package org.apache.maven.plugins.shade.pom;

 /*

  * 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.

  */

 import java.io.IOException;

 import java.io.Writer;

 import org.apache.maven.model.Model;

 import org.jdom.Document;

 import org.jdom.Element;

 import org.jdom.Namespace;

 import org.jdom.output.Format;

 /** @author Jason van Zyl */

 public class PomWriter

 {

     public static void write( Writer w,

                               Model newModel )

         throws IOException

         {

         write( w, newModel, false );

     }

     public static void write( Writer w,

                               Model newModel,

                               boolean namespaceDeclaration )

         throws IOException

     {

         Element root = new Element( "project" );

         if ( namespaceDeclaration )

         {

             String modelVersion = newModel.getModelVersion();

             Namespace pomNamespace = Namespace.getNamespace( "", "http://maven.apache.org/POM/" + modelVersion );

             root.setNamespace( pomNamespace );

             Namespace xsiNamespace = Namespace.getNamespace( "xsi", "http://www.w3.org/2001/XMLSchema-instance" );

             root.addNamespaceDeclaration( xsiNamespace );

             if ( root.getAttribute( "schemaLocation", xsiNamespace ) == null )

             {

                 root.setAttribute( "schemaLocation", "http://maven.apache.org/POM/" + modelVersion

                     + " http://maven.apache.org/maven-v" + modelVersion.replace( '.', '_' ) + ".xsd", xsiNamespace );

             }

         }

         Document doc = new Document( root );

         MavenJDOMWriter writer = new MavenJDOMWriter();

         String encoding = newModel.getModelEncoding() != null ? newModel.getModelEncoding() : "UTF-8";

         Format format = Format.getPrettyFormat().setEncoding( encoding );

         writer.write( newModel, doc, w, format );

     }

 }