1 package org.apache.maven.model.building;
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.FileInputStream;
24 import java.io.IOException;
25 import java.io.InputStream;
26 import java.net.URI;
27
28 /**
29 * Wraps an ordinary {@link File} as a model source.
30 *
31 * @author Benjamin Bentmann
32 */
33 public class FileModelSource
34 implements ModelSource2
35 {
36 private final File pomFile;
37
38 /**
39 * Creates a new model source backed by the specified file.
40 *
41 * @param pomFile The POM file, must not be {@code null}.
42 */
43 public FileModelSource( File pomFile )
44 {
45 if ( pomFile == null )
46 {
47 throw new IllegalArgumentException( "no POM file specified" );
48 }
49 this.pomFile = pomFile.getAbsoluteFile();
50 }
51
52 public InputStream getInputStream()
53 throws IOException
54 {
55 return new FileInputStream( pomFile );
56 }
57
58 public String getLocation()
59 {
60 return pomFile.getPath();
61 }
62
63 /**
64 * Gets the POM file of this model source.
65 *
66 * @return The underlying POM file, never {@code null}.
67 */
68 public File getPomFile()
69 {
70 return pomFile;
71 }
72
73 @Override
74 public String toString()
75 {
76 return getLocation();
77 }
78
79 public ModelSource2 getRelatedSource( String relPath )
80 {
81 relPath = relPath.replace( '\\', File.separatorChar ).replace( '/', File.separatorChar );
82
83 File relatedPom = new File( pomFile.getParentFile(), relPath );
84
85 if ( relatedPom.isDirectory() )
86 {
87 // TODO figure out how to reuse ModelLocator.locatePom(File) here
88 relatedPom = new File( relatedPom, "pom.xml" );
89 }
90
91 if ( relatedPom.isFile() && relatedPom.canRead() )
92 {
93 return new FileModelSource( new File( relatedPom.toURI().normalize() ) );
94 }
95
96 return null;
97 }
98
99 public URI getLocationURI()
100 {
101 return pomFile.toURI();
102 }
103 }