// Copyright 2005 The Apache Software Foundation
//
// Licensed 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.hivemind.service.impl;
import java.lang.reflect.Modifier;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import javassist.CtClass;
import javassist.CtMethod;
import org.apache.hivemind.ApplicationRuntimeException;
import org.apache.hivemind.service.InterfaceFab;
import org.apache.hivemind.service.MethodSignature;
/**
* @author Howard M. Lewis Ship
*/
public class InterfaceFabImpl extends AbstractFab implements InterfaceFab
{
private List _methods = new ArrayList();
public InterfaceFabImpl(CtClassSource source, CtClass ctClass)
{
super(source, ctClass);
}
public String toString()
{
StringBuffer buffer = new StringBuffer("InterfaceFabImpl[\npublic interface ");
CtClass ctClass = getCtClass();
buffer.append(ctClass.getName());
try
{
CtClass[] interfaces = ctClass.getInterfaces();
for (int i = 0; i < interfaces.length; i++)
{
buffer.append(i == 0 ? " extends " : ", ");
buffer.append(interfaces[i].getName());
}
}
catch (Exception ex)
{
buffer.append("<Exception: " + ex + ">");
}
Iterator i = _methods.iterator();
while (i.hasNext())
{
MethodSignature sig = (MethodSignature) i.next();
buffer.append("\n\npublic ");
buffer.append(sig);
buffer.append(";");
}
buffer.append("\n]");
return buffer.toString();
}
public void addMethod(MethodSignature ms)
{
CtClass ctReturnType = convertClass(ms.getReturnType());
CtClass[] ctParameters = convertClasses(ms.getParameterTypes());
CtClass[] ctExceptions = convertClasses(ms.getExceptionTypes());
CtMethod method = new CtMethod(ctReturnType, ms.getName(), ctParameters, getCtClass());
try
{
method.setModifiers(Modifier.PUBLIC | Modifier.ABSTRACT);
method.setExceptionTypes(ctExceptions);
getCtClass().addMethod(method);
}
catch (Exception ex)
{
throw new ApplicationRuntimeException(ServiceMessages.unableToAddMethod(
ms,
getCtClass(),
ex), ex);
}
_methods.add(ms);
}
public Class createInterface()
{
return createClass();
}
}