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 /*
  * 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.commons.net.daytime;
import  org.apache.commons.net.SocketClient;

The DaytimeTCPClient class is a TCP implementation of a client for the Daytime protocol described in RFC 867. To use the class, merely establish a connection with connect and call getTime() to retrieve the daytime string, then call disconnect to close the connection properly.

See also:
DaytimeUDPClient
public final class DaytimeTCPClient extends SocketClient
{
    
The default daytime port. It is set to 13 according to RFC 867.
    public static final int DEFAULT_PORT = 13;
    // Received dates will likely be less than 64 characters.
    // This is a temporary buffer used while receiving data.
    private final char[] __buffer = new char[64];

    
The default DaytimeTCPClient constructor. It merely sets the default port to DEFAULT_PORT .
    public DaytimeTCPClient ()
    {
        setDefaultPort();
    }

    
Retrieves the time string from the server and returns it. The server will have closed the connection at this point, so you should call disconnect after calling this method. To retrieve another time, you must initiate another connection with connect before calling getTime() again.

Returns:
The time string retrieved from the server.
Throws:
IOException If an error occurs while fetching the time string.
    public String getTime() throws IOException
    {
        int read;
        StringBuilder result = new StringBuilder(.);
        BufferedReader reader;
        reader = new BufferedReader(new InputStreamReader(_input_, getCharsetName())); // Java 1.6 can use getCharset()
        while (true)
        {
            read = reader.read(, 0, .);
            if (read <= 0) {
                break;
            }
            result.append(, 0, read);
        }
        return result.toString();
    }
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