CountingOutInterceptor.java

/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF 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 limitations
 * under the License.
 */
package org.apache.cxf.metrics.interceptors;

import java.io.OutputStream;

import org.apache.cxf.interceptor.AttachmentOutInterceptor;
import org.apache.cxf.interceptor.Fault;
import org.apache.cxf.message.Message;
import org.apache.cxf.phase.AbstractPhaseInterceptor;
import org.apache.cxf.phase.Phase;

public class CountingOutInterceptor extends AbstractPhaseInterceptor<Message> {
    public CountingOutInterceptor() {
        super(Phase.PRE_STREAM);
        addBefore(AttachmentOutInterceptor.class.getName());
    }
    public void handleMessage(Message message) throws Fault {
        OutputStream out = message.getContent(OutputStream.class);
        if (out != null) {
            CountingOutputStream newOut = new CountingOutputStream(out);
            message.setContent(OutputStream.class, newOut);
            message.getExchange().put(CountingOutputStream.class, newOut);
        }
    }
}