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1   package org.apache.maven.execution;
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.util.Arrays;
24  import java.util.Date;
25  import java.util.List;
26  import java.util.Map;
27  import java.util.Properties;
28  import java.util.concurrent.ConcurrentHashMap;
29  
30  import org.apache.maven.artifact.repository.ArtifactRepository;
31  import org.apache.maven.artifact.repository.RepositoryCache;
32  import org.apache.maven.monitor.event.EventDispatcher;
33  import org.apache.maven.plugin.descriptor.PluginDescriptor;
34  import org.apache.maven.project.MavenProject;
35  import org.apache.maven.project.ProjectBuildingRequest;
36  import org.apache.maven.settings.Settings;
37  import org.codehaus.plexus.PlexusContainer;
38  import org.codehaus.plexus.component.repository.exception.ComponentLookupException;
39  import org.eclipse.aether.RepositorySystemSession;
40  
41  /**
42   * @author Jason van Zyl
43   */
44  public class MavenSession
45      implements Cloneable
46  {
47      private MavenExecutionRequest request;
48  
49      private MavenExecutionResult result;
50  
51      private RepositorySystemSession repositorySession;
52  
53      private Properties executionProperties;
54  
55      private MavenProject currentProject;
56  
57      /**
58       * These projects have already been topologically sorted in the {@link org.apache.maven.Maven} component before
59       * being passed into the session. This is also the potentially constrained set of projects by using --projects
60       * on the command line.
61       */
62      private List<MavenProject> projects;
63  
64      /**
65       * The full set of projects before any potential constraining by --projects. Useful in the case where you want to
66       * build a smaller set of projects but perform other operations in the context of your reactor.
67       */
68      private List<MavenProject> allProjects;
69  
70      private MavenProject topLevelProject;
71  
72      private ProjectDependencyGraph projectDependencyGraph;
73  
74      private boolean parallel;
75  
76      private final Map<String, Map<String, Map<String, Object>>> pluginContextsByProjectAndPluginKey =
77          new ConcurrentHashMap<String, Map<String, Map<String, Object>>>();
78  
79  
80      public void setProjects( List<MavenProject> projects )
81      {
82          if ( !projects.isEmpty() )
83          {
84              this.currentProject = projects.get( 0 );
85              this.topLevelProject = currentProject;
86              for ( MavenProject project : projects )
87              {
88                  if ( project.isExecutionRoot() )
89                  {
90                      topLevelProject = project;
91                      break;
92                  }
93              }
94          }
95          else
96          {
97              this.currentProject = null;
98              this.topLevelProject = null;
99          }
100         this.projects = projects;
101     }
102 
103     public ArtifactRepository getLocalRepository()
104     {
105         return request.getLocalRepository();
106     }
107 
108     public List<String> getGoals()
109     {
110         return request.getGoals();
111     }
112 
113     /**
114      * Gets the user properties to use for interpolation and profile activation. The user properties have been
115      * configured directly by the user on his discretion, e.g. via the {@code -Dkey=value} parameter on the command
116      * line.
117      *
118      * @return The user properties, never {@code null}.
119      */
120     public Properties getUserProperties()
121     {
122         return request.getUserProperties();
123     }
124 
125     /**
126      * Gets the system properties to use for interpolation and profile activation. The system properties are collected
127      * from the runtime environment like {@link System#getProperties()} and environment variables.
128      *
129      * @return The system properties, never {@code null}.
130      */
131     public Properties getSystemProperties()
132     {
133         return request.getSystemProperties();
134     }
135 
136     public Settings getSettings()
137     {
138         return settings;
139     }
140 
141     public List<MavenProject> getProjects()
142     {
143         return projects;
144     }
145 
146     public String getExecutionRootDirectory()
147     {
148         return request.getBaseDirectory();
149     }
150 
151     public MavenExecutionRequest getRequest()
152     {
153         return request;
154     }
155 
156     public void setCurrentProject( MavenProject currentProject )
157     {
158         this.currentProject = currentProject;
159     }
160 
161     public MavenProject getCurrentProject()
162     {
163         return currentProject;
164     }
165 
166     public ProjectBuildingRequest getProjectBuildingRequest()
167     {
168         return request.getProjectBuildingRequest().setRepositorySession( getRepositorySession() );
169     }
170 
171     public List<String> getPluginGroups()
172     {
173         return request.getPluginGroups();
174     }
175 
176     public boolean isOffline()
177     {
178         return request.isOffline();
179     }
180 
181     public MavenProject getTopLevelProject()
182     {
183         return topLevelProject;
184     }
185 
186     public MavenExecutionResult getResult()
187     {
188         return result;
189     }
190 
191     // Backward compat
192 
193     public Map<String, Object> getPluginContext( PluginDescriptor plugin, MavenProject project )
194     {
195         String projectKey = project.getId();
196 
197         Map<String, Map<String, Object>> pluginContextsByKey = pluginContextsByProjectAndPluginKey.get( projectKey );
198 
199         if ( pluginContextsByKey == null )
200         {
201             pluginContextsByKey = new ConcurrentHashMap<String, Map<String, Object>>();
202 
203             pluginContextsByProjectAndPluginKey.put( projectKey, pluginContextsByKey );
204         }
205 
206         String pluginKey = plugin.getPluginLookupKey();
207 
208         Map<String, Object> pluginContext = pluginContextsByKey.get( pluginKey );
209 
210         if ( pluginContext == null )
211         {
212             pluginContext = new ConcurrentHashMap<String, Object>();
213 
214             pluginContextsByKey.put( pluginKey, pluginContext );
215         }
216 
217         return pluginContext;
218     }
219 
220     public ProjectDependencyGraph getProjectDependencyGraph()
221     {
222         return projectDependencyGraph;
223     }
224 
225     public void setProjectDependencyGraph( ProjectDependencyGraph projectDependencyGraph )
226     {
227         this.projectDependencyGraph = projectDependencyGraph;
228     }
229 
230     public String getReactorFailureBehavior()
231     {
232         return request.getReactorFailureBehavior();
233     }
234 
235     @Override
236     public MavenSession clone()
237     {
238         try
239         {
240             return (MavenSession) super.clone();
241         }
242         catch ( CloneNotSupportedException e )
243         {
244             throw new RuntimeException( "Bug", e );
245         }
246     }
247 
248     public Date getStartTime()
249     {
250         return request.getStartTime();
251     }
252 
253     public boolean isParallel()
254     {
255         return parallel;
256     }
257 
258     public void setParallel( boolean parallel )
259     {
260         this.parallel = parallel;
261     }
262 
263     public RepositorySystemSession getRepositorySession()
264     {
265         return repositorySession;
266     }
267 
268     private Map<String, MavenProject> projectMap;
269 
270     public void setProjectMap( Map<String, MavenProject> projectMap )
271     {
272         this.projectMap = projectMap;
273     }
274     
275     /** This is a provisional method and may be removed */
276     public List<MavenProject> getAllProjects()
277     {
278         return allProjects;
279     }
280 
281     /** This is a provisional method and may be removed */
282     public void setAllProjects( List<MavenProject> allProjects )
283     {
284         this.allProjects = allProjects;
285     }
286     
287     /*if_not[MAVEN4]*/
288 
289     //
290     // Deprecated 
291     //
292         
293     private PlexusContainer container;    
294     
295     private final Settings settings;
296     
297     @Deprecated
298     /** @deprecated This appears to only be used in the ReactorReader and we can do any processing required there */
299     public Map<String, MavenProject> getProjectMap() 
300     {
301         return projectMap;
302     }
303     
304     @Deprecated
305     public MavenSession( PlexusContainer container, RepositorySystemSession repositorySession,
306                          MavenExecutionRequest request, MavenExecutionResult result )
307     {
308         this.container = container;
309         this.request = request;
310         this.result = result;
311         this.settings = new SettingsAdapter( request );
312         this.repositorySession = repositorySession;
313     }
314     
315     @Deprecated
316     public MavenSession( PlexusContainer container, MavenExecutionRequest request, MavenExecutionResult result,
317                          MavenProject project )
318     {
319         this( container, request, result, Arrays.asList( new MavenProject[]{project} ) );
320     }
321 
322     @Deprecated
323     public MavenSession( PlexusContainer container, Settings settings, ArtifactRepository localRepository,
324                          EventDispatcher eventDispatcher, ReactorManager unused, List<String> goals,
325                          String executionRootDir, Properties executionProperties, Date startTime )
326     {
327         this( container, settings, localRepository, eventDispatcher, unused, goals, executionRootDir,
328               executionProperties, null, startTime );
329     }
330 
331     @Deprecated
332     public MavenSession( PlexusContainer container, Settings settings, ArtifactRepository localRepository,
333                          EventDispatcher eventDispatcher, ReactorManager unused, List<String> goals,
334                          String executionRootDir, Properties executionProperties, Properties userProperties,
335                          Date startTime )
336     {
337         this.container = container;
338         this.settings = settings;
339         this.executionProperties = executionProperties;
340         this.request = new DefaultMavenExecutionRequest();
341         this.request.setUserProperties( userProperties );
342         this.request.setLocalRepository( localRepository );
343         this.request.setGoals( goals );
344         this.request.setBaseDirectory( ( executionRootDir != null ) ? new File( executionRootDir ) : null );
345         this.request.setStartTime( startTime );
346     }
347 
348     @Deprecated
349     public MavenSession( PlexusContainer container, MavenExecutionRequest request, MavenExecutionResult result,
350                          List<MavenProject> projects )
351     {
352         this.container = container;
353         this.request = request;
354         this.result = result;
355         this.settings = new SettingsAdapter( request );
356         setProjects( projects );
357     }
358 
359     @Deprecated
360     public List<MavenProject> getSortedProjects()
361     {
362         return getProjects();
363     }
364     
365     @Deprecated
366     //
367     // Used by Tycho and will break users and force them to upgrade to Maven 3.1 so we should really leave
368     // this here, possibly indefinitely.
369     //
370     public RepositoryCache getRepositoryCache()
371     {
372         return null;
373     }
374 
375     @Deprecated
376     public EventDispatcher getEventDispatcher()
377     {
378         return null;
379     }
380 
381     @Deprecated
382     public boolean isUsingPOMsFromFilesystem()
383     {
384         return request.isProjectPresent();
385     }
386 
387     /**
388      * @deprecated Use either {@link #getUserProperties()} or {@link #getSystemProperties()}.
389      */
390     @Deprecated
391     public Properties getExecutionProperties()
392     {
393         if ( executionProperties == null )
394         {
395             executionProperties = new Properties();
396             executionProperties.putAll( request.getSystemProperties() );
397             executionProperties.putAll( request.getUserProperties() );
398         }
399 
400         return executionProperties;
401     }
402     
403     @Deprecated
404     public PlexusContainer getContainer()
405     {
406         return container;
407     }
408 
409     @Deprecated
410     public Object lookup( String role )
411         throws ComponentLookupException
412     {
413         return container.lookup( role );
414     }
415 
416     @Deprecated
417     public Object lookup( String role, String roleHint )
418         throws ComponentLookupException
419     {
420         return container.lookup( role, roleHint );
421     }
422 
423     @Deprecated
424     public List<Object> lookupList( String role )
425         throws ComponentLookupException
426     {
427         return container.lookupList( role );
428     }
429 
430     @Deprecated
431     public Map<String, Object> lookupMap( String role )
432         throws ComponentLookupException
433     {
434         return container.lookupMap( role );
435     }   
436     
437     /*end[MAVEN4]*/
438 }