WkspJarFactoryContainer


1   /*******************************************************************************
2    * Copyright (c) 2005, 2007 BEA Systems, Inc.
3    * All rights reserved. This program and the accompanying materials
4    * are made available under the terms of the Eclipse Public License v1.0
5    * which accompanies this distribution, and is available at
6    * http://www.eclipse.org/legal/epl-v10.html
7    *
8    * Contributors:
9    *   wharley@bea.com - initial API and implementation
10   *******************************************************************************/
11  
12  package org.eclipse.jdt.apt.core.internal;
13  
14  import java.io.File  ;
15  
16  import org.eclipse.core.resources.IResource;
17  import org.eclipse.core.resources.IWorkspaceRoot;
18  import org.eclipse.core.resources.ResourcesPlugin;
19  import org.eclipse.core.runtime.IPath;
20  import org.eclipse.core.runtime.IStatus;
21  
22  /**
23   * Annotation processor factory container based on a jar file 
24   * within the workspace.
25   */
26  public class WkspJarFactoryContainer extends JarFactoryContainer {
27  
28      private final String   _id;
29      private final File   _jarFile; // A java.io.File, not guaranteed to exist.
30  
31      /**
32       * Construct a workspace-jar container from an IPath representing
33       * the jar file's location in the workspace.  We will construct
34       * the container even if the file does not exist.
35       * @param jar an IPath representing a jar file in the workspace;
36       * the path is relative to the workspace root.
37       */
38      public WkspJarFactoryContainer(IPath jar) {
39          _id = jar.toString();
40          IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();
41          IResource res = root.findMember(_id);
42          if (null == res) {
43              // The file evidently doesn't exist on disk.  Do our best to 
44              // construct a java.io.File for it anyway.
45              _jarFile = root.getLocation().append(jar).toFile();
46              
47          }
48          else if (res.getType() == IResource.FILE) {
49              _jarFile = res.getLocation().toFile();
50          }
51          else {
52              _jarFile = null;
53              IStatus s = AptPlugin.createWarningStatus(
54                  null, "The factorypath entry " + _id + " does not refer to a jar file"); //$NON-NLS-1$ //$NON-NLS-2$
55              AptPlugin.log(s);
56          }
57      }
58  
59      @Override  
60      public FactoryType getType() {
61          return FactoryType.WKSPJAR;
62      }
63  
64      /* (non-Javadoc)
65       * @see org.eclipse.jdt.apt.core.internal.JarFactoryContainer#getJarFile()
66       */
67      @Override  
68      public File   getJarFile() {
69          return _jarFile;
70      }
71  
72      /* (non-Javadoc)
73       * @see org.eclipse.jdt.apt.core.FactoryContainer#getId()
74       */
75      @Override  
76      public String   getId() {
77          return _id;
78      }
79  }
80
A to Z: JavaDoc & Examples Daily Java News & Articles Open Source Projects Open Source Codes Free Computer Books Remove Frame
Popular Tags