dol/src/dol/parser/xml/archischema/ArchiXmlParser.java

   1 /* $Id: ArchiXmlParser.java 1 2010-02-24 13:03:05Z haidw $ */\r
   2 package dol.parser.xml.archischema;\r
   3 \r
   4 import java.util.Stack;\r
   5 \r
   6 import org.xml.sax.Attributes;\r
   7 import org.xml.sax.InputSource;\r
   8 import org.xml.sax.SAXException;\r
   9 import org.xml.sax.SAXParseException;\r
  10 \r
  11 import dol.datamodel.XmlTag;\r
  12 import dol.datamodel.architecture.Architecture;\r
  13 import dol.parser.xml.XmlParser;\r
  14 \r
  15 /**\r
  16  * Parse architecture XML file.\r
  17  */\r
  18 public class ArchiXmlParser extends XmlParser {\r
  19 \r
  20     /**\r
  21      * Constructor.\r
  22      */\r
  23     public ArchiXmlParser() {\r
  24         super();\r
  25         _stack = new Stack<Object>();\r
  26         _xml2Archi = new Xml2Archi();\r
  27     }\r
  28 \r
  29     /**\r
  30      * Do the parsing of an XML file describing an architecture.\r
  31      *\r
  32      * @param url The input XML file\r
  33      * @return the architecture\r
  34      */\r
  35     public Architecture doParse(String url)  {\r
  36         Architecture architecture = null;\r
  37         System.out.println("Read architecture from XML file");\r
  38 \r
  39         try {\r
  40             String uri = _makeAbsoluteURL(url);\r
  41             _ui.printlnVerbose("-- processing XML file: " + uri);\r
  42             _ui.printlnVerbose("-- read XML file: ");\r
  43             _stack.clear();\r
  44             _parser.parse(new InputSource(uri));\r
  45             architecture = (Architecture) _stack.pop();\r
  46             _ui.printlnVerbose(" [DONE] ");\r
  47         } catch (SAXParseException err) {\r
  48             System.out.println("** Parsing error, line "\r
  49                 + err.getLineNumber() + ", uri " + err.getSystemId());\r
  50             System.out.println("   " + err.getMessage());\r
  51         } catch (SAXException e) {\r
  52             e.printStackTrace();\r
  53         } catch (Throwable t) {\r
  54             t.printStackTrace();\r
  55         }\r
  56 \r
  57         architecture.computePaths();\r
  58 \r
  59         System.out.println(" -- Architecture model from XML "\r
  60                 + "[Finished]");\r
  61         System.out.println();\r
  62 \r
  63         return architecture;\r
  64     }\r
  65 \r
  66     /**\r
  67      * Action to be done while parsing a start element of an XML.\r
  68      *\r
  69      * @param elementName Description of the Parameter\r
  70      * @param attributes Description of the Parameter\r
  71      * @exception  SAXException MyException If such and such occurs\r
  72      */\r
  73     public void startElement(String namespaceURI, String localName,\r
  74             String elementName, Attributes attributes)\r
  75             throws SAXException {\r
  76         Object val = null;\r
  77 \r
  78         if (elementName.equals(_xt.getArchiTag())) {\r
  79             val = _xml2Archi.processArchitecture(attributes);\r
  80         } else if (elementName.equals(_xt.getVariableTag())) {\r
  81             val = _xml2Archi.processVariable(attributes);\r
  82         } else if (elementName.equals(_xt.getProcessorTag())) {\r
  83             val = _xml2Archi.processProcessor(attributes);\r
  84         } else if (elementName.equals(_xt.getMemoryTag())) {\r
  85             val = _xml2Archi.processMemory(attributes);\r
  86         } else if (elementName.equals(_xt.getHWChannelTag())) {\r
  87             val = _xml2Archi.processHWChannel(attributes);\r
  88         } else if (elementName.equals(_xt.getConfigurationTag())) {\r
  89             val = _xml2Archi.processConfiguration(attributes);\r
  90         // simplified architecture\r
  91         } else if (elementName.equals(_xt.getConnectionTag())) {\r
  92             val = _xml2Archi.processConnection(attributes);\r
  93         } else if (elementName.equals(_xt.getOriginTag())) {\r
  94             val = _xml2Archi.processOrigin(attributes);\r
  95         } else if (elementName.equals(_xt.getTargetTag())) {\r
  96             val = _xml2Archi.processTarget(attributes);\r
  97         } else if (elementName.equals(_xt.getNodeTag())) {\r
  98             val = _xml2Archi.processNode(attributes);\r
  99         } else if (elementName.equals(_xt.getPortTag())) {\r
 100             val = _xml2Archi.processPort(attributes);\r
 101         } else if (elementName.equals(_xt.getInPortTag())) {\r
 102             val = _xml2Archi.processInputPort(attributes);\r
 103         } else if (elementName.equals(_xt.getOutPortTag())) {\r
 104             val = _xml2Archi.processOutputPort(attributes);\r
 105         } else if (elementName.equals(_xt.getDuplexPortTag())) {\r
 106             val = _xml2Archi.processInOutPort(attributes);\r
 107         // detailed architecture\r
 108         } else if (elementName.equals(_xt.getReadPathTag())) {\r
 109             val = _xml2Archi.processReadPath(attributes);\r
 110         } else if (elementName.equals(_xt.getWritePathTag())) {\r
 111             val = _xml2Archi.processWritePath(attributes);\r
 112         } else if (elementName.equals(_xt.getTXBufTag())) {\r
 113             val = _xml2Archi.processTXBuf(attributes);\r
 114         } else if (elementName.equals(_xt.getRXBufTag())) {\r
 115             val = _xml2Archi.processRXBuf(attributes);\r
 116         } else if (elementName.equals(_xt.getCHBufTag())) {\r
 117             val = _xml2Archi.processCHBuf(attributes);\r
 118         } else {\r
 119             System.out.println("--Warning, DOL doesn't "\r
 120                     + "understand tag <" + elementName + "> ");\r
 121         }\r
 122 \r
 123         if (val != null) {\r
 124             _stack.push(val);\r
 125         }\r
 126     }\r
 127 \r
 128     /**\r
 129      * Action to be done while parsing an end element of an XML.\r
 130      *\r
 131      * @param elementName Description of the Parameter\r
 132      * @exception SAXException MyException If such and such occurs\r
 133      */\r
 134     public void endElement(String namespaceURI, String localName,\r
 135             String elementName) throws SAXException {\r
 136         if (elementName.equals(_xt.getArchiTag())) {\r
 137             _xml2Archi.processArchitecture(_stack);\r
 138         } else if (elementName.equals(_xt.getVariableTag())) {\r
 139             _xml2Archi.processVariable(_stack);\r
 140         } else if (elementName.equals(_xt.getProcessorTag())) {\r
 141             _xml2Archi.processProcessor(_stack);\r
 142         } else if (elementName.equals(_xt.getMemoryTag())) {\r
 143             _xml2Archi.processMemory(_stack);\r
 144         } else if (elementName.equals(_xt.getHWChannelTag())) {\r
 145             _xml2Archi.processHWChannel(_stack);\r
 146         } else if (elementName.equals(_xt.getConfigurationTag())) {\r
 147             _xml2Archi.processConfiguration(_stack);\r
 148         // simplified architecture\r
 149         } else if (elementName.equals(_xt.getConnectionTag())) {\r
 150             _xml2Archi.processConnection(_stack);\r
 151         } else if (elementName.equals(_xt.getOriginTag())) {\r
 152             _xml2Archi.processOrigin(_stack);\r
 153         } else if (elementName.equals(_xt.getTargetTag())) {\r
 154             _xml2Archi.processTarget(_stack);\r
 155         } else if (elementName.equals(_xt.getNodeTag())) {\r
 156             _xml2Archi.processNode(_stack);\r
 157         } else if (elementName.equals(_xt.getPortTag())) {\r
 158             _xml2Archi.processPort(_stack);\r
 159         } else if (elementName.equals(_xt.getInPortTag())) {\r
 160             _xml2Archi.processInputPort(_stack);\r
 161         } else if (elementName.equals(_xt.getOutPortTag())) {\r
 162             _xml2Archi.processOutputPort(_stack);\r
 163         } else if (elementName.equals(_xt.getDuplexPortTag())) {\r
 164             _xml2Archi.processInOutPort(_stack);\r
 165         // detailed architecture\r
 166         } else if (elementName.equals(_xt.getReadPathTag())) {\r
 167             _xml2Archi.processReadPath(_stack);\r
 168         } else if (elementName.equals(_xt.getWritePathTag())) {\r
 169             _xml2Archi.processWritePath(_stack);\r
 170         } else if (elementName.equals(_xt.getTXBufTag())) {\r
 171             _xml2Archi.processTXBuf(_stack);\r
 172         } else if (elementName.equals(_xt.getRXBufTag())) {\r
 173             _xml2Archi.processRXBuf(_stack);\r
 174         } else if (elementName.equals(_xt.getCHBufTag())) {\r
 175             _xml2Archi.processCHBuf(_stack);\r
 176         }\r
 177     }\r
 178 \r
 179     /** stack containing the generated objects */\r
 180     protected Stack<Object> _stack;\r
 181 \r
 182     /** actions to be taken while parsing every XML element */\r
 183     protected Xml2Archi _xml2Archi;\r
 184 \r
 185     /** */\r
 186     protected XmlTag _xt = XmlTag.getInstance();\r
 187 }\r