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1   package org.apache.maven.plugins.ear;
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 org.apache.maven.artifact.Artifact;
23  import org.apache.maven.plugin.MojoFailureException;
24  import org.codehaus.plexus.util.xml.XMLWriter;
25  
26  import java.util.Set;
27  
28  /**
29   * The ear module interface.
30   * 
31   * @author <a href="snicoll@apache.org">Stephane Nicoll</a>
32   */
33  public interface EarModule
34  {
35  
36      /**
37       * Returns the {@link Artifact} representing this module.
38       * 
39       * Note that this might return {@code null} till the module has been resolved.
40       * 
41       * @return the artifact
42       * @see #resolveArtifact(java.util.Set)
43       */
44      Artifact getArtifact();
45  
46      /**
47       * Returns the {@code URI} for this module.
48       * 
49       * @return the {@code URI}
50       */
51      String getUri();
52  
53      /**
54       * Returns the type associated to the module.
55       * 
56       * @return the artifact's type of the module
57       */
58      String getType();
59  
60      /**
61       * Specify whether this module should be excluded or not.
62       * 
63       * @return true if this module should be skipped, false otherwise
64       */
65      boolean isExcluded();
66  
67      /**
68       * Specify whether this module should be unpacked in the EAR archive or not.
69       *
70       * Returns null if no configuration was specified so that defaulting may apply.
71       * 
72       * @return true if this module should be bundled unpacked, false otherwise
73       */
74      Boolean shouldUnpack();
75  
76      /**
77       * The alt-dd element specifies an optional URI to the post-assembly version of the deployment descriptor file for a
78       * particular Java EE module. The URI must specify the full pathname of the deployment descriptor file relative to
79       * the application's root directory.
80       * 
81       * @return the alternative deployment descriptor for this module
82       * @since JavaEE 5
83       */
84      String getAltDeploymentDescriptor();
85  
86      /**
87       * Appends the {@code XML} representation of this module.
88       * 
89       * @param writer the writer to use
90       * @param version the version of the {@code application.xml} file
91       * @param generateId whether an id should be generated
92       */
93      void appendModule( XMLWriter writer, String version, Boolean generateId );
94  
95      /**
96       * Resolves the {@link Artifact} represented by the module. Note that the {@link EarExecutionContext} might be used
97       * to customize further the resolution.
98       * 
99       * @param artifacts the project's artifacts
100      * @throws EarPluginException if the artifact could not be resolved
101      * @throws MojoFailureException if an unexpected error occurred
102      */
103     void resolveArtifact( Set<Artifact> artifacts )
104         throws EarPluginException, MojoFailureException;
105 
106     /**
107      * @param earExecutionContext The execution context.
108      */
109     void setEarExecutionContext( EarExecutionContext earExecutionContext );
110 
111     /**
112      * @return the state if manifest classpath will be changed or not.
113      */
114     boolean changeManifestClasspath();
115 
116     /**
117      * @return The directory of the module which contains the JAR libraries packaged within the module.
118      * Can be {@code null}, which means that module doesn't contain any packaged libraries.
119      */
120     String getLibDir();
121 
122     /**
123      * Returns the bundle file name. If {@code null}, the artifact's file name is returned.
124      *
125      * @return the bundle file name
126      */
127     String getBundleFileName();
128 
129     /**
130      * If module should be included into the Class-Path entry of MANIFEST.mf. Doesn't impact Class-Path entry of
131      * MANIFEST.mf of modules which contain all of their dependencies unless skinnyWars / skinnyModules is turned on.
132      *
133      * @return {@code }True} if module should be included into the Class-Path entry of MANIFEST.mf
134      */
135     boolean isClassPathItem();
136 
137 }