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1 /* |
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2 * reserved comment block |
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3 * DO NOT REMOVE OR ALTER! |
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4 */ |
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5 /* |
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6 * Copyright 2001-2004 The Apache Software Foundation. |
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7 * |
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8 * Licensed under the Apache License, Version 2.0 (the "License"); |
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9 * you may not use this file except in compliance with the License. |
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10 * You may obtain a copy of the License at |
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11 * |
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12 * http://www.apache.org/licenses/LICENSE-2.0 |
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13 * |
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14 * Unless required by applicable law or agreed to in writing, software |
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15 * distributed under the License is distributed on an "AS IS" BASIS, |
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16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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17 * See the License for the specific language governing permissions and |
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18 * limitations under the License. |
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19 */ |
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20 /* |
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21 * $Id: Util.java,v 1.2.4.1 2005/09/14 09:37:34 pvedula Exp $ |
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22 */ |
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23 |
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24 package com.sun.org.apache.xalan.internal.xsltc.trax; |
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25 |
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26 import java.io.InputStream; |
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27 import java.io.Reader; |
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28 |
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29 import javax.xml.XMLConstants; |
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30 import javax.xml.parsers.ParserConfigurationException; |
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31 import javax.xml.parsers.SAXParser; |
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32 import javax.xml.parsers.SAXParserFactory; |
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33 |
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34 import javax.xml.stream.XMLEventReader; |
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35 import javax.xml.stream.XMLStreamReader; |
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36 |
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37 import javax.xml.transform.Source; |
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38 import javax.xml.transform.TransformerConfigurationException; |
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39 import javax.xml.transform.dom.DOMSource; |
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40 import javax.xml.transform.sax.SAXSource; |
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41 import javax.xml.transform.stax.StAXResult; |
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42 import javax.xml.transform.stax.StAXSource; |
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43 import javax.xml.transform.stream.StreamSource; |
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44 |
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45 import com.sun.org.apache.xalan.internal.xsltc.compiler.XSLTC; |
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46 import com.sun.org.apache.xalan.internal.xsltc.compiler.util.ErrorMsg; |
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47 |
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48 import org.w3c.dom.Document; |
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49 |
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50 import org.xml.sax.InputSource; |
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51 import org.xml.sax.SAXException; |
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52 import org.xml.sax.SAXNotRecognizedException; |
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53 import org.xml.sax.SAXNotSupportedException; |
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54 import org.xml.sax.XMLReader; |
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55 import org.xml.sax.helpers.XMLReaderFactory; |
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56 |
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57 /** |
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58 * @author Santiago Pericas-Geertsen |
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59 */ |
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60 public final class Util { |
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61 |
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62 public static String baseName(String name) { |
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63 return com.sun.org.apache.xalan.internal.xsltc.compiler.util.Util.baseName(name); |
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64 } |
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65 |
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66 public static String noExtName(String name) { |
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67 return com.sun.org.apache.xalan.internal.xsltc.compiler.util.Util.noExtName(name); |
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68 } |
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69 |
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70 public static String toJavaName(String name) { |
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71 return com.sun.org.apache.xalan.internal.xsltc.compiler.util.Util.toJavaName(name); |
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72 } |
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73 |
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74 |
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75 |
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76 |
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77 /** |
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78 * Creates a SAX2 InputSource object from a TrAX Source object |
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79 */ |
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80 public static InputSource getInputSource(XSLTC xsltc, Source source) |
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81 throws TransformerConfigurationException |
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82 { |
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83 InputSource input = null; |
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84 |
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85 String systemId = source.getSystemId(); |
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86 |
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87 try { |
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88 // Try to get InputSource from SAXSource input |
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89 if (source instanceof SAXSource) { |
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90 final SAXSource sax = (SAXSource)source; |
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91 input = sax.getInputSource(); |
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92 // Pass the SAX parser to the compiler |
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93 try { |
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94 XMLReader reader = sax.getXMLReader(); |
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95 |
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96 /* |
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97 * Fix for bug 24695 |
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98 * According to JAXP 1.2 specification if a SAXSource |
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99 * is created using a SAX InputSource the Transformer or |
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100 * TransformerFactory creates a reader via the |
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101 * XMLReaderFactory if setXMLReader is not used |
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102 */ |
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103 |
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104 if (reader == null) { |
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105 try { |
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106 reader= XMLReaderFactory.createXMLReader(); |
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107 } catch (Exception e ) { |
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108 try { |
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109 |
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110 //Incase there is an exception thrown |
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111 // resort to JAXP |
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112 SAXParserFactory parserFactory = |
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113 SAXParserFactory.newInstance(); |
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114 parserFactory.setNamespaceAware(true); |
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115 |
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116 if (xsltc.isSecureProcessing()) { |
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117 try { |
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118 parserFactory.setFeature( |
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119 XMLConstants.FEATURE_SECURE_PROCESSING, true); |
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120 } |
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121 catch (org.xml.sax.SAXException se) {} |
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122 } |
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123 |
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124 reader = parserFactory.newSAXParser() |
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125 .getXMLReader(); |
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126 |
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127 |
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128 } catch (ParserConfigurationException pce ) { |
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129 throw new TransformerConfigurationException |
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130 ("ParserConfigurationException" ,pce); |
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131 } |
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132 } |
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133 } |
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134 reader.setFeature |
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135 ("http://xml.org/sax/features/namespaces",true); |
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136 reader.setFeature |
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137 ("http://xml.org/sax/features/namespace-prefixes",false); |
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138 |
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139 xsltc.setXMLReader(reader); |
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140 }catch (SAXNotRecognizedException snre ) { |
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141 throw new TransformerConfigurationException |
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142 ("SAXNotRecognizedException ",snre); |
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143 }catch (SAXNotSupportedException snse ) { |
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144 throw new TransformerConfigurationException |
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145 ("SAXNotSupportedException ",snse); |
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146 }catch (SAXException se ) { |
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147 throw new TransformerConfigurationException |
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148 ("SAXException ",se); |
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149 } |
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150 |
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151 } |
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152 // handle DOMSource |
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153 else if (source instanceof DOMSource) { |
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154 final DOMSource domsrc = (DOMSource)source; |
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155 final Document dom = (Document)domsrc.getNode(); |
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156 final DOM2SAX dom2sax = new DOM2SAX(dom); |
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157 xsltc.setXMLReader(dom2sax); |
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158 |
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159 // Try to get SAX InputSource from DOM Source. |
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160 input = SAXSource.sourceToInputSource(source); |
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161 if (input == null){ |
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162 input = new InputSource(domsrc.getSystemId()); |
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163 } |
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164 } |
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165 |
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166 // handle StAXSource |
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167 else if (source instanceof StAXSource) { |
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168 final StAXSource staxSource = (StAXSource)source; |
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169 StAXEvent2SAX staxevent2sax = null; |
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170 StAXStream2SAX staxStream2SAX = null; |
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171 if (staxSource.getXMLEventReader() != null) { |
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172 final XMLEventReader xmlEventReader = staxSource.getXMLEventReader(); |
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173 staxevent2sax = new StAXEvent2SAX(xmlEventReader); |
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174 xsltc.setXMLReader(staxevent2sax); |
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175 } else if (staxSource.getXMLStreamReader() != null) { |
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176 final XMLStreamReader xmlStreamReader = staxSource.getXMLStreamReader(); |
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177 staxStream2SAX = new StAXStream2SAX(xmlStreamReader); |
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178 xsltc.setXMLReader(staxStream2SAX); |
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179 } |
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180 |
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181 // get sax InputSource from StAXSource |
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182 input = SAXSource.sourceToInputSource(source); |
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183 if (input == null){ |
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184 input = new InputSource(staxSource.getSystemId()); |
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185 } |
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186 } |
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187 |
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188 // Try to get InputStream or Reader from StreamSource |
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189 else if (source instanceof StreamSource) { |
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190 final StreamSource stream = (StreamSource)source; |
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191 final InputStream istream = stream.getInputStream(); |
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192 final Reader reader = stream.getReader(); |
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193 xsltc.setXMLReader(null); // Clear old XML reader |
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194 |
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195 // Create InputSource from Reader or InputStream in Source |
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196 if (istream != null) { |
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197 input = new InputSource(istream); |
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198 } |
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199 else if (reader != null) { |
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200 input = new InputSource(reader); |
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201 } |
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202 else { |
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203 input = new InputSource(systemId); |
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204 } |
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205 } |
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206 else { |
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207 ErrorMsg err = new ErrorMsg(ErrorMsg.JAXP_UNKNOWN_SOURCE_ERR); |
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208 throw new TransformerConfigurationException(err.toString()); |
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209 } |
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210 input.setSystemId(systemId); |
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211 } |
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212 catch (NullPointerException e) { |
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213 ErrorMsg err = new ErrorMsg(ErrorMsg.JAXP_NO_SOURCE_ERR, |
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214 "TransformerFactory.newTemplates()"); |
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215 throw new TransformerConfigurationException(err.toString()); |
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216 } |
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217 catch (SecurityException e) { |
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218 ErrorMsg err = new ErrorMsg(ErrorMsg.FILE_ACCESS_ERR, systemId); |
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219 throw new TransformerConfigurationException(err.toString()); |
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220 } |
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221 return input; |
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222 } |
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223 |
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224 } |