Examples of org.codehaus.jam.JProperty

org.codehaus.jam.JProperty

This is a helper class which provides java.beans-like functionality in the JAM framework. extension to the JAM framework that encapsulates the notion of a javabean properties. This class can be used to get similar functionality in JAM that is provided by the java.beans. packge.

An array of JProperties for a given JClass can be retrieved using the getProperties factory method.
@author Patrick Calahan <email: codehaus-at-bea-dot-com>

        StringWriter buffer = new StringWriter();
        PrintWriter out = new PrintWriter(buffer);
        out.println("            return GetType().Name + \"[\"");
        Iterator iter = getProperties().iterator();
        while (iter.hasNext()) {
            JProperty property = (JProperty)iter.next();
            String name = property.getSimpleName();
            out.println("                + \" " + name + "=\" + " + name);
        }
        out.println("                + \" ]\";");
        return buffer.toString();
    }

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        List properties = getProperties();
        String type;
        Object name;
        for (Iterator iter = properties.iterator(); iter.hasNext();) {
            JProperty property = (JProperty)iter.next();
            type = toCSharpType(property.getType());
            name = decapitalize(property.getSimpleName());
            out.println("        " + type + " " + name + ";");
        }


        String text = makeHashCodeBody();
        if (text != null) {
            out.println("");
            out.println("        public override int GetHashCode() {");
            out.println("" + text + "");
            out.println("        }");
        }


        text = makeEqualsBody();
        if (text != null) {
            out.println("");
            out.println("        public override bool Equals(object that) {");
            out.println("            if (that is " + className + ") {");
            out.println("                return Equals((" + className + ") that);");
            out.println("            }");
            out.println("            return false;");
            out.println("        }");
            out.println("");
            out.println("        public virtual bool Equals(" + className + " that) {");
            out.println("" + text + "");
            out.println("        }");
        }


        text = makeToStringBody();
        if (text != null) {
            out.println("");
            out.println("        public override string ToString() {");
            out.println("" + text + "");
            out.println("        }");
        }


        out.println("");
        out.println("        public override byte GetDataStructureType() {");
        out.println("            return ID_" + jclass.getSimpleName() + ";");
        out.println("        }");
        out.println("");
        out.println("");
        out.println("        // Properties");


        for (Iterator iter = properties.iterator(); iter.hasNext();) {
            JProperty property = (JProperty)iter.next();
            type = toCSharpType(property.getType());
            name = decapitalize(property.getSimpleName());
            String propertyName = property.getSimpleName();


            out.println("");
            out.println("        public " + type + " " + propertyName + "");
            out.println("        {");
            out.println("            get { return " + name + "; }");

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            return true;
        }


        List properties = getProperties();
        for (Iterator iter = properties.iterator(); iter.hasNext();) {
            JProperty property = (JProperty) iter.next();
            JClass propertyType = property.getType();
            String type = propertyType.getSimpleName();


            if( !( type.equals("byte") ) &&
                !( type.equals("char") ) &&
                !( type.equals("short") ) &&

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            return true;
        }


        List properties = getProperties();
        for (Iterator iter = properties.iterator(); iter.hasNext();) {
            JProperty property = (JProperty) iter.next();
            JClass propertyType = property.getType();
            String type = propertyType.getSimpleName();


            if( !type.equals("boolean") ) {


                return true;

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    protected int generateTightMarshal1Body(PrintWriter out) {
        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")) {

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    protected void generateTightMarshal2Body(PrintWriter out) {
        List properties = getProperties();
        int count = 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() + "()";
            count++;


            if (type.equals("boolean")) {
                out.println("        bs->readBoolean();");
            }

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    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") ) {

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out.println(""+className+"::"+className+"()");
out.println("{");


        List properties = getProperties();
        for (Iterator iter = properties.iterator(); iter.hasNext();) {
            JProperty property = (JProperty) iter.next();
            String type = toCppType(property.getType());
            String value = toCppDefaultValue(property.getType());
            String propertyName = property.getSimpleName();
            String parameterName = decapitalize(propertyName);


            if( !type.startsWith("std::vector") ) {
out.println("    this->"+parameterName+" = "+value+";");
            }
        }
out.println("}");
out.println("");
out.println("////////////////////////////////////////////////////////////////////////////////");
out.println(""+className+"::~"+className+"()");
out.println("{");


    for( Iterator iter = properties.iterator(); iter.hasNext(); ) {
        JProperty property = (JProperty) iter.next();
        String type = toCppType(property.getType());
        String propertyName = property.getSimpleName();
        String parameterName = decapitalize(propertyName);


        if( property.getType().isPrimitiveType() ||
            property.getType().getSimpleName().equals("String") ) {
            continue;
        }


        if( !type.startsWith("std::vector" ) ) {
out.println("    delete this->" + parameterName + ";");
        } else if( type.contains( "*" ) ) {
out.println("    for( size_t i" + parameterName + " = 0; i" + parameterName + " < " + parameterName + ".size(); ++i" + parameterName + " ) {");
out.println("        delete " + parameterName + "[i" + parameterName + "];");
out.println("    }");
        }
    }
out.println("}");


out.println("");
out.println("////////////////////////////////////////////////////////////////////////////////");
out.println(className+"* "+className+"::cloneDataStructure() const {");


    String newInstance = decapitalize( className );


out.println("    "+className+"* "+newInstance+" = new "+className+"();");
out.println("");
out.println("    // Copy the data from the base class or classes");
out.println("    "+newInstance+"->copyDataStructure( this );");
out.println("");
out.println("    return "+newInstance+";");
out.println("}");


out.println("");
out.println("////////////////////////////////////////////////////////////////////////////////");
out.println("void "+className+"::copyDataStructure( const DataStructure* src ) {");
out.println("");


        if( baseClass != null ) {
out.println("    // Copy the data of the base class or classes");
out.println("    "+getProperBaseClassName( className, baseClass )+"::copyDataStructure( src );");
out.println("");
        }


out.println("    const "+className+"* srcPtr = dynamic_cast<const "+className+"*>( src );");
out.println("");
out.println("    if( srcPtr == NULL || src == NULL ) {");
out.println("    ");
out.println("        throw decaf::lang::exceptions::NullPointerException(");
out.println("            __FILE__, __LINE__,");
out.println("            \""+className+"::copyDataStructure - src is NULL or invalid\" );");
out.println("    }");


    for( Iterator iter = properties.iterator(); iter.hasNext(); ) {
        JProperty property = (JProperty) iter.next();
        String type = toCppType(property.getType());
        String propertyName = property.getSimpleName();
        String parameterName = decapitalize(propertyName);
        String constNess = "";
        String getter = property.getGetter().getSimpleName();
        String setter = property.getSetter().getSimpleName();


        if( property.getType().isPrimitiveType() ||
            type.equals("std::string") ||
            property.getType().getSimpleName().equals("ByteSequence") ){
    out.println("    this->"+setter+"( srcPtr->"+getter+"() );");
        } else if( property.getType().isArrayType() &&
                   !property.getType().getArrayComponentType().isPrimitiveType() ) {


            String arrayType = property.getType().getArrayComponentType().getSimpleName();


    out.println("    for( size_t i" + parameterName + " = 0; i" + parameterName + " < srcPtr->"+getter+"().size(); ++i" + parameterName + " ) {");
    out.println("        if( srcPtr->"+getter+"()[i"+parameterName+"] != NULL ) {");
    out.println("            this->"+getter+"().push_back( ");
    out.println("                dynamic_cast<"+arrayType+"*>( ");
    out.println("                    srcPtr->"+getter+"()[i"+parameterName+"]->cloneDataStructure() ) );");
    out.println("        } else {");
    out.println("            this->"+getter+"().push_back( NULL );");
    out.println("        }");
    out.println("    }");
        } else if( property.getType().isArrayType() &&
                   property.getType().getArrayComponentType().isPrimitiveType() ) {
    out.println("    this->"+setter+"( srcPtr->"+getter+"() );");
        } else {
    out.println("    if( srcPtr->"+getter+"() != NULL ) {");
    out.println("        this->"+setter+"( ");
    out.println("            dynamic_cast<"+type+"*>( ");
    out.println("                srcPtr->"+getter+"()->cloneDataStructure() ) );");
    out.println("    }");
        }
    }


out.println("}");




// getDataStructureType


out.println("");
out.println("////////////////////////////////////////////////////////////////////////////////");
out.println("unsigned char "+className+"::getDataStructureType() const {");
out.println("    return "+className+"::ID_" + className.toUpperCase() + "; ");
out.println("}");


// toString


out.println("");
out.println("////////////////////////////////////////////////////////////////////////////////");
out.println("std::string "+className+"::toString() const {");
out.println("");


out.println("    ostringstream stream;" );
out.println("");
out.println("    stream << \"Begin Class = "+className+"\" << std::endl;" );
out.println("    stream << \" Value of "+className+"::ID_" + className.toUpperCase() + " = "+getOpenWireOpCode(jclass)+"\" << std::endl; ");


for( Iterator iter = properties.iterator(); iter.hasNext(); ) {
    JProperty property = (JProperty) iter.next();
    String type = toCppType(property.getType());
    String propertyName = property.getSimpleName();
    String parameterName = decapitalize(propertyName);
    String constNess = "";
    String getter = property.getGetter().getSimpleName();
    String setter = property.getSetter().getSimpleName();


    if( property.getType().getSimpleName().equals("ByteSequence") ) {


out.println("    for( size_t i" + parameterName + " = 0; i" + parameterName + " < this->"+getter+"().size(); ++i" + parameterName + " ) {");
out.println("        stream << \" Value of "+propertyName+"[\" << i" + parameterName+" << \"] = \" << this->"+getter+"()[i"+parameterName+"] << std::endl;" );
out.println("    }" );


    } else if( type.equals("unsigned char") ){


out.println("    stream << \" Value of "+propertyName+" = \" << (int)this->"+getter+"() << std::endl;");


    } else if( property.getType().isPrimitiveType() ||
               type.equals("std::string") ){


out.println("    stream << \" Value of "+propertyName+" = \" << this->"+getter+"() << std::endl;");


    } else if( property.getType().isArrayType() &&
               !property.getType().getArrayComponentType().isPrimitiveType() ) {


        String arrayType = property.getType().getArrayComponentType().getSimpleName();


out.println("    for( size_t i" + parameterName + " = 0; i" + parameterName + " < this->"+getter+"().size(); ++i" + parameterName + " ) {");
out.println("        stream << \" Value of "+propertyName+"[\" << i" + parameterName+" << \"] is Below:\" << std::endl;" );
out.println("        if( this->"+getter+"()[i"+parameterName+"] != NULL ) {");
out.println("            stream << this->"+getter+"()[i"+parameterName+"]->toString() << std::endl;");
out.println("        } else {");
out.println("            stream << \"   Object is NULL\" << std::endl;");
out.println("        }");
out.println("    }");
    } else if( property.getType().isArrayType() &&
               property.getType().getArrayComponentType().isPrimitiveType() ) {
out.println("    for( size_t i" + parameterName + " = 0; i" + parameterName + " < this->"+getter+"().size(); ++i" + parameterName + " ) {");
out.println("        stream << \" Value of "+propertyName+"[\" << i"+parameterName+" << \"] = \" << this->"+getter+"()[i"+parameterName+"] << std::endl;");
out.println("    }");
    } else {
out.println("    stream << \" Value of "+propertyName+" is Below:\" << std::endl;" );
out.println("    if( this->"+getter+"() != NULL ) {");
out.println("        stream << this->"+getter+"()->toString() << std::endl;");
out.println("    } else {");
out.println("        stream << \"   Object is NULL\" << std::endl;");
out.println("    }");
    }
}


    if( baseClass != null ) {
out.println("    stream << "+getProperBaseClassName( className, baseClass )+"::toString();");
    }


out.println("    stream << \"End Class = "+className+"\" << std::endl;" );
out.println("");
out.println("    return stream.str();");
out.println("}");


// equals


out.println("");
out.println("////////////////////////////////////////////////////////////////////////////////");
out.println("bool "+className+"::equals( const DataStructure* value ) const {");


out.println("    const "+className+"* valuePtr = dynamic_cast<const "+className+"*>( value );");
out.println("");
out.println("    if( valuePtr == NULL || value == NULL ) {");
out.println("        return false;");
out.println("    }");


for( Iterator iter = properties.iterator(); iter.hasNext(); ) {
    JProperty property = (JProperty) iter.next();
    String type = toCppType(property.getType());
    String propertyName = property.getSimpleName();
    String parameterName = decapitalize(propertyName);
    String constNess = "";
    String getter = property.getGetter().getSimpleName();
    String setter = property.getSetter().getSimpleName();


    if( property.getType().getSimpleName().equals("ByteSequence") ) {


out.println("    for( size_t i" + parameterName + " = 0; i" + parameterName + " < this->"+getter+"().size(); ++i" + parameterName + " ) {");
out.println("        if( this->"+getter+"()[i" + parameterName+"] != valuePtr->"+getter+"()[i"+parameterName+"] ) {" );
out.println("            return false;" );
out.println("        }" );
out.println("    }" );


    } else if( property.getType().isPrimitiveType() ||
               type.equals("std::string") ){


out.println("    if( this->"+getter+"() != valuePtr->"+getter+"() ) {");
out.println("        return false;" );
out.println("    }" );


    } else if( property.getType().isArrayType() &&
               !property.getType().getArrayComponentType().isPrimitiveType() ) {


        String arrayType = property.getType().getArrayComponentType().getSimpleName();


out.println("    for( size_t i" + parameterName + " = 0; i" + parameterName + " < this->"+getter+"().size(); ++i" + parameterName + " ) {");
out.println("        if( this->"+getter+"()[i"+parameterName+"] != NULL ) {" );
out.println("            if( !this->"+getter+"()[i"+parameterName+"]->equals( valuePtr->"+getter+"()[i"+parameterName+"] ) ) {" );
out.println("                return false;");
out.println("            }");
out.println("        } else if( valuePtr->"+getter+"()[i"+parameterName+"] != NULL ) {");
out.println("            return false;");
out.println("        }");
out.println("    }");
    } else if( property.getType().isArrayType() &&
               property.getType().getArrayComponentType().isPrimitiveType() ) {
out.println("    for( size_t i" + parameterName + " = 0; i" + parameterName + " < this->"+getter+"().size(); ++i" + parameterName + " ) {");
out.println("        if( this->"+getter+"()[i"+parameterName+"] != valuePtr->"+getter+"()[i"+parameterName+"] ) {");
out.println("            return false;");
out.println("        }");
out.println("    }");
    } else {
out.println("    if( this->"+getter+"() != NULL ) {");
out.println("        if( !this->"+getter+"()->equals( valuePtr->"+getter+"() ) ) {" );
out.println("            return false;");
out.println("        }");
out.println("    } else if( valuePtr->"+getter+"() != NULL ) {");
out.println("        return false;");
out.println("    }");
    }
}


    if( baseClass != null ) {
out.println("    if( !"+getProperBaseClassName( className, baseClass )+"::equals( value ) ) {");
out.println("        return false;");
out.println("    }");
    }


out.println("    return true;" );
out.println("}");


       for( Iterator iter = properties.iterator(); iter.hasNext(); ) {
            JProperty property = (JProperty) iter.next();
            String type = toCppType(property.getType());
            String propertyName = property.getSimpleName();
            String parameterName = decapitalize(propertyName);
            String getter = property.getGetter().getSimpleName();
            String setter = property.getSetter().getSimpleName();
            String constNess = "";


            if( !property.getType().isPrimitiveType() &&
                !property.getType().getSimpleName().equals("ByteSequence") &&
                !property.getType().getSimpleName().equals("String") &&
                !type.startsWith("std::vector") ) {


                type = type + "*";
            } else if( property.getType().getSimpleName().equals("String") ||
                       type.startsWith( "std::vector") ) {
                type = type + "&";
                constNess = "const ";
            }




out.println("");


    if( property.getType().isPrimitiveType() ) {


out.println("////////////////////////////////////////////////////////////////////////////////");
out.println(type+" "+className+"::"+getter+"() const {");
out.println("    return "+parameterName+";");
out.println("}");

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        if (name.startsWith("get")) {
          name = name.substring(3);
        } else {
          name = name.substring(2);
        }
        JProperty prop = (JProperty)name2prop.get(name);
        if (prop == null) {
          prop = declared ? clazz.addNewDeclaredProperty(name,methods[i],null) :
            clazz.addNewProperty(name,methods[i],null);
          name2prop.put(name,prop);
        } else {
          if (typ.equals(prop.getType())) {
            ((PropertyImpl)prop).setGetter(methods[i]); // cheater
          }
        }
      }


      //
      // process setters
      //
      if (name.startsWith("set") && name.length() > 3) {
        if (methods[i].getParameters().length != 1) continue; //1 param reqd
        JClass type = methods[i].getParameters()[0].getType();
        name = name.substring(3);
        JProperty prop = (JProperty)name2prop.get(name);
        if (prop == null) {
          prop = declared ? clazz.addNewDeclaredProperty(name,null,methods[i]) :
            clazz.addNewProperty(name,null,methods[i]);
          name2prop.put(name,prop);
        } else {
          if (type.equals(prop.getType())) {
            // if it's the same type, cool - just add the getter
            ((PropertyImpl)prop).setSetter(methods[i]); // with a sneaky cast
          }
        }
      }

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  public JProperty addNewProperty(String name, JMethod getter, JMethod setter) {
    if (mProperties == null) mProperties = new ArrayList();
    String typeName = (getter != null) ?
      getter.getReturnType().getFieldDescriptor() :
      setter.getParameters()[0].getType().getFieldDescriptor();
    JProperty out = new PropertyImpl(name,getter,setter,typeName);
    mProperties.add(out);
    return out;
  }

View Full Code Here

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