Examples of org.apache.commons.net.pop3.POP3MessageInfo

org.apache.commons.net.pop3.POP3MessageInfo
POP3MessageInfo is used to return information about messages stored on a POP3 server. Its fields are used to mean slightly different things depending on the information being returned.
In response to a status command, number contains the number of messages in the mailbox, size contains the size of the mailbox in bytes, and identifier is null.
In response to a message listings, number contains the message number, size contains the size of the message in bytes, and identifier is null.
In response to unique identifier listings, number contains the message number, size is undefined, and identifier contains the message's unique identifier.

@author Daniel F. Savarese

            
            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();
            }

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        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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