| %line | %branch | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| org.apache.commons.net.DaytimeTCPClient |
|
|
| 1 | /* |
|
| 2 | * Copyright 2001-2005 The Apache Software Foundation |
|
| 3 | * |
|
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
|
| 5 | * you may not use this file except in compliance with the License. |
|
| 6 | * You may obtain a copy of the License at |
|
| 7 | * |
|
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
|
| 9 | * |
|
| 10 | * Unless required by applicable law or agreed to in writing, software |
|
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
|
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
|
| 13 | * See the License for the specific language governing permissions and |
|
| 14 | * limitations under the License. |
|
| 15 | */ |
|
| 16 | package org.apache.commons.net; |
|
| 17 | ||
| 18 | import java.io.BufferedReader; |
|
| 19 | import java.io.IOException; |
|
| 20 | import java.io.InputStreamReader; |
|
| 21 | ||
| 22 | /*** |
|
| 23 | * The DaytimeTCPClient class is a TCP implementation of a client for the |
|
| 24 | * Daytime protocol described in RFC 867. To use the class, merely |
|
| 25 | * establish a connection with |
|
| 26 | * {@link org.apache.commons.net.SocketClient#connect connect } |
|
| 27 | * and call {@link #getTime getTime() } to retrieve the daytime |
|
| 28 | * string, then |
|
| 29 | * call {@link org.apache.commons.net.SocketClient#disconnect disconnect } |
|
| 30 | * to close the connection properly. |
|
| 31 | * <p> |
|
| 32 | * <p> |
|
| 33 | * @author Daniel F. Savarese |
|
| 34 | * @see DaytimeUDPClient |
|
| 35 | ***/ |
|
| 36 | ||
| 37 | public final class DaytimeTCPClient extends SocketClient |
|
| 38 | { |
|
| 39 | /*** The default daytime port. It is set to 13 according to RFC 867. ***/ |
|
| 40 | public static final int DEFAULT_PORT = 13; |
|
| 41 | ||
| 42 | // Received dates will likely be less than 64 characters. |
|
| 43 | // This is a temporary buffer used while receiving data. |
|
| 44 | 0 | private char[] __buffer = new class="keyword">char[64]; |
| 45 | ||
| 46 | /*** |
|
| 47 | * The default DaytimeTCPClient constructor. It merely sets the default |
|
| 48 | * port to <code> DEFAULT_PORT </code>. |
|
| 49 | ***/ |
|
| 50 | public DaytimeTCPClient () |
|
| 51 | 0 | { |
| 52 | 0 | setDefaultPort(DEFAULT_PORT); |
| 53 | 0 | } |
| 54 | ||
| 55 | /*** |
|
| 56 | * Retrieves the time string from the server and returns it. The |
|
| 57 | * server will have closed the connection at this point, so you should |
|
| 58 | * call |
|
| 59 | * {@link org.apache.commons.net.SocketClient#disconnect disconnect } |
|
| 60 | * after calling this method. To retrieve another time, you must |
|
| 61 | * initiate another connection with |
|
| 62 | * {@link org.apache.commons.net.SocketClient#connect connect } |
|
| 63 | * before calling <code> getTime() </code> again. |
|
| 64 | * <p> |
|
| 65 | * @return The time string retrieved from the server. |
|
| 66 | * @exception IOException If an error occurs while fetching the time string. |
|
| 67 | ***/ |
|
| 68 | public String getTime() throws IOException |
|
| 69 | { |
|
| 70 | int read; |
|
| 71 | 0 | StringBuffer result = new StringBuffer(__buffer.length); |
| 72 | BufferedReader reader; |
|
| 73 | ||
| 74 | 0 | reader = new BufferedReader(class="keyword">new InputStreamReader(_input_)); |
| 75 | ||
| 76 | while (true) |
|
| 77 | { |
|
| 78 | 0 | read = reader.read(__buffer, 0, __buffer.length); |
| 79 | 0 | if (read <= 0) |
| 80 | 0 | break; |
| 81 | 0 | result.append(__buffer, 0, read); |
| 82 | } |
|
| 83 | ||
| 84 | 0 | return result.toString(); |
| 85 | } |
|
| 86 | ||
| 87 | } |
|
| 88 |
| This report is generated by jcoverage, Maven and Maven JCoverage Plugin. |