/*
* 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.tuscany.sca.plugin.core.classpath;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.apache.tuscany.sca.plugin.core.classpath.RuntimeClasspathContainerInitializer;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.IExtension;
import org.eclipse.core.runtime.Platform;
import org.eclipse.jdt.core.IClasspathContainer;
import org.eclipse.jdt.core.IClasspathEntry;
/**
* Utility functions to help list extensions registered in the runtime classpath
* extension point.
*
* @version $Rev: $ $Date: $
*/
public class RuntimeClasspathContainerInitializerExtensionPoint {
private static final String EXTENSION_POINT_ID = "org.apache.tuscany.sca.plugin.core.runtimeClasspathContainerInitializer";
/**
* Return the installed runtime classpath entries.
*
* @return
* @throws CoreException
*/
public static String installedRuntimeClasspath() throws CoreException {
List<IClasspathEntry> classpathEntries = new ArrayList<IClasspathEntry>();
for (IExtension extension: Platform.getExtensionRegistry().getExtensionPoint(EXTENSION_POINT_ID).getExtensions()) {
for (IConfigurationElement configuration: extension.getConfigurationElements()) {
RuntimeClasspathContainerInitializer initializer = (RuntimeClasspathContainerInitializer)configuration.createExecutableExtension("class");
IClasspathContainer container = initializer.getRuntimeClasspathContainer();
classpathEntries.addAll(Arrays.asList(container.getClasspathEntries()));
}
}
String separator = System.getProperty("path.separator");
StringBuffer classpath = new StringBuffer();
for (int i = 0, n = classpathEntries.size(); i < n; i++) {
IClasspathEntry entry = classpathEntries.get(i);
if (i >0) {
classpath.append(separator);
}
classpath.append(entry.getPath().toFile().toURI().getPath());
}
return classpath.toString();
}
}