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/*
* 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.io.File;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;
import org.apache.tuscany.sca.plugin.core.classpath.RuntimeClasspathContainer;
import org.eclipse.core.runtime.FileLocator;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Path;
import org.eclipse.core.runtime.Platform;
import org.eclipse.core.runtime.Status;
import org.eclipse.jdt.core.IClasspathContainer;
import org.eclipse.jdt.core.IClasspathEntry;
import org.eclipse.jdt.core.JavaCore;
import org.osgi.framework.Bundle;
/**
* A base classpath container implementation.
*
* @version $Rev$ $Date$
*/
public class BaseClasspathContainer implements RuntimeClasspathContainer {
private String pluginID;
private String libraryID;
private String libraryName;
private String distributionName;
private String sourceDistributionName;
private String distributionVersion;
private String homeProperty;
private String sourceProperty;
/**
* Constructs a new Classpath container.
*
* @param pluginID
* @param libraryID
* @param libraryName
* @param distributionName
* @param distributionVersion
* @param homeProperty
* @param sourceProperty
*/
public BaseClasspathContainer(String pluginID, String libraryID, String libraryName,
String distributionName, String sourceDistributionName, String distributionVersion,
String homeProperty, String sourceProperty) {
this.pluginID = pluginID;
this.libraryID = libraryID;
this.libraryName = libraryName;
this.distributionName = distributionName;
this.sourceDistributionName = sourceDistributionName;
this.distributionVersion = distributionVersion;
this.homeProperty = homeProperty;
this.sourceProperty = sourceProperty;
}
public IClasspathEntry[] getClasspathEntries() {
List<IClasspathEntry> list = new ArrayList<IClasspathEntry>();
// Get the runtime distribution location
IPath runtimePath = runtimePath();
// Get the source distribution location
IPath sourcePath = sourcePath();
// Add the JARs from runtime/lib and runtime/modules as classpath entries
if (runtimePath != null) {
// Add the jars from runtime/modules
File modulesDirectory = runtimePath.append("modules").toFile();
if (modulesDirectory != null && modulesDirectory.exists()) {
for (File file : modulesDirectory.listFiles()) {
IPath path = new Path(file.getPath());
String name = path.lastSegment();
String extension = path.getFileExtension();
// Only include API and launcher JARs
if (!"jar".equals(extension)) {
continue;
}
if (name.indexOf("-api-") == -1 && name.indexOf("-launcher-") == -1) {
continue;
}
list.add(JavaCore.newLibraryEntry(path, sourcePath, null));
}
}
// Add the jars from runtime/lib
File libDirectory = runtimePath.append("lib").toFile();
if (libDirectory != null && libDirectory.exists()) {
for (File file : libDirectory.listFiles()) {
IPath path = new Path(file.getPath());
String name = path.lastSegment();
String extension = path.getFileExtension();
// Only include jaxb, jaxws and jsr API JARs
if (!"jar".equals(extension)) {
continue;
}
if (name.indexOf("-api-") != -1) {
if (name.startsWith("jaxb") || name.startsWith("jaxws") || name.startsWith("jsr")) {
list.add(JavaCore.newLibraryEntry(path, sourcePath, null));
}
}
}
}
}
return (IClasspathEntry[])list.toArray(new IClasspathEntry[list.size()]);
}
public IClasspathEntry[] getRuntimeClasspathEntries() {
// Get the runtime distribution location
IPath runtimePath = runtimePath();
if (runtimePath != null) {
return new IClasspathEntry[] {JavaCore.newLibraryEntry(runtimePath, null, null)};
} else {
return new IClasspathEntry[0];
}
}
public String getDescription() {
return libraryName;
}
public int getKind() {
return IClasspathContainer.K_APPLICATION;
}
public IPath getPath() {
return new Path(libraryID);
}
/**
* Returns the location of the runtime distribution.
*
* @return
*/
private IPath runtimePath() {
IPath path = artifactLocation(pluginID, distributionName, distributionVersion, null, null);
if (path == null) {
// Try to get the location of the distribution from
// the HOME property or environment variable
String home = System.getProperty(homeProperty);
if (home == null || home.length() == 0) {
home = System.getenv(homeProperty);
}
if (home != null && home.length() != 0) {
if (new File(home).exists()) {
path = new Path(home);
}
}
}
return path;
}
/**
* Returns the location of the source distribution.
*
* @return
*/
private IPath sourcePath() {
IPath path = artifactLocation(pluginID, sourceDistributionName, distributionVersion, "src", ".zip");
if (path == null) {
// Try to get the location of the source distribution from
// the SRC property or environment variable
String source = System.getProperty(sourceProperty);
if (source == null || source.length() == 0) {
source = System.getenv(sourceProperty);
}
if (source != null && source.length() != 0) {
if (new File(source).exists()) {
path = new Path(source);
}
}
}
return path;
}
/**
* Returns the location of the specified artifact.
*
* @param pluginId
* @param artifactId
* @param version
* @param classifier
* @param extension
* @return
*/
private IPath artifactLocation(String pluginId, String artifactId, String version, String classifier, String extension) {
String artifactName;
if (classifier != null) {
artifactName = artifactId + '-' + version + '-' + classifier;
} else {
artifactName = artifactId + '-' + version;
}
if (extension != null) {
artifactName += extension;
}
try {
Bundle bundle = Platform.getBundle(pluginId);
URL location = FileLocator.find(bundle, new Path(artifactName), null);
location = FileLocator.toFileURL(location);
IPath path = new Path(new File(location.toURI()).getPath());
return path;
} catch (Exception e) {
error("Artifact not found: " + artifactName, e);
return null;
}
}
/**
* Log an error.
*
* @param msg
* @param e
*/
private void error(String msg, Exception e) {
Platform.getLog(
Platform.getBundle(pluginID)).log(
new Status(IStatus.ERROR, pluginID, IStatus.OK, msg, e));
}
}
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