root / trunk / libraries / libRemoteServices / src / org / gvsig / remoteClientOld / utils / Utilities.java @ 3321
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1 | 3321 | luisw2 | package org.gvsig.remoteClientOld.utils; |
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2 | /* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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3 | *
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4 | * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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5 | *
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6 | * This program is free software; you can redistribute it and/or
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7 | * modify it under the terms of the GNU General Public License
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8 | * as published by the Free Software Foundation; either version 2
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9 | * of the License, or (at your option) any later version.
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10 | *
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11 | * This program is distributed in the hope that it will be useful,
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 | * GNU General Public License for more details.
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15 | *
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16 | * You should have received a copy of the GNU General Public License
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17 | * along with this program; if not, write to the Free Software
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18 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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19 | *
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20 | * For more information, contact:
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21 | *
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22 | * Generalitat Valenciana
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23 | * Conselleria d'Infraestructures i Transport
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24 | * Av. Blasco Ib??ez, 50
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25 | * 46010 VALENCIA
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26 | * SPAIN
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27 | *
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28 | * +34 963862235
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29 | * gvsig@gva.es
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30 | * www.gvsig.gva.es
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31 | *
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32 | * or
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33 | *
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34 | * IVER T.I. S.A
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35 | * Salamanca 50
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36 | * 46005 Valencia
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37 | * Spain
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38 | *
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39 | * +34 963163400
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40 | * dac@iver.es
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41 | */
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42 | |||
43 | import java.io.IOException; |
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44 | import java.io.InputStream; |
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45 | import java.io.OutputStream; |
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46 | |||
47 | import java.rmi.NoSuchObjectException; |
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48 | |||
49 | |||
50 | /**
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51 | * Clase con m?todos de utilidad en el protocolo WMS
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52 | *
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53 | * @author Fernando Gonz?lez Cort?s
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54 | */
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55 | public class Utilities { |
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56 | /**
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57 | * Copia el contenido de un InputStream en un OutputStream
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58 | *
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59 | * @param in InputStream
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60 | * @param out OutputStream
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61 | */
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62 | public static void serializar(InputStream in, OutputStream out) { |
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63 | byte[] buffer = new byte[102400]; |
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64 | |||
65 | int n;
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66 | |||
67 | try {
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68 | while ((n = in.read(buffer)) != -1) { |
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69 | out.write(buffer, 0, n);
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70 | } |
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71 | } catch (IOException e) { |
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72 | e.printStackTrace(); |
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73 | } |
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74 | } |
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75 | |||
76 | /**
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77 | * Elimina del xml la declaraci?n del DTD
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78 | *
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79 | * @param bytes bytes del fichero XML de respuesta a getCapabilities
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80 | * @param startTag Tag raiz del xml respuesta a getCapabilities
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81 | *
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82 | * @return bytes del fichero XML sin la declaraci?n del DTD
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83 | */
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84 | public static byte[] eliminarDTD(byte[] bytes, String startTag) { |
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85 | String text = new String(bytes); |
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86 | int index1 = text.indexOf("?>") + 2; |
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87 | int index2;
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88 | |||
89 | try {
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90 | index2 = findBeginIndex(bytes, startTag); |
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91 | } catch (NoSuchObjectException e) { |
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92 | return bytes;
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93 | } |
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94 | |||
95 | byte[] buffer = new byte[bytes.length - (index2 - index1)]; |
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96 | System.arraycopy(bytes, 0, buffer, 0, index1); |
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97 | System.arraycopy(bytes, index2, buffer, index1, bytes.length - index2);
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98 | |||
99 | return buffer;
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100 | } |
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101 | |||
102 | /**
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103 | * Obtiene el ?ndice del comienzo del xml
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104 | *
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105 | * @param bytes bytes del fichero XML en el que se busca
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106 | * @param tagRaiz Tag raiz del xml respuesta a getCapabilities
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107 | *
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108 | * @return ?ndice donde empieza el tag raiz
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109 | *
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110 | * @throws NoSuchObjectException Si no se encuentra el tag
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111 | */
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112 | private static int findBeginIndex(byte[] bytes, String tagRaiz) |
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113 | throws NoSuchObjectException { |
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114 | try {
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115 | int nodo = 0; |
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116 | int ret = -1; |
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117 | |||
118 | int i = 0; |
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119 | |||
120 | while (true) { |
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121 | switch (nodo) {
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122 | case 0: |
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123 | |||
124 | if (bytes[i] == '<') { |
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125 | ret = i; |
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126 | nodo = 1;
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127 | } |
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128 | |||
129 | break;
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130 | |||
131 | case 1: |
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132 | |||
133 | if (bytes[i] == ' ') { |
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134 | } else if (bytes[i] == tagRaiz.charAt(0)) { |
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135 | nodo = 2;
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136 | } else {
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137 | nodo = 0;
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138 | } |
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139 | |||
140 | break;
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141 | |||
142 | case 2: |
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143 | |||
144 | String aux = new String(bytes, i, 18); |
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145 | |||
146 | if (aux.equalsIgnoreCase(tagRaiz.substring(1))) { |
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147 | return ret;
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148 | } |
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149 | |||
150 | nodo = 0;
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151 | |||
152 | break;
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153 | } |
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154 | |||
155 | i++; |
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156 | } |
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157 | } catch (Exception e) { |
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158 | throw new NoSuchObjectException("No se pudo parsear el xml"); |
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159 | } |
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160 | } |
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161 | } |