org.springframework.integration.filter.MethodInvokingSelector Maven / Gradle / Ivy
/*
* Copyright 2002-2019 the original author or authors.
*
* 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
*
* https://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.springframework.integration.filter;
import java.lang.reflect.Method;
import org.springframework.integration.annotation.Filter;
import org.springframework.integration.handler.MessageProcessor;
import org.springframework.integration.handler.MethodInvokingMessageProcessor;
import org.springframework.util.Assert;
/**
* A method-invoking implementation of
* {@link org.springframework.integration.core.MessageSelector}.
*
* @author Mark Fisher
* @author Artem Bilan
* @author Gary Russell
*/
public class MethodInvokingSelector extends AbstractMessageProcessingSelector {
public MethodInvokingSelector(Object object, Method method) {
super(new MethodInvokingMessageProcessor(object, method));
Class returnType = method.getReturnType();
Assert.isTrue(boolean.class.isAssignableFrom(returnType)
|| Boolean.class.isAssignableFrom(returnType),
"MethodInvokingSelector method must return a boolean result.");
}
public MethodInvokingSelector(Object object, String methodName) {
super(new MethodInvokingMessageProcessor(object, methodName));
}
@SuppressWarnings("unchecked")
public MethodInvokingSelector(Object object) {
super(object instanceof MessageProcessor ? (MessageProcessor) object :
new MethodInvokingMessageProcessor(object, Filter.class));
}
}