view src/java/de/intevation/mxd/reader/MultiLayerFillSymbolReader.java @ 321:b6c0fbae16dc

Expand Graphics Layer Support
author Andre Heinecke <aheinecke@intevation.de>
date Thu, 20 Sep 2012 17:58:29 +0200
parents df4e0946ef02
children a46adb3697fa
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/*
 * Copyright (c) 2011 by Intevation GmbH, Germany <info@intevation.de>
 *
 * This file is part of MXD2map.
 *
 * This program is free software under the LGPL (>=v2.1)
 * Read the file LICENCE.txt coming with the software for details
 * or visit http://www.gnu.org/licenses/ if it does not exist.
 *
 * MXD2map has been developed on behalf of the
 * Bundesamt fuer Seeschifffahrt und Hydrographie (BSH) in Hamburg
 * by Intevation GmbH.
 *
 * Authors:
 * Raimund Renkert <raimund.renkert@intevation.de>
 * Bjoern Schilberg <bjoern.schilberg@intevation.de>
 * Stephan Holl <stephan.holl@intevation.de>
 */

package de.intevation.mxd.reader;

import org.apache.log4j.Logger;

import com.esri.arcgis.display.ISymbol;
import com.esri.arcgis.display.IFillSymbol;
import com.esri.arcgis.display.MultiLayerFillSymbol;

import org.w3c.dom.Element;

/**
 * Reads multi layer line symbol information.
 *
 * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
 */
public class MultiLayerFillSymbolReader
extends AbstractSymbolReader {

    /**
     * The logger.
     */
    private static final Logger logger =
        Logger.getLogger(MultiLayerFillSymbolReader.class);

    /**
     * Private member.
     */
    private MultiLayerFillSymbol symbol;

    /**
     * Constructor with symbol.
     *
     * @param symbol The symbol used to display polygons.
     */
    public MultiLayerFillSymbolReader(ISymbol symbol)
    throws Exception {
        logger.debug("contructor()");
        if(symbol instanceof MultiLayerFillSymbol) {
            this.symbol = (MultiLayerFillSymbol)symbol;
        }
        else {
            throw new Exception("Not a MultiLayerFillSymbol!");
        }
    }

    /**
     * Constructor with symbol.
     *
     * @param symbol The symbol used to display polygons.
     */
    public MultiLayerFillSymbolReader(IFillSymbol symbol)
    throws Exception {
        logger.debug("contructor()");
        if(symbol instanceof MultiLayerFillSymbol) {
            this.symbol = (MultiLayerFillSymbol)symbol;
        }
        else {
            throw new Exception("Not a MultiLayerFillSymbol!");
        }
    }

    /**
     * Reads the symbol attributes.
     *
     * @return The XML node.
     */
    public Element read() {
        logger.debug("read()");
        try {
            for(int i = 0; i < symbol.getLayerCount(); i++) {
                ISymbol sym = (ISymbol)symbol.getLayer(i);

                FillSymbolReader fsr = new FillSymbolReader();
                if(fsr.canRead(sym)) {
                    fsr.setSymbol(sym);
                    fsr.setParent(parent);
                    fsr.setUtil(util);
                    fsr.read();
                }
                else {
                    logger.debug("The type of " + sym.getClass().toString() +
                                 " is not implemented!");
                }
            }
        }
        catch(Exception e) {
            logger.error(
                "Could not read the symbol " +
                symbol.getClass().toString());
        }
        return parent;
    }
}
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