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

   1 package org.simantics.xml.sax.base;\r
   2 \r
   3 import java.util.Collection;\r
   4 import java.util.Collections;\r
   5 import java.util.List;\r
   6 \r
   7 import javax.xml.stream.XMLStreamException;\r
   8 import javax.xml.stream.XMLStreamWriter;\r
   9 \r
  10 import org.simantics.databoard.binding.Binding;\r
  11 import org.simantics.db.ReadGraph;\r
  12 import org.simantics.db.Resource;\r
  13 import org.simantics.db.Statement;\r
  14 import org.simantics.db.exception.DatabaseException;\r
  15 import org.simantics.layer0.Layer0;\r
  16 \r
  17 public class ValueElementWriter implements XMLElementWriter{\r
  18         \r
  19         String name;\r
  20         Binding binding;\r
  21         String typeURI;\r
  22         \r
  23         public ValueElementWriter(String name, String typeURI,Binding binding) {\r
  24                 this.name = name;\r
  25                 this.typeURI = typeURI;\r
  26                 this.binding = binding;\r
  27         }\r
  28         \r
  29         @Override\r
  30         public String getElementId() {\r
  31                 return name;\r
  32         }\r
  33         \r
  34         @Override\r
  35         public Resource getType(ReadGraph graph) throws DatabaseException {\r
  36                 return graph.getResource(typeURI);\r
  37         }\r
  38         \r
  39         @Override\r
  40         public void start(ReadGraph graph, WriterElement instance, XMLStreamWriter writer)\r
  41                         throws XMLStreamException, DatabaseException {\r
  42                 writer.writeStartElement(getElementId());\r
  43         }\r
  44         \r
  45         @Override\r
  46         public List<Resource> children(ReadGraph graph, WriterElement instance, XMLStreamWriter writer)\r
  47                         throws XMLStreamException, DatabaseException {\r
  48                 return Collections.EMPTY_LIST;\r
  49         }\r
  50         \r
  51         @Override\r
  52         public void end(ReadGraph graph, WriterElement instance, XMLStreamWriter writer)\r
  53                         throws XMLStreamException, DatabaseException {\r
  54                 writer.writeEndElement();\r
  55         }\r
  56         \r
  57         @Override\r
  58         public void attributes(ReadGraph graph, WriterElement instance, Collection<Statement> attributes,\r
  59                         XMLStreamWriter writer) throws XMLStreamException, DatabaseException {\r
  60                 \r
  61         }\r
  62         \r
  63         @Override\r
  64         public void characters(ReadGraph graph, WriterElement instance, XMLStreamWriter writer)\r
  65                         throws XMLStreamException, DatabaseException {\r
  66                         Layer0 l0 = Layer0.getInstance(graph);\r
  67                 Object value = graph.getValue(instance.getResource(), binding);\r
  68                 writer.writeCharacters(value.toString());\r
  69 //              if (binding == Bindings.STRING) {\r
  70 //                      graph.claim(element.getData(), l0.InstanceOf, l0.String);\r
  71 //                      graph.claimValue(element.getData(), string, binding);\r
  72 //              } else if (binding == Bindings.INTEGER) {\r
  73 //                      graph.claim(element.getData(), l0.InstanceOf, l0.Integer);\r
  74 //                      graph.claimValue(element.getData(), Integer.parseInt(string), binding);\r
  75 //              } else if (binding == Bindings.FLOAT) {\r
  76 //                      graph.claim(element.getData(), l0.InstanceOf, l0.Float);\r
  77 //                      graph.claimValue(element.getData(), Float.parseFloat(string), binding);\r
  78 //              } else if (binding == Bindings.DOUBLE) {\r
  79 //                      graph.claim(element.getData(), l0.InstanceOf, l0.Double);\r
  80 //                      graph.claimValue(element.getData(), Double.parseDouble(string), binding);\r
  81 //              } else if (binding == Bindings.BOOLEAN) {\r
  82 //                      graph.claim(element.getData(), l0.InstanceOf, l0.Boolean);\r
  83 //                      graph.claimValue(element.getData(), Boolean.parseBoolean(string), binding);\r
  84 //              } else if (binding == Bindings.LONG) {\r
  85 //                      graph.claim(element.getData(), l0.InstanceOf, l0.Long);\r
  86 //                      graph.claimValue(element.getData(), Long.parseLong(string), binding);\r
  87 //              } else if (binding == Bindings.BYTE) {\r
  88 //                      graph.claim(element.getData(), l0.InstanceOf, l0.Byte);\r
  89 //                      graph.claimValue(element.getData(), Byte.parseByte(string), binding);\r
  90 //              } else {\r
  91 //                      throw new DatabaseException("Unknown datatype " + binding);\r
  92 //              }\r
  93         }\r
  94 \r
  95 }\r