pluginmanagerinitializercodegen.java

FMJ（freedom media for java)是java视频开发的新选择

package net.sf.fmj.test.compat.plugins;

import java.util.Vector;

import javax.media.Format;
import javax.media.PlugInManager;

import net.sf.fmj.codegen.MediaCGUtils;


/**
 * 
 * @author Ken Larson
 *
 */
public class PlugInManagerInitializerCodeGen
{
	public static void main(String[] args)
	{
		new PlugInManagerInitializerCodeGen().run();
		
	}
	public void run()
	{
		for (int i = 1; i <= 5; ++i)
		{
			System.out.println();
			System.out.println("// " + typeToStr(i) + ":");
			Vector v = PlugInManager.getPlugInList(null, null, i);
			for (int j = 0; j < v.size(); ++j)
			{
				final String s = (String) v.get(j);
				System.out.print("PlugInManager.addPlugIn(\"");
				System.out.print(s);
				System.out.print("\", ");
				final Format[] in = PlugInManager.getSupportedInputFormats(s, i);
				dumpFormatArray(in);
				
				System.out.print(", ");
				final Format[] out = PlugInManager.getSupportedOutputFormats(s, i);
				dumpFormatArray(out);
				System.out.println(", ");
				System.out.print("\t" + typeToStr(i));
				System.out.println(");");
			}
		}
	}
	
	private static String typeToStr(int type)
	{
		switch (type)
		{
			case PlugInManager.DEMULTIPLEXER: return "PlugInManager.DEMULTIPLEXER";
	
			case PlugInManager.CODEC: return "PlugInManager.CODEC";
	
			case PlugInManager.EFFECT: return "PlugInManager.EFFECT";
	
			case PlugInManager.RENDERER: return "PlugInManager.RENDERER";
	
			case PlugInManager.MULTIPLEXER: return "PlugInManager.MULTIPLEXER";
			
			default:
				throw new IllegalArgumentException();
		}
	}
	
	private static void dumpFormatArray(Format[] in)
	{
		if (in != null)
		{	
			System.out.print("\n\tnew Format[] {");
			
			if (in.length == 0)
			{
				System.out.print("}");
			}
			else
			{
				for (int i = 0; i < in.length; ++i)
				{	System.out.print("\n\t\t" + MediaCGUtils.formatToStr(in[i]) + ",");
				}
				
				System.out.print("\n\t}");
			}
		}
		else
			System.out.print("null");
	}
	

}