Android Open Source - EasyCast Device Connection

From Project

Back to project page EasyCast.
License

The source code is released under:
Apache License
If you think the Android project EasyCast listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.
Java Source Code

package com.laer.easycast;
//from w  ww.j  a va2s .co m
/**
 * Created by Parth on 09-11-2014.
 */

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.net.Socket;
import java.util.logging.Level;
import java.util.logging.Logger;

/**
 * Copyright (c) 2011 Carson McDonald
 * <p/>
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * <p/>
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * <p/>
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 * <p/>
 * This class manages the connection to an AirPlay device.
 */
public class DeviceConnection {
    private static Logger logger = Logger.getLogger(DeviceConnection.class.getName());

    private Device device;
    private Socket socket;

    public DeviceConnection(Device device) {
        this.device = device;
    }

    public void close() {
        if (socket != null) {
            try {
                socket.close();
            } catch (IOException e) {
                // ignore anything here
            }
        }
    }

    public DeviceResponse sendCommand(DeviceCommand command) {
        if (socket == null || socket.isClosed()) {
            try {
                socket = new Socket(device.getInetAddress(), device.getPort());
            } catch (IOException e) {
                logger.log(Level.SEVERE, e.getMessage(), e);
                throw new RuntimeException(e.getMessage(), e);
            }
        }

        try {
            BufferedReader deviceInput = new BufferedReader(new InputStreamReader(socket.getInputStream()));
            BufferedWriter deviceOutput = new BufferedWriter(new OutputStreamWriter(socket.getOutputStream()));

            String commandString = command.getCommandString();
            deviceOutput.write(commandString + "\n");
            deviceOutput.flush();

            StringBuffer fullResponse = new StringBuffer();
            String partialResponse;
            while (!(partialResponse = deviceInput.readLine().trim()).equals("")) {
                fullResponse.append(partialResponse);
                fullResponse.append("\n");
            }

            int contentLength = 0;
            if (fullResponse.indexOf("Content-Length:") != -1) {
                String cls = "Content-Length:";
                int si = fullResponse.indexOf(cls);
                int ei = fullResponse.indexOf("\n", si + cls.length());
                contentLength = Integer.parseInt(fullResponse.substring(si + cls.length(), ei).trim());
            }

            StringBuffer content = null;
            if (contentLength > 0) {
                content = new StringBuffer(contentLength);
                char buffer[] = new char[1024];
                int read, totalRead = 0;
                do {
                    read = deviceInput.read(buffer);
                    totalRead += read;
                    content.append(buffer, 0, read);
                } while (read != -1 && totalRead < contentLength);
            }

            return new DeviceResponse(fullResponse.toString(), content == null ? null : content.toString());
        } catch (IOException e) {
            logger.log(Level.SEVERE, e.getMessage(), e);
            throw new RuntimeException(e.getMessage(), e);
        }
    }
}
Java Source Code List
