.ClassLoaderHelper_could_not_determine_physical_location_for + simplePath);
}
}
file = rawLocation.toFile();
} else {
file = simplePath.toFile();
}
return file;
}
static public IPath getProjectLocation (IProject project)
{
if (project.getRawLocation() == null)
{
return project.getLocation();
}
else return project.getRawLocation();
}
/**
* Convenience method to get access to the java model.
*/
public static IJavaModel getJavaModel() {
return JavaCore.create(ResourcesPlugin.getWorkspace().getRoot() );
}
public static URL[] getRawLocationsURLForResources(IPath[] classpaths) throws MalformedURLException {
URL[] l = new URL[classpaths.length];
for (int i = 0; i < classpaths.length; i++) {
l[i] = getRawLocationURL(classpaths[i]);
}
return l;
}
static public String[] getClasspath(ILaunchConfiguration configuration) throws CoreException {
IRuntimeClasspathEntry[] entries = JavaRuntime
.computeUnresolvedRuntimeClasspath(configuration);
entries = JavaRuntime.resolveRuntimeClasspath(entries, configuration);
List<String> userEntries = new ArrayList<String>(entries.length);
for (int i = 0; i < entries.length; i++) {
IRuntimeClasspathEntry runtimeClasspathEntry = entries[i];
if (runtimeClasspathEntry.getClasspathProperty() == IRuntimeClasspathEntry.USER_CLASSES) {
String location = runtimeClasspathEntry.getLocation();
if (location != null) {
userEntries.add(location);
} else {
//System.out.println("No location: " + runtimeClasspathEntry.getMemento());
}
} else {
//System.out.println("Ignored " + runtimeClasspathEntry.getMemento());
}
}
return userEntries.toArray(new String[userEntries.size()]);
}
}