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1   package org.apache.maven.plugins.shade.pom;
2   
3   /*
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *   http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.
20   */
21  
22  import java.io.IOException;
23  import java.io.Writer;
24  
25  import org.apache.maven.model.Model;
26  import org.jdom2.Document;
27  import org.jdom2.Element;
28  import org.jdom2.Namespace;
29  import org.jdom2.output.Format;
30  
31  /**
32   * @author Jason van Zyl
33   */
34  public class PomWriter
35  {
36      public static void write( Writer w, Model newModel )
37          throws IOException
38      {
39          write( w, newModel, false );
40      }
41  
42      public static void write( Writer w, Model newModel, boolean namespaceDeclaration )
43          throws IOException
44      {
45          Element root = new Element( "project" );
46  
47          if ( namespaceDeclaration )
48          {
49              String modelVersion = newModel.getModelVersion();
50  
51              Namespace pomNamespace = Namespace.getNamespace( "", "http://maven.apache.org/POM/" + modelVersion );
52  
53              root.setNamespace( pomNamespace );
54  
55              Namespace xsiNamespace = Namespace.getNamespace( "xsi", "http://www.w3.org/2001/XMLSchema-instance" );
56  
57              root.addNamespaceDeclaration( xsiNamespace );
58  
59              if ( root.getAttribute( "schemaLocation", xsiNamespace ) == null )
60              {
61                  root.setAttribute( "schemaLocation",
62                                     "http://maven.apache.org/POM/" + modelVersion + " http://maven.apache.org/maven-v"
63                                         + modelVersion.replace( '.', '_' ) + ".xsd", xsiNamespace );
64              }
65          }
66  
67          Document doc = new Document( root );
68  
69          MavenJDOMWriter writer = new MavenJDOMWriter();
70  
71          String encoding = newModel.getModelEncoding() != null ? newModel.getModelEncoding() : "UTF-8";
72  
73          Format format = Format.getPrettyFormat().setEncoding( encoding );
74  
75          writer.write( newModel, doc, w, format );
76      }
77  }