org.apache.james.utils.IMAPMessageReader.java Source code

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Here is the source code for org.apache.james.utils.IMAPMessageReader.java

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 * regarding copyright ownership.  The ASF licenses this file   *
 * to you under the Apache License, Version 2.0 (the            *
 * "License"); you may not use this file except in compliance   *
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 * software distributed under the License is distributed on an  *
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY       *
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package org.apache.james.utils;

import java.io.Closeable;
import java.io.IOException;
import java.util.List;

import org.apache.commons.net.imap.IMAPClient;

import com.google.common.base.Splitter;

public class IMAPMessageReader implements Closeable {

    private final IMAPClient imapClient;

    public IMAPMessageReader(String host, int port) throws IOException {
        imapClient = new IMAPClient();
        imapClient.connect(host, port);
    }

    public void connectAndSelect(String user, String password, String mailbox) throws IOException {
        imapClient.login(user, password);
        imapClient.select(mailbox);
    }

    public boolean userReceivedMessage(String user, String password) throws IOException {
        return userReceivedMessageInMailbox(user, password, "INBOX");
    }

    public boolean userReceivedMessageInMailbox(String user, String password, String mailbox) throws IOException {
        connectAndSelect(user, password, mailbox);
        imapClient.fetch("1:1", "ALL");
        return imapClient.getReplyString().contains("OK FETCH completed");
    }

    public boolean userGetNotifiedForNewMessagesWhenSelectingMailbox(String user, String password,
            int numOfNewMessage, String mailboxName) throws IOException {
        connectAndSelect(user, password, mailboxName);

        return imapClient.getReplyString().contains("OK [UNSEEN " + numOfNewMessage + "]");
    }

    public boolean userDoesNotReceiveMessage(String user, String password) throws IOException {
        return userDoesNotReceiveMessageInMailbox(user, password, "INBOX");
    }

    public boolean userDoesNotReceiveMessageInMailbox(String user, String password, String mailboxName)
            throws IOException {
        connectAndSelect(user, password, mailboxName);
        imapClient.fetch("1:1", "ALL");
        return imapClient.getReplyString().contains("BAD FETCH failed. Invalid messageset");
    }

    public String readFirstMessageInInbox(String user, String password) throws IOException {

        return readFirstMessageInInbox(user, password, "(BODY[])");
    }

    public String readFirstMessageHeadersInInbox(String user, String password) throws IOException {
        return readFirstMessageInInbox(user, password, "(RFC822.HEADER)");
    }

    private String readFirstMessageInInbox(String user, String password, String parameters) throws IOException {
        imapClient.login(user, password);
        imapClient.select("INBOX");
        imapClient.fetch("1:1", parameters);
        return imapClient.getReplyString();
    }

    public boolean userGetNotifiedForNewMessages(int numberOfMessages) throws IOException {
        imapClient.noop();

        String replyString = imapClient.getReplyString();
        List<String> parts = Splitter.on('\n').trimResults().omitEmptyStrings().splitToList(replyString);
        return parts.size() == 3 && parts.get(2).contains("OK NOOP completed.")
                && parts.contains("* " + numberOfMessages + " EXISTS")
                && parts.contains("* " + numberOfMessages + " RECENT");
    }

    public boolean userGetNotifiedForDeletion(int msn) throws IOException {
        imapClient.noop();

        String replyString = imapClient.getReplyString();
        List<String> parts = Splitter.on('\n').trimResults().omitEmptyStrings().splitToList(replyString);

        return parts.size() == 2 && parts.get(1).contains("OK NOOP completed.")
                && parts.contains("* " + msn + " EXPUNGE");
    }

    @Override
    public void close() throws IOException {
        imapClient.close();
    }

    public void copyFirstMessage(String destMailbox) throws IOException {
        imapClient.copy("1", destMailbox);
    }
}