com.predic8.membrane.core.interceptor.MethodOverrideInterceptor Maven / Gradle / Ivy
/*
* Copyright 2017 predic8 GmbH, www.predic8.com
*
* 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 com.predic8.membrane.core.interceptor;
import com.predic8.membrane.annot.MCElement;
import com.predic8.membrane.core.exchange.Exchange;
import com.predic8.membrane.core.http.EmptyBody;
import com.predic8.membrane.core.http.Header;
import com.predic8.membrane.core.http.Request;
import java.io.IOException;
@MCElement(name="methodOverride")
public class MethodOverrideInterceptor extends AbstractInterceptor {
@Override
public Outcome handleRequest(Exchange exc) throws Exception {
String methodHeader = exc.getRequest().getHeader().getFirstValue(Header.X_HTTP_METHOD_OVERRIDE);
if(methodHeader == null)
return Outcome.CONTINUE;
switch(methodHeader){
case "GET": handleGet(exc);
break;
}
exc.getRequest().getHeader().removeFields(Header.X_HTTP_METHOD_OVERRIDE);
return Outcome.CONTINUE;
}
private void handleGet(Exchange exc) throws IOException {
Request req = exc.getRequest();
req.readBody();
req.setBody(new EmptyBody());
req.getHeader().removeFields(Header.CONTENT_LENGTH);
req.getHeader().removeFields(Header.CONTENT_TYPE);
req.setMethod("GET");
}
}