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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.core.classpath;
import static org.apache.tuscany.sca.core.log.LogUtil.error;
import java.io.File;
import java.io.FileNotFoundException;
import java.net.URL;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.IExtension;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
import org.eclipse.core.runtime.Platform;
import org.eclipse.jdt.core.IClasspathContainer;
import org.eclipse.jdt.core.IClasspathEntry;
/**
* Utility functions to help determine the runtime classpath.
*
* @version $Rev: $ $Date: $
*/
public class ClasspathUtil {
private static final String TUSCANY_RUNTIME_LIBRARIES = "org.apache.tuscany.sca.core.runtimeLibraries";
private static final String TUSCANY_FEATURE = "org.apache.tuscany.sca.feature.core";
private static final String TUSCANY_VERSION = "1.5.1";
/**
* 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(TUSCANY_RUNTIME_LIBRARIES).getExtensions()) {
for (IConfigurationElement configuration: extension.getConfigurationElements()) {
IClasspathContainer container = (IClasspathContainer)configuration.createExecutableExtension("class");
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();
}
/**
* Returns the Tuscany feature location.
*
* @return
*/
static IPath feature() {
try {
URL location = Platform.getInstallLocation().getURL();
File feature = new File(location.getPath() + "/features/" + TUSCANY_FEATURE + "_" + TUSCANY_VERSION);
return new Path(feature.getPath());
} catch (Exception e) {
error("Tuscany runtime feature not found", e);
return null;
}
}
/**
* Returns the location of the runtime distribution under the Tuscany feature.
*
* @param feature
* @return
*/
static IPath runtime(IPath feature) {
IPath runtimePath = null;
try {
// Find the Tuscany distribution under the feature's runtime directory
// Typically runtime/distro-archive-name/un-archived-distro-dir
File file = new File(feature.toFile(), "runtime");
if (file.exists()) {
File distro = null;
for (File f: file.listFiles()) {
if (f.getName().contains("tuscany-sca")) {
distro = f;
break;
}
}
if (distro != null) {
for (File f: distro.listFiles()) {
if (f.getName().contains("tuscany-sca")) {
runtimePath = new Path(f.getPath());
break;
}
}
if (runtimePath == null) {
error("Tuscany runtime distribution directory not found", new FileNotFoundException(distro.getAbsolutePath()));
}
} else {
error("Tuscany runtime distribution archive not found", new FileNotFoundException(file.getAbsolutePath()));
}
} else {
error("Tuscany runtime feature not found", new FileNotFoundException(file.getAbsolutePath()));
}
} catch (Exception e) {
error("Tuscany runtime feature not found", e);
}
return runtimePath;
}
/**
* Returns the location of the src distribution under the Tuscany feature.
*
* @param feature
* @return
*/
static IPath src(IPath feature) {
IPath sourcePath = null;
try {
// Find the Tuscany source distribution under the feature's src directory
// Typically src/distro-archive-src.zip
File file = new File(feature.toFile(), "src");
if (file.exists()) {
File distro = null;
for (File f: file.listFiles()) {
if (f.getName().contains("tuscany-sca") && f.getName().endsWith("-src.zip")) {
distro = f;
break;
}
}
if (distro != null) {
sourcePath = new Path(distro.getPath());
}
}
} catch (Exception e) {
}
return sourcePath;
}
}
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