Example usage for org.springframework.integration.mail ImapMailReceiver setMaxFetchSize

Introduction

In this page you can find the example usage for org.springframework.integration.mail ImapMailReceiver setMaxFetchSize.

Prototype

public void setMaxFetchSize(int maxFetchSize) 

Source Link

Document

Specify the maximum number of Messages to fetch per call to #receive() .

Usage

From source file:org.springframework.integration.mail.ImapMailReceiverTests.java

public void testIdleWithServerGuts(ImapMailReceiver receiver, boolean mapped, boolean simple) throws Exception {
    imapIdleServer.resetServer();// w ww.ja v  a2 s. c  om
    Properties mailProps = new Properties();
    mailProps.put("mail.debug", "true");
    mailProps.put("mail.imap.connectionpool.debug", "true");
    receiver.setJavaMailProperties(mailProps);
    receiver.setMaxFetchSize(1);
    receiver.setShouldDeleteMessages(false);
    receiver.setShouldMarkMessagesAsRead(true);
    receiver.setCancelIdleInterval(8);
    ThreadPoolTaskScheduler taskScheduler = new ThreadPoolTaskScheduler();
    setUpScheduler(receiver, taskScheduler);
    receiver.setUserFlag("testSIUserFlag");
    receiver.afterPropertiesSet();
    Log logger = spy(TestUtils.getPropertyValue(receiver, "logger", Log.class));
    new DirectFieldAccessor(receiver).setPropertyValue("logger", logger);
    ImapIdleChannelAdapter adapter = new ImapIdleChannelAdapter(receiver);
    QueueChannel channel = new QueueChannel();
    adapter.setOutputChannel(channel);
    adapter.setTaskScheduler(taskScheduler);
    adapter.start();
    if (!mapped) {
        @SuppressWarnings("unchecked")
        org.springframework.messaging.Message<MimeMessage> received = (org.springframework.messaging.Message<MimeMessage>) channel
                .receive(10000);
        assertNotNull(received);
        assertNotNull(received.getPayload().getReceivedDate());
        assertTrue(received.getPayload().getLineCount() > -1);
        if (simple) {
            assertThat(received.getPayload().getContent(),
                    equalTo(TestMailServer.MailServer.MailHandler.BODY + "\r\n"));
        } else {
            assertThat(received.getPayload().getContent(),
                    equalTo(TestMailServer.MailServer.MailHandler.MESSAGE + "\r\n"));
        }
    } else {
        org.springframework.messaging.Message<?> received = channel.receive(10000);
        assertNotNull(received);
        assertNotNull(received.getHeaders().get(MailHeaders.RAW_HEADERS));
        assertThat((String) received.getHeaders().get(MailHeaders.CONTENT_TYPE),
                equalTo("TEXT/PLAIN; charset=ISO-8859-1"));
        assertThat((String) received.getHeaders().get(MessageHeaders.CONTENT_TYPE),
                equalTo("TEXT/PLAIN; charset=ISO-8859-1"));
        assertThat((String) received.getHeaders().get(MailHeaders.FROM), equalTo("Bar <bar@baz>"));
        assertThat(((String[]) received.getHeaders().get(MailHeaders.TO))[0], equalTo("Foo <foo@bar>"));
        assertThat((String) received.getHeaders().get(MailHeaders.SUBJECT), equalTo("Test Email"));
        if (simple) {
            assertThat(received.getPayload(), equalTo(TestMailServer.MailServer.MailHandler.BODY + "\r\n"));
        } else {
            assertThat(received.getPayload(), equalTo(TestMailServer.MailServer.MailHandler.MESSAGE + "\r\n"));
        }
    }
    assertNotNull(channel.receive(10000)); // new message after idle
    assertNull(channel.receive(10000)); // no new message after second and third idle
    verify(logger).debug("Canceling IDLE");
    taskScheduler.shutdown();
    assertTrue(imapIdleServer.assertReceived("storeUserFlag"));
}

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