/**
Copyright (C) 2010 E.Albert, P.Arenas, S.Genaim, G.Puebla, and D.Zanardini, G. Roman
https://costa.ls.fi.upm.es
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package costabs.utils;
import java.io.File;
import java.lang.reflect.Constructor;
import java.lang.reflect.Method;
import java.net.URL;
import java.net.URLClassLoader;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.jdt.core.IClasspathEntry;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.jdt.internal.core.JavaModel;
/**
* Class to get the project classpath
* @author groman
* @license GPL
*/
public class ClasspathUtils {
/**
* Returns the Eclipse Project class loader using project build path
* @param javaProject Eclipse Java Project
* @return A class loader using project build path
* @throws Exception If the project is no valid
*/
public static ClassLoader getProjectClassLoader(IJavaProject javaProject) throws Exception {
IClasspathEntry[] entries = javaProject.getResolvedClasspath(true);
String wsPath = javaProject.getProject().getLocation().toPortableString();
String firstEntryLocation = javaProject.getPath().toPortableString();
int idx = wsPath.indexOf(firstEntryLocation);
URL[] urls = null;
int i = 0;
//System.out.println("ClassLoader " + wsPath);
//System.out.println("ClassLoader " + firstEntryLocation);
String output = javaProject.getOutputLocation().toPortableString();
urls = new URL[entries.length+1];
if (idx != -1) {
wsPath = wsPath.substring(0,idx);
}
else {
output = output.substring(firstEntryLocation.length());
}
urls[i++] = new File(wsPath + output).toURL();
//System.out.println("ClassLoader " + output);
String fullPath = null;
for (IClasspathEntry entry : entries)
{
if(entry.getEntryKind() == IClasspathEntry.CPE_PROJECT)
{
IResource project = ResourcesPlugin.getWorkspace().getRoot().findMember(entry.getPath());
String projectPath =
JavaCore.create(project.getProject()).getOutputLocation().toPortableString();
fullPath = wsPath + projectPath;
}
else
{
Object resource = JavaModel.getTarget(entry.getPath(),true);
if (resource instanceof IResource)
{
IResource iFile = (IResource) resource;
fullPath = iFile.getLocation().toPortableString();
}
else if (resource instanceof File)
{
File file = (File) resource;
fullPath = file.getAbsolutePath();
}
}
urls[i++] = new File(fullPath).toURL();
//System.out.println(fullPath);
}
URLClassLoader classLoader = new URLClassLoader(urls,String.class.getClassLoader());
/*for (int j = 0; j < urls.length; j ++) {
System.out.println(urls[j]);
}*/
return classLoader;
}
/**
* Returns a String with all libraries defined in build path
* @param javaProject Eclipse Java Project
* @return a String with all libraries defined in build path
* @throws Exception If the project is no valid
*/
public static String getStringClasspath (IJavaProject javaProject) throws Exception {
IClasspathEntry[] entries = javaProject.getResolvedClasspath(true);
String wsPath = javaProject.getProject().getLocation().toPortableString();
String firstEntryLocation = javaProject.getPath().toPortableString();
int idx = wsPath.indexOf(firstEntryLocation);
String[] urls = new String[entries.length+1];
String fullPath = null;
int i = 0;
String output = javaProject.getOutputLocation().toPortableString();
if (idx != -1) {
wsPath = wsPath.substring(0,idx);
}
else {
output = output.substring(firstEntryLocation.length());
}
urls[i++] = wsPath + output;
for (IClasspathEntry entry : entries)
{
if(entry.getEntryKind() == IClasspathEntry.CPE_PROJECT)
{
IResource project = ResourcesPlugin.getWorkspace().getRoot().findMember(entry.getPath());
String projectPath =
JavaCore.create(project.getProject()).getOutputLocation().toPortableString();
fullPath = wsPath + projectPath;
}
else
{
Object resource = JavaModel.getTarget(entry.getPath(),true);
if (resource instanceof IResource)
{
IResource iFile = (IResource) resource;
fullPath = iFile.getLocation().toPortableString();
}
else if (resource instanceof File)
{
File file = (File) resource;
fullPath = file.getAbsolutePath();
}
}
urls[i++] = fullPath;
}
StringBuffer buffer = new StringBuffer ();
for (String url : urls) {
buffer.append(url);
buffer.append(":");
}
return buffer.toString().substring(0, buffer.length()-1);
}
public static void createPath(String path) {
new File(path.replaceAll("[/]", "//")).mkdirs();
}
}