List of retrieveMessageTop() Examples

Examples of retrieveMessageTop()

org.apache.commons.net.pop3.POP3Client.retrieveMessageTop()
Retrieve only the specified top number of lines of a message from the POP3 server. A retrieve top lines attempt can only succeed if the client is in the {@link org.apache.commons.net.pop3.POP3#TRANSACTION_STATE TRANSACTION_STATE }. Returns a DotTerminatedMessageReader instance from which the specified top number of lines of the message can be read. Returns null if the retrieval attempt fails (e.g., if the specified message number does not exist).
You must not issue any commands to the POP3 server (i.e., call any other methods) until you finish reading the message from the returned Reader instance. The POP3 protocol uses the same stream for issuing commands as it does for returning results. Therefore the returned Reader actually reads directly from the POP3 connection. After the end of message has been reached, new commands can be executed and their replies read. If you do not follow these requirements, your program will not work properly.
@param messageId The number of the message to fetch. @param numLines The top number of lines to fetch. This must be >= 0. @return A DotTerminatedMessageReader instancefrom which the specified top number of lines of the message can be read. Returns null if the retrieval attempt fails (e.g., if the specified message number does not exist). @exception IOException If a network I/O error occurs in the process ofsending the top command.

Examples of org.apache.commons.net.pop3.POP3Client.retrieveMessageTop()

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


    // TOP message with all lines
    Reader topMessage = client.retrieveMessageTop(1, 1000);
    assertThat(topMessage, notNullValue());
    checkMessage(EMAIL_SIMPLE, topMessage);
    topMessage.close();


    // TOP message with 5 lines

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Examples of org.apache.commons.net.pop3.POP3Client.retrieveMessageTop()

    assertThat(topMessage, notNullValue());
    checkMessage(EMAIL_SIMPLE, topMessage);
    topMessage.close();


    // TOP message with 5 lines
    topMessage = client.retrieveMessageTop(1, 5);
    assertThat(topMessage, notNullValue());
    checkMessage(EMAIL_SIMPLE, topMessage, 5);
    topMessage.close();


    // TOP non-existing message

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Examples of org.apache.commons.net.pop3.POP3Client.retrieveMessageTop()

    assertThat(topMessage, notNullValue());
    checkMessage(EMAIL_SIMPLE, topMessage, 5);
    topMessage.close();


    // TOP non-existing message
    topMessage = client.retrieveMessageTop(10, 10);
    assertThat(topMessage, nullValue());


    // Delete and TOP the message again
    boolean deleteResult = client.deleteMessage(1);
    assertThat(deleteResult, is(true));

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Examples of org.apache.commons.net.pop3.POP3Client.retrieveMessageTop()


    // Delete and TOP the message again
    boolean deleteResult = client.deleteMessage(1);
    assertThat(deleteResult, is(true));


    topMessage = client.retrieveMessageTop(1, 1000);
    assertThat(topMessage, nullValue());
  }


  private void checkMessage(String message, Reader reader) throws IOException {
    checkMessage(message, reader, null);

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Examples of org.apache.commons.net.pop3.POP3Client.retrieveMessageTop()

                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();

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Examples of org.apache.commons.net.pop3.POP3Client.retrieveMessageTop()

                pop3.disconnect();
                return;
            }


            for (POP3MessageInfo msginfo : messages) {
                BufferedReader reader = (BufferedReader) pop3.retrieveMessageTop(msginfo.number, 0);


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

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Examples of org.apache.commons.net.pop3.POP3Client.retrieveMessageTop()

                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();

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Examples of org.apache.commons.net.pop3.POP3Client.retrieveMessageTop()

            
            POP3Client client =  new POP3Client();
            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);

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Examples of org.apache.commons.net.pop3.POP3Client.retrieveMessageTop()

            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

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Examples of org.apache.commons.net.pop3.POP3Client.retrieveMessageTop()

            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);

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