// **********************************************************************// // <copyright>// //  BBN Technologies//  10 Moulton Street//  Cambridge, MA 02138//  (617) 873-8000// //  Copyright (C) BBNT Solutions LLC. All rights reserved.// // </copyright>// **********************************************************************// // $Source: /cvs/distapps/openmap/src/corba/com/bbn/openmap/layer/specialist/BufferedCSpecLayer.java,v $// $RCSfile: BufferedCSpecLayer.java,v $// $Revision: 1.3.2.2 $// $Date: 2005/08/09 21:17:53 $// $Author: dietrick $// // **********************************************************************package com.bbn.openmap.layer.specialist;/*  CORBA  */import org.omg.CORBA.StringHolder;import com.bbn.openmap.CSpecialist.CProjection;import com.bbn.openmap.CSpecialist.LLPoint;import com.bbn.openmap.CSpecialist.Server;import com.bbn.openmap.CSpecialist.UGraphic;/*  OpenMap  */import com.bbn.openmap.util.Debug;import com.bbn.openmap.LatLonPoint;import com.bbn.openmap.proj.Projection;/** * BufferedCSpecLayer is a Layer which communicates to CORBA * Specialists. */public class BufferedCSpecLayer extends CSpecLayer {//    private final static String[] debugTokens = { "debug.cspec" };    // Cached graphics    UGraphic[] graphics = null;    /**     * Default constructor, that sets the MapMouseListener for this     * layer to itself.     */    public BufferedCSpecLayer() {        super();    }    /**     * perform the getRectangle() call on the specialist.     *      * @param p Projection     * @return UGraphic[] graphic list or null if error     *       */    protected UGraphic[] getSpecGraphics(Projection p) {        CProjection cproj;        LLPoint ll1, ll2;        StringHolder dynamicArgsHolder;        Server spec = getSpecialist();        if (Debug.debugging("cspec")) {            System.out.println(getName()                    + "|BufferedCSpecLayer.getSpecGraphics()");        }        // If we have graphics, return them        if (graphics != null) {            System.out.println("Returning cached graphics");            return graphics;        }        cproj = new CProjection((short) (p.getProjectionType()), new LLPoint(p.getCenter()                .getLatitude(), p.getCenter().getLongitude()), (short) p.getHeight(), (short) p.getWidth(), (int) p.getScale());        // lat-lon "box", (depends on the projection)        LatLonPoint ul = p.getUpperLeft();        LatLonPoint lr = p.getLowerRight();        //      ll1 = new LLPoint(ul.getLatitude(), ul.getLongitude());        //      ll2 = new LLPoint(lr.getLatitude(), lr.getLongitude());        // Adjust lat/lon for total global area        ll1 = new LLPoint(90.0f, -180.0f);        ll2 = new LLPoint(-90.0f, 180.0f);        // check for cancellation        if (isCancelled()) {            dirtybits |= PREMATURE_FINISH;            if (Debug.debugging("cspec"))                System.out.println(getName()                        + "|BufferedCSpecLayer.getSpecGraphics(): aborted.");            return null;        }        // check for null specialist        if (spec == null) {            System.err.println(getName()                    + "|BufferedCSpecLayer.getSpecGraphics(): null specialist!");            return null;        }        try {            // Keep the gestures up-to-date            mapGesture.setProjection(p);            // Static Args can't go out null....            String staticArguments = getStaticArgs();            if (staticArguments == null) {                staticArguments = "";                setStaticArgs(staticArguments);            }            // neither can dynamic args            dynamicArgsHolder = new StringHolder(getArgs());            if (dynamicArgsHolder.value == null) {                dynamicArgsHolder.value = "";            }            // call getRectangle();            if (Debug.debugging("cspec")) {                System.out.println(getName()                        + "|BufferedCSpecLayer.getSpecGraphics():"                        + " calling getRectangle with projection: " + p                        + " ul=" + ul + " lr=" + lr + " staticArgs=\""                        + staticArguments + "\"" + " dynamicArgs=\""                        + dynamicArgsHolder.value + "\"" + " clientID="                        + clientID);            }            long start = System.currentTimeMillis();            graphics = spec.getRectangle(cproj,                    ll1,                    ll2,                    staticArguments,                    dynamicArgsHolder,                    selectDist,                    wantAreaEvents,                    notifyOnChange,                    clientID);            long stop = System.currentTimeMillis();            if (Debug.debugging("cspec")) {                System.out.println(getName()                        + "|BufferedCSpecLayer.getSpecGraphics(): got "                        + graphics.length + " graphics in "                        + ((stop - start) / 1000d) + " seconds.");            }        } catch (org.omg.CORBA.SystemException e) {            dirtybits |= EXCEPTION;            // don't freak out if we were only interrupted...            if (e.toString().indexOf("InterruptedIOException") != -1) {                System.err.println(getName()                        + "|BufferedCSpecLayer.getSpecGraphics(): "                        + "getRectangle() call interrupted!");            } else {                System.err.println(getName()                        + "|BufferedCSpecLayer.getSpecGraphics(): "                        + "Caught CORBA exception: " + e);                System.err.println(getName()                        + "|BufferedCSpecLayer.getSpecGraphics(): "                        + "Exception class: " + e.getClass().getName());                e.printStackTrace();            }            // dontcha just love CORBA? reinit later            setSpecialist(null);            if (showDialogs) {                postCORBAErrorMsg("CORBA Exception while getting graphics from\n"                        + getName() + " specialist:\n" + e.getClass().getName());            }        }        return graphics;    }}