org.wso2.msf4j.internal.router.TestChannelHandler.java Source code

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Here is the source code for org.wso2.msf4j.internal.router.TestChannelHandler.java

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/*
 * Copyright (c) 2016, WSO2 Inc. (http://wso2.com) All Rights Reserved.
 *
 * 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.wso2.msf4j.internal.router;

import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelOutboundHandlerAdapter;
import io.netty.channel.ChannelPromise;
import io.netty.handler.codec.http.HttpResponse;

/**
 * Test ChannelHandler that adds a default header to every response.
 */
public class TestChannelHandler extends ChannelOutboundHandlerAdapter {
    protected static final String HEADER_FIELD = "testHeaderField";
    protected static final String HEADER_VALUE = "testHeaderValue";

    /*@Override
    public void writeRequested(ChannelHandlerContext ctx, MessageEvent e) throws Exception {
      Object message = e.getMessage();
      if (!(message instanceof HttpResponse)) {
        super.writeRequested(ctx, e);
        return;
      }
      HttpResponse response = (HttpResponse) message;
      response.addHeader(HEADER_FIELD, HEADER_VALUE);
      super.writeRequested(ctx, e);
    }*/

    public void write(ChannelHandlerContext ctx, Object msg, ChannelPromise promise) {
        HttpResponse response = (HttpResponse) msg;
        response.headers().add(HEADER_FIELD, HEADER_VALUE);
        ctx.write(response, promise);
    }

    //    @Override
    //    protected void channelRead0(ChannelHandlerContext channelHandlerContext, HttpResponse response) throws Exception {
    //        response.headers().add(HEADER_FIELD, HEADER_VALUE);
    //    }
}