Java Code Examples for org.openide.filesystems.FileObject#revert()

public void testRemovedFile() throws Exception {
    FileObject existingFile = FileUtil.getConfigFile( "foo/test1" );
    
    assertNotNull( existingFile );
    
    existingFile.delete();
    
    File maskFile = new File( new File( configDir, "foo"), "test1_hidden" );
    assertTrue( maskFile.exists() );

    FileObject newFile = FileUtil.getConfigFile("foo");
    assertTrue(newFile.canRevert());
    newFile.revert();
    
    assertFalse( "local file removed", maskFile.exists() );
    assertNotNull( "FileObject exists again", FileUtil.getConfigFile( "foo/test1" ) );
}
 

public void testRenamedFile() throws Exception {
    FileObject existingFile = FileUtil.getConfigFile( "foo/test1" );
    
    assertNotNull( existingFile );
    
    FileLock lock = existingFile.lock();
    existingFile.rename( lock, "newName", "newExt" );
    lock.releaseLock();
    
    assertNotNull( FileUtil.getConfigFile( "foo/newName.newExt" ) );
    
    File maskFile = new File( new File( configDir, "foo"), "test1_hidden" );
    assertTrue( maskFile.exists() );
    
    FileObject newFile = FileUtil.getConfigFile("foo");
    assertTrue(newFile.canRevert());
    newFile.revert();
    
    assertFalse( "local file removed", maskFile.exists() );
    assertNotNull( "FileObject exists again", FileUtil.getConfigFile( "foo/test1" ) );
    assertNull( "renamed file is gone", FileUtil.getConfigFile( "foo/newName.newExt" ) );
}
 

public static void disableUnused(int howMuch) throws Exception {
    FileObject fo = FileUtil.getConfigFile("Modules"); // NOI18N
    final FileObject[] arr = fo.getChildren();
    boolean first = true;
    for (int i = 0; i < arr.length; i++) {
        FileObject module = arr[i];
        final Object when = module.getAttribute("ergonomicsEnabled"); // NOI18N
        LOG.log(Level.FINEST, "Checking {0}: {1}", new Object[] { module, when });
        if (!(when instanceof Long) || ((Long) when) < module.lastModified().getTime()) {
            continue;
        }
        final Object unused = module.getAttribute("ergonomicsUnused"); // NOI18N
        LOG.log(Level.FINEST, "Unused {0}", unused);
        if (!(unused instanceof Number) || ((Number)unused).intValue() < howMuch) {
            continue;
        }
        String cnb = module.getName().replace('-', '.');
        if (first) {
            LOG.info("Long time unused modules found, disabling:"); // NOI18N
            first = false;
        }
        LOG.info(cnb);
        module.revert();
    }
}
 

private static void delete(FileObject file) throws IOException { // cf. #162526
    if (file.canRevert()) {
        file.revert();
    } else {
        throw new IOException("Could not delete " + file);
    }
}
 

public void testAddedFile() throws Exception {
    FileObject folder = FileUtil.getConfigFile( "foo" );
    FileObject newFile = folder.createData( "newFile", "ext" );
    
    File writableFile = new File( new File( configDir, "foo"), "newFile.ext" );
    assertTrue( writableFile.exists() );

    assertTrue(newFile.canRevert());
    newFile.revert();
    
    assertFalse( "local file removed", writableFile.exists() );
    assertNull( "FileObject does not exist", FileUtil.getConfigFile( "foo/newFile.ext" ) );
}
 

public void testFolder() throws Exception {
    FileObject folder = FileUtil.getConfigFile("foo");
    folder.createData("newFile", "ext");
    File writableFolder = new File(configDir, "foo");
    assertTrue(writableFolder.isDirectory());
    assertTrue(folder.canRevert());
    folder.revert();
    assertFalse("local file removed", new File(writableFolder, "newFile.ext").exists());
    assertNull("FileObject does not exist", FileUtil.getConfigFile("foo/newFile.ext"));
    folder = FileUtil.getConfigFile("foo");
    assertNotNull("folder still there in layer", folder);
    assertFalse("no longer considered modified", folder.canRevert());
}
 

public void actionPerformed(ActionEvent e) {
    String name = ToolbarPool.getDefault().getConfiguration();
    FileObject fo = FileUtil.getConfigFile( "Toolbars" ); //NOI18N
    try {
        fo.revert();
    } catch (IOException ex) {
        Logger.getLogger(ResetToolbarsAction.class.getName()).log( Level.FINE, null, ex );
    }
    ToolbarPool.getDefault().waitFinished();
    ToolbarPool.getDefault().setConfiguration(name);
}
 

/**
 * The test simulates a situation in which a .shadow file in the user
 * configuration is reverted, and an original contents/atributes,
 * with a different target, are revealed.
 * <p/>
 * The DataShadow should at least produce the appropriate cookies.
 * 
 * @throws Exception T
 */
public void testShadowFileReverted() throws Exception {

    clearWorkDir();
    
    File wd = getWorkDir();
    File homeDir = new File(wd, "home");
    File localDir = new File(wd, "data");
    localDir.mkdirs();
    homeDir.mkdirs();
    
    LocalFileSystem lfs1 = new LocalFileSystem();
    lfs1.setRootDirectory(homeDir);
    FileObject r = lfs1.getRoot();

    Class c = SystemFileSystem.class;
    Method m = c.getDeclaredMethod("create", File.class, File.class, File[].class);
    m.setAccessible(true);
    
    FileSystem mfs = (FileSystem)m.invoke(null,
            localDir,
            homeDir,
            new File[] {} 
    );
    
    FileObject file1 = r.createData("org-openide-actions-NewTemplateAction.instance");
    FileObject file2 = r.createData("org-openide-actions-SaveAsTemplateAction.instance");
    FileObject shadow = r.createData("file.shadow");
    shadow.setAttribute("originalFile", "org-openide-actions-NewTemplateAction.instance");
    
    FileObject mfsRoot = mfs.getRoot();
    FileObject mfsShadow = mfsRoot.getFileObject("file.shadow");
    // must create the file contents, otherwise canRevert does not work either
    mfsShadow.getOutputStream().close();
    mfsShadow.setAttribute("originalFile", "org-openide-actions-SaveAsTemplateAction.instance");
    
    DataShadow s = (DataShadow)DataObject.find(mfsShadow);
    assertEquals(
            file2.getPath(),
            s.getOriginal().getPrimaryFile().getPath());
    
    assertTrue(mfsShadow.canRevert());
    
    InstanceCookie ic = s.getCookie(InstanceCookie.class);
    assertSame(SaveAsTemplateAction.class, ic.instanceClass());
    
    mfsShadow.revert();
    
    s = (DataShadow)DataObject.find(mfsShadow);
    ic = s.getCookie(InstanceCookie.class);
    assertSame(NewTemplateAction.class, ic.instanceClass());
    assertEquals(
            file1.getPath(),
            s.getOriginal().getPrimaryFile().getPath());
    
}