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.jdom.Document;
27  import org.jdom.Element;
28  import org.jdom.Namespace;
29  import org.jdom.output.Format;
30  
31  /**
32   * @since 3.6
33   */
34  public class PomWriter
35  {
36      public static void write( Writer w,
37                                Model newModel )
38          throws IOException
39          {
40          write( w, newModel, false );
41      }
42  
43      public static void write( Writer w,
44                                Model newModel,
45                                boolean namespaceDeclaration )
46          throws IOException
47      {
48          Element root = new Element( "project" );
49  
50          if ( namespaceDeclaration )
51          {
52              String modelVersion = newModel.getModelVersion();
53  
54              Namespace pomNamespace = Namespace.getNamespace( "", "http://maven.apache.org/POM/" + modelVersion );
55  
56              root.setNamespace( pomNamespace );
57  
58              Namespace xsiNamespace = Namespace.getNamespace( "xsi", "http://www.w3.org/2001/XMLSchema-instance" );
59  
60              root.addNamespaceDeclaration( xsiNamespace );
61  
62              if ( root.getAttribute( "schemaLocation", xsiNamespace ) == null )
63              {
64                  root.setAttribute( "schemaLocation", "http://maven.apache.org/POM/" + modelVersion
65                      + " http://maven.apache.org/maven-v" + modelVersion.replace( '.', '_' ) + ".xsd", xsiNamespace );
66              }
67          }
68  
69          Document doc = new Document( root );
70  
71          MavenJDOMWriter writer = new MavenJDOMWriter();
72  
73          String encoding = newModel.getModelEncoding() != null ? newModel.getModelEncoding() : "UTF-8";
74  
75          Format format = Format.getPrettyFormat().setEncoding( encoding );
76  
77          writer.write( newModel, doc, w, format );
78      }
79  }