Package de.innovationgate.eclipse.wgadesigner

Source Code of de.innovationgate.eclipse.wgadesigner.ResourceManager

/*******************************************************************************
* Copyright (c) 2009, 2010 Innovation Gate GmbH.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
*     Innovation Gate GmbH - initial API and implementation
******************************************************************************/
package de.innovationgate.eclipse.wgadesigner;

import java.io.File;
import java.io.IOException;

import org.apache.commons.vfs.FileObject;
import org.apache.commons.vfs.FileSelectInfo;
import org.apache.commons.vfs.FileSelector;
import org.apache.commons.vfs.VFS;
/**
* manages file system resources which need to be copied to the current workspace metadata
* for e.g. tomcat installation, wgadeployments etc.
*
*
*/
public class ResourceManager {

  private File _workDir;
 
  private FileObject _work;

  private FileObject _source;

 
  public void init(File source, File workDir) throws IOException {
    if (source.isDirectory()) {
      _source = VFS.getManager().resolveFile(source.toURI().toString());
    } else {
      _source = VFS.getManager().resolveFile("jar:" + source.toURI().toString());
    }
    _work = VFS.getManager().resolveFile(workDir.getAbsolutePath());
    _workDir = workDir;
  }
 
  public File getResourceAsFile(String path) throws IOException {
    FileObject unpackedResource = _work.resolveFile(path);
    if (!unpackedResource.exists()) {
      FileObject sourceFile = _source.resolveFile(path);
      sourceFile.copyFrom(unpackedResource, new FileSelector() {

        public boolean includeFile(FileSelectInfo arg0) throws Exception {
          return true;
        }

        public boolean traverseDescendents(FileSelectInfo arg0) throws Exception {
          return true;
        }
       
      });     
    }
    return new File(_workDir, path);
  }
 
  public void copy(String sourcePath, File targetDir) throws IOException {
    FileObject target = VFS.getManager().resolveFile(targetDir.getAbsolutePath());
    FileObject source = _source.resolveFile(sourcePath);
    if (source.exists()) {
      target.copyFrom(source, new FileSelector() {

        public boolean includeFile(FileSelectInfo arg0) throws Exception {
          return true;
        }

        public boolean traverseDescendents(FileSelectInfo arg0) throws Exception {
          return true;
        }
       
      });
    }
  }
 
}
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