svn commit: r1449921 - /uima/sandbox/uimafit/trunk/uimafit-maven-plugin/src/main/java/org/apache/uima/fit/maven/GenerateDescriptorsMojo.java

[re...@apache.org]

Author: rec
Date: Mon Feb 25 22:06:42 2013
New Revision: 1449921

URL: http://svn.apache.org/r1449921
Log:
[UIMA-2598] uimaFIT meta data file pointing to the location of XML descriptors 
https://issues.apache.org/jira/browse/UIMA-2598
- write META-INF/org.apache.uima.fit/components.txt unless option to skip is set

Modified:
    uima/sandbox/uimafit/trunk/uimafit-maven-plugin/src/main/java/org/apache/uima/fit/maven/GenerateDescriptorsMojo.java

Modified: uima/sandbox/uimafit/trunk/uimafit-maven-plugin/src/main/java/org/apache/uima/fit/maven/GenerateDescriptorsMojo.java
URL: http://svn.apache.org/viewvc/uima/sandbox/uimafit/trunk/uimafit-maven-plugin/src/main/java/org/apache/uima/fit/maven/GenerateDescriptorsMojo.java?rev=1449921&r1=1449920&r2=1449921&view=diff
==============================================================================
--- uima/sandbox/uimafit/trunk/uimafit-maven-plugin/src/main/java/org/apache/uima/fit/maven/GenerateDescriptorsMojo.java (original)
+++ uima/sandbox/uimafit/trunk/uimafit-maven-plugin/src/main/java/org/apache/uima/fit/maven/GenerateDescriptorsMojo.java Mon Feb 25 22:06:42 2013
@@ -25,6 +25,7 @@ import java.io.OutputStream;
 import java.lang.reflect.Modifier;
 
 import org.apache.commons.io.IOUtils;
+import org.apache.commons.lang.exception.ExceptionUtils;
 import org.apache.maven.plugin.AbstractMojo;
 import org.apache.maven.plugin.MojoExecutionException;
 import org.apache.maven.plugins.annotations.Component;
@@ -64,6 +65,18 @@ public class GenerateDescriptorsMojo ext
   @Parameter(defaultValue="${project.build.directory}/generated-sources/uimafit", required=true)
   private File outputDirectory;
   
+  /**
+   * Skip generation of META-INF/org.apache.uima.fit/components.txt
+   */
+  @Parameter(defaultValue = "false", required = true)
+  private boolean skipComponentsManifest;
+
+  /**
+   * Source file encoding.
+   */
+  @Parameter(defaultValue = "${project.build.sourceEncoding}", required = true)
+  private String encoding;
+
   public void execute() throws MojoExecutionException {
     // add the generated sources to the build
     if (!outputDirectory.exists()) {
@@ -78,6 +91,9 @@ public class GenerateDescriptorsMojo ext
 
     componentLoader = Util.getClassloader(project, getLog());
 
+    // List of components that is later written to META-INF/org.apache.uima.fit/components.txt
+    StringBuilder componentsManifest = new StringBuilder();
+
     for (String file : files) {
       String base = file.substring(0, file.length() - 6);
       String clazzPath = base.substring(project.getBuild().getOutputDirectory().length() + 1);
@@ -105,6 +121,9 @@ public class GenerateDescriptorsMojo ext
           File out = new File(outputDirectory, clazzPath+".xml");
           out.getParentFile().mkdirs();
           toXML(desc, out.getPath());
+          
+          // Remember component
+          componentsManifest.append("classpath*:").append(clazzPath+".xml").append('\n');
         }
       } catch (SAXException e) {
         getLog().warn("Cannot serialize descriptor for [" + clazzName + "]", e);
@@ -116,6 +135,18 @@ public class GenerateDescriptorsMojo ext
         getLog().warn("Cannot generate descriptor for [" + clazzName + "]", e);
       }
     }
+    
+    // Write META-INF/org.apache.uima.fit/components.txt
+    if (!skipComponentsManifest) {
+      File path = new File(outputDirectory, "META-INF/org.apache.uima.fit/components.txt");
+      FileUtils.mkdir(path.getParent());
+      try {
+        FileUtils.fileWrite(path.getPath(), encoding, componentsManifest.toString());
+      } catch (IOException e) {
+        throw new MojoExecutionException("Cannot write components manifest to [" + path + "]"
+                + ExceptionUtils.getRootCauseMessage(e), e);
+      }
+    }
   }
 
   /**