1 | /*
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2 | * XSLTUtil.java
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3 | * Copyright (C) 2008 New Zealand Digital Library, http://www.nzdl.org
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4 | *
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5 | * This program is free software; you can redistribute it and/or modify
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6 | * it under the terms of the GNU General Public License as published by
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7 | * the Free Software Foundation; either version 2 of the License, or
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8 | * (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., 675 Mass Ave, Cambridge, MA 02139, USA.
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18 | */
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19 | package org.greenstone.gsdl3.util;
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20 |
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21 | import java.io.File;
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22 | import java.text.SimpleDateFormat;
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23 | import java.util.ArrayList;
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24 | import java.util.Date;
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25 | import java.util.Enumeration;
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26 | import java.util.HashMap;
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27 | import java.util.Locale;
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28 |
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29 | import net.tanesha.recaptcha.ReCaptcha;
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30 | import net.tanesha.recaptcha.ReCaptchaFactory;
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31 |
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32 | import org.apache.commons.lang3.StringUtils;
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33 | import org.apache.log4j.Logger;
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34 | import org.greenstone.util.GlobalProperties;
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35 | import org.w3c.dom.Node;
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36 | import org.w3c.dom.NodeList;
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37 |
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38 | /**
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39 | * a class to contain various static methods that are used by the xslt
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40 | * stylesheets
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41 | */
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42 | public class XSLTUtil
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43 | {
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44 | protected static HashMap<String, ArrayList<String>> _foundTableValues = new HashMap<String, ArrayList<String>>();
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45 | static Logger logger = Logger.getLogger(org.greenstone.gsdl3.util.XSLTUtil.class.getName());
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46 |
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47 | /* some tests */
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48 | public static boolean equals(String s1, String s2)
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49 | {
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50 | return s1.equals(s2);
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51 | }
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52 |
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53 | public static boolean notEquals(String s1, String s2)
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54 | {
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55 | return !s1.equals(s2);
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56 | }
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57 |
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58 | public static boolean exists(String s1, String s2)
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59 | {
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60 | return !s1.equals("");
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61 | }
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62 |
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63 | public static boolean contains(String s1, String s2)
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64 | {
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65 | return (s1.indexOf(s2) != -1);
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66 | }
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67 |
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68 | public static boolean startsWith(String s1, String s2)
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69 | {
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70 | return s1.startsWith(s2);
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71 | }
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72 |
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73 | public static boolean endsWith(String s1, String s2)
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74 | {
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75 | return s1.endsWith(s2);
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76 | }
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77 |
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78 | public static boolean lessThan(String s1, String s2)
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79 | {
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80 | return (s1.compareTo(s2) < 0);
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81 | }
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82 |
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83 | public static boolean lessThanOrEquals(String s1, String s2)
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84 | {
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85 | return (s1.compareTo(s2) <= 0);
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86 | }
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87 |
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88 | public static boolean greaterThan(String s1, String s2)
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89 | {
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90 | return (s1.compareTo(s2) > 0);
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91 | }
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92 |
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93 | public static boolean greaterThanOrEquals(String s1, String s2)
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94 | {
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95 | return (s1.compareTo(s2) >= 0);
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96 | }
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97 |
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98 | public static boolean oidIsMatchOrParent(String first, String second)
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99 | {
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100 | if (first.equals(second))
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101 | {
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102 | return true;
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103 | }
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104 |
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105 | String[] firstParts = first.split(".");
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106 | String[] secondParts = second.split(".");
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107 |
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108 | if (firstParts.length >= secondParts.length)
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109 | {
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110 | return false;
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111 | }
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112 |
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113 | for (int i = 0; i < firstParts.length; i++)
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114 | {
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115 | if (!firstParts[i].equals(secondParts[i]))
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116 | {
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117 | return false;
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118 | }
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119 | }
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120 |
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121 | return true;
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122 | }
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123 |
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124 | public static String replace(String orig, String match, String replacement)
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125 | {
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126 | return orig.replace(match, replacement);
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127 | }
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128 |
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129 | public static String getNumberedItem(String list, int number)
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130 | {
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131 | String[] items = StringUtils.split(list, ",", -1);
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132 | if (items.length > number)
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133 | {
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134 | return items[number];
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135 | }
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136 | return ""; // index out of bounds
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137 | }
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138 |
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139 | /**
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140 | * Generates links to equivalent documents for a document with a default
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141 | * document icon/type. Links are generated from the parameters: a list of
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142 | * document icons which are each in turn embedded in the matching starting
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143 | * link tag in the list of docStartLinks (these starting links link to the
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144 | * equivalent documents in another format). Each link's start tag is closed
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145 | * with the corresponding closing tag in the docEndLinks list. Parameter
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146 | * token is the list separator. Parameter divider is the string that should
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147 | * separate each final link generated from the next. Returns a string that
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148 | * represents a sequence of links to equivalent documents, where the anchor
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149 | * is a document icon.
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150 | */
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151 | public static String getEquivDocLinks(String token, String docIconsString, String docStartLinksString, String docEndLinksString, String divider)
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152 | {
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153 | String[] docIcons = StringUtils.split(docIconsString, token, -1);
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154 | String[] startLinks = StringUtils.split(docStartLinksString, token, -1);
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155 | String[] endLinks = StringUtils.split(docEndLinksString, token, -1);
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156 |
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157 | StringBuffer buffer = new StringBuffer();
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158 | for (int i = 0; i < docIcons.length; i++)
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159 | {
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160 | if (i > 0)
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161 | {
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162 | buffer.append(divider);
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163 | }
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164 | buffer.append(startLinks[i] + docIcons[i] + endLinks[i]);
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165 | }
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166 |
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167 | return buffer.toString();
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168 | }
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169 |
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170 | public static String getInterfaceText(String interface_name, String lang, String key)
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171 | {
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172 | return getInterfaceText(interface_name, lang, key, null);
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173 | }
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174 |
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175 | public static String getInterfaceText(String interface_name, String lang, String key, String args_str)
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176 | {
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177 | key = key.replaceAll("__INTERFACE_NAME__", interface_name);
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178 |
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179 | String[] args = null;
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180 | if (args_str != null && !args_str.equals(""))
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181 | {
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182 | args = StringUtils.split(args_str, ";");
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183 | }
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184 | Dictionary dict = new Dictionary("interface_" + interface_name, lang);
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185 | String result = dict.get(key, args);
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186 | if (result == null)
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187 | { // not found
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188 | //if not found, search a separate subdirectory named by the interface name
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189 | String sep_interface_dir = interface_name + File.separatorChar + lang + File.separatorChar + "interface";
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190 | dict = new Dictionary(sep_interface_dir, lang);
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191 | result = dict.get(key, args);
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192 | if (result != null)
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193 | {
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194 | result = result.replaceAll("__INTERFACE_NAME__", interface_name);
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195 | return result;
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196 | }
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197 | }
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198 |
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199 | if (result == null && !interface_name.equals("default"))
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200 | { // not found, try the default interface
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201 | dict = new Dictionary("interface_default", lang);
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202 | result = dict.get(key, args);
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203 | }
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204 |
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205 | if (result == null)
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206 | { // not found
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207 | return "_" + key + "_";
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208 | }
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209 | result = result.replaceAll("__INTERFACE_NAME__", interface_name);
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210 | return result;
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211 | }
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212 |
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213 | public static String getInterfaceTextWithDOM(String interface_name, String lang, String key, Node arg_node)
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214 | {
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215 | String[] args = new String[1];
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216 |
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217 | String node_str = XMLConverter.getString(arg_node);
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218 | args[0] = node_str;
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219 | Dictionary dict = new Dictionary("interface_" + interface_name, lang);
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220 | String result = dict.get(key, args);
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221 | if (result == null)
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222 | { // not found
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223 | //if not found, search a separate subdirectory named by the interface name
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224 | String sep_interface_dir = interface_name + File.separatorChar + lang + File.separatorChar + "interface";
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225 | dict = new Dictionary(sep_interface_dir, lang);
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226 | result = dict.get(key, args);
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227 | if (result != null)
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228 | {
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229 | return result;
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230 | }
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231 | }
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232 |
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233 | if (result == null && !interface_name.equals("default"))
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234 | { // not found, try the default interface
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235 | dict = new Dictionary("interface_default", lang);
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236 | result = dict.get(key, args);
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237 | }
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238 |
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239 | if (result == null)
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240 | { // not found
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241 | return "_" + key + "_";
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242 | }
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243 |
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244 | return result;
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245 | }
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246 |
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247 | public static String getInterfaceTextWithDOM(String interface_name, String lang, String key, Node arg1_node, Node arg2_node)
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248 | {
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249 | String[] args = new String[2];
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250 |
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251 | String node_str = XMLConverter.getString(arg1_node);
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252 | args[0] = node_str;
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253 | node_str = XMLConverter.getString(arg2_node);
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254 | args[1] = node_str;
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255 | Dictionary dict = new Dictionary("interface_" + interface_name, lang);
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256 | String result = dict.get(key, args);
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257 | if (result == null)
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258 | { // not found
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259 | //if not found, search a separate subdirectory named by the interface name
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260 | String sep_interface_dir = interface_name + File.separatorChar + lang + File.separatorChar + "interface";
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261 | dict = new Dictionary(sep_interface_dir, lang);
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262 | result = dict.get(key, args);
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263 | if (result != null)
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264 | {
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265 | return result;
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266 | }
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267 | }
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268 |
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269 | if (result == null && !interface_name.equals("default"))
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270 | { // not found, try the default interface
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271 | dict = new Dictionary("interface_default", lang);
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272 | result = dict.get(key, args);
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273 | }
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274 |
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275 | if (result == null)
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276 | { // not found
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277 | return "_" + key + "_";
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278 | }
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279 |
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280 | return result;
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281 | }
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282 |
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283 | public static String getCollectionText(String collection, String site_name, String lang, String key)
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284 | {
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285 | return getCollectionTextWithDOMMulti(collection, site_name, lang, key);
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286 | }
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287 |
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288 | // xslt didn't like calling the function with Node varargs, so have this hack for now
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289 | public static String getCollectionTextWithDOM(String collection, String site_name, String lang, String key, Node n1)
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290 | {
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291 | return getCollectionTextWithDOMMulti(collection, site_name, lang, key, n1);
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292 | }
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293 |
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294 | public static String getCollectionTextWithDOM(String collection, String site_name, String lang, String key, Node n1, Node n2)
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295 | {
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296 | return getCollectionTextWithDOMMulti(collection, site_name, lang, key, n1, n2);
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297 | }
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298 |
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299 | public static String getCollectionTextWithDOM(String collection, String site_name, String lang, String key, Node n1, Node n2, Node n3)
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300 | {
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301 | return getCollectionTextWithDOMMulti(collection, site_name, lang, key, n1, n2, n3);
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302 | }
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303 |
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304 | public static String getCollectionTextWithDOM(String collection, String site_name, String lang, String key, Node n1, Node n2, Node n3, Node n4)
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305 | {
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306 | return getCollectionTextWithDOMMulti(collection, site_name, lang, key, n1, n2, n3, n4);
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307 | }
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308 |
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309 | public static String getCollectionTextWithDOMMulti(String collection, String site_name, String lang, String key, Node... nodes)
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310 | {
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311 | int num_nodes = nodes.length;
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312 | String[] args = null;
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313 | if (num_nodes != 0)
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314 | {
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315 | args = new String[num_nodes];
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316 |
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317 | for (int i = 0; i < num_nodes; i++)
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318 | {
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319 |
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320 | String node_str = XMLConverter.getString(nodes[i]);
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321 | args[i] = node_str;
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322 | }
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323 | }
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324 |
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325 | CollectionClassLoader class_loader = new CollectionClassLoader(XSLTUtil.class.getClassLoader(), GSFile.siteHome(GlobalProperties.getGSDL3Home(), site_name), collection);
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326 | Dictionary dict = new Dictionary(collection, lang, class_loader);
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327 | String result = dict.get(key, args);
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328 | if (result != null)
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329 | {
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330 | return result;
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331 | }
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332 | return "text:" + collection + ":" + key;
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333 |
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334 | }
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335 |
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336 | public static boolean isImage(String mimetype)
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337 | {
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338 | if (mimetype.startsWith("image/"))
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339 | {
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340 | return true;
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341 | }
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342 | return false;
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343 | }
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344 |
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345 | // formatting /preprocessing functions
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346 | // some require a language, so we'll have a language param for all
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347 | public static String toLower(String orig, String lang)
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348 | {
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349 | return orig.toLowerCase();
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350 | }
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351 |
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352 | public static String toUpper(String orig, String lang)
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353 | {
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354 | return orig.toUpperCase();
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355 | }
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356 |
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357 | public static String tidyWhitespace(String original, String lang)
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358 | {
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359 |
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360 | if (original == null || original.equals(""))
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361 | {
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362 | return original;
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363 | }
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364 | String new_s = original.replaceAll("\\s+", " ");
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365 | return new_s;
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366 | }
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367 |
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368 | public static String stripWhitespace(String original, String lang)
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369 | {
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370 |
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371 | if (original == null || original.equals(""))
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372 | {
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373 | return original;
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374 | }
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375 | String new_s = original.replaceAll("\\s+", "");
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376 | return new_s;
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377 | }
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378 |
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379 | public static byte[] toUTF8(String orig, String lang)
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380 | {
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381 | try
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382 | {
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383 | byte[] utf8 = orig.getBytes("UTF-8");
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384 | return utf8;
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385 | }
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386 | catch (Exception e)
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387 | {
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388 | logger.error("unsupported encoding");
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389 | return orig.getBytes();
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390 | }
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391 | }
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392 |
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393 | public static String formatDate(String date, String lang)
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394 | {
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395 |
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396 | String in_pattern = "yyyyMMdd";
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397 | String out_pattern = "dd MMMM yyyy";
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398 | if (date.length() == 6)
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399 | {
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400 | in_pattern = "yyyyMM";
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401 | }
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402 |
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403 | SimpleDateFormat formatter = new SimpleDateFormat(in_pattern, new Locale(lang));
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404 | try
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405 | {
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406 | Date d = formatter.parse(date);
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407 | formatter.applyPattern(out_pattern);
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408 | String new_date = formatter.format(d);
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409 | return new_date;
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410 | }
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411 | catch (Exception e)
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412 | {
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413 | return date;
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414 | }
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415 |
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416 | }
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417 |
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418 | public static String formatLanguage(String display_lang, String lang)
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419 | {
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420 |
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421 | return new Locale(display_lang).getDisplayLanguage(new Locale(lang));
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422 | }
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423 |
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424 | public static String cgiSafe(String original, String lang)
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425 | {
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426 |
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427 | original = original.replace('&', ' ');
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428 | original = original.replaceAll(" ", "%20");
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429 | return original;
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430 | }
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431 |
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432 | public static String formatBigNumber(String num, String lang)
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433 | {
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434 |
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435 | String num_str = num;
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436 | char[] num_chars = num_str.toCharArray();
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437 | String zero_str = "";
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438 | String formatted_str = "";
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439 |
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440 | for (int i = num_chars.length - 4; i >= 0; i--)
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441 | {
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442 | zero_str += '0';
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443 | }
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444 |
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445 | String sig_str = "";
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446 | for (int i = 0; i < 3 && i < num_chars.length; i++)
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447 | {
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448 | sig_str = sig_str + num_chars[i];
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449 | if (i == 1 && i + 1 < num_chars.length)
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450 | {
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451 | sig_str = sig_str + ".";
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452 | }
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453 | }
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454 |
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455 | int sig_int = Math.round(Float.parseFloat(sig_str));
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456 | String new_sig_str = sig_int + "";
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457 | if (sig_str.length() > 2)
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458 | {
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459 | new_sig_str = sig_int + "0";
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460 | }
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461 |
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462 | char[] final_chars = (new_sig_str + zero_str).toCharArray();
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463 | int count = 1;
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464 | for (int i = final_chars.length - 1; i >= 0; i--)
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465 | {
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466 | formatted_str = final_chars[i] + formatted_str;
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467 | if (count == 3 && i != 0)
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468 | {
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469 | formatted_str = "," + formatted_str;
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470 | count = 1;
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471 | }
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472 | else
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473 | {
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474 | count++;
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475 | }
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476 | }
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477 | return formatted_str;
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478 | }
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479 |
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480 | public static String hashToSectionId(String hashString)
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481 | {
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482 | if (hashString == null || hashString.length() == 0)
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483 | {
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484 | return "";
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485 | }
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486 |
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487 | int firstDotIndex = hashString.indexOf(".");
|
---|
488 | if (firstDotIndex == -1)
|
---|
489 | {
|
---|
490 | return "";
|
---|
491 | }
|
---|
492 |
|
---|
493 | String sectionString = hashString.substring(firstDotIndex + 1);
|
---|
494 |
|
---|
495 | return sectionString;
|
---|
496 | }
|
---|
497 |
|
---|
498 | public static String hashToDepthClass(String hashString)
|
---|
499 | {
|
---|
500 | if (hashString == null || hashString.length() == 0)
|
---|
501 | {
|
---|
502 | return "";
|
---|
503 | }
|
---|
504 |
|
---|
505 | String sectionString = hashToSectionId(hashString);
|
---|
506 |
|
---|
507 | int count = sectionString.split("\\.").length;
|
---|
508 |
|
---|
509 | if (sectionString.equals(""))
|
---|
510 | {
|
---|
511 | return "sectionHeaderDepthTitle";
|
---|
512 | }
|
---|
513 | else
|
---|
514 | {
|
---|
515 | return "sectionHeaderDepth" + count;
|
---|
516 | }
|
---|
517 | }
|
---|
518 |
|
---|
519 | public static String escapeNewLines(String str)
|
---|
520 | {
|
---|
521 | if (str == null || str.length() < 1)
|
---|
522 | {
|
---|
523 | return null;
|
---|
524 | }
|
---|
525 | return str.replace("\n", "\\\n");
|
---|
526 | }
|
---|
527 |
|
---|
528 | public static String escapeQuotes(String str)
|
---|
529 | {
|
---|
530 | if (str == null || str.length() < 1)
|
---|
531 | {
|
---|
532 | return null;
|
---|
533 | }
|
---|
534 | return str.replace("\"", "\\\"");
|
---|
535 | }
|
---|
536 |
|
---|
537 | public static String escapeNewLinesAndQuotes(String str)
|
---|
538 | {
|
---|
539 | if (str == null || str.length() < 1)
|
---|
540 | {
|
---|
541 | return null;
|
---|
542 | }
|
---|
543 | return escapeNewLines(escapeQuotes(str));
|
---|
544 | }
|
---|
545 |
|
---|
546 | public static String getGlobalProperty(String name)
|
---|
547 | {
|
---|
548 | return GlobalProperties.getProperty(name);
|
---|
549 | }
|
---|
550 |
|
---|
551 | public static void clearMetadataStorage()
|
---|
552 | {
|
---|
553 | _foundTableValues.clear();
|
---|
554 | }
|
---|
555 |
|
---|
556 | public static boolean checkMetadataNotDuplicate(String name, String value)
|
---|
557 | {
|
---|
558 | if (_foundTableValues.containsKey(name))
|
---|
559 | {
|
---|
560 | for (String mapValue : _foundTableValues.get(name))
|
---|
561 | {
|
---|
562 | if (mapValue.equals(value))
|
---|
563 | {
|
---|
564 | return false;
|
---|
565 | }
|
---|
566 | }
|
---|
567 | _foundTableValues.get(name).add(value);
|
---|
568 | return true;
|
---|
569 | }
|
---|
570 |
|
---|
571 | ArrayList<String> newList = new ArrayList<String>();
|
---|
572 | newList.add(value);
|
---|
573 |
|
---|
574 | _foundTableValues.put(name, newList);
|
---|
575 |
|
---|
576 | return true;
|
---|
577 | }
|
---|
578 |
|
---|
579 | public static String reCAPTCHAimage(String publicKey, String privateKey)
|
---|
580 | {
|
---|
581 | ReCaptcha c = ReCaptchaFactory.newReCaptcha(publicKey, privateKey, false);
|
---|
582 | return c.createRecaptchaHtml(null, null);
|
---|
583 | }
|
---|
584 |
|
---|
585 | public static String getInterfaceStringsAsJavascript(String interface_name, String lang, String prefix)
|
---|
586 | {
|
---|
587 | String prependToPrefix = "gs.text";
|
---|
588 | return XSLTUtil.getInterfaceStringsAsJavascript(interface_name, lang, prefix, prependToPrefix);
|
---|
589 | }
|
---|
590 |
|
---|
591 | // generates javascript: 2 arrays are declared and populated with strings that declare variables and assign their values
|
---|
592 | // to be strings loaded from the interface_name.properties file for the language.
|
---|
593 | public static String getInterfaceStringsAsJavascript(String interface_name, String lang, String prefix, String prependToPrefix)
|
---|
594 | {
|
---|
595 | // 1. Generating Javascript of the form:
|
---|
596 | // if(!gs.text) { gs.text = new Array(); }
|
---|
597 | // if(!gs.text.dse) { gs.text.dse = new Array(); }
|
---|
598 | StringBuffer outputStr = new StringBuffer();
|
---|
599 | outputStr.append("if(!gs.text) { ");
|
---|
600 | outputStr.append(prependToPrefix + " = new Array(); ");
|
---|
601 | outputStr.append("}\n");
|
---|
602 | outputStr.append("if(!gs.text." + prefix + ") { ");
|
---|
603 | outputStr.append(prependToPrefix + "." + prefix + " = new Array(); ");
|
---|
604 | outputStr.append("}\n");
|
---|
605 |
|
---|
606 | Dictionary dict = new Dictionary("interface_" + interface_name, lang);
|
---|
607 | Enumeration keys = dict.getKeys();
|
---|
608 | if (keys == null)
|
---|
609 | { // try default interface
|
---|
610 | //logger.debug("****** Interface name: " + interface_name + " does not have any keys. Trying interface_default.");
|
---|
611 | dict = new Dictionary("interface_default", lang);
|
---|
612 | keys = dict.getKeys();
|
---|
613 | }
|
---|
614 |
|
---|
615 | // Get all properties in the language-specific dictionary with the given key prefix
|
---|
616 | // Create Javascript strings of the form:
|
---|
617 | // prependToPrefix.key= "value";\n
|
---|
618 | while (keys.hasMoreElements())
|
---|
619 | {
|
---|
620 | String key = (String) keys.nextElement();
|
---|
621 | if (key.startsWith(prefix))
|
---|
622 | {
|
---|
623 | String value = getInterfaceText(interface_name, lang, key);
|
---|
624 |
|
---|
625 | outputStr.append(prependToPrefix);
|
---|
626 | outputStr.append(".");
|
---|
627 | outputStr.append(key);
|
---|
628 | outputStr.append("=\"");
|
---|
629 | outputStr.append(value);
|
---|
630 | outputStr.append("\";\n");
|
---|
631 | }
|
---|
632 | }
|
---|
633 |
|
---|
634 | return outputStr.toString();
|
---|
635 | }
|
---|
636 |
|
---|
637 | public static String xmlNodeToString(Node node)
|
---|
638 | {
|
---|
639 | return GSXML.xmlNodeToString(node);
|
---|
640 | }
|
---|
641 |
|
---|
642 | // Test from cmdline with:
|
---|
643 | // java -classpath /research/ak19/gs3-svn/web/WEB-INF/lib/gsdl3.jar:/research/ak19/gs3-svn/web/WEB-INF/lib/log4j-1.2.8.jar:/research/ak19/gs3-svn/web/WEB-INF/classes/ org.greenstone.gsdl3.util.XSLTUtil
|
---|
644 | public static void main(String args[])
|
---|
645 | {
|
---|
646 | System.out.println("\n@@@@@\n" + XSLTUtil.getInterfaceStringsAsJavascript("default", "en", "dse", "gs.text") + "@@@@@\n");
|
---|
647 | }
|
---|
648 | }
|
---|