org.simantics.xml.sax.base/src/org/simantics/xml/sax/base/IndentingXMLStreamWriter.java

   1 package org.simantics.xml.sax.base;\r
   2 \r
   3 import javax.xml.namespace.NamespaceContext;\r
   4 import javax.xml.stream.XMLStreamException;\r
   5 import javax.xml.stream.XMLStreamWriter;\r
   6 \r
   7 /**\r
   8  * Rather dummy indenting XML Stream Writer.\r
   9  * \r
  10  * @author Marko Luukkainen <marko.luukkainen@vtt.fi>\r
  11  *\r
  12  */\r
  13 public class IndentingXMLStreamWriter implements XMLStreamWriter{\r
  14         \r
  15         XMLStreamWriter delegate;\r
  16         int depth = 0;\r
  17         boolean indent = true;\r
  18         \r
  19         public IndentingXMLStreamWriter(XMLStreamWriter delegate) {\r
  20                 this.delegate = delegate;\r
  21         }\r
  22         \r
  23         @Override\r
  24         public void close() throws XMLStreamException {\r
  25                 delegate.close();\r
  26         }\r
  27         \r
  28         @Override\r
  29         public void flush() throws XMLStreamException {\r
  30                 delegate.close();\r
  31         }\r
  32         \r
  33         @Override\r
  34         public NamespaceContext getNamespaceContext() {\r
  35                 return delegate.getNamespaceContext();\r
  36         }\r
  37         \r
  38         @Override\r
  39         public String getPrefix(String uri) throws XMLStreamException {\r
  40                 return delegate.getPrefix(uri);\r
  41         }\r
  42         \r
  43         @Override\r
  44         public Object getProperty(String name) throws IllegalArgumentException {\r
  45                 return delegate.getProperty(name);\r
  46         }\r
  47         \r
  48         @Override\r
  49         public void setDefaultNamespace(String uri) throws XMLStreamException {\r
  50                 delegate.setDefaultNamespace(uri);\r
  51         }\r
  52         \r
  53         @Override\r
  54         public void setPrefix(String prefix, String uri) throws XMLStreamException {\r
  55                 delegate.setPrefix(prefix, uri);\r
  56         }\r
  57         \r
  58         private String getIdent() {\r
  59                 String s = "\n";\r
  60                 for (int i = 0; i < depth; i++)\r
  61                         s += "  ";\r
  62                 return s;\r
  63         }\r
  64 \r
  65         @Override\r
  66         public void writeStartElement(String localName) throws XMLStreamException {\r
  67                 if(indent)\r
  68                 delegate.writeCharacters(getIdent());\r
  69                 delegate.writeStartElement(localName);\r
  70                 depth++;\r
  71                 indent = true;\r
  72         }\r
  73 \r
  74         @Override\r
  75         public void writeStartElement(String namespaceURI, String localName) throws XMLStreamException {\r
  76                 if (indent)\r
  77                 delegate.writeCharacters(getIdent());\r
  78                 delegate.writeStartElement(namespaceURI, localName);\r
  79                 depth++;\r
  80                 indent = true;\r
  81         }\r
  82 \r
  83         @Override\r
  84         public void writeStartElement(String prefix, String localName, String namespaceURI) throws XMLStreamException {\r
  85                 if (indent)\r
  86                 delegate.writeCharacters(getIdent());\r
  87                 delegate.writeStartElement(prefix, localName, namespaceURI);\r
  88                 depth++;\r
  89                 indent = true;\r
  90         }\r
  91 \r
  92         @Override\r
  93         public void writeStartDocument() throws XMLStreamException {\r
  94                 delegate.writeStartDocument();\r
  95                 depth++;\r
  96                 indent = true;\r
  97         }\r
  98 \r
  99         @Override\r
 100         public void writeStartDocument(String version) throws XMLStreamException {\r
 101                 delegate.writeStartDocument(version);\r
 102                 depth++;\r
 103                 indent = true;\r
 104         }\r
 105 \r
 106         @Override\r
 107         public void writeStartDocument(String encoding, String version) throws XMLStreamException {\r
 108                 delegate.writeStartDocument(encoding, version);\r
 109                 depth++;\r
 110                 indent = true;\r
 111         }\r
 112 \r
 113         @Override\r
 114         public void writeEndElement() throws XMLStreamException {\r
 115                 depth--;\r
 116                 if(indent)\r
 117                 delegate.writeCharacters(getIdent());\r
 118                 delegate.writeEndElement();\r
 119                 indent = true;\r
 120         }\r
 121         \r
 122         @Override\r
 123         public void writeEndDocument() throws XMLStreamException {\r
 124                 depth--;\r
 125                 if (indent)\r
 126                 delegate.writeCharacters(getIdent());\r
 127                 delegate.writeEndDocument();\r
 128                 indent = true;\r
 129         }\r
 130         \r
 131         @Override\r
 132         public void writeEmptyElement(String namespaceURI, String localName) throws XMLStreamException {\r
 133                 delegate.writeEmptyElement(namespaceURI, localName);\r
 134                 indent = true;\r
 135         }\r
 136 \r
 137         @Override\r
 138         public void writeEmptyElement(String prefix, String localName, String namespaceURI) throws XMLStreamException {\r
 139                 delegate.writeEmptyElement(prefix, localName, namespaceURI);\r
 140                 indent = true;\r
 141         }\r
 142 \r
 143         @Override\r
 144         public void writeEmptyElement(String localName) throws XMLStreamException {\r
 145                 delegate.writeEmptyElement(localName);\r
 146                 indent = true;\r
 147         }\r
 148 \r
 149         @Override\r
 150         public void writeAttribute(String localName, String value) throws XMLStreamException {\r
 151                 delegate.writeAttribute( localName, value);\r
 152         }\r
 153 \r
 154         @Override\r
 155         public void writeAttribute(String prefix, String namespaceURI, String localName, String value)\r
 156                         throws XMLStreamException {\r
 157                 delegate.writeAttribute(prefix, namespaceURI, localName, value);\r
 158         }\r
 159 \r
 160         @Override\r
 161         public void writeAttribute(String namespaceURI, String localName, String value) throws XMLStreamException {\r
 162                 delegate.writeAttribute(namespaceURI, localName, value);\r
 163         }\r
 164 \r
 165         @Override\r
 166         public void writeNamespace(String prefix, String namespaceURI) throws XMLStreamException {\r
 167                 delegate.writeNamespace(prefix, namespaceURI);  \r
 168         }\r
 169 \r
 170         @Override\r
 171         public void writeDefaultNamespace(String namespaceURI) throws XMLStreamException {\r
 172                 delegate.writeDefaultNamespace(namespaceURI);\r
 173         }\r
 174 \r
 175         @Override\r
 176         public void writeComment(String data) throws XMLStreamException {\r
 177                 delegate.writeComment(data);    \r
 178         }\r
 179 \r
 180         @Override\r
 181         public void writeProcessingInstruction(String target) throws XMLStreamException {\r
 182                 delegate.writeProcessingInstruction(target);\r
 183         }\r
 184 \r
 185         @Override\r
 186         public void writeProcessingInstruction(String target, String data) throws XMLStreamException {\r
 187                 delegate.writeProcessingInstruction(target, data);\r
 188         }\r
 189 \r
 190         @Override\r
 191         public void writeCData(String data) throws XMLStreamException {\r
 192                 delegate.writeCData(data);\r
 193         }\r
 194 \r
 195         @Override\r
 196         public void writeDTD(String dtd) throws XMLStreamException {\r
 197                 delegate.writeDTD(dtd); \r
 198         }\r
 199 \r
 200         @Override\r
 201         public void writeEntityRef(String name) throws XMLStreamException {\r
 202                 delegate.writeEntityRef(name);\r
 203         }\r
 204 \r
 205         \r
 206 \r
 207         @Override\r
 208         public void writeCharacters(String text) throws XMLStreamException {\r
 209                 delegate.writeCharacters(text);\r
 210                 indent=false;\r
 211         }\r
 212 \r
 213         @Override\r
 214         public void writeCharacters(char[] text, int start, int len) throws XMLStreamException {\r
 215                 delegate.writeCharacters(text, start, len);\r
 216                 indent=false;\r
 217         }\r
 218 \r
 219         @Override\r
 220         public void setNamespaceContext(NamespaceContext context) throws XMLStreamException {\r
 221                 delegate.setNamespaceContext(context);\r
 222         }\r
 223         \r
 224 \r
 225 }\r