org.opensaml.ws.message.handler.BasicHandlerChain Maven / Gradle / Ivy
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* Licensed to the University Corporation for Advanced Internet Development,
* Inc. (UCAID) under one or more contributor license agreements. See the
* NOTICE file distributed with this work for additional information regarding
* copyright ownership. The UCAID 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
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*/
package org.opensaml.ws.message.handler;
import java.util.List;
import org.opensaml.ws.message.MessageContext;
import org.opensaml.xml.util.LazyList;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* A basic implementation of {@link HandlerChain}.
*/
public class BasicHandlerChain implements HandlerChain {
/** Class logger. */
private final Logger log = LoggerFactory.getLogger(BasicHandlerChain.class);
/** The handler chain. */
private List handlers;
/** Constructor. */
public BasicHandlerChain() {
handlers = new LazyList();
}
/** {@inheritDoc} */
public List getHandlers() {
return handlers;
}
/** {@inheritDoc} */
public void invoke(MessageContext msgContext) throws HandlerException {
log.trace("Invoking handler chain");
for (Handler handler : getHandlers()) {
log.trace("Invoking handler: {}", handler.getClass().getName());
handler.invoke(msgContext);
}
}
}
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