1 | /*
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2 | * SVG Salamander
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3 | * Copyright (c) 2004, Mark McKay
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4 | * All rights reserved.
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5 | *
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6 | * Redistribution and use in source and binary forms, with or
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7 | * without modification, are permitted provided that the following
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8 | * conditions are met:
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9 | *
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10 | * - Redistributions of source code must retain the above
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11 | * copyright notice, this list of conditions and the following
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12 | * disclaimer.
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13 | * - Redistributions in binary form must reproduce the above
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14 | * copyright notice, this list of conditions and the following
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15 | * disclaimer in the documentation and/or other materials
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16 | * provided with the distribution.
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17 | *
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18 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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19 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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20 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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21 | * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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22 | * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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23 | * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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24 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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25 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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26 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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27 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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28 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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29 | * OF THE POSSIBILITY OF SUCH DAMAGE.
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30 | *
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31 | * Mark McKay can be contacted at mark@kitfox.com. Salamander and other
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32 | * projects can be found at http://www.kitfox.com
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33 | *
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34 | * Created on February 18, 2004, 1:49 PM
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35 | */
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36 |
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37 | package com.kitfox.svg.xml;
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38 |
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39 | import com.kitfox.svg.SVGConst;
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40 | import org.w3c.dom.*;
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41 | import java.awt.*;
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42 | import java.net.*;
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43 | import java.util.*;
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44 | import java.util.regex.*;
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45 | import java.lang.reflect.*;
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46 | import java.util.logging.Level;
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47 | import java.util.logging.Logger;
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48 |
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49 | /**
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50 | * @author Mark McKay
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51 | * @author <a href="mailto:mark@kitfox.com">Mark McKay</a>
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52 | */
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53 | public class XMLParseUtil
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54 | {
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55 | static final Matcher fpMatch = Pattern.compile("([-+]?((\\d*\\.\\d+)|(\\d+))([eE][+-]?\\d+)?)(\\%|in|cm|mm|pt|pc|px|em|ex)?").matcher("");
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56 | static final Matcher intMatch = Pattern.compile("[-+]?\\d+").matcher("");
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57 |
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58 | /** Creates a new instance of XMLParseUtil */
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59 | private XMLParseUtil()
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60 | {
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61 | }
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62 |
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63 | /**
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64 | * Scans the tag's children and returns the first text element found
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65 | */
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66 | public static String getTagText(Element ele)
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67 | {
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68 | NodeList nl = ele.getChildNodes();
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69 | int size = nl.getLength();
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70 |
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71 | Node node = null;
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72 | int i = 0;
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73 | for (; i < size; i++)
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74 | {
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75 | node = nl.item(i);
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76 | if (node instanceof Text) break;
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77 | }
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78 | if (i == size || node == null) return null;
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79 |
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80 | return ((Text)node).getData();
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81 | }
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82 |
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83 | /**
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84 | * Returns the first node that is a direct child of root with the coresponding
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85 | * name. Does not search children of children.
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86 | */
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87 | public static Element getFirstChild(Element root, String name)
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88 | {
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89 | NodeList nl = root.getChildNodes();
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90 | int size = nl.getLength();
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91 | for (int i = 0; i < size; i++)
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92 | {
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93 | Node node = nl.item(i);
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94 | if (!(node instanceof Element)) continue;
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95 | Element ele = (Element)node;
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96 | if (ele.getTagName().equals(name)) return ele;
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97 | }
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98 |
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99 | return null;
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100 | }
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101 |
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102 | public static String[] parseStringList(String list)
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103 | {
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104 | // final Pattern patWs = Pattern.compile("\\s+");
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105 | final Matcher matchWs = Pattern.compile("[^\\s]+").matcher("");
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106 | matchWs.reset(list);
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107 |
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108 | LinkedList matchList = new LinkedList();
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109 | while (matchWs.find())
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110 | {
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111 | matchList.add(matchWs.group());
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112 | }
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113 |
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114 | String[] retArr = new String[matchList.size()];
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115 | return (String[])matchList.toArray(retArr);
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116 | }
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117 |
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118 | public static boolean isDouble(String val)
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119 | {
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120 | fpMatch.reset(val);
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121 | return fpMatch.matches();
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122 | }
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123 |
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124 | public static double parseDouble(String val)
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125 | {
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126 | /*
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127 | if (val == null) return 0.0;
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128 |
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129 | double retVal = 0.0;
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130 | try
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131 | { retVal = Double.parseDouble(val); }
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132 | catch (Exception e)
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133 | {}
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134 | return retVal;
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135 | */
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136 | return findDouble(val);
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137 | }
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138 |
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139 | /**
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140 | * Searches the given string for the first floating point number it contains,
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141 | * parses and returns it.
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142 | */
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143 | public synchronized static double findDouble(String val)
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144 | {
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145 | if (val == null) return 0;
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146 |
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147 | fpMatch.reset(val);
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148 | try
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149 | {
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150 | if (!fpMatch.find()) return 0;
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151 | }
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152 | catch (StringIndexOutOfBoundsException e)
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153 | {
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154 | Logger.getLogger(SVGConst.SVG_LOGGER).log(Level.WARNING,
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155 | "XMLParseUtil: regex parse problem: '" + val + "'", e);
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156 | }
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157 |
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158 | val = fpMatch.group(1);
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159 | //System.err.println("Parsing " + val);
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160 |
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161 | double retVal = 0;
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162 | try
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163 | {
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164 | retVal = Double.parseDouble(val);
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165 |
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166 | float pixPerInch;
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167 | try {
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168 | pixPerInch = (float)Toolkit.getDefaultToolkit().getScreenResolution();
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169 | }
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170 | catch (NoClassDefFoundError err)
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171 | {
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172 | //Default value for headless X servers
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173 | pixPerInch = 72;
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174 | }
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175 | final float inchesPerCm = .3936f;
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176 | final String units = fpMatch.group(6);
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177 |
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178 | if ("%".equals(units)) retVal /= 100;
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179 | else if ("in".equals(units))
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180 | {
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181 | retVal *= pixPerInch;
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182 | }
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183 | else if ("cm".equals(units))
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184 | {
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185 | retVal *= inchesPerCm * pixPerInch;
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186 | }
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187 | else if ("mm".equals(units))
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188 | {
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189 | retVal *= inchesPerCm * pixPerInch * .1f;
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190 | }
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191 | else if ("pt".equals(units))
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192 | {
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193 | retVal *= (1f / 72f) * pixPerInch;
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194 | }
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195 | else if ("pc".equals(units))
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196 | {
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197 | retVal *= (1f / 6f) * pixPerInch;
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198 | }
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199 | }
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200 | catch (Exception e)
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201 | {}
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202 | return retVal;
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203 | }
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204 |
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205 | /**
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206 | * Scans an input string for double values. For each value found, places
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207 | * in a list. This method regards any characters not part of a floating
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208 | * point value to be seperators. Thus this will parse whitespace seperated,
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209 | * comma seperated, and many other separation schemes correctly.
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210 | */
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211 | public synchronized static double[] parseDoubleList(String list)
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212 | {
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213 | if (list == null) return null;
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214 |
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215 | fpMatch.reset(list);
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216 |
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217 | LinkedList doubList = new LinkedList();
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218 | while (fpMatch.find())
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219 | {
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220 | String val = fpMatch.group(1);
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221 | doubList.add(Double.valueOf(val));
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222 | }
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223 |
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224 | double[] retArr = new double[doubList.size()];
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225 | Iterator it = doubList.iterator();
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226 | int idx = 0;
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227 | while (it.hasNext())
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228 | {
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229 | retArr[idx++] = ((Double)it.next()).doubleValue();
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230 | }
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231 |
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232 | return retArr;
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233 | }
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234 |
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235 | public static float parseFloat(String val)
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236 | {
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237 | /*
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238 | if (val == null) return 0f;
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239 |
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240 | float retVal = 0f;
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241 | try
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242 | { retVal = Float.parseFloat(val); }
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243 | catch (Exception e)
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244 | {}
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245 | return retVal;
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246 | */
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247 | return findFloat(val);
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248 | }
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249 |
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250 | /**
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251 | * Searches the given string for the first floating point number it contains,
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252 | * parses and returns it.
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253 | */
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254 | public synchronized static float findFloat(String val)
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255 | {
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256 | if (val == null) return 0f;
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257 |
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258 | fpMatch.reset(val);
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259 | if (!fpMatch.find()) return 0f;
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260 |
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261 | val = fpMatch.group(1);
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262 | //System.err.println("Parsing " + val);
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263 |
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264 | float retVal = 0f;
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265 | try
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266 | {
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267 | retVal = Float.parseFloat(val);
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268 | String units = fpMatch.group(6);
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269 | if ("%".equals(units)) retVal /= 100;
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270 | }
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271 | catch (Exception e)
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272 | {}
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273 | return retVal;
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274 | }
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275 |
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276 | public synchronized static float[] parseFloatList(String list)
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277 | {
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278 | if (list == null) return null;
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279 |
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280 | fpMatch.reset(list);
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281 |
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282 | LinkedList floatList = new LinkedList();
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283 | while (fpMatch.find())
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284 | {
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285 | String val = fpMatch.group(1);
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286 | floatList.add(Float.valueOf(val));
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287 | }
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288 |
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289 | float[] retArr = new float[floatList.size()];
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290 | Iterator it = floatList.iterator();
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291 | int idx = 0;
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292 | while (it.hasNext())
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293 | {
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294 | retArr[idx++] = ((Float)it.next()).floatValue();
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295 | }
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296 |
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297 | return retArr;
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298 | }
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299 |
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300 | public static int parseInt(String val)
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301 | {
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302 | if (val == null) return 0;
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303 |
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304 | int retVal = 0;
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305 | try
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306 | { retVal = Integer.parseInt(val); }
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307 | catch (Exception e)
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308 | {}
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309 | return retVal;
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310 | }
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311 |
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312 | /**
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313 | * Searches the given string for the first integer point number it contains,
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314 | * parses and returns it.
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315 | */
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316 | public static int findInt(String val)
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317 | {
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318 | if (val == null) return 0;
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319 |
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320 | intMatch.reset(val);
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321 | if (!intMatch.find()) return 0;
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322 |
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323 | val = intMatch.group();
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324 | //System.err.println("Parsing " + val);
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325 |
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326 | int retVal = 0;
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327 | try
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328 | { retVal = Integer.parseInt(val); }
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329 | catch (Exception e)
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330 | {}
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331 | return retVal;
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332 | }
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333 |
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334 | public static int[] parseIntList(String list)
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335 | {
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336 | if (list == null) return null;
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337 |
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338 | intMatch.reset(list);
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339 |
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340 | LinkedList intList = new LinkedList();
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341 | while (intMatch.find())
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342 | {
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343 | String val = intMatch.group();
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344 | intList.add(Integer.valueOf(val));
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345 | }
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346 |
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347 | int[] retArr = new int[intList.size()];
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348 | Iterator it = intList.iterator();
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349 | int idx = 0;
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350 | while (it.hasNext())
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351 | {
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352 | retArr[idx++] = ((Integer)it.next()).intValue();
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353 | }
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354 |
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355 | return retArr;
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356 | }
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357 | /*
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358 | public static int parseHex(String val)
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359 | {
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360 | int retVal = 0;
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361 |
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362 | for (int i = 0; i < val.length(); i++)
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363 | {
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364 | retVal <<= 4;
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365 |
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366 | char ch = val.charAt(i);
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367 | if (ch >= '0' && ch <= '9')
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368 | {
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369 | retVal |= ch - '0';
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370 | }
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371 | else if (ch >= 'a' && ch <= 'z')
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372 | {
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373 | retVal |= ch - 'a' + 10;
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374 | }
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375 | else if (ch >= 'A' && ch <= 'Z')
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376 | {
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377 | retVal |= ch - 'A' + 10;
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378 | }
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379 | else throw new RuntimeException();
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380 | }
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381 |
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382 | return retVal;
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383 | }
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384 | */
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385 | /**
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386 | * The input string represents a ratio. Can either be specified as a
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387 | * double number on the range of [0.0 1.0] or as a percentage [0% 100%]
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388 | */
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389 | public static double parseRatio(String val)
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390 | {
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391 | if (val == null || val.equals("")) return 0.0;
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392 |
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393 | if (val.charAt(val.length() - 1) == '%')
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394 | {
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395 | parseDouble(val.substring(0, val.length() - 1));
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396 | }
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397 | return parseDouble(val);
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398 | }
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399 |
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400 | public static NumberWithUnits parseNumberWithUnits(String val)
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401 | {
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402 | if (val == null) return null;
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403 |
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404 | return new NumberWithUnits(val);
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405 | }
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406 | /*
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407 | public static Color parseColor(String val)
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408 | {
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409 | Color retVal = null;
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410 |
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411 | if (val.charAt(0) == '#')
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412 | {
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413 | String hexStrn = val.substring(1);
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414 |
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415 | if (hexStrn.length() == 3)
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416 | {
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417 | hexStrn = "" + hexStrn.charAt(0) + hexStrn.charAt(0) + hexStrn.charAt(1) + hexStrn.charAt(1) + hexStrn.charAt(2) + hexStrn.charAt(2);
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418 | }
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419 | int hexVal = parseHex(hexStrn);
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420 |
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421 | retVal = new Color(hexVal);
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422 | }
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423 | else
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424 | {
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425 | final Matcher rgbMatch = Pattern.compile("rgb\\((\\d+),(\\d+),(\\d+)\\)", Pattern.CASE_INSENSITIVE).matcher("");
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426 |
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427 | rgbMatch.reset(val);
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428 | if (rgbMatch.matches())
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429 | {
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430 | int r = Integer.parseInt(rgbMatch.group(1));
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431 | int g = Integer.parseInt(rgbMatch.group(2));
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432 | int b = Integer.parseInt(rgbMatch.group(3));
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433 | retVal = new Color(r, g, b);
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434 | }
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435 | else
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436 | {
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437 | Color lookupCol = ColorTable.instance().lookupColor(val);
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438 | if (lookupCol != null) retVal = lookupCol;
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439 | }
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440 | }
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441 |
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442 | return retVal;
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443 | }
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444 | */
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445 | /**
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446 | * Parses the given attribute of this tag and returns it as a String.
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447 | */
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448 | public static String getAttribString(Element ele, String name)
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449 | {
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450 | return ele.getAttribute(name);
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451 | }
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452 |
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453 | /**
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454 | * Parses the given attribute of this tag and returns it as an int.
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455 | */
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456 | public static int getAttribInt(Element ele, String name)
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457 | {
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458 | String sval = ele.getAttribute(name);
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459 | int val = 0;
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460 | try { val = Integer.parseInt(sval); } catch (Exception e) {}
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461 |
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462 | return val;
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463 | }
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464 |
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465 | /**
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466 | * Parses the given attribute of this tag as a hexadecimal encoded string and
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467 | * returns it as an int
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468 | */
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469 | public static int getAttribIntHex(Element ele, String name)
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470 | {
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471 | String sval = ele.getAttribute(name);
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472 | int val = 0;
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473 | try { val = Integer.parseInt(sval, 16); } catch (Exception e) {}
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474 |
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475 | return val;
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476 | }
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477 |
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478 | /**
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479 | * Parses the given attribute of this tag and returns it as a float
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480 | */
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481 | public static float getAttribFloat(Element ele, String name)
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482 | {
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483 | String sval = ele.getAttribute(name);
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484 | float val = 0.0f;
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485 | try { val = Float.parseFloat(sval); } catch (Exception e) {}
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486 |
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487 | return val;
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488 | }
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489 |
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490 | /**
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491 | * Parses the given attribute of this tag and returns it as a double.
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492 | */
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493 | public static double getAttribDouble(Element ele, String name)
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494 | {
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495 | String sval = ele.getAttribute(name);
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496 | double val = 0.0;
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497 | try { val = Double.parseDouble(sval); } catch (Exception e) {}
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498 |
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499 | return val;
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500 | }
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501 |
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502 | /**
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503 | * Parses the given attribute of this tag and returns it as a boolean.
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504 | * Essentially compares the lower case textual value to the string "true"
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505 | */
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506 | public static boolean getAttribBoolean(Element ele, String name)
|
---|
507 | {
|
---|
508 | String sval = ele.getAttribute(name);
|
---|
509 |
|
---|
510 | return sval.toLowerCase().equals("true");
|
---|
511 | }
|
---|
512 |
|
---|
513 | public static URL getAttribURL(Element ele, String name, URL docRoot)
|
---|
514 | {
|
---|
515 | String sval = ele.getAttribute(name);
|
---|
516 |
|
---|
517 | URL url;
|
---|
518 | try
|
---|
519 | {
|
---|
520 | return new URL(docRoot, sval);
|
---|
521 | }
|
---|
522 | catch (Exception e)
|
---|
523 | {
|
---|
524 | return null;
|
---|
525 | }
|
---|
526 | }
|
---|
527 |
|
---|
528 | /**
|
---|
529 | * Returns the first ReadableXMLElement with the given name
|
---|
530 | */
|
---|
531 | public static ReadableXMLElement getElement(Class classType, Element root, String name, URL docRoot)
|
---|
532 | {
|
---|
533 | if (root == null) return null;
|
---|
534 |
|
---|
535 | //Do not process if not a LoadableObject
|
---|
536 | if (!ReadableXMLElement.class.isAssignableFrom(classType))
|
---|
537 | {
|
---|
538 | return null;
|
---|
539 | }
|
---|
540 |
|
---|
541 | NodeList nl = root.getChildNodes();
|
---|
542 | int size = nl.getLength();
|
---|
543 | for (int i = 0; i < size; i++)
|
---|
544 | {
|
---|
545 | Node node = nl.item(i);
|
---|
546 | if (!(node instanceof Element)) continue;
|
---|
547 | Element ele = (Element)node;
|
---|
548 | if (!ele.getTagName().equals(name)) continue;
|
---|
549 |
|
---|
550 | ReadableXMLElement newObj = null;
|
---|
551 | try
|
---|
552 | {
|
---|
553 | newObj = (ReadableXMLElement)classType.newInstance();
|
---|
554 | }
|
---|
555 | catch (Exception e)
|
---|
556 | {
|
---|
557 | Logger.getLogger(SVGConst.SVG_LOGGER).log(Level.WARNING, null, e);
|
---|
558 | continue;
|
---|
559 | }
|
---|
560 | newObj.read(ele, docRoot);
|
---|
561 |
|
---|
562 | if (newObj == null) continue;
|
---|
563 |
|
---|
564 | return newObj;
|
---|
565 | }
|
---|
566 |
|
---|
567 | return null;
|
---|
568 | }
|
---|
569 |
|
---|
570 | /**
|
---|
571 | * Returns a HashMap of nodes that are children of root. All nodes will
|
---|
572 | * be of class classType and have a tag name of 'name'. 'key' is
|
---|
573 | * an attribute of tag 'name' who's string value will be used as the key
|
---|
574 | * in the HashMap
|
---|
575 | */
|
---|
576 | public static HashMap getElementHashMap(Class classType, Element root, String name, String key, URL docRoot)
|
---|
577 | {
|
---|
578 | if (root == null) return null;
|
---|
579 |
|
---|
580 | //Do not process if not a LoadableObject
|
---|
581 | if (!ReadableXMLElement.class.isAssignableFrom(classType))
|
---|
582 | {
|
---|
583 | return null;
|
---|
584 | }
|
---|
585 |
|
---|
586 | HashMap retMap = new HashMap();
|
---|
587 |
|
---|
588 | NodeList nl = root.getChildNodes();
|
---|
589 | int size = nl.getLength();
|
---|
590 | for (int i = 0; i < size; i++)
|
---|
591 | {
|
---|
592 | Node node = nl.item(i);
|
---|
593 | if (!(node instanceof Element)) continue;
|
---|
594 | Element ele = (Element)node;
|
---|
595 | if (!ele.getTagName().equals(name)) continue;
|
---|
596 |
|
---|
597 | ReadableXMLElement newObj = null;
|
---|
598 | try
|
---|
599 | {
|
---|
600 | newObj = (ReadableXMLElement)classType.newInstance();
|
---|
601 | }
|
---|
602 | catch (Exception e)
|
---|
603 | {
|
---|
604 | Logger.getLogger(SVGConst.SVG_LOGGER).log(Level.WARNING, null, e);
|
---|
605 | continue;
|
---|
606 | }
|
---|
607 | newObj.read(ele, docRoot);
|
---|
608 |
|
---|
609 | if (newObj == null) continue;
|
---|
610 |
|
---|
611 | String keyVal = getAttribString(ele, key);
|
---|
612 | retMap.put(keyVal, newObj);
|
---|
613 | }
|
---|
614 |
|
---|
615 | return retMap;
|
---|
616 | }
|
---|
617 |
|
---|
618 | public static HashSet getElementHashSet(Class classType, Element root, String name, URL docRoot)
|
---|
619 | {
|
---|
620 | if (root == null) return null;
|
---|
621 |
|
---|
622 | //Do not process if not a LoadableObject
|
---|
623 | if (!ReadableXMLElement.class.isAssignableFrom(classType))
|
---|
624 | {
|
---|
625 | return null;
|
---|
626 | }
|
---|
627 |
|
---|
628 | HashSet retSet = new HashSet();
|
---|
629 |
|
---|
630 | NodeList nl = root.getChildNodes();
|
---|
631 | int size = nl.getLength();
|
---|
632 | for (int i = 0; i < size; i++)
|
---|
633 | {
|
---|
634 | Node node = nl.item(i);
|
---|
635 | if (!(node instanceof Element)) continue;
|
---|
636 | Element ele = (Element)node;
|
---|
637 | if (!ele.getTagName().equals(name)) continue;
|
---|
638 |
|
---|
639 | ReadableXMLElement newObj = null;
|
---|
640 | try
|
---|
641 | {
|
---|
642 | newObj = (ReadableXMLElement)classType.newInstance();
|
---|
643 | }
|
---|
644 | catch (Exception e)
|
---|
645 | {
|
---|
646 | Logger.getLogger(SVGConst.SVG_LOGGER).log(Level.WARNING, null, e);
|
---|
647 | continue;
|
---|
648 | }
|
---|
649 | newObj.read(ele, docRoot);
|
---|
650 |
|
---|
651 | if (newObj == null)
|
---|
652 | {
|
---|
653 | continue;
|
---|
654 | }
|
---|
655 |
|
---|
656 | retSet.add(newObj);
|
---|
657 | }
|
---|
658 |
|
---|
659 | return retSet;
|
---|
660 | }
|
---|
661 |
|
---|
662 |
|
---|
663 | public static LinkedList getElementLinkedList(Class classType, Element root, String name, URL docRoot)
|
---|
664 | {
|
---|
665 | if (root == null) return null;
|
---|
666 |
|
---|
667 | //Do not process if not a LoadableObject
|
---|
668 | if (!ReadableXMLElement.class.isAssignableFrom(classType))
|
---|
669 | {
|
---|
670 | return null;
|
---|
671 | }
|
---|
672 |
|
---|
673 | NodeList nl = root.getChildNodes();
|
---|
674 | LinkedList elementCache = new LinkedList();
|
---|
675 | int size = nl.getLength();
|
---|
676 | for (int i = 0; i < size; i++)
|
---|
677 | {
|
---|
678 | Node node = nl.item(i);
|
---|
679 | if (!(node instanceof Element)) continue;
|
---|
680 | Element ele = (Element)node;
|
---|
681 | if (!ele.getTagName().equals(name)) continue;
|
---|
682 |
|
---|
683 | ReadableXMLElement newObj = null;
|
---|
684 | try
|
---|
685 | {
|
---|
686 | newObj = (ReadableXMLElement)classType.newInstance();
|
---|
687 | }
|
---|
688 | catch (Exception e)
|
---|
689 | {
|
---|
690 | Logger.getLogger(SVGConst.SVG_LOGGER).log(Level.WARNING, null, e);
|
---|
691 | continue;
|
---|
692 | }
|
---|
693 | newObj.read(ele, docRoot);
|
---|
694 |
|
---|
695 | elementCache.addLast(newObj);
|
---|
696 | }
|
---|
697 |
|
---|
698 | return elementCache;
|
---|
699 | }
|
---|
700 |
|
---|
701 | public static Object[] getElementArray(Class classType, Element root, String name, URL docRoot)
|
---|
702 | {
|
---|
703 | if (root == null) return null;
|
---|
704 |
|
---|
705 | //Do not process if not a LoadableObject
|
---|
706 | if (!ReadableXMLElement.class.isAssignableFrom(classType))
|
---|
707 | {
|
---|
708 | return null;
|
---|
709 | }
|
---|
710 |
|
---|
711 | LinkedList elementCache = getElementLinkedList(classType, root, name, docRoot);
|
---|
712 |
|
---|
713 | Object[] retArr = (Object[])Array.newInstance(classType, elementCache.size());
|
---|
714 | return elementCache.toArray(retArr);
|
---|
715 | }
|
---|
716 |
|
---|
717 | /**
|
---|
718 | * Takes a number of tags of name 'name' that are children of 'root', and
|
---|
719 | * looks for attributes of 'attrib' on them. Converts attributes to an
|
---|
720 | * int and returns in an array.
|
---|
721 | */
|
---|
722 | public static int[] getElementArrayInt(Element root, String name, String attrib)
|
---|
723 | {
|
---|
724 | if (root == null) return null;
|
---|
725 |
|
---|
726 | NodeList nl = root.getChildNodes();
|
---|
727 | LinkedList elementCache = new LinkedList();
|
---|
728 | int size = nl.getLength();
|
---|
729 |
|
---|
730 | for (int i = 0; i < size; i++)
|
---|
731 | {
|
---|
732 | Node node = nl.item(i);
|
---|
733 | if (!(node instanceof Element)) continue;
|
---|
734 | Element ele = (Element)node;
|
---|
735 | if (!ele.getTagName().equals(name)) continue;
|
---|
736 |
|
---|
737 | String valS = ele.getAttribute(attrib);
|
---|
738 | int eleVal = 0;
|
---|
739 | try { eleVal = Integer.parseInt(valS); }
|
---|
740 | catch (Exception e) {}
|
---|
741 |
|
---|
742 | elementCache.addLast(new Integer(eleVal));
|
---|
743 | }
|
---|
744 |
|
---|
745 | int[] retArr = new int[elementCache.size()];
|
---|
746 | Iterator it = elementCache.iterator();
|
---|
747 | int idx = 0;
|
---|
748 | while (it.hasNext())
|
---|
749 | {
|
---|
750 | retArr[idx++] = ((Integer)it.next()).intValue();
|
---|
751 | }
|
---|
752 |
|
---|
753 | return retArr;
|
---|
754 | }
|
---|
755 |
|
---|
756 | /**
|
---|
757 | * Takes a number of tags of name 'name' that are children of 'root', and
|
---|
758 | * looks for attributes of 'attrib' on them. Converts attributes to an
|
---|
759 | * int and returns in an array.
|
---|
760 | */
|
---|
761 | public static String[] getElementArrayString(Element root, String name, String attrib)
|
---|
762 | {
|
---|
763 | if (root == null) return null;
|
---|
764 |
|
---|
765 | NodeList nl = root.getChildNodes();
|
---|
766 | LinkedList elementCache = new LinkedList();
|
---|
767 | int size = nl.getLength();
|
---|
768 |
|
---|
769 | for (int i = 0; i < size; i++)
|
---|
770 | {
|
---|
771 | Node node = nl.item(i);
|
---|
772 | if (!(node instanceof Element)) continue;
|
---|
773 | Element ele = (Element)node;
|
---|
774 | if (!ele.getTagName().equals(name)) continue;
|
---|
775 |
|
---|
776 | String valS = ele.getAttribute(attrib);
|
---|
777 |
|
---|
778 | elementCache.addLast(valS);
|
---|
779 | }
|
---|
780 |
|
---|
781 | String[] retArr = new String[elementCache.size()];
|
---|
782 | Iterator it = elementCache.iterator();
|
---|
783 | int idx = 0;
|
---|
784 | while (it.hasNext())
|
---|
785 | {
|
---|
786 | retArr[idx++] = (String)it.next();
|
---|
787 | }
|
---|
788 |
|
---|
789 | return retArr;
|
---|
790 | }
|
---|
791 |
|
---|
792 | /**
|
---|
793 | * Takes a CSS style string and retursn a hash of them.
|
---|
794 | * @param styleString - A CSS formatted string of styles. Eg,
|
---|
795 | * "font-size:12;fill:#d32c27;fill-rule:evenodd;stroke-width:1pt;"
|
---|
796 | */
|
---|
797 | public static HashMap parseStyle(String styleString) {
|
---|
798 | return parseStyle(styleString, new HashMap());
|
---|
799 | }
|
---|
800 |
|
---|
801 | /**
|
---|
802 | * Takes a CSS style string and returns a hash of them.
|
---|
803 | * @param styleString - A CSS formatted string of styles. Eg,
|
---|
804 | * "font-size:12;fill:#d32c27;fill-rule:evenodd;stroke-width:1pt;"
|
---|
805 | * @param map - A map to which these styles will be added
|
---|
806 | */
|
---|
807 | public static HashMap parseStyle(String styleString, HashMap map) {
|
---|
808 | final Pattern patSemi = Pattern.compile(";");
|
---|
809 |
|
---|
810 | String[] styles = patSemi.split(styleString);
|
---|
811 |
|
---|
812 | for (int i = 0; i < styles.length; i++)
|
---|
813 | {
|
---|
814 | if (styles[i].length() == 0)
|
---|
815 | {
|
---|
816 | continue;
|
---|
817 | }
|
---|
818 |
|
---|
819 | int colon = styles[i].indexOf(':');
|
---|
820 | if (colon == -1)
|
---|
821 | {
|
---|
822 | continue;
|
---|
823 | }
|
---|
824 |
|
---|
825 | String key = styles[i].substring(0, colon).trim();
|
---|
826 | String value = styles[i].substring(colon + 1).trim();
|
---|
827 |
|
---|
828 | map.put(key, new StyleAttribute(key, value));
|
---|
829 | }
|
---|
830 |
|
---|
831 | return map;
|
---|
832 | }
|
---|
833 | }
|
---|