Examples of org.apache.ws.jaxme.js.DirectAccessible

org.apache.ws.jaxme.js.DirectAccessible
This interface is an abstract base for fields and similar objects. It doesn't define many methods, it mainly indicates, that the implementations value is directly and fast accessible in the generated code. The use is best demonstrated by an example. Suggest the following piece of code:
```
 Object value; return new Object[]{"((", value, ") * (", value, "))"}; 
```
The example is well suited for the case, where value is a variable name like "i". It is not suited, if "value" contains an expensive method call like "sin(x)". It is even wrong in the case "i++".

By using the interface DirectAccessible, you can change the implementation of getSquare() to look like this:
```
 Object value; JavaQName type; if (!(value instanceof DirectAccessible)) { LocalJavaField v = pMethod.newJavaField(type); v.addLine(value); v.setFinal(true); value = v; } return new Object[]{"((", value, ") * (", value, "))"}; 
```
This results in code, which is far more readable and better optimized.
@author Jochen Wiedmann

  }


  private JavaMethod getXMLSerializersInitMethod(GroupSG pController, JavaSource pSource) throws SAXException {
    ParticleSG[] myParticles = pController.getParticles();
    JavaMethod jm = null;
    DirectAccessible pFactory = null;
    for (int i = 0;  i < myParticles.length;  i++) {
      ParticleSG particle = myParticles[i];
      if (!particle.isElement()) {
        continue;
      }

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        // TODO: Implement handling for wildcards and subgroups
        throw new IllegalStateException("Wildcards and subgroups are not implemented.");
      }
      if (jm == null) {
        jm = pSource.newJavaMethod("marshalChilds", JavaQNameImpl.VOID, JavaSource.PROTECTED);
        DirectAccessible pData = jm.addParam(JavaQNameImpl.getInstance(JMXmlSerializer.Data.class), "pData");
        sgLet = new XMLSerializersMarshalChildsSGlet(pData);
        JavaQName elementInterface = pController.getClassContext().getXMLInterfaceName();
        DirectAccessible pObject = jm.addParam(Object.class, "pObject");
        pElement = jm.newJavaField(elementInterface);
        pElement.addLine("(", elementInterface, ") ", pObject);
        jm.addThrows(SAXException.class);
      }

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  }
    


  private JavaMethod getXMLHandlersInitMethod(GroupSG pController, JavaSource pSource) throws SAXException {
    JavaMethod jm = null;
    DirectAccessible pData = null;
    ParticleSG[] myParticles = pController.getParticles();
    for (int i = 0;  i < myParticles.length;  i++) {
      ParticleSG particle = myParticles[i];
      if (particle.isElement()) {
        ObjectSG objectSG = particle.getObjectSG();
        TypeSG typeSG = objectSG.getTypeSG();
        if (typeSG.isComplex()) {
          if (jm == null) {
            jm = pSource.newJavaMethod("init", JavaQNameImpl.VOID, JavaSource.PUBLIC);
            pData = jm.addParam(JMHandler.Data.class, "pData");
            jm.addThrows(JAXBException.class);
            jm.addLine("super.init(", pData, ");");
          }


          String f = particle.getPropertySG().getXMLFieldName();
          String handlerFieldName = "__handler_" + f;
          String handlerMethodName = getXMLHandlersMethodName(particle.getPropertySG());


          JavaField jf = pSource.newJavaField(handlerFieldName, JMHandler.class, JavaSource.PRIVATE);
          JavaMethod jm2 = pSource.newJavaMethod(handlerMethodName, JMHandler.class, "protected");
          jm2.addThrows(SAXException.class);
          jm2.addIf(handlerFieldName, " == null");
          
          ComplexTypeSG childSG = typeSG.getComplexTypeSG();
          JavaQName interfaceName = childSG.getClassContext().getXMLInterfaceName();
          JavaQName handlerClassName = childSG.getClassContext().getXMLHandlerName();
          jm2.addTry();
          if (typeSG.isGlobalClass()) {
            jm2.addLine(handlerFieldName, " = getData().getFactory().getJMHandler(",
                        interfaceName, ".class);");
          } else {
            jm2.addLine(jf, " = new ", handlerClassName, "();");
          }
          jm2.addLine(jf, ".init(getData());");
          DirectAccessible e = jm2.addCatch(JAXBException.class);
          jm2.addThrowNew(SAXException.class, e);
          jm2.addEndTry();
          jm2.addEndIf();
          jm2.addLine("return ", jf, ";");

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    if (myParticles.length == 0) {
      return null;
    }


    JavaMethod jm = pSource.newJavaMethod("endElement", JavaQNameImpl.VOID, JavaSource.PUBLIC);
    DirectAccessible pNamespaceURI = jm.addParam(String.class, "pNamespaceURI");
    DirectAccessible pLocalName = jm.addParam(String.class, "pLocalName");
    DirectAccessible pQName = jm.addParam(String.class, "pQName");
    jm.addThrows(SAXException.class);


    jm.addIf(pHandlerVar, " == null");
    jm.addIf(pLevelVar, " != 1");
    jm.addLine("super.endElement(", pNamespaceURI, ", ", pLocalName, ", ", pQName, ");");

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  public JavaMethod getXMLHandlersCharactersMethod(GroupSG pController, JavaSource pSource,
                                                    DirectAccessible pHandlerVar)
      throws SAXException {
    JavaMethod jm = pSource.newJavaMethod("characters", JavaQNameImpl.VOID, JavaSource.PUBLIC);
    DirectAccessible pChars = jm.addParam(char[].class, "pChars");
    DirectAccessible pOffset = jm.addParam(int.class, "pOffset");
    DirectAccessible pLen = jm.addParam(int.class, "pLen");
    jm.addThrows(SAXException.class);
    jm.addIf(pHandlerVar, " == null");
    jm.addLine("super.characters(", pChars,", ", pOffset, ", ", pLen, ");");
    jm.addElse();
    jm.addLine(pHandlerVar, ".characters(", pChars, ", ", pOffset, ", ", pLen, ");");

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  public JavaMethod getXMLSetMethod(TypeSG pController, JavaSource pSource,
                                     String pFieldName, String pMethodName) throws SAXException {
    if (pController.isComplex()) {
      String pName = "p" + Character.toUpperCase(pFieldName.charAt(0)) + pFieldName.substring(1);
      JavaMethod jm = pSource.newJavaMethod(pMethodName, JavaQNameImpl.VOID, JavaSource.PUBLIC);
      DirectAccessible param = jm.addParam(pController.getRuntimeType(), pName);
      if (!pSource.isInterface()) {
        jm.addLine(pFieldName, " = ", param, ";");
        JavaQName checkQName = pController.getRuntimeType();
        boolean isPrimitive = "".equals(checkQName.getPackageName());
        if (isPrimitive) {

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      log.finest(mName, "<-");
      return;
    }


    JavaMethod jm = pSource.newJavaMethod("getAttributes", AttributesImpl.class, "protected");
    DirectAccessible pData = jm.addParam(JavaQNameImpl.getInstance(JMXmlSerializer.Data.class), "pData");
    DirectAccessible pElement = jm.addParam(Object.class, "pElement");
    jm.addThrows(SAXException.class);
    LocalJavaField result = jm.newJavaField(AttributesImpl.class);
    result.addLine("super.getAttributes(", pData, ", ", pElement, ")");
    JavaQName elementInterface = pController.getClassContext().getXMLInterfaceName();
    LocalJavaField element = jm.newJavaField(elementInterface);

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    if (uris.isEmpty()) {
      return null;
    }
    JavaMethod jm = pSource.newJavaMethod("getPreferredPrefix", String.class, JavaSource.PUBLIC);
    DirectAccessible pURI = jm.addParam(String.class, "pURI");
    jm.addIf(pURI, " == null");
    jm.addLine(pURI, " = \"\";");
    jm.addEndIf();
    boolean first = true;
    for (Iterator iter = uris.entrySet().iterator();  iter.hasNext();  ) {

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    if (myAttributes.length == 0) {
      return null;
    }


    JavaMethod jm = pSource.newJavaMethod("addAttribute", JavaQNameImpl.VOID, JavaSource.PUBLIC);
    DirectAccessible pURI = jm.addParam(String.class, "pURI");
    DirectAccessible pLocalName = jm.addParam(String.class, "pLocalName");
    DirectAccessible pValue = jm.addParam(String.class, "pValue");
    jm.addThrows(SAXException.class);
    jm.addIf(pURI, " == null");
    jm.addLine(pURI, " = \"\";");
    jm.addEndIf();

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    jm.addThrows(SAXException.class);
    if (pController.getClassContext().isGlobal()) {
      jm.addTry();
      jm.addLine("return (", elementInterfaceClass, ") getData().getFactory().getElement(",
                 elementInterfaceClass, ".class);");
      DirectAccessible e = jm.addCatch(JAXBException.class);
      jm.addThrowNew(SAXException.class, e);
      jm.addEndTry();
    } else {
      JavaQName elementImplClass = pController.getClassContext().getXMLImplementationName();
      jm.addLine("return new ", elementImplClass, "();");

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org.apache.ws.jaxme.generator.sg.impl.ArrayPropertySG

org.apache.ws.jaxme.generator.sg.impl.ccsg.DriverGeneratingVisitor

org.apache.ws.jaxme.generator.sg.impl.ccsg.DriverSGImpl

org.apache.ws.jaxme.generator.sg.impl.ccsg.GroupHandlerSG

org.apache.ws.jaxme.generator.sg.impl.ccsg.HandlerSGImpl

org.apache.ws.jaxme.generator.sg.impl.ccsg.MarshalChildsMethodGeneratingVisitor

org.apache.ws.jaxme.generator.sg.impl.EnumerationSG

org.apache.ws.jaxme.generator.sg.impl.JAXBComplexTypeSG

org.apache.ws.jaxme.generator.sg.impl.JAXBGroupSG

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