root / trunk / libraries / libRaster / src / org / gvsig / raster / dataset / serializer / ColorInterpretationRmfSerializer.java @ 18040
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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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*
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* Copyright (C) 2007 IVER T.I. and Generalitat Valenciana.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*/
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package org.gvsig.raster.dataset.serializer; |
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import java.io.IOException; |
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import java.io.Reader; |
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import java.io.StringReader; |
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import org.gvsig.raster.dataset.io.rmf.ClassSerializer; |
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import org.gvsig.raster.dataset.io.rmf.ParsingException; |
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import org.gvsig.raster.dataset.properties.DatasetColorInterpretation; |
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import org.kxml2.io.KXmlParser; |
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import org.xmlpull.v1.XmlPullParserException; |
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/**
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* <P>
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* Clase para convertir a XML la informaci?n de interpretaci?n de color de cada
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* banda del raster.
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* </P>
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* \<ColorInterpretation\>
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* \<BandCount\>3\</BandCount\><BR>
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* \<Band\>Red\</Band\><BR>
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* \<Band\>Green\</Band\><BR>
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* \<Band\>Blue\</Band\><BR>
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* \</ColorInterpretation\><BR>
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*
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* @version 14/01/2008
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* @author Nacho Brodin (nachobrodin@gmail.com)
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*
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*/
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public class ColorInterpretationRmfSerializer extends ClassSerializer { |
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//TAGS
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public static final String MAIN_TAG = "ColorInterpretation"; |
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public static final String BAND = "Band"; |
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public static final String BANDCOUNT = "BandCount"; |
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private DatasetColorInterpretation datasetCI = null; |
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/**
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* Constructor. Asigna la tabla a serializar.
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* @param ColorTable tabla a convertir en XML
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*/
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public ColorInterpretationRmfSerializer(DatasetColorInterpretation datasetCI) {
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this.datasetCI = datasetCI;
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} |
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/**
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* Constructor.
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*/
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public ColorInterpretationRmfSerializer() {
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.dataset.io.rmf.IRmfBlock#read(java.lang.String)
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*/
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public void read(String xml) throws ParsingException { |
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String cInterp = null; |
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datasetCI = new DatasetColorInterpretation();
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int band = 0; |
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KXmlParser parser = new KXmlParser();
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Reader reader = new StringReader(xml); |
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try {
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parser.setInput(reader); |
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} catch (XmlPullParserException e) {
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throw new ParsingException(xml); |
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} |
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try {
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int tag = parser.nextTag();
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if ( parser.getEventType() != KXmlParser.END_DOCUMENT ){
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parser.require(KXmlParser.START_TAG, null, MAIN_TAG);
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while(tag != KXmlParser.END_DOCUMENT) {
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switch(tag) {
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case KXmlParser.START_TAG:
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if (parser.getName().compareTo(MAIN_TAG) == 0) { |
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int nBands = Integer.valueOf(parserString(parser, BANDCOUNT, null)).intValue(); |
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datasetCI.initColorInterpretation(nBands); |
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for (int i = 0; i < nBands; i++) { |
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cInterp = parserString(parser, BAND, null);
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datasetCI.setColorInterpValue(i, cInterp); |
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band ++; |
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} |
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} |
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break;
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case KXmlParser.END_TAG:
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break;
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case KXmlParser.TEXT:
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break;
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} |
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tag = parser.next(); |
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} |
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parser.require(KXmlParser.END_DOCUMENT, null, null); |
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} |
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} catch (XmlPullParserException e) {
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throw new ParsingException(xml); |
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} catch (IOException e) { |
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throw new ParsingException(xml); |
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} |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.dataset.io.rmf.IRmfBlock#write()
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*/
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public String write() { |
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StringBuffer b = new StringBuffer(); |
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if(datasetCI == null) |
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return null; |
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b.append("<" + MAIN_TAG + ">\n"); |
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putProperty(b, BANDCOUNT, datasetCI.length(), 1);
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for (int i = 0; i < datasetCI.length(); i++) { |
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String ci = datasetCI.get(i);
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if(ci != null) |
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putProperty(b, BAND, ci, 1);
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} |
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b.append("</" + MAIN_TAG + ">\n"); |
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return b.toString();
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.dataset.io.rmf.IRmfBlock#getResult()
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*/
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public Object getResult() { |
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return datasetCI;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.raster.dataset.io.rmf.IRmfBlock#getMainTag()
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*/
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public String getMainTag() { |
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return MAIN_TAG;
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} |
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} |