org.wso2.carbon.http2.transport.util.http2Encoder.java Source code

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Here is the source code for org.wso2.carbon.http2.transport.util.http2Encoder.java

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/*
 *   Copyright (c) 2016, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
 *
 *   WSO2 Inc. 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.wso2.carbon.http2.transport.util;

import io.netty.buffer.Unpooled;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelPromise;
import io.netty.handler.codec.http2.Http2ConnectionEncoder;
import org.apache.http.nio.ContentEncoder;

import java.io.IOException;
import java.nio.ByteBuffer;

/**
 * Encoder to consume Pass-through-pipe and write data-frames on wire
 */
public class http2Encoder implements ContentEncoder {
    ChannelHandlerContext chContext;
    int streamId;
    Http2ConnectionEncoder encoder;
    ChannelPromise promise;
    boolean isComplete = false;

    public http2Encoder(ChannelHandlerContext chContext, int streamId, Http2ConnectionEncoder encoder,
            ChannelPromise promise) {
        this.chContext = chContext;
        this.streamId = streamId;
        this.encoder = encoder;
        this.promise = promise;

    }

    @Override
    public int write(ByteBuffer src) throws IOException {
        int l = 0;
        //channel.newPromise();

        while (src.hasRemaining()) {
            byte[] b;//= new byte[chContext.channel().alloc().buffer().capacity()];
            //  if(src.remaining()<b.length){
            b = new byte[src.remaining()];
            src.get(b);
            // request.replace(Unpooled.wrappedBuffer(b));
            if (src.hasRemaining())
                encoder.writeData(chContext, streamId, Unpooled.wrappedBuffer(b), 0, false, promise);
            else {
                encoder.writeData(chContext, streamId, Unpooled.wrappedBuffer(b), 0, true, promise);
                isComplete = true;
            }
        }

        return src.position();
    }

    @Override
    public void complete() throws IOException {

    }

    @Override
    public boolean isCompleted() {
        return isComplete;
    }
}