1 package org.apache.maven.plugins.invoker;
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.File;
23 import java.io.IOException;
24 import java.io.Reader;
25
26 import org.apache.maven.model.Model;
27 import org.apache.maven.model.io.xpp3.MavenXpp3Reader;
28 import org.apache.maven.plugin.MojoExecutionException;
29 import org.codehaus.plexus.util.ReaderFactory;
30 import org.codehaus.plexus.util.xml.pull.XmlPullParserException;
31
32 /**
33 * Provides utility methods for POM processing.
34 *
35 * @author Benjamin Bentmann
36 */
37 class PomUtils
38 {
39
40 /**
41 * Loads the (raw) model from the specified POM file.
42 *
43 * @param pomFile The path to the POM file to load, must not be <code>null</code>.
44 * @return The raw model, never <code>null</code>.
45 * @throws MojoExecutionException If the POM file could not be loaded.
46 */
47 public static Model loadPom( File pomFile )
48 throws MojoExecutionException
49 {
50 try ( Reader reader = ReaderFactory.newXmlReader( pomFile ) )
51 {
52 return new MavenXpp3Reader().read( reader, false );
53 }
54 catch ( XmlPullParserException e )
55 {
56 throw new MojoExecutionException( "Failed to parse POM: " + pomFile, e );
57 }
58 catch ( IOException e )
59 {
60 throw new MojoExecutionException( "Failed to read POM: " + pomFile, e );
61 }
62 }
63
64 }