com.rogiel.httpchannel.service.channel.LinkedUploadChannelContentBody.java Source code

Introduction

Here is the source code for com.rogiel.httpchannel.service.channel.LinkedUploadChannelContentBody.java

Source

/*
 * 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 com.rogiel.httpchannel.service.channel;

import java.io.IOException;
import java.io.OutputStream;
import java.nio.channels.Channels;
import java.nio.channels.WritableByteChannel;

import org.apache.http.entity.mime.content.AbstractContentBody;
import org.apache.http.entity.mime.content.ContentBody;

import com.rogiel.httpchannel.service.Uploader;

/**
 * {@link ContentBody} used to upload files in {@link Uploader} implementations.
 * 
 * @author <a href="http://www.rogiel.com">Rogiel</a>
 * @since 1.0
 */
public class LinkedUploadChannelContentBody extends AbstractContentBody {
    private final LinkedUploadChannel channel;

    public LinkedUploadChannelContentBody(LinkedUploadChannel channel) {
        super("application/octet-stream");
        this.channel = channel;
    }

    @Override
    public String getFilename() {
        return channel.filename();
    }

    @Override
    public void writeTo(OutputStream out) throws IOException {
        final WritableByteChannel outputChannel = Channels.newChannel(out);
        channel.linkChannel(outputChannel);
        while (channel.isOpen() && outputChannel.isOpen()) {
            try {
                Thread.sleep(50);
            } catch (InterruptedException e) {
            }
        }
    }

    @Override
    public String getCharset() {
        return null;
    }

    @Override
    public long getContentLength() {
        return channel.size();
    }

    @Override
    public String getTransferEncoding() {
        return "binary";
    }
}