com.hs.mail.imap.processor.AppendProcessor.java Source code

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Here is the source code for com.hs.mail.imap.processor.AppendProcessor.java

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/*
 * Copyright 2010 the original author or authors.
 * 
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package com.hs.mail.imap.processor;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;

import org.apache.commons.io.FileUtils;
import org.apache.commons.io.IOUtils;
import org.jboss.netty.buffer.ChannelBuffer;
import org.jboss.netty.buffer.ChannelBufferInputStream;

import com.hs.mail.container.config.Config;
import com.hs.mail.imap.ImapSession;
import com.hs.mail.imap.mailbox.Mailbox;
import com.hs.mail.imap.mailbox.MailboxManager;
import com.hs.mail.imap.message.request.AppendRequest;
import com.hs.mail.imap.message.request.ImapRequest;
import com.hs.mail.imap.message.responder.Responder;
import com.hs.mail.imap.message.response.HumanReadableText;

/**
 * 
 * @author Won Chul Doh
 * @since Feb 1, 2010
 *
 */
public class AppendProcessor extends AbstractImapProcessor {

    // private BodyStructureBuilder builder = null;

    public AppendProcessor() {
        super();
        // this.builder = new BodyStructureBuilder(new EnvelopeBuilder());
    }

    @Override
    protected void doProcess(ImapSession session, ImapRequest message, Responder responder) throws Exception {
        AppendRequest request = (AppendRequest) message;
        String mailboxName = request.getMailbox();
        MailboxManager manager = getMailboxManager();
        Mailbox mailbox = manager.getMailbox(session.getUserID(), mailboxName);
        if (mailbox == null) {
            // SHOULD NOT automatically create the mailbox.
            responder.taggedNo(request, "[TRYCREATE]", HumanReadableText.MAILBOX_NOT_FOUND);
        } else {
            File temp = File.createTempFile("mail", null, Config.getTempDirectory());
            ChannelBuffer buffer = request.getMessage();
            try {
                writeMessage(buffer, temp);
                manager.appendMessage(mailbox.getMailboxID(), request.getDatetime(), request.getFlags(), temp);
                // FIXME - cache body structure or not!!!
                // builder.build(msg.getInternalDate(), msg.getPhysMessageID());
            } catch (Exception ex) {
                forceDelete(temp);
                throw ex;
            }
            responder.okCompleted(request);
        }
    }

    private void writeMessage(ChannelBuffer buffer, File dst) throws IOException {
        ChannelBufferInputStream is = new ChannelBufferInputStream(buffer);
        OutputStream os = null;
        try {
            os = new FileOutputStream(dst);
            IOUtils.copyLarge(is, os);
        } finally {
            IOUtils.closeQuietly(os);
        }
    }

    private void forceDelete(File file) {
        try {
            FileUtils.forceDelete(file);
        } catch (IOException e) {
            // Don't re-throw this exception
        }
    }

}