AntImportNode


1   /*******************************************************************************
2    * Copyright (c) 2004 IBM Corporation and others.
3    * All rights reserved. This program and the accompanying materials 
4    * are made available under the terms of the Common Public License v1.0
5    * which accompanies this distribution, and is available at
6    * http://www.eclipse.org/legal/cpl-v10.html
7    * 
8    * Contributors:
9    *     IBM Corporation - initial API and implementation
10   *******************************************************************************/
11  
12  package org.eclipse.ant.internal.ui.editor.model;
13  
14  import org.apache.tools.ant.BuildException;
15  import org.apache.tools.ant.Task;
16  import org.eclipse.ant.internal.ui.model.AntUIImages;
17  import org.eclipse.ant.internal.ui.model.AntUtil;
18  import org.eclipse.ant.internal.ui.model.IAntUIConstants;
19  import org.eclipse.ant.internal.ui.preferences.AntEditorPreferenceConstants;
20  import org.eclipse.core.resources.IFile;
21  import org.eclipse.jface.resource.ImageDescriptor;
22  import org.xml.sax.Attributes  ;
23  
24  public class AntImportNode extends AntTaskNode {
25      
26      private String   fFile= null;
27      
28      public AntImportNode(Task task, Attributes   attributes) {
29          super(task);
30           fFile= attributes.getValue(IAntModelConstants.ATTR_FILE);
31      }
32      
33      public String   getFile() {
34          return fFile;
35      }
36      
37      /* (non-Javadoc)
38       * @see org.eclipse.ant.internal.ui.editor.model.AntElementNode#getBaseImageDescriptor()
39       */
40      protected ImageDescriptor getBaseImageDescriptor() {
41          return AntUIImages.getImageDescriptor(IAntUIConstants.IMG_ANT_IMPORT);
42      }
43      
44      public String   getLabel() {
45          StringBuffer   label= new StringBuffer  (getTask().getTaskName());
46          label.append(' ');
47          label.append(fFile);
48          
49          if (isExternal()) {
50              appendEntityName(label);
51          }
52          return label.toString();
53      }
54  
55      /**
56       * Execute the import.
57       * Returns <code>true</code> as the import adds to the Ant model
58       */
59      public boolean configure(boolean validateFully) {
60          if (configured) {
61              return false;
62          }
63          try {
64              getTask().maybeConfigure();
65              getTask().execute();
66              configured= true;
67              return true;
68          } catch (BuildException be) {
69              handleBuildException(be, AntEditorPreferenceConstants.PROBLEM_IMPORTS);
70          }
71          return false;
72      }
73      
74      public IFile getIFile() {
75          IFile file;
76          if (isExternal()) {
77              file= AntUtil.getFileForLocation(getFilePath(), null);
78          } else {
79              String   path= getFile();
80              file= AntUtil.getFileForLocation(path, getAntModel().getEditedFile().getParentFile());
81          }
82          return file;
83      }
84  }
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