package org.apache.torque.mojo;

 import java.io.File;

 import java.io.IOException;

 import org.apache.maven.plugin.MojoExecutionException;

 import org.apache.torque.mojo.morph.FileMorphRequest;

 import org.apache.torque.mojo.morph.MorphRequest;

 import org.apache.torque.mojo.morph.Morpher;

 import org.apache.torque.mojo.morph.VersionTableMorpher;

 import org.codehaus.plexus.util.FileUtils;

 /**

  * Morph the xml inside KS_DB_VERSION.xml so it has Maven friendly placeholders

  * for version info

  * 

  * @goal morphversiontable

  * @phase generate-sources

  */

 public class MorphVersionTableMojo extends AbstractMorphSingleMojo {

         /**

          * The XML file that will contain the new information

          * 

          * @parameter expression="${newVersionXMLFile}" default-value=

          *            "${project.build.directory}/generated-impex/xml/KS_DB_VERSION.xml"

          * @required

          */

         private File newVersionXMLFile;

         /**

          * The XML file that contains the old information

          * 

          * @parameter expression="${oldVersionXMLFile}" default-value=

          *            "${project.build.directory}/generated-impex/xml/KS_DB_VERSION.xml"

          * @required

          */

         private File oldVersionXMLFile;

         protected void beforeExecution() {

                 setNewFile(newVersionXMLFile);

                 setOldFile(oldVersionXMLFile);

         }

         @Override

         protected boolean isMorphNeeded() {

                 // Only reason

                 if (!getOldFile().exists()) {

                         getLog().debug("file:" + getOldFile().getAbsolutePath() + " does not exist");

                         return false;

                 } else {

                         return true;

                 }

         }

         @Override

         protected void executeMojo() throws MojoExecutionException {

                 getLog().info("------------------------------------------------------------------------");

                 getLog().info("Converting version table XML file");

                 getLog().info("------------------------------------------------------------------------");

                 try {

                         FileUtils.forceMkdir(new File(FileUtils.getPath(getNewFile().getAbsolutePath())));

                         MorphRequest request = new FileMorphRequest(getOldFile(), getNewFile());

                         request.setName(getOldFile().getName());

                         request.setEncoding(getEncoding());

                         Morpher morpher = getMorpher(request, getProject().getArtifactId());

                         morpher.executeMorph();

                 } catch (IOException e) {

                         throw new MojoExecutionException("Unexpected error while attempting to morph " + getOldFile().getAbsolutePath(), e);

                 }

         }

         protected Morpher getMorpher(MorphRequest request, String artifactId) {

                 VersionTableMorpher morpher = new VersionTableMorpher(request, artifactId);

                 morpher.setProjectVersion(getProject().getVersion());

                 return morpher;

         }

         /**

          * @return the newVersionXMLFile

          */

         public File getNewVersionXMLFile() {

                 return newVersionXMLFile;

         }

         /**

          * @param newVersionXMLFile

          *            the newVersionXMLFile to set

          */

         public void setNewVersionXMLFile(final File newVersionXMLFile) {

                 this.newVersionXMLFile = newVersionXMLFile;

         }

         /**

          * @return the oldVersionXMLFile

          */

         public File getOldVersionXMLFile() {

                 return oldVersionXMLFile;

         }

         /**

          * @param oldVersionXMLFile

          *            the oldVersionXMLFile to set

          */

         public void setOldVersionXMLFile(final File oldVersionXMLFile) {

                 this.oldVersionXMLFile = oldVersionXMLFile;

         }

 }