swfdirtagcopy.java

java解析flash。对于flash在java上应用非常有帮助。比如解析flash到服务器端

/*
 * JSwiff is an open source Java API for Macromedia Flash file generation
 * and manipulation
 *
 * Copyright (C) 2004-2008 Ralf Terdic ([e-mail])
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package com.jswiff.tests.simple;

import com.jswiff.SWFDocument;
import com.jswiff.SWFReader;
import com.jswiff.SWFWriter;
import com.jswiff.listeners.SWFDocumentReader;
import com.jswiff.swfrecords.tags.Tag;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;


/**
 * Copies all SWF files from a directory to another. Each file is first parsed
 * to an SWFDocument. Each tag of this document is deep-copied to another
 * document, which is finally written to a file. Useful for testing SWF
 * reading/writing and tag deep-copying.
 */
public class SWFDirTagCopy {
  /**
   * Main method.
   *
   * @param args arguments: source and destination dir
   *
   * @throws IOException if an I/O error occured
   */
  public static void main(String[] args) throws IOException {
    File sourceDir      = new File(args[0]);
    File[] sourceFiles  = sourceDir.listFiles();
    File destinationDir = new File(args[1]);
    for (int i = 0; i < sourceFiles.length; i++) {
      File sourceFile      = sourceFiles[i];
      File destinationFile = new File(destinationDir, sourceFile.getName());
      System.out.print("Duplicating file " + sourceFile + "... ");
      copy(sourceFile, destinationFile);
      System.out.println("done.");
    }
  }

  private static void copy(File source, File destination)
    throws IOException {
    SWFReader reader            = new SWFReader(new FileInputStream(source));
    SWFDocumentReader docReader = new SWFDocumentReader();
    reader.addListener(docReader);
    reader.read();
    SWFDocument sourceDoc = docReader.getDocument();
    List tags             = sourceDoc.getTags();
    List tagCopies        = new ArrayList();
    for (Iterator it = tags.iterator(); it.hasNext();) {
      Tag tag = (Tag) it.next();
      tagCopies.add(tag.copy());
    }
    SWFDocument targetDoc = copyDocProperties(sourceDoc);
    targetDoc.addTags(tagCopies);
    SWFWriter writer = new SWFWriter(
        targetDoc, new FileOutputStream(destination));
    writer.write();
  }

  private static SWFDocument copyDocProperties(SWFDocument sourceDoc) {
    SWFDocument targetDoc = new SWFDocument();
    targetDoc.setBackgroundColor(sourceDoc.getBackgroundColor());
    targetDoc.setCompressed(sourceDoc.isCompressed());
    targetDoc.setFrameRate(sourceDoc.getFrameRate());
    targetDoc.setFrameSize(sourceDoc.getFrameSize());
    short version = sourceDoc.getVersion();
    targetDoc.setVersion(version);
    if (version >= 8) {
      targetDoc.setAccessMode(sourceDoc.getAccessMode());
      targetDoc.setMetadata(sourceDoc.getMetadata());
    }
    return targetDoc;
  }
}