/*
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.activemq.openwire.tool;
import java.io.File;
import java.io.PrintWriter;
import java.util.Iterator;
import java.util.List;
import org.codehaus.jam.JClass;
import org.codehaus.jam.JProperty;
/**
*
* @version $Revision: 409828 $
*/
public class AmqCppClassesGenerator extends MultiSourceGenerator {
protected String targetDir="./src/main";
public Object run() {
filePostFix = getFilePostFix();
if (destDir == null) {
destDir = new File(
targetDir+"/activemq/connector/openwire/commands");
}
return super.run();
}
protected String getFilePostFix() {
return ".cpp";
}
protected String getProperBaseClassName( String className, String baseClass ) {
if( baseClass == null || className == null ) {
return null;
}
// The C++ BaseCommand class is a template, which requires either
// transport::Command, or transport::Response.
if( className.equals( "Response" ) ) {
return "BaseCommand<transport::Response>";
} else if( baseClass.equals( "BaseCommand" ) ) {
return "BaseCommand<transport::Command>";
}
// No change.
return baseClass;
}
public String toCppType(JClass type) {
String name = type.getSimpleName();
if (name.equals("String")) {
return "std::string";
}
else if( type.isArrayType() ) {
if( name.equals( "byte[]" ) )
name = "unsigned char[]";
JClass arrayClass = type.getArrayComponentType();
if( arrayClass.isPrimitiveType() ) {
return "std::vector<" + name.substring(0, name.length()-2) + ">";
} else {
return "std::vector<" + name.substring(0, name.length()-2) + "*>";
}
}
else if( name.equals( "Throwable" ) || name.equals( "Exception" ) ) {
return "BrokerError";
}
else if( name.equals("BaseDataStructure" ) ){
return "DataStructure";
}
else if( name.equals("ByteSequence") ) {
return "std::vector<unsigned char>";
}
else if( name.equals("boolean") ) {
return "bool";
}
else if( name.equals("long") ) {
return "long long";
}
else if( name.equals("byte") ) {
return "unsigned char";
}
else if( !type.isPrimitiveType() ) {
return name;
}
else {
return name;
}
}
/**
* Converts the Java type to a C++ default value
*/
public String toCppDefaultValue(JClass type) {
String name = type.getSimpleName();
if (name.equals("boolean")) {
return "false";
} else if( name.equals("String") ) {
return "\"\"";
} else if( !type.isPrimitiveType() ) {
return "NULL";
} else {
return "0";
}
}
protected void generateLicence(PrintWriter out) {
out.println("/*");
out.println(" * Licensed to the Apache Software Foundation (ASF) under one or more");
out.println(" * contributor license agreements. See the NOTICE file distributed with");
out.println(" * this work for additional information regarding copyright ownership.");
out.println(" * The ASF licenses this file to You under the Apache License, Version 2.0");
out.println(" * (the \"License\"); you may not use this file except in compliance with");
out.println(" * the License. You may obtain a copy of the License at");
out.println(" *");
out.println(" * http://www.apache.org/licenses/LICENSE-2.0");
out.println(" *");
out.println(" * Unless required by applicable law or agreed to in writing, software");
out.println(" * distributed under the License is distributed on an \"AS IS\" BASIS,");
out.println(" * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.");
out.println(" * See the License for the specific language governing permissions and");
out.println(" * limitations under the License.");
out.println(" */");
}
protected void generateFile(PrintWriter out) throws Exception {
generateLicence(out);
out.println("#include <activemq/connector/openwire/commands/"+className+".h>");
out.println("#include <activemq/exceptions/NullPointerException.h>");
out.println("");
out.println("using namespace std;");
out.println("using namespace activemq;");
out.println("using namespace activemq::exceptions;");
out.println("using namespace activemq::connector;");
out.println("using namespace activemq::connector::openwire;");
out.println("using namespace activemq::connector::openwire::commands;");
out.println("");
out.println("/*");
out.println(" *");
out.println(" * Command and marshaling code for OpenWire format for "+className );
out.println(" *");
out.println(" *");
out.println(" * NOTE!: This file is autogenerated - do not modify!");
out.println(" * if you need to make a change, please see the Java Classes in the");
out.println(" * activemq-core module");
out.println(" *");
out.println(" */");
out.println("////////////////////////////////////////////////////////////////////////////////");
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("DataStructure* "+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 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("}");
out.println("");
} else {
out.println("////////////////////////////////////////////////////////////////////////////////");
out.println("const "+type+" "+className+"::"+getter+"() const {");
out.println(" return "+parameterName+";");
out.println("}");
out.println("");
out.println("////////////////////////////////////////////////////////////////////////////////");
out.println(""+type+" "+className+"::"+getter+"() {");
out.println(" return "+parameterName+";");
out.println("}");
out.println("");
}
out.println("////////////////////////////////////////////////////////////////////////////////");
out.println("void " + className + "::" + setter+"(" + constNess + type+ " " + parameterName +" ) {");
out.println(" this->"+parameterName+" = "+parameterName+";");
out.println("}");
}
out.println("");
}
public String getTargetDir() {
return targetDir;
}
public void setTargetDir(String targetDir) {
this.targetDir = targetDir;
}
}