Examples of org.apache.commons.net.pop3.POP3Client

org.apache.commons.net.pop3.POP3MessageInfo
The POP3Client class implements the client side of the Internet POP3 Protocol defined in RFC 1939. All commands are supported, including the APOP command which requires MD5 encryption. See RFC 1939 for more details on the POP3 protocol.
Rather than list it separately for each method, we mention here that every method communicating with the server and throwing an IOException can also throw a {@link org.apache.commons.net.MalformedServerReplyException}, which is a subclass of IOException. A MalformedServerReplyException will be thrown when the reply received from the server deviates enough from the protocol specification that it cannot be interpreted in a useful manner despite attempts to be as lenient as possible.

@author Daniel F. Savarese @see POP3MessageInfo @see org.apache.commons.net.io.DotTerminatedMessageReader @see org.apache.commons.net.MalformedServerReplyException

            
            handler.add("valid", new MockMailbox(identifier));
            server = createServer(createProtocol(handler), address);
            server.bind();
            
            POP3Client client =  createClient();
            client.connect(address.getAddress().getHostAddress(), address.getPort());
            
            assertTrue(client.login("valid", "valid"));
            POP3MessageInfo[] info = client.listMessages();
            assertEquals(0, info.length);
            
            info = client.listUniqueIdentifiers();
            assertEquals(0, info.length);
            assertTrue(client.logout());
           
        } finally {
            if (server != null) {
                server.unbind();
            }

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            handler.add("valid", new MockMailbox(identifier, MESSAGE1, MESSAGE2));
            server = createServer(createProtocol(handler), address);
            server.bind();
            
            POP3Client client =  createClient();
            client.connect(address.getAddress().getHostAddress(), address.getPort());
            
            assertTrue(client.login("valid", "valid"));
            POP3MessageInfo[] info = client.listMessages();
            assertEquals(2, info.length);
            assertEquals((int) MESSAGE1.meta.getSize(), info[0].size);
            assertEquals((int) MESSAGE2.meta.getSize(), info[1].size);
            assertEquals(1, info[0].number);
            assertEquals(2, info[1].number);


            POP3MessageInfo mInfo = client.listMessage(1);
            assertEquals((int) MESSAGE1.meta.getSize(), mInfo.size);
            assertEquals(1, mInfo.number);


            // try to retrieve message that not exist
            mInfo = client.listMessage(10);
            assertNull(mInfo);


            info = client.listUniqueIdentifiers();
            assertEquals(2, info.length);
            assertEquals(identifier + "-" + MESSAGE1.meta.getUid(), info[0].identifier);
            assertEquals(identifier + "-" + MESSAGE2.meta.getUid(), info[1].identifier);
            assertEquals(1, info[0].number);
            assertEquals(2, info[1].number);


            mInfo = client.listUniqueIdentifier(1);
            assertEquals(identifier + "-" + MESSAGE1.meta.getUid(), mInfo.identifier);
            assertEquals(1, mInfo.number);


            // try to retrieve message that not exist
            mInfo = client.listUniqueIdentifier(10);
            assertNull(mInfo);
            
            assertTrue(client.logout());
           
        } finally {
            if (server != null) {
                server.unbind();
            }

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            factory.add("valid", new MockMailbox(identifier, MESSAGE1, MESSAGE2));
            server = createServer(createProtocol(factory), address);
            server.bind();
            
            POP3Client client =  createClient();
            client.connect(address.getAddress().getHostAddress(), address.getPort());
            
            assertTrue(client.login("valid", "valid"));
            Reader reader = client.retrieveMessage(1);
            assertNotNull(reader);
            checkMessage(MESSAGE1, reader);
            reader.close();
            
            // does not exist
            reader = client.retrieveMessage(10);
            assertNull(reader);
            
            
            // delete and check for the message again, should now be deleted
            assertTrue(client.deleteMessage(1));
            reader = client.retrieveMessage(1);
            assertNull(reader);


            
            assertTrue(client.logout());
           
        } finally {
            if (server != null) {
                server.unbind();
            }

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            factory.add("valid", new MockMailbox(identifier, MESSAGE1, MESSAGE2));
            server = createServer(createProtocol(factory), address);
            server.bind();
            
            POP3Client client =  createClient();
            client.connect(address.getAddress().getHostAddress(), address.getPort());
            
            assertTrue(client.login("valid", "valid"));
            Reader reader = client.retrieveMessageTop(1, 1000);
            assertNotNull(reader);
            checkMessage(MESSAGE1, reader);
            reader.close();
            
            reader = client.retrieveMessageTop(2, 1);
            assertNotNull(reader);
            checkMessage(MESSAGE2, reader,1);
            reader.close();
            
            // does not exist
            reader = client.retrieveMessageTop(10,100);
            assertNull(reader);
            
            // delete and check for the message again, should now be deleted
            assertTrue(client.deleteMessage(1));
            reader = client.retrieveMessageTop(1, 1000);
            assertNull(reader);


            assertTrue(client.logout());
           
        } finally {
            if (server != null) {
                server.unbind();
            }

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            factory.add("valid", new MockMailbox(identifier, MESSAGE1, MESSAGE2));
            server = createServer(createProtocol(factory), address);
            server.bind();
            
            POP3Client client =  createClient();
            client.connect(address.getAddress().getHostAddress(), address.getPort());
            
            assertTrue(client.login("valid", "valid"));
            POP3MessageInfo[] info = client.listMessages();
            assertEquals(2, info.length);
            
            assertTrue(client.deleteMessage(1));
            info = client.listMessages();
            assertEquals(1, info.length);


            
            assertFalse(client.deleteMessage(1));
            info = client.listMessages();
            assertEquals(1, info.length);
            
            
            assertTrue(client.deleteMessage(2));
            info = client.listMessages();
            assertEquals(0, info.length);
            
            // logout so the messages get expunged
            assertTrue(client.logout());


            client.connect(address.getAddress().getHostAddress(), address.getPort());
  
            assertTrue(client.login("valid", "valid"));
            info = client.listMessages();
            assertEquals(0, info.length);


            assertTrue(client.logout());
           
        } finally {
            if (server != null) {
                server.unbind();
            }

View Full Code Here


        Reader reader;
        POP3MessageInfo[] messages = null;


        MimeMessage mimeMsg = null;
        POP3Client pop3 = new POP3Client();
        // We want to timeout if a response takes longer than 60 seconds
        pop3.setDefaultTimeout(60000);


        for (int i = 0; i < 12; i++) {
            pop3.connect(pop3Host);


            if (!pop3.login(pop3User, pop3passwd)) {
                pop3.disconnect();
                AxisFault fault = new AxisFault("POP3", "( Could not login to server.  Check password. )", null, null);
                throw fault;
            }


            messages = pop3.listMessages();
            if (messages != null && messages.length > 0) {
                StringBuffer buffer = null;
                for (int j = 0; j < messages.length; j++) {
                    reader = pop3.retrieveMessage(messages[j].number);
                    if (reader == null) {
                        AxisFault fault = new AxisFault("POP3", "( Could not retrieve message header. )", null, null);
                        throw fault;
                    }


                    buffer = new StringBuffer();
                    BufferedReader bufferedReader = new BufferedReader(reader);
                    int ch;
                    while ((ch = bufferedReader.read()) != -1) {
                        buffer.append((char) ch);
                    }
                    bufferedReader.close();
                    if (buffer.toString().indexOf(id) != -1) {
                        ByteArrayInputStream bais = new ByteArrayInputStream(buffer.toString().getBytes());
                        Properties prop = new Properties();
                        Session session = Session.getDefaultInstance(prop, null);


                        mimeMsg = new MimeMessage(session, bais);
                        pop3.deleteMessage(messages[j].number);
                        break;
                    }
                    buffer = null;
                }
            }
            pop3.logout();
            pop3.disconnect();
            if (mimeMsg == null) {
                Thread.sleep(5000);
            } else {
                break;
            }
        }


        if (mimeMsg == null) {
            pop3.logout();
            pop3.disconnect();
            AxisFault fault = new AxisFault("POP3", "( Could not retrieve message list. )", null, null);
            throw fault;
        }


        String contentType = mimeMsg.getContentType();

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    public static final void main(String[] args)
    {
        int message;
        String server, username, password;
        POP3Client pop3;
        Reader reader;
        POP3MessageInfo[] messages;


        if (args.length < 3)
        {
            System.err.println(
                "Usage: messages <pop3 server hostname> <username> <password>");
            System.exit(1);
        }


        server = args[0];
        username = args[1];
        password = args[2];


        pop3 = new POP3Client();
        // We want to timeout if a response takes longer than 60 seconds
        pop3.setDefaultTimeout(60000);


        try
        {
            pop3.connect(server);
        }
        catch (IOException e)
        {
            System.err.println("Could not connect to server.");
            e.printStackTrace();
            System.exit(1);
        }


        try
        {
            if (!pop3.login(username, password))
            {
                System.err.println("Could not login to server.  Check password.");
                pop3.disconnect();
                System.exit(1);
            }


            messages = pop3.listMessages();


            if (messages == null)
            {
                System.err.println("Could not retrieve message list.");
                pop3.disconnect();
                System.exit(1);
            }
            else if (messages.length == 0)
            {
                System.out.println("No messages");
                pop3.logout();
                pop3.disconnect();
                System.exit(1);
            }


            for (message = 0; message < messages.length; message++)
            {
                reader = pop3.retrieveMessageTop(messages[message].number, 0);


                if (reader == null)
                {
                    System.err.println("Could not retrieve message header.");
                    pop3.disconnect();
                    System.exit(1);
                }


                printMessageInfo(new BufferedReader(reader), messages[message].number);
            }


            pop3.logout();
            pop3.disconnect();
        }
        catch (IOException e)
        {
            e.printStackTrace();
            System.exit(1);

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    assertThat((int) mailSizeRegular, equalTo(info[1].size));
    assertThat(info[0].number, equalTo(1));
    assertThat(info[1].number, equalTo(2));


    // LIST one message
    POP3MessageInfo msgInfo = client.listMessage(1);
    assertThat((int) mailSizeAttach, equalTo(msgInfo.size));
    assertThat(msgInfo.number, equalTo(1));


    // LIST message that does not exist
    msgInfo = client.listMessage(10);

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    client.connect(POP3_HOST, POP3_PORT);


    boolean loginSuccess = client.login(TEST_ACCOUNT, TEST_PASSWORD);
    assertThat(loginSuccess, is(true));


    POP3MessageInfo info = client.status();
    assertThat(info.size, equalTo((int) (mailSizeRegular + mailSizeAttach)));
    assertThat(info.number, equalTo(2));


    // Logout
    boolean logoutSuccess = client.logout();

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            assertEquals((int) MESSAGE1.meta.getSize(), info[0].size);
            assertEquals((int) MESSAGE2.meta.getSize(), info[1].size);
            assertEquals(1, info[0].number);
            assertEquals(2, info[1].number);


            POP3MessageInfo mInfo = client.listMessage(1);
            assertEquals((int) MESSAGE1.meta.getSize(), mInfo.size);
            assertEquals(1, mInfo.number);


            // try to retrieve message that not exist
            mInfo = client.listMessage(10);

View Full Code Here

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