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Diffstat (limited to 'sca-java-1.x/branches/sca-java-1.6.2/tools/eclipse/plugins/core/src/main/java/org/apache/tuscany/sca/core/classpath/ClasspathUtil.java')
| -rw-r--r-- | sca-java-1.x/branches/sca-java-1.6.2/tools/eclipse/plugins/core/src/main/java/org/apache/tuscany/sca/core/classpath/ClasspathUtil.java | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/sca-java-1.x/branches/sca-java-1.6.2/tools/eclipse/plugins/core/src/main/java/org/apache/tuscany/sca/core/classpath/ClasspathUtil.java b/sca-java-1.x/branches/sca-java-1.6.2/tools/eclipse/plugins/core/src/main/java/org/apache/tuscany/sca/core/classpath/ClasspathUtil.java new file mode 100644 index 0000000000..8dbe0c2804 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-1.6.2/tools/eclipse/plugins/core/src/main/java/org/apache/tuscany/sca/core/classpath/ClasspathUtil.java @@ -0,0 +1,187 @@ +/*
+ * 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.BufferedReader;
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+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 VERSION_RESOURCE = "/org/apache/tuscany/sca/core/feature.version";
+ private static final String TUSCANY_FEATURE = "org.apache.tuscany.sca.feature.core";
+
+ /**
+ * 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() {
+ Path featurePath = null;
+ Exception ex = null;
+ try {
+ InputStream resourceStream = ClasspathUtil.class.getResourceAsStream(VERSION_RESOURCE);
+ if (resourceStream != null) {
+ BufferedReader reader = new BufferedReader(new InputStreamReader(resourceStream, "UTF-8"));
+ String featureVersion = reader.readLine().trim();
+ reader.close();
+ URL location = Platform.getInstallLocation().getURL();
+ File feature = new File(location.getPath() + "/features/" + TUSCANY_FEATURE + "_" + featureVersion);
+ featurePath = new Path(feature.getPath());
+ }
+ } catch (Exception e) {
+ ex = e;
+ }
+
+ if (featurePath != null) {
+ return featurePath;
+ } else {
+ error("Tuscany runtime feature not found", ex);
+ 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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