/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.geronimo.st.core;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import org.apache.geronimo.st.core.internal.Trace;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.jdt.core.IClasspathContainer;
import org.eclipse.jdt.core.IClasspathEntry;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.JavaCore;
/**
*
* Helper class for ClasspathContainers support
*
* @version $Rev$ $Date$
*/
public class ClasspathContainersHelper {
//
// Query the workspace for the list of classpath containers and return as a
// sorted List<String> for display and for WTP to ultimately persist as server
// instance properties in servers.xml
//
public static List<String> queryWorkspace() {
Trace.tracePoint("ENTRY", "ClasspathContainersHelper.queryWorkspace");
ArrayList<String> containers = new ArrayList<String>();
IProject[] projects = ResourcesPlugin.getWorkspace().getRoot().getProjects();
for ( IProject project : projects ) {
try {
if ( project.getNature(JavaCore.NATURE_ID) != null ) {
IJavaProject javaProject = JavaCore.create(project);
IClasspathEntry[] cp = javaProject.getRawClasspath();
for ( IClasspathEntry cpEntry : cp ) {
if (cpEntry.getEntryKind() == IClasspathEntry.CPE_CONTAINER) {
addEntry( containers, cpEntry.getPath().toString());
}
}
}
}
catch ( CoreException e ) {
e.printStackTrace();
}
}
Collections.sort( containers );
Trace.tracePoint("EXIT", "ClasspathContainersHelper.queryWorkspace", containers);
return containers;
}
//
// Query the workspace to find the classapth entries for a specific classpath container,
//
public static List<IClasspathEntry> queryWorkspace( String containerPath ) {
Trace.tracePoint("ENTRY", "ClasspathContainersHelper.queryWorkspace", containerPath );
List<IClasspathEntry> classpathEntries = new ArrayList<IClasspathEntry>();
IProject[] projects = ResourcesPlugin.getWorkspace().getRoot().getProjects();
for ( IProject project : projects ) {
try {
if ( project.getNature(JavaCore.NATURE_ID) !=null ) {
IJavaProject javaProject = JavaCore.create(project);
IClasspathEntry[] cp = javaProject.getRawClasspath();
for ( IClasspathEntry cpEntry : cp ) {
if (cpEntry.getEntryKind() == IClasspathEntry.CPE_CONTAINER) {
if ( cpEntry.getPath().toString().equals( containerPath )) {
IClasspathContainer classpathContainer = JavaCore.getClasspathContainer(cpEntry.getPath(), javaProject);
IClasspathEntry[] containerEntries = classpathContainer.getClasspathEntries();
for (int ii = 0; ii < containerEntries.length; ii++) {
classpathEntries.add(containerEntries[ii]);
}
}
}
}
}
}
catch ( CoreException e ) {
e.printStackTrace();
}
}
Trace.tracePoint("EXIT", "ClasspathContainersHelper.queryWorkspace", classpathEntries);
return classpathEntries;
}
//
// Ensure no duplicates in the list
//
private static void addEntry( List<String> containers, String container ) {
if ( containers.indexOf( container ) < 0 ) {
containers.add( container );
}
}
}