/***
* Copyright (c) 2009 Caelum - www.caelum.com.br/opensource
* All rights reserved.
*
* 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 br.com.caelum.vraptor.util;
import java.lang.reflect.AccessibleObject;
import java.lang.reflect.Constructor;
import java.lang.reflect.Method;
public final class Stringnifier {
private Stringnifier() {
throw new InstantiationError( "Must not instantiate this class" );
}
static String argumentsToString(Class<?>[] parameterTypes) {
StringBuilder builder = new StringBuilder();
for (int i = 0; i < parameterTypes.length; i++) {
builder.append(parameterTypes[i].getSimpleName());
if (i != parameterTypes.length - 1)
builder.append(", ");
}
return '(' + builder.toString() + ')';
}
public static String simpleNameFor(AccessibleObject object) {
if (object instanceof Method) {
Method method = (Method) object;
return method.getDeclaringClass().getSimpleName() + '.' + method.getName()
+ argumentsToString(method.getParameterTypes());
}
if (object instanceof Constructor<?>) {
Constructor<?> constructor = (Constructor<?>) object;
return constructor.getDeclaringClass().getSimpleName() + argumentsToString(constructor.getParameterTypes());
}
throw new IllegalArgumentException("can only strignify constructors and methods");
}
}