Examples of org.codehaus.jam.JAnnotationValue

org.codehaus.jam.JAnnotationValue

Represents a member value of a JAnnotation.

A note regarding enums

The presence of metadata of 'enum' types poses a bit of a challenge in the untyped view of metadata that is presented by JAnnotationValue. Because JAM cannot assume that the enum definitions have been compiled, it is not possible for JAM to return an instance of an enumuerated type. In other words, it is not possible for JAnnotationValue to provide an asEnum() method.

If JAM encounters an annotation value of an enumerated type, it will represent it with a JAnnotationValue such that calling myAnnotationValue.getType().isEnumType() will return true. Moreover, calling myAnnotationValue.asString() will return the name of the enumeration field, exactly as it appears in the type declaration.
@author Patrick Calahan


    public boolean isCachedProperty(JProperty it) {
        JMethod getter = it.getGetter();
        if (!isValidProperty(it))
            return false;
        JAnnotationValue value = getter.getAnnotation("openwire:property").getValue("cache");
        return value != null && value.asBoolean();
    }

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    return stringValue(annotation, name, null);
  }
  
  protected String stringValue(JAnnotation annotation, String name, String defaultValue) {
        if (annotation != null) {
            JAnnotationValue value = annotation.getValue(name);
            if (value != null) {
                return value.asString();
            }
        }
        return defaultValue;
  }

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        List properties = getProperties();
        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() + "()";


            out.print(indent);
            if (type.equals("boolean")) {
                out.println("bs.writeBoolean(" + getter + ");");
            }
            else if (type.equals("byte")) {
                baseSize += 1;
            }
            else if (type.equals("char")) {
                baseSize += 1;
            }
            else if (type.equals("short")) {
                baseSize += 1;
            }
            else if (type.equals("int")) {
                baseSize += 1;
            }
            else if (type.equals("long")) {
                out.println("rc += marshal1Long(wireFormat, " + getter + ", bs);");
            }
            else if (type.equals("String")) {
                out.println("rc += writeString(" + getter + ", bs);");
            }
            else if (type.equals("byte[]") || type.equals("ByteSequence")) {
                if (size == null) {
                    out.println("bs.writeBoolean(" + getter + "!=null);");
                    out.println("    rc += " + getter + "==null ? 0 : " + getter + ".Length+4;");
                }
                else {
                    baseSize += size.asInt();
                }
            }
            else if (propertyType.isArrayType()) {
                if (size != null) {
                    out.println("rc += marshalObjectArrayConstSize(wireFormat, " + getter + ", bs, " + size.asInt() + ");");
                }
                else {
                    out.println("rc += marshalObjectArray(wireFormat, " + getter + ", bs);");
                }
            }

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    protected void generateMarshal2Body(PrintWriter out) {
        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() + "()";


            out.print(indent);
            if (type.equals("boolean")) {
                out.println("bs.readBoolean();");
            }
            else if (type.equals("byte")) {
                out.println("DataStreamMarshaller.writeByte(" + getter + ", dataOut);");
            }
            else if (type.equals("char")) {
                out.println("DataStreamMarshaller.writeChar(" + getter + ", dataOut);");
            }
            else if (type.equals("short")) {
                out.println("DataStreamMarshaller.writeShort(" + getter + ", dataOut);");
            }
            else if (type.equals("int")) {
                out.println("DataStreamMarshaller.writeInt(" + getter + ", dataOut);");
            }
            else if (type.equals("long")) {
                out.println("marshal2Long(wireFormat, " + getter + ", dataOut, bs);");
            }
            else if (type.equals("String")) {
                out.println("writeString(" + getter + ", dataOut, bs);");
            }
            else if (type.equals("byte[]") || type.equals("ByteSequence")) {
                if (size != null) {
                    out.println("dataOut.write(" + getter + ", 0, " + size.asInt() + ");");
                }
                else {
                    out.println("if(bs.readBoolean()) {");
                    out.println("       DataStreamMarshaller.writeInt(" + getter + ".Length, dataOut);");
                    out.println("       dataOut.write(" + getter + ");");
                    out.println("    }");
                }
            }
            else if (propertyType.isArrayType()) {
                if (size != null) {
                    out.println("marshalObjectArrayConstSize(wireFormat, " + getter + ", dataOut, bs, " + size.asInt() + ");");
                }
                else {
                    out.println("marshalObjectArray(wireFormat, " + getter + ", dataOut, bs);");
                }
            }

View Full Code Here

  protected void generateTightUnmarshalBody(PrintWriter out) {
    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[]")) {
        generateTightUnmarshalBodyForArrayProperty(out, property, size);

View Full Code Here

    List properties = getProperties();
    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);");
        }
      } else if (isThrowable(propertyType)) {
        out.println("        rc += tightMarshalThrowable1(wireFormat, " + getter + ", bs);");

View Full Code Here

  protected void generateTightMarshal2Body(PrintWriter out) {
    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);");
        }
      } else if (isThrowable(propertyType)) {
        out.println("        tightMarshalThrowable2(wireFormat, " + getter + ", dataOut, bs);");

View Full Code Here

  protected void generateLooseMarshalBody(PrintWriter out) {
    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);");
        }
      } else if (isThrowable(propertyType)) {
        out.println("        looseMarshalThrowable(wireFormat, " + getter + ", dataOut);");

View Full Code Here

  protected void generateLooseUnmarshalBody(PrintWriter out) {
    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);

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  /**
   * Returns whether or not the given annotation has a mandatory flag on it or
   * not
   */
  protected String getMandatoryFlag(JAnnotation annotation) {
    JAnnotationValue value = annotation.getValue("mandatory");
    if (value != null) {
      String text = value.asString();
      if (text != null && text.equalsIgnoreCase("true")) {
        return "true";
      }
    }
    return "false";

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