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1 /* |
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2 * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. Oracle designates this |
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8 * particular file as subject to the "Classpath" exception as provided |
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9 * by Oracle in the LICENSE file that accompanied this code. |
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10 * |
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11 * This code is distributed in the hope that it will be useful, but WITHOUT |
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 * version 2 for more details (a copy is included in the LICENSE file that |
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15 * accompanied this code). |
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16 * |
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17 * You should have received a copy of the GNU General Public License version |
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18 * 2 along with this work; if not, write to the Free Software Foundation, |
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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20 * |
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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22 * or visit www.oracle.com if you need additional information or have any |
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23 * questions. |
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24 */ |
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25 |
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26 package com.sun.xml.internal.bind.v2.runtime.output; |
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27 |
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28 import java.io.IOException; |
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29 |
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30 import javax.xml.stream.XMLStreamException; |
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31 |
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32 import com.sun.xml.internal.bind.util.AttributesImpl; |
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33 import com.sun.xml.internal.bind.v2.runtime.XMLSerializer; |
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34 |
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35 import org.xml.sax.ContentHandler; |
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36 import org.xml.sax.SAXException; |
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37 import org.xml.sax.helpers.LocatorImpl; |
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38 |
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39 /** |
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40 * {@link XmlOutput} implementation that writes to SAX {@link ContentHandler}. |
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41 * |
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42 * @author Kohsuke Kawaguchi |
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43 */ |
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44 public class SAXOutput extends XmlOutputAbstractImpl { |
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45 protected final ContentHandler out; |
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46 |
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47 public SAXOutput(ContentHandler out) { |
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48 this.out = out; |
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49 out.setDocumentLocator(new LocatorImpl()); |
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50 } |
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51 |
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52 private String elementNsUri,elementLocalName,elementQName; |
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53 |
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54 private char[] buf = new char[256]; |
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55 |
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56 private final AttributesImpl atts = new AttributesImpl(); |
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57 |
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58 |
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59 // not called if we are generating fragments |
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60 @Override |
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61 public void startDocument(XMLSerializer serializer, boolean fragment, int[] nsUriIndex2prefixIndex, NamespaceContextImpl nsContext) throws SAXException, IOException, XMLStreamException { |
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62 super.startDocument(serializer, fragment,nsUriIndex2prefixIndex,nsContext); |
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63 if(!fragment) |
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64 out.startDocument(); |
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65 } |
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66 |
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67 public void endDocument(boolean fragment) throws SAXException, IOException, XMLStreamException { |
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68 if(!fragment) |
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69 out.endDocument(); |
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70 super.endDocument(fragment); |
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71 } |
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72 |
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73 public void beginStartTag(int prefix, String localName) { |
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74 elementNsUri = nsContext.getNamespaceURI(prefix); |
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75 elementLocalName = localName; |
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76 elementQName = getQName(prefix,localName); |
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77 atts.clear(); |
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78 } |
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79 |
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80 public void attribute(int prefix, String localName, String value) { |
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81 String qname; |
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82 String nsUri; |
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83 if(prefix==-1) { |
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84 nsUri = ""; |
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85 qname = localName; |
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86 } else { |
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87 nsUri = nsContext.getNamespaceURI(prefix); |
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88 String p = nsContext.getPrefix(prefix); |
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89 if(p.length()==0) |
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90 // this is more likely a bug in the application code (NamespacePrefixMapper implementation) |
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91 // this only happens when it tries to assign "" prefix to a non-"" URI, |
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92 // which is by itself violation of namespace rec. But let's just be safe. |
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93 // See http://forums.java.net/jive/thread.jspa?messageID=212598#212598 |
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94 qname = localName; |
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95 else |
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96 qname = p +':'+localName; |
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97 } |
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98 atts.addAttribute( nsUri, localName, qname, "CDATA", value ); |
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99 } |
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100 |
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101 public void endStartTag() throws SAXException { |
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102 NamespaceContextImpl.Element ns = nsContext.getCurrent(); |
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103 if(ns!=null) { |
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104 int sz = ns.count(); |
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105 for( int i=0; i<sz; i++ ) { |
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106 String p = ns.getPrefix(i); |
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107 String uri = ns.getNsUri(i); |
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108 if(uri.length()==0 && ns.getBase()==1) |
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109 continue; // no point in defining xmlns='' on the root |
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110 out.startPrefixMapping(p,uri); |
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111 } |
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112 } |
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113 out.startElement(elementNsUri,elementLocalName,elementQName,atts); |
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114 } |
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115 |
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116 public void endTag(int prefix, String localName) throws SAXException { |
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117 out.endElement( |
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118 nsContext.getNamespaceURI(prefix), |
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119 localName, |
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120 getQName(prefix, localName) |
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121 ); |
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122 |
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123 NamespaceContextImpl.Element ns = nsContext.getCurrent(); |
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124 if(ns!=null) { |
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125 int sz = ns.count(); |
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126 for( int i=sz-1; i>=0; i-- ) { |
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127 String p = ns.getPrefix(i); |
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128 String uri = ns.getNsUri(i); |
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129 if(uri.length()==0 && ns.getBase()==1) |
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130 continue; // no point in definint xmlns='' on the root |
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131 out.endPrefixMapping(p); |
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132 } |
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133 } |
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134 } |
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135 |
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136 private String getQName(int prefix, String localName) { |
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137 String qname; |
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138 String p = nsContext.getPrefix(prefix); |
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139 if(p.length()==0) |
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140 qname = localName; |
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141 else |
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142 qname = p+':'+localName; |
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143 return qname; |
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144 } |
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145 |
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146 public void text(String value, boolean needsSP) throws IOException, SAXException, XMLStreamException { |
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147 int vlen = value.length(); |
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148 if(buf.length<=vlen) { |
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149 buf = new char[Math.max(buf.length*2,vlen+1)]; |
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150 } |
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151 if(needsSP) { |
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152 value.getChars(0,vlen,buf,1); |
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153 buf[0] = ' '; |
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154 } else { |
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155 value.getChars(0,vlen,buf,0); |
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156 } |
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157 out.characters(buf,0,vlen+(needsSP?1:0)); |
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158 } |
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159 |
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160 public void text(Pcdata value, boolean needsSP) throws IOException, SAXException, XMLStreamException { |
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161 int vlen = value.length(); |
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162 if(buf.length<=vlen) { |
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163 buf = new char[Math.max(buf.length*2,vlen+1)]; |
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164 } |
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165 if(needsSP) { |
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166 value.writeTo(buf,1); |
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167 buf[0] = ' '; |
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168 } else { |
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169 value.writeTo(buf,0); |
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170 } |
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171 out.characters(buf,0,vlen+(needsSP?1:0)); |
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172 } |
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173 } |