1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19 package org.apache.maven.plugins.invoker;
20
21 import java.io.File;
22 import java.io.IOException;
23 import java.io.Reader;
24
25 import org.apache.maven.model.Model;
26 import org.apache.maven.model.io.xpp3.MavenXpp3Reader;
27 import org.apache.maven.plugin.MojoExecutionException;
28 import org.codehaus.plexus.util.ReaderFactory;
29 import org.codehaus.plexus.util.xml.pull.XmlPullParserException;
30
31 /**
32 * Provides utility methods for POM processing.
33 *
34 * @author Benjamin Bentmann
35 */
36 class PomUtils {
37
38 /**
39 * Loads the (raw) model from the specified POM file.
40 *
41 * @param pomFile The path to the POM file to load, must not be <code>null</code>.
42 * @return The raw model, never <code>null</code>.
43 * @throws MojoExecutionException If the POM file could not be loaded.
44 */
45 public static Model loadPom(File pomFile) throws MojoExecutionException {
46 try (Reader reader = ReaderFactory.newXmlReader(pomFile)) {
47 return new MavenXpp3Reader().read(reader, false);
48 } catch (XmlPullParserException e) {
49 throw new MojoExecutionException("Failed to parse POM: " + pomFile, e);
50 } catch (IOException e) {
51 throw new MojoExecutionException("Failed to read POM: " + pomFile, e);
52 }
53 }
54 }