Examples of org.codehaus.jam.JClass

org.codehaus.jam.JClass

Represents a Java class that may or may not be loaded in the VM. JClass is typically implemented in one of two ways: by wrapping a java.lang.Class or by parsing a source file directly with a tool such as javadoc or javelin.

If a JClass represents an inner class, its getParent() method returns the outer class. Otherwise, it returns the containing package.

Important Note: Because JAM's classloading machinery may swap instances of JClass out of memory at any time, you should never rely on instance equality (i.e., '==') when comparing two JClasses. To illustrate: it is possible (though rather unlikely) that that the following expression will evaluate to false
JMethod myJMethod = ... myJMethod.getReturnType() == myJMethod.getReturnType()
Instead, you should always use equals()
myJMethod.getReturnType().equals(myJMethod.getReturnType())
REVIEW a bunch of these methods (getMethods, getConstructors...) could throw SecurityException if the JClass is backed by java.lang.Class (see javadocs for Class). We're currently ignoring this, because it seems unlikely and it seems heavyweight. Seems ok?
@author Patrick Calahan <email: codehaus-at-bea-dot-com>

      out.println("        info." + setter + "((" + property.getType().getQualifiedName() + ") tightUnmarsalNestedObject(wireFormat, dataIn, bs));");
    }
  }


  protected void generateTightUnmarshalBodyForArrayProperty(PrintWriter out, JProperty property, JAnnotationValue size) {
    JClass propertyType = property.getType();
    String arrayType = propertyType.getArrayComponentType().getQualifiedName();
    String setter = property.getSetter().getSimpleName();
    out.println();
    if (size != null) {
      out.println("        {");
      out.println("            " + arrayType + " value[] = new " + arrayType + "[" + size.asInt() + "];");

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    int baseSize = 0;
    for (Iterator iter = properties.iterator(); iter.hasNext();) {
      JProperty property = (JProperty) iter.next();
      JAnnotation annotation = property.getAnnotation("openwire:property");
      JAnnotationValue size = annotation.getValue("size");
      JClass propertyType = property.getType();
      String type = propertyType.getSimpleName();
      String getter = "info." + property.getGetter().getSimpleName() + "()";


      if (type.equals("boolean")) {
        out.println("        bs.writeBoolean(" + getter + ");");
      } else if (type.equals("byte")) {
        baseSize += 1;
      } else if (type.equals("char")) {
        baseSize += 2;
      } else if (type.equals("short")) {
        baseSize += 2;
      } else if (type.equals("int")) {
        baseSize += 4;
      } else if (type.equals("long")) {
        out.println("        rc+=tightMarshalLong1(wireFormat, " + getter + ", bs);");
      } else if (type.equals("String")) {
        out.println("        rc += tightMarshalString1(" + getter + ", bs);");
      } else if (type.equals("byte[]")) {
        if (size == null) {
          out.println("        rc += tightMarshalByteArray1(" + getter + ", bs);");
        } else {
          out.println("        rc += tightMarshalConstByteArray1(" + getter + ", bs, " + size.asInt() + ");");
        }
      } else if (type.equals("ByteSequence")) {
        out.println("        rc += tightMarshalByteSequence1(" + getter + ", bs);");
      } else if (propertyType.isArrayType()) {
        if (size != null) {
          out.println("        rc += tightMarshalObjectArrayConstSize1(wireFormat, " + getter + ", bs, " + size.asInt() + ");");
        } else {
          out.println("        rc += tightMarshalObjectArray1(wireFormat, " + getter + ", bs);");
        }

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    List properties = getProperties();
    for (Iterator iter = properties.iterator(); iter.hasNext();) {
      JProperty property = (JProperty) iter.next();
      JAnnotation annotation = property.getAnnotation("openwire:property");
      JAnnotationValue size = annotation.getValue("size");
      JClass propertyType = property.getType();
      String type = propertyType.getSimpleName();
      String getter = "info." + property.getGetter().getSimpleName() + "()";


      if (type.equals("boolean")) {
        out.println("        bs.readBoolean();");
      } else if (type.equals("byte")) {
        out.println("        dataOut.writeByte(" + getter + ");");
      } else if (type.equals("char")) {
        out.println("        dataOut.writeChar(" + getter + ");");
      } else if (type.equals("short")) {
        out.println("        dataOut.writeShort(" + getter + ");");
      } else if (type.equals("int")) {
        out.println("        dataOut.writeInt(" + getter + ");");
      } else if (type.equals("long")) {
        out.println("        tightMarshalLong2(wireFormat, " + getter + ", dataOut, bs);");
      } else if (type.equals("String")) {
        out.println("        tightMarshalString2(" + getter + ", dataOut, bs);");
      } else if (type.equals("byte[]")) {
        String mandatory = getMandatoryFlag(annotation);
        if (size != null) {
          out.println("        tightMarshalConstByteArray2(" + getter + ", dataOut, bs, " + size.asInt() + ");");
        } else {
          out.println("        tightMarshalByteArray2(" + getter + ", dataOut, bs);");
        }
      } else if (type.equals("ByteSequence")) {
        out.println("        tightMarshalByteSequence2(" + getter + ", dataOut, bs);");
      } else if (propertyType.isArrayType()) {
        if (size != null) {
          out.println("        tightMarshalObjectArrayConstSize2(wireFormat, " + getter + ", dataOut, bs, " + size.asInt() + ");");
        } else {
          out.println("        tightMarshalObjectArray2(wireFormat, " + getter + ", dataOut, bs);");
        }

View Full Code Here

    List properties = getProperties();
    for (Iterator iter = properties.iterator(); iter.hasNext();) {
      JProperty property = (JProperty) iter.next();
      JAnnotation annotation = property.getAnnotation("openwire:property");
      JAnnotationValue size = annotation.getValue("size");
      JClass propertyType = property.getType();
      String type = propertyType.getSimpleName();
      String getter = "info." + property.getGetter().getSimpleName() + "()";


      if (type.equals("boolean")) {
        out.println("        dataOut.writeBoolean(" + getter + ");");
      } else if (type.equals("byte")) {
        out.println("        dataOut.writeByte(" + getter + ");");
      } else if (type.equals("char")) {
        out.println("        dataOut.writeChar(" + getter + ");");
      } else if (type.equals("short")) {
        out.println("        dataOut.writeShort(" + getter + ");");
      } else if (type.equals("int")) {
        out.println("        dataOut.writeInt(" + getter + ");");
      } else if (type.equals("long")) {
        out.println("        looseMarshalLong(wireFormat, " + getter + ", dataOut);");
      } else if (type.equals("String")) {
        out.println("        looseMarshalString(" + getter + ", dataOut);");
      } else if (type.equals("byte[]")) {
        if (size != null) {
          out.println("        looseMarshalConstByteArray(wireFormat, " + getter + ", dataOut, " + size.asInt() + ");");
        } else {
          out.println("        looseMarshalByteArray(wireFormat, " + getter + ", dataOut);");
        }
      } else if (type.equals("ByteSequence")) {
        out.println("        looseMarshalByteSequence(wireFormat, " + getter + ", dataOut);");
      } else if (propertyType.isArrayType()) {
        if (size != null) {
          out.println("        looseMarshalObjectArrayConstSize(wireFormat, " + getter + ", dataOut, " + size.asInt() + ");");
        } else {
          out.println("        looseMarshalObjectArray(wireFormat, " + getter + ", dataOut);");
        }

View Full Code Here

    List properties = getProperties();
    for (Iterator iter = properties.iterator(); iter.hasNext();) {
      JProperty property = (JProperty) iter.next();
      JAnnotation annotation = property.getAnnotation("openwire:property");
      JAnnotationValue size = annotation.getValue("size");
      JClass propertyType = property.getType();
      String propertyTypeName = propertyType.getSimpleName();


      if (propertyType.isArrayType() && !propertyTypeName.equals("byte[]")) {
        generateLooseUnmarshalBodyForArrayProperty(out, property, size);
      } else {
        generateLooseUnmarshalBodyForProperty(out, property, size);
      }
    }

View Full Code Here

      out.println("        info." + setter + "((" + property.getType().getQualifiedName() + ") looseUnmarsalNestedObject(wireFormat, dataIn));");
    }
  }


  protected void generateLooseUnmarshalBodyForArrayProperty(PrintWriter out, JProperty property, JAnnotationValue size) {
    JClass propertyType = property.getType();
    String arrayType = propertyType.getArrayComponentType().getQualifiedName();
    String setter = property.getSetter().getSimpleName();
    out.println();
    if (size != null) {
      out.println("        {");
      out.println("            " + arrayType + " value[] = new " + arrayType + "[" + size.asInt() + "];");

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    protected List sort(List source) {
        LinkedHashMap rc = new LinkedHashMap();
      ArrayList classes = new ArrayList(source);
        Collections.sort(classes, new Comparator(){
      public int compare(Object o1, Object o2) {
        JClass c1 = (JClass) o1;
        JClass c2 = (JClass) o2;
        return c1.getSimpleName().compareTo(c2.getSimpleName());
      }});
      
        // lets make a map of all the class names
        HashMap classNames = new HashMap();
        for (Iterator iter = classes.iterator(); iter.hasNext();) {
            JClass c = (JClass) iter.next();
            classNames.put(c, c);
        }


        // Add all classes that have no parent first
        for (Iterator iter = classes.iterator(); iter.hasNext();) {
            JClass c = (JClass) iter.next();
            if (!classNames.containsKey(c.getSuperclass()))
                rc.put(c, c);
        }


        // now lets add the rest
        for (Iterator iter = classes.iterator(); iter.hasNext();) {
            JClass c = (JClass) iter.next();
            if (!rc.containsKey(c))
                rc.put(c,c);
        }


        return new ArrayList(rc.keySet());

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out.println("#define OW_WIREFORMAT_TCP_NO_DELAY_MASK    0x00000002;");
out.println("#define OW_WIREFORMAT_CACHE_MASK           0x00000004;");
out.println("#define OW_WIREFORMAT_COMPRESSION_MASK     0x00000008;");


    for (Iterator iterator = sortedClasses.iterator(); iterator.hasNext();) {
      JClass jclass = (JClass) iterator.next();
        String name = jclass.getSimpleName();
        String type = ("ow_"+name).toUpperCase()+"_TYPE";
        if( !isAbstract(jclass) ) {
          out.println("#define "+type+" "+getOpenWireOpCode(jclass));
        }
     }

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out.println("    /// </summary>");
  out.print("    public class "+jclass.getSimpleName()+" : "+baseClass);




    for (int i = 0; i < jclass.getInterfaces().length; i++) {
    JClass intf = jclass.getInterfaces()[i];
    out.print(", "+intf.getSimpleName());
  }
    
out.println("");
out.println("    {");
out.println("        public const byte ID_"+jclass.getSimpleName()+" = "+getOpenWireOpCode(jclass)+";");

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    mJoust = joust;
  }


  public void doCodegen() throws IOException {
    while(mClassesLeftTodo.size() > 0) {
      JClass clazz = (JClass)mClassesLeftTodo.get(0);
      mClassesLeftTodo.remove(0);
      mClassesDone.add(clazz);
      doCodegen(clazz);
    }
  }

View Full Code Here

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