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root/i-scream/projects/cms/source/util/uk/org/iscream/cms/util/Smtp.java

Comparing projects/cms/source/util/uk/org/iscream/cms/util/Smtp.java (file contents):
Revision 1.2 by tdb, Mon Feb 5 04:03:07 2001 UTC vs.
Revision 1.8 by tdb, Fri Feb 8 16:09:27 2002 UTC

#	Line 1 | Line 1
1		//---PACKAGE DECLARATION---
2	<	package uk.ac.ukc.iscream.util;
2	>	package uk.org.iscream.cms.server.util;
3
4		//---IMPORTS---
5		import java.net.*;
#	Line 26 | Line 26 | public class Smtp {
26		//---CONSTRUCTORS---
27
28		/**
29	<	* Connects to the specified SMTP server
29	>	* Connects to the specified SMTP server, on the default
30	>	* (and standard) port 25.
31		*
32		* @param server The SMTP server to use
33	+	* @throws IOException if the connection to the server fails
34		*/
35		public Smtp(String server) throws IOException {
36		this(server, 25);
37		}
38	<
38	>
39		/**
40		* Connects to the specified SMTP server on a given port
41		*
42		* @param server The SMTP server to use
43		* @param port The SMTP server port
44	+	* @throws IOException if the connection to the server fails
45		*/
46		public Smtp(String server, int port) throws IOException {
47		_socket = new Socket(server, port);
48		_socketIn = new BufferedReader(new InputStreamReader(_socket.getInputStream()));
49	<	_socketOut = new PrintWriter(new BufferedWriter(new OutputStreamWriter(_socket.getOutputStream())), true);
50	<	_socketIn.readLine(); // get 220 welcome header
48	<	sendCommand("HELO " + InetAddress.getLocalHost().getHostName(), 250);
49	>	_socketOut = new PrintWriter(_socket.getOutputStream(), true);
50	>	init();
51		}
52
53		//---PUBLIC METHODS---
54
55		/**
56	<	* closes the connection
56	>	* Closes down the connection to the server
57	>	*
58	>	* @throws IOException if the command fails
59		*/
60		public void close() throws IOException {
61		sendCommand("QUIT", 221);
#	Line 59 | Line 63 | public class Smtp {
63		_socketOut.close();
64		_socket.close();
65		}
66	<
66	>
67		/**
68	<	* Who is this message from? specify with this command.
68	>	* Specify who the message is from
69	>	*
70	>	* @param sender the e-mail address of the sender
71	>	* @throws IOException if the command fails
72		*/
73	<	public void from(String from) throws IOException {
74	<	sendCommand("MAIL FROM: <" + from + ">", 250);
73	>	public void setSender(String sender) throws IOException {
74	>	sendCommand("MAIL FROM: <" + sender + ">", 250);
75		}
76	<
76	>
77		/**
78	<	* Who should this message go to? Specify with this command.
78	>	* Specify who the message is to be sent to
79	>	*
80	>	* @param to the e-mail address of the receiver
81	>	* @throws IOException if the command fails
82		*/
83	<	public void to(String to) throws IOException {
83	>	public void setTo(String to) throws IOException {
84		sendCommand("RCPT TO: <" + to + ">", 250);
85		}
86	<
86	>
87		/**
88	<	* gets the outputstream
88	>	* Gets the PrintWriter allowing data to be sent
89	>	* directly to the SMTP server
90	>	*
91	>	* @return a reference to the PrintWriter
92	>	* @throws IOException if the command fails
93		*/
94		public PrintWriter getOutputStream() throws IOException {
95		sendCommand("DATA", 354);
96		return _socketOut;
97		}
98	<
98	>
99		/**
100	<	* Sends current message.
100	>	* Completes and sends the current message
101	>	*
102	>	* @throws IOException if the command fails
103		*/
104		public void sendMessage() throws IOException {
105		sendCommand(".", 250);
106		}
107	<
107	>
108		/**
109		* Sends a command to the server
110		*
111		* @param cmd The command to send
112		* @param reply The expected reply-code
113	+	* @throws IOException if the incorrect response code is received
114		*/
115		public void sendCommand(String cmd, int reply) throws IOException {
116		_socketOut.println(cmd);
117		String temp = _socketIn.readLine();
118	<	if (!temp.startsWith("" + reply)) {
118	>	if (temp == null) {
119	>	throw new IOException ("IO error reading from socket, connection to server died?");
120	>	}
121	>	if (!temp.startsWith(String.valueOf(reply))) {
122		throw new IOException ("Expected " + reply + ", got " + temp);
123		}
124		}
125	<
125	>
126		/**
127		* Overrides the {@link java.lang.Object#toString() Object.toString()}
128		* method to provide clean logging (every class should have this).
129		*
130	<	* This uses the uk.ac.ukc.iscream.util.FormatName class
130	>	* This uses the uk.org.iscream.cms.server.util.FormatName class
131		* to format the toString()
132		*
133		* @return the name of this class and its CVS revision
#	Line 121 | Line 141 | public class Smtp {
141
142		//---PRIVATE METHODS---
143
144	+	/**
145	+	* Check the server sends a 220 message, and
146	+	* then send our HELO.
147	+	*
148	+	* @throws IOException if something goes wrong
149	+	*/
150	+	private void init() throws IOException {
151	+	String temp = _socketIn.readLine();
152	+	// skip over any 220- lines
153	+	while(temp != null && temp.startsWith("220-")) {
154	+	temp = _socketIn.readLine();
155	+	}
156	+	// check if we got a 220 welcome header
157	+	if(temp == null || !temp.startsWith("220 ")) {
158	+	throw new IOException ("Server did not initialise with a 220 message");
159	+	}
160	+	// server gave a 220, it's ok to do a HELO
161	+	sendCommand("HELO " + InetAddress.getLocalHost().getHostName(), 250);
162	+	}
163	+
164		//---ACCESSOR/MUTATOR METHODS---
165
166		//---ATTRIBUTES---
#	Line 135 | Line 175 | public class Smtp {
175		* be changed to null for utility classes.
176		*/
177		private String _name = null;
178	<
179	<	/** from the server */
178	>
179	>	/**
180	>	* A reference to the Reader connected to the server
181	>	*/
182		private BufferedReader _socketIn;
183	<
184	<	/** to the server */
183	>
184	>	/**
185	>	* A reference to the Writer connected to the server
186	>	*/
187		private PrintWriter _socketOut;
188	<
189	<	/** The socket to use for this connection */
188	>
189	>	/**
190	>	* A reference to the Socket connected to the server
191	>	*/
192		private Socket _socket;
193
194		//---STATIC ATTRIBUTES---

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