pluginmanagertest.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.io.IOException;
import java.util.Vector;

import javax.media.Format;
import javax.media.format.AudioFormat;
import javax.media.format.RGBFormat;
import javax.media.protocol.ContentDescriptor;

import junit.framework.TestCase;

/**
 * 
 * @author Ken Larson
 *
 */
public class PlugInManagerTest extends TestCase
{
	protected void setUp() throws Exception
	{
		System.setProperty("javax.media.pim.PlugInManagerInitializer.JMFDefaults", "true");

		super.setUp();
	}

	public void testPlugInManager()
	{
		synchronized (javax.media.PlugInManager.class)	// so that tests that modify the plugins don't conflict.
		{
		assertPlugInManagersEqual();

		{
			final Format in = new RGBFormat();
			final Format out = new RGBFormat();
			
			final Vector v1 = javax.media.PlugInManager.getPlugInList(in, out, javax.media.PlugInManager.DEMULTIPLEXER);
			final Vector v2 = net.sf.fmj.test.compat.plugins.PlugInManager.getPlugInList(in, out, javax.media.PlugInManager.DEMULTIPLEXER);
			
			
			assertStringVectorEquals(v1, v2);
			
		}
		
		{
			final Format in = new ContentDescriptor("audio.mpeg");
			final Format out = null;
			
			final Vector v1 = javax.media.PlugInManager.getPlugInList(in, out, javax.media.PlugInManager.DEMULTIPLEXER);
			final Vector v2 = net.sf.fmj.test.compat.plugins.PlugInManager.getPlugInList(in, out, javax.media.PlugInManager.DEMULTIPLEXER);
			
			assertStringVectorEquals(v1, v2);
			
		}
		
		{
			final Format in = new AudioFormat("mpegaudio", 16000.0, -1, -1, -1, 1, -1, -1.0, Format.byteArray);
			final Format out = new AudioFormat("LINEAR", -1.0, -1, -1, -1, -1, -1, -1.0, Format.byteArray);
			
			final Vector v1 = javax.media.PlugInManager.getPlugInList(in, out, javax.media.PlugInManager.CODEC);
			final Vector v2 = net.sf.fmj.test.compat.plugins.PlugInManager.getPlugInList(in, out, javax.media.PlugInManager.CODEC);
			
			assertStringVectorEquals(v1, v2);
			
		}
		
		
		{
			final Format in = new AudioFormat("mpegaudio", 16001.0, -1, -1, -1, 1, -1, -1.0, Format.byteArray);
			final Format out = new AudioFormat("LINEAR", -1.0, -1, -1, -1, -1, -1, -1.0, Format.byteArray);
			
			final Vector v1 = javax.media.PlugInManager.getPlugInList(in, out, javax.media.PlugInManager.CODEC);
			final Vector v2 = net.sf.fmj.test.compat.plugins.PlugInManager.getPlugInList(in, out, javax.media.PlugInManager.CODEC);
			
			assertStringVectorEquals(v1, v2);
			
		}
		
		{
			final Format in = new AudioFormat("mpegaudio", Format.NOT_SPECIFIED, -1, -1, -1, 1, -1, -1.0, Format.byteArray);
			final Format out = new AudioFormat("LINEAR", -1.0, -1, -1, -1, -1, -1, -1.0, Format.byteArray);
			
			final Vector v1 = javax.media.PlugInManager.getPlugInList(in, out, javax.media.PlugInManager.CODEC);
			final Vector v2 = net.sf.fmj.test.compat.plugins.PlugInManager.getPlugInList(in, out, javax.media.PlugInManager.CODEC);
			
			assertStringVectorEquals(v1, v2);
			
		}
		
		
		{
			final boolean r1 = javax.media.PlugInManager.removePlugIn("com.ibm.media.parser.video.MpegParser",
					javax.media.PlugInManager.DEMULTIPLEXER);
			final boolean r2 = net.sf.fmj.test.compat.plugins.PlugInManager.removePlugIn("com.ibm.media.parser.video.MpegParser", 
					javax.media.PlugInManager.DEMULTIPLEXER);
			
			assertEquals(r1, r2);
			
			assertPlugInManagersEqual();
		}
		
		{
			final boolean a1 = javax.media.PlugInManager.addPlugIn("com.ibm.media.parser.video.MpegParser", 
					new Format[] {
						new ContentDescriptor("audio.mpeg"),
						new ContentDescriptor("video.mpeg"),
						new ContentDescriptor("audio.mpeg"),
					}, 
					new Format[] {}, 
					javax.media.PlugInManager.DEMULTIPLEXER);
			final boolean a2 = net.sf.fmj.test.compat.plugins.PlugInManager.addPlugIn("com.ibm.media.parser.video.MpegParser", 
					new Format[] {
						new ContentDescriptor("audio.mpeg"),
						new ContentDescriptor("video.mpeg"),
						new ContentDescriptor("audio.mpeg"),
					}, 
					new Format[] {}, 
					javax.media.PlugInManager.DEMULTIPLEXER);
			
			assertEquals(a1, a2);
			
			assertPlugInManagersEqual();
		}
		
		{
			final boolean a1 = javax.media.PlugInManager.addPlugIn("com.ibm.media.parser.video.MpegParser", 
					new Format[] {
						new ContentDescriptor("audio.mpeg"),
						new ContentDescriptor("video.mpeg"),
						new ContentDescriptor("audio.mpeg"),
					}, 
					new Format[] {}, 
					javax.media.PlugInManager.DEMULTIPLEXER);
			final boolean a2 = net.sf.fmj.test.compat.plugins.PlugInManager.addPlugIn("com.ibm.media.parser.video.MpegParser", 
					new Format[] {
						new ContentDescriptor("audio.mpeg"),
						new ContentDescriptor("video.mpeg"),
						new ContentDescriptor("audio.mpeg"),
					}, 
					new Format[] {}, 
					javax.media.PlugInManager.DEMULTIPLEXER);
			
			assertEquals(a1, a2);
			assertFalse(a1);
			
			assertPlugInManagersEqual();
		}
		
		
		{
			final boolean a1 = javax.media.PlugInManager.addPlugIn("org.foo.media.parser.video.MpegParser", 
					new Format[] {
						new ContentDescriptor("audio.mpeg"),
						new ContentDescriptor("video.mpeg"),
						new ContentDescriptor("audio.mpeg"),
					}, 
					new Format[] {}, 
					javax.media.PlugInManager.DEMULTIPLEXER);
			final boolean a2 = net.sf.fmj.test.compat.plugins.PlugInManager.addPlugIn("org.foo.media.parser.video.MpegParser", 
					new Format[] {
						new ContentDescriptor("audio.mpeg"),
						new ContentDescriptor("video.mpeg"),
						new ContentDescriptor("audio.mpeg"),
					}, 
					new Format[] {}, 
					javax.media.PlugInManager.DEMULTIPLEXER);
			
			assertEquals(a1, a2);
			
			assertPlugInManagersEqual();
		}

		{
			final boolean r1 = javax.media.PlugInManager.removePlugIn("org.foo.media.parser.video.MpegParser",
					javax.media.PlugInManager.DEMULTIPLEXER);
			final boolean r2 = net.sf.fmj.test.compat.plugins.PlugInManager.removePlugIn("org.foo.media.parser.video.MpegParser", 
					javax.media.PlugInManager.DEMULTIPLEXER);
			
			assertEquals(r1, r2);
			
			assertPlugInManagersEqual();
		}
		
		{
			final Vector v1 = new Vector();
			final Vector v2 = new Vector();
			
			v1.add("com.ibm.media.parser.video.MpegParser");
			v2.add("com.ibm.media.parser.video.MpegParser");
			
			javax.media.PlugInManager.setPlugInList(v1, javax.media.PlugInManager.DEMULTIPLEXER);
			net.sf.fmj.test.compat.plugins.PlugInManager.setPlugInList(v2, javax.media.PlugInManager.DEMULTIPLEXER);
	
			
			assertPlugInManagersEqual();
		}
		
		{
			javax.media.PlugInManager.setPlugInList(new Vector(), javax.media.PlugInManager.DEMULTIPLEXER);
			net.sf.fmj.test.compat.plugins.PlugInManager.setPlugInList(new Vector(), javax.media.PlugInManager.DEMULTIPLEXER);
	
			
			assertPlugInManagersEqual();
		}
		
		{
			final Vector v1 = new Vector();
			final Vector v2 = new Vector();
			
			v1.add("com.ibm.media.parser.video.MpegParser");
			v2.add("com.ibm.media.parser.video.MpegParser");
			
			javax.media.PlugInManager.setPlugInList(v1, javax.media.PlugInManager.DEMULTIPLEXER);
			net.sf.fmj.test.compat.plugins.PlugInManager.setPlugInList(v2, javax.media.PlugInManager.DEMULTIPLEXER);
	
			
			assertPlugInManagersEqual();
		}
		
		{
			final boolean a1 = javax.media.PlugInManager.addPlugIn("org.foo.media.parser.video.MpegParser", 
					new Format[] {
						new ContentDescriptor("audio.mpeg"),
						new ContentDescriptor("video.mpeg"),
						new ContentDescriptor("audio.mpeg"),
					}, 
					new Format[] {}, 
					javax.media.PlugInManager.DEMULTIPLEXER);
			final boolean a2 = net.sf.fmj.test.compat.plugins.PlugInManager.addPlugIn("org.foo.media.parser.video.MpegParser", 
					new Format[] {
						new ContentDescriptor("audio.mpeg"),
						new ContentDescriptor("video.mpeg"),
						new ContentDescriptor("audio.mpeg"),
					}, 
					new Format[] {}, 
					javax.media.PlugInManager.DEMULTIPLEXER);
			
			assertEquals(a1, a2);
			
			assertPlugInManagersEqual();
		}
		
		
		{
			IOException e1 = null;
			IOException e2 = null;
			try
			{
				javax.media.PlugInManager.commit();	// real one does not actually seem to throw the IOException - appears to just print out "java.lang.reflect.InvocationTargetException" instead.
			} catch (IOException e)
			{
				e1 = e;
				e.printStackTrace();
			}
			try
			{
				net.sf.fmj.test.compat.plugins.PlugInManager.commit();
			} catch (IOException e)
			{
				e2 = e;
				e.printStackTrace();
			}
			
			assertEquals(e1 == null, e2 == null);
			
			assertPlugInManagersEqual();
			
		}
		}


	}
	
	public void assertPlugInManagersEqual()
	{
		for (int i = 1; i <= 5; ++i)
		{
			final Vector v1 = javax.media.PlugInManager.getPlugInList(null, null, i);
			final Vector v2 = net.sf.fmj.test.compat.plugins.PlugInManager.getPlugInList(null, null, i);
			
			if (v1 == null)
				throw new NullPointerException("v1");
			if (v2 == null)
				throw new NullPointerException("v2");
			
			if (v1.size() != v2.size())
			{
				dumpStringVector(v1);
				System.out.println("---");
				dumpStringVector(v2);
			}
			assertEquals(v1.size(), v2.size());
			for (int j = 0; j < v1.size(); ++j)
			{
				final String s1 = (String) v1.get(j);
				final String s2 = (String) v2.get(j);
				assertEquals(s1, s2);	
				
				final Format[] f1s = javax.media.PlugInManager.getSupportedInputFormats(s1, i);
				final Format[] f2s = net.sf.fmj.test.compat.plugins.PlugInManager.getSupportedInputFormats(s1, i);
				
				assertEquals(f1s, f2s);

				
				
			}
		}
		
		
		{
			final String s = "com.sun.media.parser.audio.WavParser";
			final Format[] in1 = javax.media.PlugInManager.getSupportedInputFormats(s, javax.media.PlugInManager.DEMULTIPLEXER);
			final Format[] in2 = net.sf.fmj.test.compat.plugins.PlugInManager.getSupportedInputFormats(s, javax.media.PlugInManager.DEMULTIPLEXER);
			assertEquals(in1, in2);
			final Format[] out1 = javax.media.PlugInManager.getSupportedOutputFormats(s, javax.media.PlugInManager.DEMULTIPLEXER);
			final Format[] out2 = net.sf.fmj.test.compat.plugins.PlugInManager.getSupportedOutputFormats(s, javax.media.PlugInManager.DEMULTIPLEXER);
			assertEquals(out1, out2);			
		}

	}
	
	private void assertEquals(Format[] f1s, Format[] f2s)
	{
		assertEquals(f1s == null, f2s == null);
		if (f1s != null)
		{
			assertEquals(f1s.length, f2s.length);
			for (int k = 0; k < f1s.length; ++k)
			{
				assertEquals(f1s[k], f2s[k]);
			}
		}
	}
	
	private void assertStringVectorEquals(Vector v1, Vector v2)
	{
		assertEquals(v1 == null, v2 == null);
		if (v1 == null)
			return;
		
		assertEquals(v1.size(), v2.size());
		for (int j = 0; j < v1.size(); ++j)
		{
			final String s1 = (String) v1.get(j);
			final String s2 = (String) v2.get(j);
			assertEquals(s1, s2);
		}
	}
	
	private void dumpStringVector(Vector v1)
	{
		for (int i = 0; i < v1.size(); ++i)
		{	String s = (String) v1.get(i);
			System.out.println(s);
		}
	}
}