root / trunk / libraries / libRaster / src / org / gvsig / raster / dataset / serializer / ColorInterpretationRmfSerializer.java @ 18040
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1 | 18040 | nbrodin | /* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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2 | *
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3 | * Copyright (C) 2007 IVER T.I. and Generalitat Valenciana.
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4 | *
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5 | * This program is free software; you can redistribute it and/or
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6 | * modify it under the terms of the GNU General Public License
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7 | * as published by the Free Software Foundation; either version 2
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8 | * of the License, or (at your option) any later version.
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9 | *
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10 | * This program is distributed in the hope that it will be useful,
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11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 | * GNU General Public License for more details.
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14 | *
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15 | * You should have received a copy of the GNU General Public License
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16 | * along with this program; if not, write to the Free Software
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17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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18 | */
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19 | package org.gvsig.raster.dataset.serializer; |
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20 | |||
21 | import java.io.IOException; |
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22 | import java.io.Reader; |
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23 | import java.io.StringReader; |
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24 | |||
25 | import org.gvsig.raster.dataset.io.rmf.ClassSerializer; |
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26 | import org.gvsig.raster.dataset.io.rmf.ParsingException; |
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27 | import org.gvsig.raster.dataset.properties.DatasetColorInterpretation; |
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28 | import org.kxml2.io.KXmlParser; |
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29 | import org.xmlpull.v1.XmlPullParserException; |
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30 | |||
31 | /**
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32 | * <P>
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33 | * Clase para convertir a XML la informaci?n de interpretaci?n de color de cada
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34 | * banda del raster.
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35 | * </P>
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36 | * \<ColorInterpretation\>
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37 | * \<BandCount\>3\</BandCount\><BR>
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38 | * \<Band\>Red\</Band\><BR>
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39 | * \<Band\>Green\</Band\><BR>
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40 | * \<Band\>Blue\</Band\><BR>
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41 | * \</ColorInterpretation\><BR>
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42 | *
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43 | * @version 14/01/2008
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44 | * @author Nacho Brodin (nachobrodin@gmail.com)
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45 | *
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46 | */
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47 | public class ColorInterpretationRmfSerializer extends ClassSerializer { |
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48 | |||
49 | //TAGS
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50 | public static final String MAIN_TAG = "ColorInterpretation"; |
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51 | public static final String BAND = "Band"; |
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52 | public static final String BANDCOUNT = "BandCount"; |
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53 | |||
54 | private DatasetColorInterpretation datasetCI = null; |
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55 | |||
56 | /**
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57 | * Constructor. Asigna la tabla a serializar.
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58 | * @param ColorTable tabla a convertir en XML
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59 | */
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60 | public ColorInterpretationRmfSerializer(DatasetColorInterpretation datasetCI) {
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61 | this.datasetCI = datasetCI;
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62 | } |
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63 | |||
64 | /**
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65 | * Constructor.
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66 | */
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67 | public ColorInterpretationRmfSerializer() {
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68 | } |
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69 | |||
70 | |||
71 | /*
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72 | * (non-Javadoc)
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73 | * @see org.gvsig.raster.dataset.io.rmf.IRmfBlock#read(java.lang.String)
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74 | */
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75 | public void read(String xml) throws ParsingException { |
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76 | String cInterp = null; |
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77 | datasetCI = new DatasetColorInterpretation();
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78 | int band = 0; |
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79 | |||
80 | KXmlParser parser = new KXmlParser();
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81 | Reader reader = new StringReader(xml); |
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82 | try {
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83 | parser.setInput(reader); |
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84 | } catch (XmlPullParserException e) {
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85 | throw new ParsingException(xml); |
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86 | } |
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87 | try {
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88 | int tag = parser.nextTag();
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89 | |||
90 | if ( parser.getEventType() != KXmlParser.END_DOCUMENT ){
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91 | parser.require(KXmlParser.START_TAG, null, MAIN_TAG);
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92 | while(tag != KXmlParser.END_DOCUMENT) {
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93 | switch(tag) {
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94 | case KXmlParser.START_TAG:
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95 | if (parser.getName().compareTo(MAIN_TAG) == 0) { |
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96 | int nBands = Integer.valueOf(parserString(parser, BANDCOUNT, null)).intValue(); |
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97 | datasetCI.initColorInterpretation(nBands); |
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98 | for (int i = 0; i < nBands; i++) { |
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99 | cInterp = parserString(parser, BAND, null);
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100 | datasetCI.setColorInterpValue(i, cInterp); |
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101 | band ++; |
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102 | } |
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103 | } |
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104 | break;
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105 | case KXmlParser.END_TAG:
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106 | break;
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107 | case KXmlParser.TEXT:
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108 | break;
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109 | } |
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110 | tag = parser.next(); |
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111 | } |
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112 | parser.require(KXmlParser.END_DOCUMENT, null, null); |
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113 | } |
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114 | |||
115 | } catch (XmlPullParserException e) {
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116 | throw new ParsingException(xml); |
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117 | } catch (IOException e) { |
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118 | throw new ParsingException(xml); |
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119 | } |
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120 | |||
121 | } |
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122 | |||
123 | /*
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124 | * (non-Javadoc)
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125 | * @see org.gvsig.raster.dataset.io.rmf.IRmfBlock#write()
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126 | */
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127 | public String write() { |
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128 | StringBuffer b = new StringBuffer(); |
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129 | if(datasetCI == null) |
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130 | return null; |
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131 | |||
132 | b.append("<" + MAIN_TAG + ">\n"); |
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133 | putProperty(b, BANDCOUNT, datasetCI.length(), 1);
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134 | for (int i = 0; i < datasetCI.length(); i++) { |
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135 | String ci = datasetCI.get(i);
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136 | if(ci != null) |
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137 | putProperty(b, BAND, ci, 1);
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138 | } |
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139 | b.append("</" + MAIN_TAG + ">\n"); |
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140 | return b.toString();
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141 | } |
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142 | |||
143 | /*
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144 | * (non-Javadoc)
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145 | * @see org.gvsig.raster.dataset.io.rmf.IRmfBlock#getResult()
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146 | */
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147 | public Object getResult() { |
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148 | return datasetCI;
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149 | } |
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150 | |||
151 | /*
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152 | * (non-Javadoc)
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153 | * @see org.gvsig.raster.dataset.io.rmf.IRmfBlock#getMainTag()
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154 | */
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155 | public String getMainTag() { |
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156 | return MAIN_TAG;
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157 | } |
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158 | } |