/*
* $Id: JettyLaunchConfigurationClassPathProvider.java 39 2009-05-03 22:38:57Z james.synge@gmail.com $
* $HeadURL: https://run-jetty-run.googlecode.com/svn/trunk/plugin/src/runjettyrun/JettyLaunchConfigurationClassPathProvider.java $
*
* ==============================================================================
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package runjettyrun;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Set;
import org.eclipse.core.resources.IFolder;
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.FileLocator;
import org.eclipse.core.runtime.Path;
import org.eclipse.debug.core.ILaunchConfiguration;
import org.eclipse.jdt.core.IJavaModel;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.jdt.launching.IJavaLaunchConfigurationConstants;
import org.eclipse.jdt.launching.IRuntimeClasspathEntry;
import org.eclipse.jdt.launching.JavaRuntime;
import org.eclipse.jdt.launching.StandardClasspathProvider;
import org.osgi.framework.Bundle;
public class JettyLaunchConfigurationClassPathProvider extends
StandardClasspathProvider {
public JettyLaunchConfigurationClassPathProvider() {
}
@Override
public IRuntimeClasspathEntry[] computeUnresolvedClasspath(
ILaunchConfiguration configuration) throws CoreException {
IRuntimeClasspathEntry[] classpath = super
.computeUnresolvedClasspath(configuration);
boolean useDefault = configuration.getAttribute(
IJavaLaunchConfigurationConstants.ATTR_DEFAULT_CLASSPATH, true);
if (useDefault) {
classpath = filterWebInfLibs(classpath, configuration);
classpath = addJettyAndBootstrap(classpath, configuration);
} else {
// recover persisted classpath
return recoverRuntimePath(configuration,
IJavaLaunchConfigurationConstants.ATTR_CLASSPATH);
}
return classpath;
}
private IRuntimeClasspathEntry[] addJettyAndBootstrap(
IRuntimeClasspathEntry[] existing, ILaunchConfiguration config) {
List<IRuntimeClasspathEntry> entries = new ArrayList<IRuntimeClasspathEntry>();
entries.addAll(Arrays.asList(existing));
Bundle bundle = Plugin.getDefault().getBundle();
URL installUrl = bundle.getEntry("/");
addRelativeArchiveEntry(entries, installUrl, "run-jetty-run-bootstrap");
addRelativeArchiveEntry(entries, installUrl, "jetty-"
+ Plugin.JETTY_VERSION);
addRelativeArchiveEntry(entries, installUrl, "jetty-util-"
+ Plugin.JETTY_VERSION);
addRelativeArchiveEntry(entries, installUrl, "jetty-management-"
+ Plugin.JETTY_VERSION);
addRelativeArchiveEntry(entries, installUrl, "servlet-api-2.5-"
+ Plugin.JETTY_VERSION);
addRelativeArchiveEntry(entries, installUrl, "jsp-api-2.1");
addRelativeArchiveEntry(entries, installUrl, "jsp-2.1");
addRelativeArchiveEntry(entries, installUrl, "core-3.1.1");
return entries.toArray(new IRuntimeClasspathEntry[entries.size()]);
}
private void addRelativeArchiveEntry(List<IRuntimeClasspathEntry> entries,
URL installUrl, String libJarName) {
try {
String relativePath = "lib/" + libJarName + ".jar";
URL bundleUrl = new URL(installUrl, relativePath);
addArchiveEntry(entries, bundleUrl);
return;
} catch (MalformedURLException e) {
Plugin.logError(e);
return;
}
}
private void addArchiveEntry(List<IRuntimeClasspathEntry> entries,
URL bundleUrl) {
try {
URL fileUrl = FileLocator.toFileURL(bundleUrl);
IRuntimeClasspathEntry rcpe = JavaRuntime
.newArchiveRuntimeClasspathEntry(new Path(fileUrl.getFile()));
entries.add(rcpe);
return;
} catch (IOException e) {
Plugin.logError(e);
return;
}
}
private IRuntimeClasspathEntry[] filterWebInfLibs(
IRuntimeClasspathEntry[] defaults, ILaunchConfiguration configuration) {
IJavaModel javaModel = JavaCore.create(ResourcesPlugin.getWorkspace()
.getRoot());
String projectName = null;
String webAppDirName = null;
try {
projectName = configuration.getAttribute(
IJavaLaunchConfigurationConstants.ATTR_PROJECT_NAME, "");
webAppDirName = configuration.getAttribute(Plugin.ATTR_WEBAPPDIR, "");
} catch (CoreException e) {
Plugin.logError(e);
}
if (projectName == null || projectName.trim().equals("")
|| webAppDirName == null || webAppDirName.trim().equals("")) {
return defaults;
}
IJavaProject project = javaModel.getJavaProject(projectName);
if (project == null) {
return defaults;
}
// this should be fine since the plugin checks whether WEB-INF exists
IFolder webInfDir = project.getProject().getFolder(new Path(webAppDirName))
.getFolder("WEB-INF");
if (webInfDir == null || !webInfDir.exists()) {
return defaults;
}
IFolder lib = webInfDir.getFolder("lib");
if (lib == null || !lib.exists()) {
return defaults;
}
// ok, so we have a WEB-INF/lib dir, which means that we should filter
// out the entries in there since if the user wants those entries, they
// should be part of the project definition already
List<IRuntimeClasspathEntry> keep = new ArrayList<IRuntimeClasspathEntry>();
for (int i = 0; i < defaults.length; i++) {
if (defaults[i].getType() != IRuntimeClasspathEntry.ARCHIVE) {
keep.add(defaults[i]);
continue;
}
IResource resource = defaults[i].getResource();
if (resource != null && !resource.getParent().equals(lib)) {
keep.add(defaults[i]);
continue;
}
}
return keep.toArray(new IRuntimeClasspathEntry[keep.size()]);
}
/*
* James Synge: overriding so that I can block the inclusion of external
* libraries that should be found in WEB-INF/lib, and shouldn't be on the
* JVM's class path.
*
* (non-Javadoc)
*
* @see
* org.eclipse.jdt.launching.StandardClasspathProvider#resolveClasspath(org
* .eclipse.jdt.launching.IRuntimeClasspathEntry[],
* org.eclipse.debug.core.ILaunchConfiguration)
*/
@Override
public IRuntimeClasspathEntry[] resolveClasspath(
IRuntimeClasspathEntry[] entries, ILaunchConfiguration configuration)
throws CoreException {
Set<IRuntimeClasspathEntry> all = new LinkedHashSet<IRuntimeClasspathEntry>(
entries.length);
for (int i = 0; i < entries.length; i++) {
IRuntimeClasspathEntry entry = entries[i];
IResource resource = entry.getResource();
if (resource instanceof IProject) {
continue;
}
IRuntimeClasspathEntry[] resolved = JavaRuntime
.resolveRuntimeClasspathEntry(entry, configuration);
all.addAll(Arrays.asList(resolved));
// for (int j = 0; j < resolved.length; j++) {
// IRuntimeClasspathEntry resolvedEntry = resolved[j];
// if (isProject)
// {
// String location = resolvedEntry.getLocation();
// IResource resource = resolvedEntry.getResource();
// int classpathProperty = resolvedEntry.getClasspathProperty();
// if (classpathProperty == IRuntimeClasspathEntry.USER_CLASSES)
// {
// if (location != null)
// {
// if (resource == null)
// continue; // External library; skip it.
// }
// }
// }
// all.add(resolvedEntry);
// }
}
IRuntimeClasspathEntry[] resolvedClasspath = all
.toArray(new IRuntimeClasspathEntry[0]);
return resolvedClasspath;
}
}