view src/java/de/intevation/mxd/reader/LineSymbolReader.java @ 71:260748e3d08f

Added wrapper for line symbol reader.
author Raimund Renkert <rrenkert@intevation.de>
date Thu, 26 May 2011 16:01:29 +0200
parents
children 2cbe423b1fda
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package de.intevation.mxd.reader;

import java.lang.Exception;

import org.w3c.dom.Element;

import org.apache.log4j.Logger;

import com.esri.arcgis.display.ISymbol;
import com.esri.arcgis.display.ILineSymbol;
import com.esri.arcgis.display.MultiLayerLineSymbol;
import com.esri.arcgis.display.SimpleLineSymbol;
import com.esri.arcgis.display.MarkerLineSymbol;
import com.esri.arcgis.display.PictureLineSymbol;
import com.esri.arcgis.display.CartographicLineSymbol;
import com.esri.arcgis.display.HashLineSymbol;

/**
 * Wrapper for line symbol reader.
 *
 * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
 */
public class LineSymbolReader
extends AbstractSymbolReader {

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

    private ISymbol symbol;
    private ILineSymbol lineSymbol;

    public LineSymbolReader() throws Exception{
        logger.debug("contructor()");
        this.symbol = null;
        this.lineSymbol = null;
    }

    public LineSymbolReader(ISymbol symbol) throws Exception{
        logger.debug("contructor(ISymbol)");
        this.symbol = symbol;
        this.lineSymbol = null;
    }

    public LineSymbolReader(ILineSymbol symbol) throws Exception{
        logger.debug("contructor(ILineSymbol)");
        this.lineSymbol = symbol;
        this.symbol= null;
    }

    public Element read() throws Exception {
        ISymbolReader sreader = null;
        if(symbol != null) {
            if(symbol instanceof SimpleLineSymbol) {
                sreader = new SimpleLineSymbolReader(symbol);
            }
            else if(symbol instanceof MarkerLineSymbol) {
                sreader = new MarkerLineSymbolReader(symbol);
            }
            else if(symbol instanceof PictureLineSymbol) {
                sreader = new PictureLineSymbolReader(symbol);
            }
            else if(symbol instanceof MultiLayerLineSymbol) {
                sreader = new MultiLayerLineSymbolReader(symbol);
            }
            else if(symbol instanceof CartographicLineSymbol) {
                sreader = new CartoLineSymbolReader(symbol);
            }
            else if(symbol instanceof HashLineSymbol) {
                sreader = new HashLineSymbolReader(symbol);
            }
            else {
                logger.debug("The reader for type " + symbol.getClass().toString() +
                             " is not implemented!");
                return parent;
            }
        }
        else if(lineSymbol != null) {
            if(lineSymbol instanceof SimpleLineSymbol) {
                sreader = new SimpleLineSymbolReader(lineSymbol);
            }
            else if(lineSymbol instanceof MarkerLineSymbol) {
                sreader = new MarkerLineSymbolReader(lineSymbol);
            }
            else if(lineSymbol instanceof PictureLineSymbol) {
                sreader = new PictureLineSymbolReader(lineSymbol);
            }
            else if(lineSymbol instanceof MultiLayerLineSymbol) {
                sreader = new MultiLayerLineSymbolReader(lineSymbol);
            }
            else if(lineSymbol instanceof CartographicLineSymbol) {
                sreader = new CartoLineSymbolReader(lineSymbol);
            }
            else if(lineSymbol instanceof HashLineSymbol) {
                sreader = new HashLineSymbolReader(lineSymbol);
            }
            else {
                logger.debug("The reader for type " +
                             lineSymbol.getClass().toString() +
                             " is not implemented!");
                return parent;
            }
        }
        else {
            return parent;
        }
        if (sreader != null) {
            sreader.setParent(parent);
            sreader.setUtil(util);
            sreader.read();
        }
        return parent;
    }

    public void setSymbol(ISymbol sym) {
        this.symbol = sym;
    }

    public boolean canRead(ISymbol sym) {
        if(sym instanceof SimpleLineSymbol ||
           sym instanceof MarkerLineSymbol ||
           sym instanceof PictureLineSymbol ||
           sym instanceof MultiLayerLineSymbol ||
           sym instanceof CartographicLineSymbol ||
           sym instanceof HashLineSymbol) {
            return true;
        }
        else {
            return false;
        }
    }
}
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