AntmodPropertiesTask


1   package org.antmod.conf;
2   
3   import java.io.File  ;
4   import java.util.Date  ;
5   import java.util.Enumeration  ;
6   
7   import org.antmod.buildplugin.BuildPluginFactory;
8   import org.antmod.descriptor.DescriptorStoreFactory;
9   import org.antmod.descriptor.ReleaseDescriptor;
10  import org.antmod.util.Os;
11  import org.apache.tools.ant.BuildException;
12  import org.apache.tools.ant.Task;
13  
14  /**
15   * Allows access to the antmod properties from within Ant build files,
16   * by loading the antmod configuration properties into the current Ant project
17   * as normal properties.
18   * 
19   * @author Klaas Waslander
20   */
21  public final class AntmodPropertiesTask extends Task {
22  
23      /**
24       * Executes the antmod properties task, loading the antmod configuration
25       * as properties into the current Ant project.
26       */
27      public void execute() throws BuildException {
28          try {
29              // first load regular antmod configuration 
30              AntmodProperties.loadIntoAnt(getProject());
31              
32              // set the plugin home directory properties
33              BuildPluginFactory.loadPluginHomesIntoAnt(getProject());
34  
35              // check if current release is known, and if so load its properties LAST, to override everything else
36              String   currentReleaseName = getProject().getProperty("antmod.release");
37              if (currentReleaseName != null) {
38                  ReleaseDescriptor currentRelease = DescriptorStoreFactory.getConfiguredDescriptorStore().getReleaseDescriptor(currentReleaseName);
39                  if (currentRelease != null) {
40                      // load properties of release into ant project, overriding existing ones (hehe)
41                      Enumeration   propNames = currentRelease.getProperties().propertyNames();
42                      String   propName;
43                      while (propNames.hasMoreElements()) {
44                          propName = (String  )propNames.nextElement();
45                          getProject().setProperty(propName, getProject().replaceProperties(currentRelease.getProperties().getProperty(propName)));
46                      }
47                      
48                      // register release-specific ant properties, such as mainmodule...
49                      currentRelease.registerReleaseAttributesInto(getProject());
50                  }
51              }
52          } catch (IllegalArgumentException   iae) {
53              throw new BuildException(iae);
54          }
55          
56          // make the timestamp of antmod.jar available as a property
57          getProject().setProperty("antmod.version.timestamp", new Date  (new File  (Os.getEnvironmentVariable("ANTMOD_HOME"), "lib" + File.separator + "antmod.jar").lastModified()).toString()); 
58      }
59  
60  }
61
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