org.esigate.http.DeleteResponseHeader Maven / Gradle / Ivy
/*
* 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.esigate.http;
import org.esigate.events.Event;
import org.esigate.events.EventDefinition;
import org.esigate.events.IEventListener;
import org.esigate.events.impl.ProxyEvent;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Proxy event listener which deletes an header.
*
* Delete from both response and error page.
*
* @author Nicolas Richeton
*
*/
public class DeleteResponseHeader implements IEventListener {
private static final Logger LOG = LoggerFactory.getLogger(DeleteResponseHeader.class);
private final String name;
/**
* Delete header 'name'.
*
* @param name
* name of header to delete.
*/
public DeleteResponseHeader(String name) {
this.name = name;
}
@Override
public boolean event(EventDefinition id, Event event) {
ProxyEvent fEvent = (ProxyEvent) event;
if (fEvent.getResponse() != null && fEvent.getResponse().containsHeader(this.name)) {
LOG.info("Deleting header {} ", this.name);
fEvent.getResponse().removeHeaders(this.name);
}
if (fEvent.getErrorPage() != null && fEvent.getErrorPage().getHttpResponse() != null
&& fEvent.getErrorPage().getHttpResponse().containsHeader(this.name)) {
LOG.info("Deleting header {} ", this.name);
fEvent.getErrorPage().getHttpResponse().removeHeaders(this.name);
}
return true;
}
}