root / trunk / libraries / libRaster / src / org / gvsig / raster / datastruct / serializer / ColorTableLibraryPersistence.java @ 12838
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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) 2005 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.datastruct.serializer; |
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import java.awt.Color; |
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import java.io.File; |
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import java.io.FileInputStream; |
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import java.io.FileNotFoundException; |
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import java.io.FileOutputStream; |
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import java.io.IOException; |
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import java.util.ArrayList; |
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import org.gvsig.raster.datastruct.ColorItem; |
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import org.gvsig.raster.datastruct.ColorTable; |
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import org.kxml2.io.KXmlParser; |
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import org.kxml2.io.KXmlSerializer; |
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import org.xmlpull.v1.XmlPullParserException; |
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/**
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* @version 02/07/2007
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* @author BorSanZa - Borja S?nchez Zamorano (borja.sanchez@iver.es)
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*/
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public class ColorTableLibraryPersistence { |
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/**
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* Devuelve la lista de ficheros de paletas
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* @param palettesBasePath
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* @return
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*/
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public static ArrayList getPaletteFileList(String palettesBasePath) { |
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updateVersion(palettesBasePath); |
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File paletteFiles = new File(palettesBasePath); |
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if (!paletteFiles.exists())
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return null; |
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ArrayList fileList = new ArrayList(); |
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File[] list = paletteFiles.listFiles(); |
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for (int i = 0; i < list.length; i++) |
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fileList.add(list[i].getName()); |
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return fileList;
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} |
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/**
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* Si existe la version de paleta 1.0, la actualizara a la 1.1 y borrara la
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* antigua version.
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* @param palettesPath
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*/
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public static void updateVersion_1_0_to_1_1(String palettesBasePath) { |
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File palettesFile = new File(new File(palettesBasePath).getParent().toString() + File.separator + "palettes.xml"); |
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if (!palettesFile.exists())
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return;
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new File(palettesBasePath).mkdir(); |
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try {
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KXmlParser parser = new KXmlParser();
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FileInputStream fileInputStream = new FileInputStream(palettesFile); |
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parser.setInput(fileInputStream, null);
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int tag = parser.nextTag();
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parser.require(KXmlParser.START_TAG, null, "palettes"); |
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tag = parser.nextTag(); |
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parser.require(KXmlParser.START_TAG, null, "palette_list"); |
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parser.skipSubTree(); |
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parser.require(KXmlParser.END_TAG, null, "palette_list"); |
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tag = parser.nextTag(); |
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while (tag == KXmlParser.START_TAG) {
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parser.require(KXmlParser.START_TAG, null, "palette"); |
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if (parser.getAttributeCount() == 2) { |
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// Generar nuevo fichero
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KXmlSerializer parserOutput = new KXmlSerializer();
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FileOutputStream fileOutputStream = new FileOutputStream(palettesBasePath + File.separator + parser.getAttributeValue(0) + ".xml"); |
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parserOutput.setOutput(fileOutputStream, null);
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parserOutput.startDocument("UTF-8", null); |
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parserOutput.startTag(null, "ColorTable"); |
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parserOutput.attribute(null, "name", parser.getAttributeValue(0)); |
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parserOutput.attribute(null, "version", "1.1"); |
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tag = parser.nextTag(); |
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parser.require(KXmlParser.START_TAG, null, "table"); |
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tag = parser.nextTag(); |
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parserOutput.text("\n");
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ArrayList items = new ArrayList(); |
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while (tag == KXmlParser.START_TAG) {
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parser.require(KXmlParser.START_TAG, null, "entry"); |
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if (parser.getAttributeCount() == 3) { |
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String rgb = parser.getAttributeValue(1).substring(parser.getAttributeValue(1).indexOf(",") + 1, parser.getAttributeValue(1).length()); |
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int a = Integer.valueOf(parser.getAttributeValue(1).substring(0, parser.getAttributeValue(1).indexOf(","))).intValue(); |
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int r = Integer.valueOf(rgb.substring(0, rgb.indexOf(","))).intValue(); |
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int g = Integer.valueOf(rgb.substring(rgb.indexOf(",") + 1, rgb.lastIndexOf(","))).intValue(); |
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int b = Integer.valueOf(rgb.substring(rgb.lastIndexOf(",") + 1, rgb.length())).intValue(); |
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ColorItem colorItem = new ColorItem();
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colorItem.setColor(new Color(r, g, b, a)); |
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colorItem.setInterpolated(50);
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colorItem.setNameClass(parser.getAttributeValue(0));
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colorItem.setValue(Double.parseDouble(parser.getAttributeValue(2))); |
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items.add(colorItem); |
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} |
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tag = parser.nextTag(); |
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parser.require(KXmlParser.END_TAG, null, "entry"); |
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tag = parser.nextTag(); |
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} |
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parser.require(KXmlParser.END_TAG, null, "table"); |
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tag = parser.nextTag(); |
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ColorTable colorTable = new ColorTable();
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colorTable.createPaletteFromColorItems(items, true);
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items = colorTable.getColorItems(); |
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for (int i = 0; i < items.size(); i++) { |
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ColorItem colorItem = (ColorItem) items.get(i); |
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parserOutput.startTag(null, "Color"); |
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parserOutput.attribute(null, "value", String.valueOf(colorItem.getValue())); |
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parserOutput.attribute(null, "name", String.valueOf(colorItem.getNameClass())); |
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Color color = colorItem.getColor();
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parserOutput.attribute(null, "rgb", String.valueOf(color.getRed() + "," + color.getGreen() + "," + color.getBlue())); |
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parserOutput.attribute(null, "interpolated", String.valueOf(colorItem.getInterpolated())); |
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parserOutput.endTag(null, "Color"); |
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parserOutput.text("\n");
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} |
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for (int i = 0; i < items.size(); i++) { |
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ColorItem colorItem = (ColorItem) items.get(i); |
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parserOutput.startTag(null, "Alpha"); |
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parserOutput.attribute(null, "value", String.valueOf(colorItem.getValue())); |
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parserOutput.attribute(null, "alpha", String.valueOf(colorItem.getColor().getAlpha())); |
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parserOutput.attribute(null, "interpolated", String.valueOf(colorItem.getInterpolated())); |
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parserOutput.endTag(null, "Alpha"); |
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parserOutput.text("\n");
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} |
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parserOutput.endTag(null, "ColorTable"); |
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parserOutput.text("\n");
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parserOutput.endDocument(); |
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// Cerrar nuevo fichero
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fileOutputStream.close(); |
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} |
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parser.require(KXmlParser.END_TAG, null, "palette"); |
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tag = parser.nextTag(); |
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} |
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parser.require(KXmlParser.END_TAG, null, "palettes"); |
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fileInputStream.close(); |
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// Cambiar nombre a antiguo fichero
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palettesFile.renameTo(new File(palettesBasePath + File.separator + "palettes.xml~")); |
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return;
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} catch (FileNotFoundException fnfEx) { |
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fnfEx.printStackTrace(); |
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} catch (XmlPullParserException xmlEx) {
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System.out.println("El fichero de paletas predeterminadas no tiene la estructura correcta:\n " + xmlEx.getMessage()); |
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} catch (IOException e) { |
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} |
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} |
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/**
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* Invocar? todos los metodos de actualizaciones de version
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* @param palettesBasePath
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*/
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public static void updateVersion(String palettesBasePath) { |
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updateVersion_1_0_to_1_1(palettesBasePath); |
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//updateVersion_1_1_to_1_2(palettesBasePath);
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} |
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/**
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* Devuelve el color si lo encuentra en el arraylist y lo elimina, en caso
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* contrario devuelve null
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* @param list
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* @param value
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* @return
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*/
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private static ColorItem getColorItem(ArrayList list, double value) { |
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for (int i = 0; i < list.size(); i++) { |
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if (((ColorItem) list.get(i)).getValue() == value) {
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return (ColorItem) list.remove(i);
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} |
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} |
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return null; |
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} |
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/**
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* Lee una paleta del fichero xml de paletas y la carga en la tabla del panel.
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* @param palettesPath Camino al fichero de paletas predefinidas.
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* @param paletteName Nombre de paleta a cargar desde el fichero xml.
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*/
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public static String loadPalette(String palettesBasePath, String paletteFileName, ArrayList items) { |
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updateVersion(palettesBasePath); |
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items.clear(); |
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File palettesFile = new File(palettesBasePath + File.separator + paletteFileName); |
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if (!palettesFile.exists())
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return null; |
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try {
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String paletteName = ""; |
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ArrayList rows = new ArrayList(); |
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KXmlParser parser = new KXmlParser();
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FileInputStream fileInputStream = new FileInputStream(palettesBasePath + File.separator + paletteFileName); |
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parser.setInput(fileInputStream, null);
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int tag = parser.nextTag();
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parser.require(KXmlParser.START_TAG, null, "ColorTable"); |
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for (int i = 0; i < parser.getAttributeCount(); i++) { |
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if (parser.getAttributeName(i).equals("name")) { |
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paletteName = parser.getAttributeValue(i); |
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} |
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} |
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tag = parser.nextTag(); |
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while (!((tag == KXmlParser.END_TAG) && (parser.getName().equals("ColorTable")))) { |
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try {
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if (tag == KXmlParser.START_TAG) {
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if (parser.getName().equals("Color")) { |
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ColorItem colorItem = new ColorItem();
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int a = 255; |
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for (int i = 0; i < parser.getAttributeCount(); i++) { |
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if (parser.getAttributeName(i).equals("value")) { |
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colorItem.setValue(Double.parseDouble((String) parser.getAttributeValue(i))); |
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ColorItem aux = getColorItem(rows, Double.parseDouble((String) parser.getAttributeValue(i))); |
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if (aux != null) |
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a = aux.getColor().getAlpha(); |
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} |
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if (parser.getAttributeName(i).equals("name")) { |
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colorItem.setNameClass((String) parser.getAttributeValue(i));
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} |
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if (parser.getAttributeName(i).equals("rgb")) { |
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String rgb = parser.getAttributeValue(i);
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int r = Integer.valueOf(rgb.substring(0, rgb.indexOf(","))).intValue(); |
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int g = Integer.valueOf(rgb.substring(rgb.indexOf(",") + 1, rgb.lastIndexOf(","))).intValue(); |
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int b = Integer.valueOf(rgb.substring(rgb.lastIndexOf(",") + 1, rgb.length())).intValue(); |
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colorItem.setColor(new Color(r, g, b, a)); |
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} |
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if (parser.getAttributeName(i).equals("interpolated")) { |
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colorItem.setInterpolated(Integer.parseInt((String) parser.getAttributeValue(i))); |
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} |
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} |
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rows.add(colorItem); |
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continue;
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} |
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if (parser.getName().equals("Alpha")) { |
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ColorItem colorItem = new ColorItem();
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for (int i = 0; i < parser.getAttributeCount(); i++) { |
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if (parser.getAttributeName(i).equals("value")) { |
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colorItem.setValue(Double.parseDouble((String) parser.getAttributeValue(i))); |
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ColorItem aux = getColorItem(rows, Double.parseDouble((String) parser.getAttributeValue(i))); |
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if (aux != null) { |
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colorItem.setNameClass(aux.getNameClass()); |
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colorItem.setInterpolated(aux.getInterpolated()); |
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colorItem.setColor(new Color(aux.getColor().getRed(), aux.getColor().getGreen(), aux.getColor().getBlue(), colorItem.getColor().getAlpha())); |
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} |
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} |
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if (parser.getAttributeName(i).equals("alpha")) { |
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int a = Integer.parseInt(parser.getAttributeValue(i)); |
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colorItem.setColor(new Color(colorItem.getColor().getRed(), colorItem.getColor().getGreen(), colorItem.getColor().getBlue(), a)); |
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} |
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if (parser.getAttributeName(i).equals("interpolated")) { |
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colorItem.setInterpolated(Integer.parseInt((String) parser.getAttributeValue(i))); |
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} |
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} |
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rows.add(colorItem); |
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continue;
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} |
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} |
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} finally {
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tag = parser.nextTag(); |
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} |
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} |
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for (int i = 0; i < rows.size(); i++) |
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items.add(rows.get(i)); |
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fileInputStream.close(); |
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return paletteName;
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} catch (FileNotFoundException fnfEx) { |
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fnfEx.printStackTrace(); |
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} catch (XmlPullParserException xmlEx) {
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System.out.println("El fichero de paletas predeterminadas no tiene la estructura correcta:\n " + xmlEx.getMessage()); |
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} catch (IOException e) { |
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} |
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return null; |
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} |
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} |