Add a mojo to build a local distro and configure the target platform for Eclipse

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@706819 13f79535-47bb-0310-9956-ffa450edef68

3 files changed, 233 insertions, 21 deletions

diff --git a/branches/sca-equinox/tools/maven/maven-bundle-plugin/src/main/java/org/apache/tuscany/sca/tools/bundle/plugin/BundleUtil.java b/branches/sca-equinox/tools/maven/maven-bundle-plugin/src/main/java/org/apache/tuscany/sca/tools/bundle/plugin/BundleUtil.java
index de28a99446..d145f0c7b2 100644
--- a/branches/sca-equinox/tools/maven/maven-bundle-plugin/src/main/java/org/apache/tuscany/sca/tools/bundle/plugin/BundleUtil.java
+++ b/branches/sca-equinox/tools/maven/maven-bundle-plugin/src/main/java/org/apache/tuscany/sca/tools/bundle/plugin/BundleUtil.java
@@ -49,7 +49,7 @@ import java.util.zip.ZipInputStream;
  * @version $Rev$ $Date$
  */
 final class BundleUtil {
-    
+
     /**
      * Returns the name of a bundle, or null if the given file is not a bundle.
      *  
@@ -57,7 +57,7 @@ final class BundleUtil {
      * @return
      * @throws IOException
      */
-    static String getBundleName(File file) throws IOException {
+    static String getBundleSymbolicName(File file) throws IOException {
         if (!file.exists()) {
             return null;
         }
@@ -83,7 +83,7 @@ final class BundleUtil {
         }
         return bundleName;
     }
-    
+
     /**
      * Generate a Bundle manifest for a set of JAR files.
      * 
@@ -91,10 +91,11 @@ final class BundleUtil {
      * @param name
      * @param symbolicName
      * @param version
+     * @param dir 
      * @return
      * @throws IllegalStateException
      */
-    static Manifest libraryManifest(Set<File> jarFiles, String name, String symbolicName, String version)
+    static Manifest libraryManifest(Set<File> jarFiles, String name, String symbolicName, String version, String dir)
         throws IllegalStateException {
         try {
 
@@ -103,7 +104,9 @@ final class BundleUtil {
             Set<String> exportedPackages = new HashSet<String>();
             for (File jarFile : jarFiles) {
                 addPackages(jarFile, exportedPackages);
-                classpath.append("lib/");
+                if (dir != null) {
+                    classpath.append(dir).append("/");
+                } 
                 classpath.append(jarFile.getName());
                 classpath.append(",");
             }
@@ -113,7 +116,7 @@ final class BundleUtil {
             StringBuffer imports = new StringBuffer();
             Set<String> importedPackages = new HashSet<String>();
             for (String export : exportedPackages) {
-                
+
                 // Add export declaration
                 exports.append(export);
                 exports.append(',');
@@ -136,9 +139,15 @@ final class BundleUtil {
             attributes.putValue(BUNDLE_NAME, name);
             attributes.putValue(BUNDLE_VERSION, version);
             attributes.putValue(DYNAMICIMPORT_PACKAGE, "*");
-            attributes.putValue(EXPORT_PACKAGE, exports.substring(0, exports.length() - 1));
-            attributes.putValue(IMPORT_PACKAGE, imports.substring(0, imports.length() - 1));
-            attributes.putValue(BUNDLE_CLASSPATH, classpath.substring(0, classpath.length() - 1));
+            if (exports.length() > 1) {
+                attributes.putValue(EXPORT_PACKAGE, exports.substring(0, exports.length() - 1));
+            }
+            if (imports.length() > 1) {
+                attributes.putValue(IMPORT_PACKAGE, imports.substring(0, imports.length() - 1));
+            }
+            if (classpath.length() > 1) {
+                attributes.putValue(BUNDLE_CLASSPATH, classpath.substring(0, classpath.length() - 1));
+            }
 
             return manifest;
         } catch (IOException e) {
@@ -176,7 +185,7 @@ final class BundleUtil {
      * @throws IOException
      */
     private static void addPackages(File jarFile, Set<String> packages) throws IOException {
-        if (getBundleName(jarFile) == null) {
+        if (getBundleSymbolicName(jarFile) == null) {
             String version = ";version=" + version(jarFile.getPath());
             addAllPackages(jarFile, packages, version);
         } else {
@@ -193,10 +202,13 @@ final class BundleUtil {
      * @throws IOException
      */
     private static void write(Attributes attributes, String key, DataOutputStream dos) throws IOException {
+        String value = attributes.getValue(key);
+        if (value == null) {
+            return;
+        }
         StringBuffer line = new StringBuffer();
         line.append(key);
         line.append(": ");
-        String value = attributes.getValue(key); 
         line.append(new String(value.getBytes("UTF8")));
         line.append("\r\n");
         int l = line.length();
@@ -224,7 +236,7 @@ final class BundleUtil {
         String base = export.substring(0, sc);
         int v = export.indexOf("version=");
         if (v != -1) {
-            sc = export.indexOf(';', v+1);
+            sc = export.indexOf(';', v + 1);
             if (sc != -1) {
                 return base + ";" + export.substring(v, sc);
             } else {
@@ -275,7 +287,7 @@ final class BundleUtil {
         }
         return export;
     }
-    
+
     /**
      * Add the packages exported by a bundle.
      *  
@@ -288,7 +300,7 @@ final class BundleUtil {
         if (!file.exists()) {
             return;
         }
-        
+
         // Read the export-package declaration and get a list of the packages available in a JAR
         Set<String> existingPackages = null;
         String exports = null;
@@ -309,18 +321,18 @@ final class BundleUtil {
         if (exports == null) {
             return;
         }
-        
+
         // Parse the export-package declaration, and extract the individual packages
         StringBuffer buffer = new StringBuffer();
         boolean q = false;
-        for (int i =0, n = exports.length(); i <n; i++) {
+        for (int i = 0, n = exports.length(); i < n; i++) {
             char c = exports.charAt(i);
             if (c == '\"') {
                 q = !q;
             }
             if (!q) {
                 if (c == ',') {
-                    
+
                     // Add the exported package to the set, after making sure it really exists in
                     // the JAR
                     String export = buffer.toString();
@@ -334,7 +346,7 @@ final class BundleUtil {
             buffer.append(c);
         }
         if (buffer.length() != 0) {
-            
+
             // Add the exported package to the set, after making sure it really exists in
             // the JAR
             String export = buffer.toString();
@@ -362,7 +374,7 @@ final class BundleUtil {
         } else {
             matcher = pattern.matcher(jarFile);
             found = matcher.find();
-        }            
+        }
         if (found) {
             version = matcher.group();
             if (version.endsWith(".")) {
diff --git a/branches/sca-equinox/tools/maven/maven-bundle-plugin/src/main/java/org/apache/tuscany/sca/tools/bundle/plugin/ThirdPartyBundleBuildMojo.java b/branches/sca-equinox/tools/maven/maven-bundle-plugin/src/main/java/org/apache/tuscany/sca/tools/bundle/plugin/ThirdPartyBundleBuildMojo.java
index 4dd42967ae..45135b4748 100644
--- a/branches/sca-equinox/tools/maven/maven-bundle-plugin/src/main/java/org/apache/tuscany/sca/tools/bundle/plugin/ThirdPartyBundleBuildMojo.java
+++ b/branches/sca-equinox/tools/maven/maven-bundle-plugin/src/main/java/org/apache/tuscany/sca/tools/bundle/plugin/ThirdPartyBundleBuildMojo.java
@@ -88,7 +88,7 @@ public class ThirdPartyBundleBuildMojo extends AbstractMojo {
             }
             String bundleName = null;
             try {
-                bundleName = BundleUtil.getBundleName(artifact.getFile());
+                bundleName = BundleUtil.getBundleSymbolicName(artifact.getFile());
             } catch (IOException e) {
                 throw new MojoExecutionException(e.getMessage(), e);
             }
@@ -108,7 +108,7 @@ public class ThirdPartyBundleBuildMojo extends AbstractMojo {
                 version = version.substring(0, version.length() - Artifact.SNAPSHOT_VERSION.length() - 1);
             }
 
-            Manifest mf = BundleUtil.libraryManifest(jarFiles, project.getName(), symbolicName, version);
+            Manifest mf = BundleUtil.libraryManifest(jarFiles, project.getName(), symbolicName, version, "lib");
             File file = new File(project.getBasedir(), "META-INF");
             file.mkdir();
             file= new File(file, "MANIFEST.MF");
diff --git a/branches/sca-equinox/tools/maven/maven-bundle-plugin/src/main/java/org/apache/tuscany/sca/tools/bundle/plugin/ThirdPartyBundleDistroMojo.java b/branches/sca-equinox/tools/maven/maven-bundle-plugin/src/main/java/org/apache/tuscany/sca/tools/bundle/plugin/ThirdPartyBundleDistroMojo.java
new file mode 100644
index 0000000000..c607a57ad8
--- /dev/null
+++ b/branches/sca-equinox/tools/maven/maven-bundle-plugin/src/main/java/org/apache/tuscany/sca/tools/bundle/plugin/ThirdPartyBundleDistroMojo.java
@@ -0,0 +1,200 @@
+/*
+ * 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.tools.bundle.plugin;
+
+import static org.apache.tuscany.sca.tools.bundle.plugin.BundleUtil.write;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.PrintStream;
+import java.util.HashSet;
+import java.util.Set;
+import java.util.jar.Manifest;
+
+import org.apache.maven.artifact.Artifact;
+import org.apache.maven.plugin.AbstractMojo;
+import org.apache.maven.plugin.MojoExecutionException;
+import org.apache.maven.plugin.logging.Log;
+import org.apache.maven.project.MavenProject;
+
+/**
+ * @version $Rev$ $Date$
+ * @goal build-thirdparty-distro
+ * @phase generate-resources
+ * @requiresDependencyResolution test
+ * @description Build an OSGi bundle for third party dependencies
+ */
+public class ThirdPartyBundleDistroMojo extends AbstractMojo {
+    /**
+     * The project to create a build for.
+     *
+     * @parameter expression="${project}"
+     * @required
+     * @readonly
+     */
+    private MavenProject project;
+
+    public void execute() throws MojoExecutionException {
+        Log log = getLog();
+
+        if (project.getPackaging().equals("pom")) {
+            return;
+        }
+        try {
+
+            File root = new File(project.getBasedir(), "eclipse/plugins/");
+            root.mkdirs();
+
+            Set<String> ids = new HashSet<String>();
+            String projectGroupId = project.getGroupId();
+            for (Object o : project.getArtifacts()) {
+                Artifact artifact = (Artifact)o;
+
+                if (!(Artifact.SCOPE_COMPILE.equals(artifact.getScope()) || Artifact.SCOPE_RUNTIME.equals(artifact
+                    .getScope()))) {
+                    if (log.isDebugEnabled()) {
+                        log.debug("Skipping artifact: " + artifact);
+                    }
+                    continue;
+                }
+                if (!"jar".equals(artifact.getType())) {
+                    continue;
+                }
+                if (projectGroupId.equals(artifact.getGroupId())) {
+                    continue;
+                }
+
+                if (log.isDebugEnabled()) {
+                    log.debug("Artifact: " + artifact);
+                }
+                String bundleName = null;
+                try {
+                    bundleName = BundleUtil.getBundleSymbolicName(artifact.getFile());
+                } catch (IOException e) {
+                    throw new MojoExecutionException(e.getMessage(), e);
+                }
+                File artifactFile = artifact.getFile();
+                if (!artifactFile.exists()) {
+                    log.warn("Artifact doesn't exist: " + artifact);
+                    continue;
+                }
+
+                if (bundleName != null) {
+                    log.info("Adding third party bundle: " + artifact);
+                    copyFile(artifactFile, root);
+                    ids.add(bundleName);
+                } else {
+                    log.info("Adding third party jar: " + artifact);
+                    String version = artifact.getVersion();
+                    if (version.endsWith(Artifact.SNAPSHOT_VERSION)) {
+                        version = version.substring(0, version.length() - Artifact.SNAPSHOT_VERSION.length() - 1);
+                    }
+
+                    Set<File> jarFiles = new HashSet<File>();
+                    jarFiles.add(artifactFile);
+                    String symbolicName = (artifact.getGroupId() + "." + artifact.getArtifactId()).replace('-', '.');
+                    Manifest mf =
+                        BundleUtil.libraryManifest(jarFiles, symbolicName + "_" + version, symbolicName, version, null);
+                    File dir = new File(root, artifactFile.getName().substring(0, artifactFile.getName().length() - 4));
+                    File file = new File(dir, "META-INF");
+                    file.mkdirs();
+                    file = new File(file, "MANIFEST.MF");
+
+                    FileOutputStream fos = new FileOutputStream(file);
+                    write(mf, fos);
+                    fos.close();
+                    copyFile(artifactFile, dir);
+                    ids.add(symbolicName);
+                }
+            }
+            
+            File target = new File(project.getBasedir(), "tuscany.target");
+            FileOutputStream targetFile = new FileOutputStream(target);
+            writeTarget(new PrintStream(targetFile), ids);
+            targetFile.close();
+            
+            File pluginxml = new File(project.getBasedir(), "plugin.xml");
+            FileOutputStream pluginXMLFile = new FileOutputStream(pluginxml);
+            writePluginXML(new PrintStream(pluginXMLFile));
+            pluginXMLFile.close();
+            
+
+        } catch (Exception e) {
+            throw new MojoExecutionException(e.getMessage(), e);
+        }
+
+    }
+
+    private static void copyFile(File jar, File dir) throws FileNotFoundException, IOException {
+        byte[] buf = new byte[4096];
+        File jarFile = new File(dir, jar.getName());
+        FileInputStream in = new FileInputStream(jar);
+        FileOutputStream out = new FileOutputStream(jarFile);
+        for (;;) {
+            int len = in.read(buf);
+            if (len > 0) {
+                out.write(buf, 0, len);
+            } else {
+                break;
+            }
+        }
+        in.close();
+        out.close();
+    }
+
+    private static void writeTarget(PrintStream ps, Set<String> ids) {
+        ps.println("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
+        ps.println("<?pde version=\"3.2\"?>");
+
+        ps.println("<target name=\"Apache Tuscany Eclipse Target\">");
+        ps.println("<location path=\"${project_loc}/eclipse\"/>");
+
+        ps.println("<content>");
+        ps.println("<plugins>");
+        for (String id : ids) {
+            ps.println("<plugin id=\"" + id + "\"/>");
+        }
+        ps.println("</plugins>");
+        ps.println("<features>");
+        ps.println("</features>");
+        ps.println("<extraLocations>");
+        ps.println("<location path=\"${eclipse_home}\"/>");
+        ps.println("</extraLocations>");
+        ps.println("</content>");
+
+        ps.println("</target>");
+
+    }
+
+    private static void writePluginXML(PrintStream ps) {
+        ps.println("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
+        ps.println("<?pde version=\"3.2\"?>");
+        ps.println("<plugin>");
+        ps.println("<extension point = \"org.eclipse.pde.core.targets\">");
+        ps.println("<target");
+        ps.println("id=\"org.apache.tuscany.sca.target\"");
+        ps.println("name=\"Apache Tuscany Eclipse Target\"");
+        ps.println("path=\"tuscany.target\"/>");
+        ps.println("</extension>");
+        ps.println("</plugin>");
+    }
+}