cms/util/Smtp.java

//---PACKAGE DECLARATION---
package uk.ac.ukc.iscream.util;

//---IMPORTS---
import java.net.*;
import java.io.*;

/**
 * The Simple Mail Transfer Protocol class. This class was borrowed
 * for the GJT, and scaled to do just what we require.
 *
 * @author  $Author: tdb1 $
 * @version $Id: Smtp.java,v 1.1 2001/02/05 03:14:15 tdb1 Exp $
 */
public class Smtp {

//---FINAL ATTRIBUTES---

    /**
     * The current CVS revision of this class
     */
    public static final String REVISION = "$Revision: 1.1 $";
    
//---STATIC METHODS---

//---CONSTRUCTORS---

    /**
     * Connects to the specified SMTP server
     *
     * @param server The SMTP server to use
     */
    public Smtp(String server) throws IOException {
        this(server, 25);
    }

    /**
     * Connects to the specified SMTP server on a given port
     *
     * @param server The SMTP server to use
     * @param port The SMTP server port
     */
    public Smtp(String server, int port) throws IOException {
        _socket = new Socket(server, port);
        _socketIn = new BufferedReader(new InputStreamReader(_socket.getInputStream()));
        _socketOut = new PrintWriter(new BufferedWriter(new OutputStreamWriter(_socket.getOutputStream())), true);
        _socketIn.readLine(); // get 220 welcome header
        sendCommand("HELO " + InetAddress.getLocalHost().getHostName(), 250);
    }

//---PUBLIC METHODS---

    /**
     * closes the connection
     */
    public void close() throws IOException {
        sendCommand("QUIT", 221);
        _socketIn.close();
        _socketOut.close();
        _socket.close();
    }

    /**
     * Who is this message from? specify with this command.
     */
    public void from(String from) throws IOException {
        sendCommand("MAIL FROM: <" + from + ">", 250);
    }

    /**
      * Who should this message go to? Specify with this command.
      */
    public void to(String to) throws IOException {
        sendCommand("RCPT TO: <" + to + ">", 250);
    }

    /**
      * gets the outputstream
     */
    public PrintWriter getOutputStream() throws IOException {
        sendCommand("DATA", 354);
        return _socketOut;
    }

    /**
     * Sends current message.
     */
    public void sendMessage() throws IOException {
        sendCommand(".", 250);
    }

    /**
     * Sends a command to the server
     *
     * @param cmd The command to send
     * @param reply The expected reply-code
     */
    public void sendCommand(String cmd, int reply) throws IOException {
        _socketOut.println(cmd);
        String temp = _socketIn.readLine();
        if (!temp.startsWith("" + reply)) {
            throw new IOException ("Expected " + reply + ", got " + temp);
        }
    }

    /**
     * Overrides the {@link java.lang.Object#toString() Object.toString()}
     * method to provide clean logging (every class should have this).
     *
     * This uses the uk.ac.ukc.iscream.util.FormatName class
     * to format the toString()
     *
     * @return the name of this class and its CVS revision
     */
    public String toString() {
        return FormatName.getName(
            _name,
            getClass().getName(),
            REVISION);
    }

//---PRIVATE METHODS---

//---ACCESSOR/MUTATOR METHODS---

//---ATTRIBUTES---

    /**
     * This is the friendly identifier of the
     * component this class is running in.
     * eg, a Filter may be called "filter1",
     * If this class does not have an owning
     * component,  a name from the configuration
     * can be placed here.  This name could also
     * be changed to null for utility classes.
     */
    private String _name = null;

    /** from the server */
    private BufferedReader _socketIn;

    /** to the server */
    private PrintWriter _socketOut;

    /** The socket to use for this connection */
    private Socket _socket;
    
//---STATIC ATTRIBUTES---

}

Revision:	1.2
Committed:	Mon Feb 5 04:03:07 2001 UTC (23 years, 2 months ago) by tdb
Branch:	MAIN
Changes since 1.1:	+4 -3 lines
Log Message:	Looks like I was a bit keen on the tidying up :)
#	User	Rev	Content
1	tdb	1.1	//---PACKAGE DECLARATION---
2			package uk.ac.ukc.iscream.util;
3
4			//---IMPORTS---
5			import java.net.*;
6			import java.io.*;
7
8			/**
9			* The Simple Mail Transfer Protocol class. This class was borrowed
10			* for the GJT, and scaled to do just what we require.
11			*
12	tdb	1.2	* @author $Author: tdb1 $
13			* @version $Id: Smtp.java,v 1.1 2001/02/05 03:14:15 tdb1 Exp $
14	tdb	1.1	*/
15			public class Smtp {
16
17			//---FINAL ATTRIBUTES---
18
19			/**
20			* The current CVS revision of this class
21			*/
22			public static final String REVISION = "$Revision: 1.1 $";
23
24			//---STATIC METHODS---
25
26			//---CONSTRUCTORS---
27
28			/**
29			* Connects to the specified SMTP server
30			*
31			* @param server The SMTP server to use
32			*/
33			public Smtp(String server) throws IOException {
34			this(server, 25);
35			}
36
37			/**
38			* Connects to the specified SMTP server on a given port
39			*
40			* @param server The SMTP server to use
41			* @param port The SMTP server port
42			*/
43			public Smtp(String server, int port) throws IOException {
44			_socket = new Socket(server, port);
45			_socketIn = new BufferedReader(new InputStreamReader(_socket.getInputStream()));
46	tdb	1.2	_socketOut = new PrintWriter(new BufferedWriter(new OutputStreamWriter(_socket.getOutputStream())), true);
47			_socketIn.readLine(); // get 220 welcome header
48	tdb	1.1	sendCommand("HELO " + InetAddress.getLocalHost().getHostName(), 250);
49			}
50
51			//---PUBLIC METHODS---
52
53			/**
54			* closes the connection
55			*/
56			public void close() throws IOException {
57			sendCommand("QUIT", 221);
58			_socketIn.close();
59			_socketOut.close();
60			_socket.close();
61			}
62
63			/**
64			* Who is this message from? specify with this command.
65			*/
66			public void from(String from) throws IOException {
67			sendCommand("MAIL FROM: <" + from + ">", 250);
68			}
69
70			/**
71			* Who should this message go to? Specify with this command.
72			*/
73			public void to(String to) throws IOException {
74			sendCommand("RCPT TO: <" + to + ">", 250);
75			}
76
77			/**
78			* gets the outputstream
79			*/
80			public PrintWriter getOutputStream() throws IOException {
81			sendCommand("DATA", 354);
82			return _socketOut;
83			}
84
85			/**
86			* Sends current message.
87			*/
88			public void sendMessage() throws IOException {
89			sendCommand(".", 250);
90			}
91
92			/**
93			* Sends a command to the server
94			*
95			* @param cmd The command to send
96			* @param reply The expected reply-code
97			*/
98			public void sendCommand(String cmd, int reply) throws IOException {
99			_socketOut.println(cmd);
100			String temp = _socketIn.readLine();
101			if (!temp.startsWith("" + reply)) {
102			throw new IOException ("Expected " + reply + ", got " + temp);
103			}
104			}
105
106			/**
107			* Overrides the {@link java.lang.Object#toString() Object.toString()}
108			* method to provide clean logging (every class should have this).
109			*
110			* This uses the uk.ac.ukc.iscream.util.FormatName class
111			* to format the toString()
112			*
113			* @return the name of this class and its CVS revision
114			*/
115			public String toString() {
116			return FormatName.getName(
117			_name,
118			getClass().getName(),
119			REVISION);
120			}
121
122			//---PRIVATE METHODS---
123
124			//---ACCESSOR/MUTATOR METHODS---
125
126			//---ATTRIBUTES---
127
128			/**
129			* This is the friendly identifier of the
130			* component this class is running in.
131			* eg, a Filter may be called "filter1",
132			* If this class does not have an owning
133			* component, a name from the configuration
134			* can be placed here. This name could also
135			* be changed to null for utility classes.
136			*/
137			private String _name = null;
138
139			/** from the server */
140			private BufferedReader _socketIn;
141
142			/** to the server */
143			private PrintWriter _socketOut;
144
145			/** The socket to use for this connection */
146			private Socket _socket;
147
148			//---STATIC ATTRIBUTES---
149
150			}
151