Application: gvSIG desktop

		data += "  <raster\n";

		data += "    File=\""+((RasterFileAdapter) source).getFile()+"\"\n";

			data += "    "+a[0].toString()+"=";

			if (a[1].toString() instanceof String)

				data += "\""+a[1].toString()+"\"\n";

			else

				data += a[1].toString()+"\n";

		data += "  />\n";

		data += "</"+getName()+">\n";

		System.out.println(data);

		return data;

/*

 * Created on 12-dic-2004

 */

package org.cresques.io;

import java.io.BufferedInputStream;

import java.io.IOException;

import java.io.InputStream;

import java.net.MalformedURLException;

import java.net.URL;

import org.cresques.px.Extent;

/**

 * Consulta para un servidor de mapas.

 * @author Luis W. Sevilla (sevilla_lui@gva.es)

 */

public abstract class MapServerClient implements Extent.Has {

	public static final int MAXBUFSIZE = 1024*1024; 

    BufferedInputStream bufIn = null;

    byte [] buffer;

    int bufPos;

	String serverName;

	protected String urlBase = null;

	protected long xMin, xMax, yMin, yMax;

	protected int ancho, alto;

    public boolean echo = false;

    private Extent extent = null;

    private int maxViewWidth = 1500;

    private int maxViewHeight = 1500;

    private float minTimeBetweenQuerys = 0;

	public MapServerClient(String serverName) {

		this.serverName = serverName;

	}

	public String getName() { return serverName; }

	public byte [] getBuffer() { return buffer; } 

	public void setView(long xMin, long yMin, long xMax, long yMax) {

		this.xMin = xMin; this.xMax = xMax;

		this.yMax = yMax; this.yMin = yMin;

	}

	public void setViewSize( int w, int h) {

		ancho = w; alto = h;

	}

	/**

	 * Pone el tama?o m?ximo de la vista. Solicitando una vista m?s

	 * grande que esta al servidor dar? error (y no im?genes)  :-(

	 * @param w	ancho

	 * @param h alto

	 */

	public void setMaxViewSize( int w, int h) {

		maxViewWidth = w; maxViewHeight = h;

	}

	public Extent getViewExtent() {

		return new Extent(xMin, yMax, xMax, yMin);

	}

	public void setExtent(Extent e) { extent = e; }

	public Extent getExtent() { return extent; }

	abstract public String getUrl();

    public void get() throws Exception {

    	get(getUrl());

    }

    public void get(String address) throws Exception {

    	bufPos = 0;

    	buffer = new byte[MAXBUFSIZE];

        try {

	    // Check to see that a command parameter was entered

            // Create an URL instance

            URL url = new URL(address);

            // Get an input stream for reading

            InputStream in = url.openStream();

            // Create a buffered input stream for efficency

            bufIn = new BufferedInputStream(in);

            // Repeat until end of file

            int data;

            for (bufPos = 0; (data = bufIn.read()) != -1; bufPos++) {

                buffer[bufPos] = (byte) data;

                if ( echo ) System.out.println (data);

            }

        	byte [] buf = new byte[bufPos];

        	for (int i=0; i<bufPos; i++) buf[i] = buffer[i];

        	buffer = buf;

        	System.out.println(bufPos+" bytes leidos.");

        	bufIn.close();

            in.close();

        } catch (MalformedURLException mue) {

            System.err.println ("Invalid URL");

        } catch (IOException ioe) {

            System.err.println ("I/O Error - " + ioe);

        }

    }

}

/*

 * Created on 13-dic-2004

 */

package org.cresques.io;

import java.awt.Image;

import java.net.URL;

import javax.imageio.ImageIO;

import org.cresques.cts.ICoordTrans;

import org.cresques.cts.IProjection;

import org.cresques.px.Extent;

/**

 * @author Luis W. Sevilla (sevilla_lui@gva.es)

 */

public class MapServerInputStream extends GeoRasterFile {

	int width, height;

	protected MapServerClient mapServer = null;

	public MapServerInputStream(IProjection proj, String name) {

		super(proj, name);

	}

	public MapServerInputStream(IProjection proj, MapServerClient server) {

		super(proj, server.getName());

		mapServer = server;

		extent = mapServer.getViewExtent();

	}

	public GeoFile load() {

		System.out.println("mapServer size = ("+width+","+height+")"/*+

				"\n inc=("+file.cellIncrementX+","+file.cellIncrementY+")\n"+

				" datum='"+file.datum+"', proyeccion='"+file.projection+"'"*/);

		return this;

	}

	/* (non-Javadoc)

	 * @see org.cresques.io.GeoRasterFile#close()

	 */

	public void close() {

		// TODO Auto-generated method stub

	}

	public void setExtent(Extent e) {

		extent = e;

	}

	public void setSize(int w, int h) {

		width = w; height = h;

	}

	public int getWidth() { return width; }

	public int getHeight() { return height; }

	/* (non-Javadoc)

	 * @see org.cresques.io.GeoRasterFile#reProject(org.cresques.cts.ICoordTrans)

	 */

	public void reProject(ICoordTrans rp) {

		// TODO Auto-generated method stub

	}

	public void setView(Extent e) {

/**/	mapServer.setView((long) e.getMin().getX(), (long) e.getMax().getY(),

/**/		(long) e.getMax().getX(), (long)e.getMin().getY());

	}

	public Extent getView() {

		return mapServer.getViewExtent();

	}

	/* (non-Javadoc)

	 * @see org.cresques.io.GeoRasterFile#updateImage(int, int, org.cresques.cts.ICoordTrans)

	 */

	public Image updateImage(int width, int height, ICoordTrans rp) {

		Image image = null;

		int line, pRGBArray[] = null;

		if (mapServer == null) return image;

		try {

/**/		mapServer.setViewSize(width, height);

	    	System.out.println("Querying mapServer: "+mapServer.getUrl());

			image = ImageIO.read(new URL(mapServer.getUrl()));

		} catch (Exception e) {

			e.printStackTrace();

		}

		return image; //.getScaledInstance(width, height, Image.SCALE_FAST);

	}

	/* (non-Javadoc)

	 * @see org.cresques.io.GeoRasterFile#updateImage(int, int, org.cresques.cts.ICoordTrans, java.awt.Image, int)

	 */

	public Image updateImage(int width, int height, ICoordTrans rp, Image img, int flags) {

		// TODO Auto-generated method stub

		return null;

	}

	/* (non-Javadoc)

	 * @see org.cresques.io.GeoRasterFile#getData(int, int, int)

	 */

	public Object getData(int x, int y, int band) {

		// TODO Auto-generated method stub

		return null;

	}

}

import java.lang.reflect.InvocationTargetException;

		Class [] filtros = {

			ComputeMinMaxFilter.class,

			LinearEnhancementFilter.class

		};

		try {

		Class [] args = {RasterBuf.class, RasterStats.class};

			for (int i=0; i<filtros.length; i++) {

				Object [] params = {raster, stats};

					filtros[i].getConstructor(args).newInstance(params);

			}

		} catch (IllegalArgumentException e) {

			// TODO Auto-generated catch block

			e.printStackTrace();

		} catch (SecurityException e) {

			// TODO Auto-generated catch block

			e.printStackTrace();

		} catch (InstantiationException e) {

			// TODO Auto-generated catch block

			e.printStackTrace();

		} catch (IllegalAccessException e) {

			// TODO Auto-generated catch block

			e.printStackTrace();

		} catch (InvocationTargetException e) {

			// TODO Auto-generated catch block

			e.printStackTrace();

		} catch (NoSuchMethodException e) {

			// TODO Auto-generated catch block

			e.printStackTrace();

		}

/*		if (true) {

		}*/

		if (filtros.length > 0)

/* */		if (true) {

		} /* */