Bug 381057 - CBI should be able to generate the API tools description

4 files changed, 235 insertions, 2 deletions

diff --git a/eclipse-parent/pom.xml b/eclipse-parent/pom.xml
index 92eec8ac6..ae2bbad7d 100644
--- a/eclipse-parent/pom.xml
+++ b/eclipse-parent/pom.xml
@@ -98,6 +98,18 @@
       </plugin>
 
       <plugin>
+        <groupId>org.eclipse.cbi</groupId>
+        <artifactId>maven-cbi-plugin</artifactId>
+        <version>0.0.2-SNAPSHOT</version>
+        <executions>
+          <execution>
+            <goals>
+              <goal>generate-api-build-xml</goal>
+            </goals>
+          </execution>
+        </executions>
+      </plugin>
+      <plugin>
         <groupId>org.eclipse.tycho</groupId>
         <artifactId>target-platform-configuration</artifactId>
         <configuration>
@@ -506,5 +518,71 @@
             <toolsjar>${java.home}/../Classes/classes.jar</toolsjar>
         </properties>
     </profile>
+    <profile>
+      <id>api-generation</id>
+      <activation>
+        <file>
+          <exists>.apibuild.xml</exists>
+        </file>
+      </activation>
+      <build>
+        <plugins>
+          <plugin>
+            <groupId>org.eclipse.tycho.extras</groupId>
+            <artifactId>tycho-eclipserun-plugin</artifactId>
+            <!-- this is actually present in any 0.14+ version -->
+            <version>${tycho.version}</version>
+            <configuration>
+              <repositories>
+                <repository>
+                  <id>juno</id>
+                  <layout>p2</layout>
+                  <url>http://download.eclipse.org/releases/juno</url>
+                </repository>
+              </repositories>
+              <!-- this is to fix some lucene 3.x compatibility issue -->
+              <argLine>-XX:-UseLoopPredicate -Dhelp.lucene.tokenizer=standard</argLine>
+              <!-- actuall indexer call -->
+              <appArgLine>-application org.eclipse.ant.core.antRunner -buildfile .apibuild.xml</appArgLine>
+              <dependencies>
+                <!-- list of bundles that we need -->
+                <dependency>
+                  <artifactId>org.eclipse.ant.core</artifactId>
+                  <type>eclipse-plugin</type>
+                </dependency>
+                <dependency>
+                  <artifactId>org.apache.ant</artifactId>
+                  <type>eclipse-plugin</type>
+                </dependency>
+                <dependency>
+                  <artifactId>org.eclipse.pde.api.tools</artifactId>
+                  <type>eclipse-plugin</type>
+                </dependency>
+                <dependency>
+                  <artifactId>org.eclipse.pde.build</artifactId>
+                  <type>eclipse-plugin</type>
+                </dependency>
+                <dependency>
+                  <artifactId>org.eclipse.pde.core</artifactId>
+                  <type>eclipse-plugin</type>
+                </dependency>
+                <dependency>
+                  <artifactId>org.eclipse.equinox.launcher</artifactId>
+                  <type>eclipse-plugin</type>
+                </dependency>
+              </dependencies>
+            </configuration>
+            <executions>
+              <execution>
+                <goals>
+                  <goal>eclipse-run</goal>
+                </goals>
+                <phase>compile</phase>
+              </execution>
+            </executions>
+          </plugin>
+        </plugins>
+      </build>
+    </profile>
   </profiles>
 </project>
diff --git a/eclipse.platform.releng.tychoeclipsebuilder/eclipse-junit-tests/pom.xml b/eclipse.platform.releng.tychoeclipsebuilder/eclipse-junit-tests/pom.xml
index c983258be..5f85ab071 100644
--- a/eclipse.platform.releng.tychoeclipsebuilder/eclipse-junit-tests/pom.xml
+++ b/eclipse.platform.releng.tychoeclipsebuilder/eclipse-junit-tests/pom.xml
@@ -165,7 +165,7 @@
       <plugin>
         <groupId>org.eclipse.cbi</groupId>
         <artifactId>maven-cbi-plugin</artifactId>
-        <version>0.0.1-SNAPSHOT</version>
+        <version>0.0.2-SNAPSHOT</version>
         <executions>
           <execution>
             <id>plugin-versions</id>
diff --git a/maven-cbi-plugin/pom.xml b/maven-cbi-plugin/pom.xml
index 94574f245..2f991348f 100644
--- a/maven-cbi-plugin/pom.xml
+++ b/maven-cbi-plugin/pom.xml
@@ -15,7 +15,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.eclipse.cbi</groupId>
   <artifactId>maven-cbi-plugin</artifactId>
-  <version>0.0.1-SNAPSHOT</version>
+  <version>0.0.2-SNAPSHOT</version>
   <packaging>maven-plugin</packaging>
 
   <properties>
diff --git a/maven-cbi-plugin/src/main/java/org/eclipse/cbi/mojo/GenerateAPIBuildXMLMojo.java b/maven-cbi-plugin/src/main/java/org/eclipse/cbi/mojo/GenerateAPIBuildXMLMojo.java
new file mode 100644
index 000000000..1ea1913a6
--- /dev/null
+++ b/maven-cbi-plugin/src/main/java/org/eclipse/cbi/mojo/GenerateAPIBuildXMLMojo.java
@@ -0,0 +1,155 @@
+package org.eclipse.tycho.pomgenerator;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStreamWriter;
+import java.io.Writer;
+import java.io.BufferedWriter;
+import java.io.FileWriter;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Iterator;
+import java.util.LinkedHashMap;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.Set;
+import java.util.StringTokenizer;
+
+import javax.xml.parsers.DocumentBuilderFactory;
+import javax.xml.parsers.DocumentBuilder;
+import org.w3c.dom.Document;
+import org.w3c.dom.NodeList;
+import org.w3c.dom.Node;
+import org.w3c.dom.Element;
+import org.xml.sax.SAXException;
+
+import org.apache.maven.artifact.Artifact;
+import org.apache.maven.model.Build;
+import org.apache.maven.model.Model;
+import org.apache.maven.model.Parent;
+import org.apache.maven.model.Plugin;
+import org.apache.maven.model.io.xpp3.MavenXpp3Reader;
+import org.apache.maven.model.io.xpp3.MavenXpp3Writer;
+import org.apache.maven.plugin.AbstractMojo;
+import org.apache.maven.plugin.MojoExecutionException;
+import org.apache.maven.plugin.MojoFailureException;
+import org.apache.maven.project.MavenProject;
+import org.codehaus.plexus.util.ReaderFactory;
+import org.codehaus.plexus.util.xml.XmlStreamReader;
+import org.codehaus.plexus.util.xml.Xpp3Dom;
+import org.codehaus.plexus.util.xml.Xpp3DomBuilder;
+import org.codehaus.plexus.util.xml.pull.XmlPullParserException;
+import org.eclipse.osgi.framework.adaptor.FilePath;
+import org.eclipse.osgi.service.resolver.BundleDescription;
+import org.eclipse.osgi.service.resolver.State;
+import org.eclipse.tycho.ArtifactDescriptor;
+import org.eclipse.tycho.ArtifactKey;
+import org.eclipse.tycho.core.TychoProject;
+import org.eclipse.tycho.core.osgitools.BundleReader;
+import org.eclipse.tycho.core.osgitools.DefaultArtifactKey;
+import org.eclipse.tycho.core.osgitools.DefaultReactorProject;
+import org.eclipse.tycho.core.osgitools.DependencyComputer;
+import org.eclipse.tycho.core.osgitools.EquinoxResolver;
+import org.eclipse.tycho.core.osgitools.OsgiManifest;
+import org.eclipse.tycho.core.osgitools.OsgiManifestParserException;
+import org.eclipse.tycho.core.osgitools.targetplatform.DefaultTargetPlatform;
+import org.eclipse.tycho.model.Feature;
+import org.eclipse.tycho.model.FeatureRef;
+import org.eclipse.tycho.model.PluginRef;
+import org.eclipse.tycho.model.UpdateSite;
+import org.osgi.framework.BundleException;
+
+/**
+ * @goal generate-api-build-xml
+ * @phase generate-sources
+ */
+public class GenerateAPIBuildXMLMojo extends AbstractMojo {
+	
+	private static final String API_BUILD_XML_FILE = ".apibuild.xml";
+	private static final String API_NATURE = "org.eclipse.pde.api.tools.apiAnalysisNature";
+	
+    /**
+     * @parameter default-value="${project}"
+     * @required
+     * @readonly
+     */
+    protected MavenProject project;
+    
+    /**
+     * @component role="org.eclipse.tycho.core.TychoProject"
+     */
+    private Map<String, TychoProject> projectTypes;
+    
+	public void execute() throws MojoExecutionException, MojoFailureException {
+		File dotProject = new File(project.getBasedir(), ".project");
+		if (!dotProject.exists()) {
+			// no .project
+			return;
+		}
+		if (dotProjectContainsApiNature(dotProject)) {
+			generateBuildXML();
+		}
+	}
+	
+	private boolean dotProjectContainsApiNature(File f){
+		try{
+			DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
+			DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();
+			Document doc = dBuilder.parse(f);
+			doc.getDocumentElement().normalize();
+			NodeList natures = doc.getElementsByTagName("nature");
+			for (int i = 0; i < natures.getLength(); i++) {
+				 
+				   Node nature = natures.item(i);
+				   String sNature = nature.getTextContent();
+				   if( sNature != null){
+					   if(API_NATURE.equals(sNature.trim())){
+						   return true;
+					   }
+				   }
+			}
+		} catch (Exception e){
+			e.printStackTrace();
+			return false;
+		}
+		return false;
+	}
+	
+	private void generateBuildXML(){
+		try {
+			System.out.println("Generating .apibuild.xml");
+			File dotApiBuildXML = new File(project.getBasedir(), API_BUILD_XML_FILE);
+			BufferedWriter bw = new BufferedWriter(new FileWriter(dotApiBuildXML));
+			bw.write("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
+			bw.write("<project name=\"apigen\" default=\"apigen\">\n");
+			bw.write("  <target name=\"apigen\">\n");
+			bw.write("  	<apitooling.apigeneration    \n");
+			bw.write("      	projectname=\"" + calculateName() + "\"\n");
+			bw.write("      	project=\"" + project.getBasedir() + "\"\n");
+			bw.write("      	binary=\"" + project.getBuild().getDirectory() + "\"\n");
+			bw.write("      	target=\"" + project.getBuild().getDirectory() + "/classes\"\n");
+			bw.write("      	debug=\"true\"\n");
+			bw.write("      \n");
+			bw.write("      />\n");
+			bw.write("  </target>\n");
+			bw.write("</project>\n");
+			bw.flush();
+		} catch (IOException e) {
+			e.printStackTrace();
+		}
+	}
+	
+	private String calculateName() {
+		TychoProject projectType = projectTypes.get(project.getPackaging());
+		ArtifactKey artifactKey = projectType
+				.getArtifactKey(DefaultReactorProject.adapt(project));
+		String symbolicName = artifactKey.getId();
+		String version = artifactKey.getVersion();
+		return symbolicName + "_" + version;
+	}
+}