org.apache.hupa.server.handler.DeleteFolderHandler.java Source code

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/****************************************************************
 * Licensed to the Apache Software Foundation (ASF) under one   *
 * or more contributor license agreements.  See the NOTICE file *
 * distributed with this work for additional information        *
 * 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   *
 * with the License.  You may obtain a copy of the License at   *
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 * 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    *
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package org.apache.hupa.server.handler;

import javax.mail.Folder;
import javax.servlet.http.HttpSession;

import net.customware.gwt.dispatch.server.ExecutionContext;
import net.customware.gwt.dispatch.shared.ActionException;

import org.apache.commons.logging.Log;
import org.apache.hupa.server.IMAPStoreCache;
import org.apache.hupa.shared.data.IMAPFolder;
import org.apache.hupa.shared.data.User;
import org.apache.hupa.shared.rpc.DeleteFolder;
import org.apache.hupa.shared.rpc.GenericResult;

import com.google.inject.Inject;
import com.google.inject.Provider;
import com.sun.mail.imap.IMAPStore;

/**
 * Handle delete requests for a folder
 * 
 *
 */
public class DeleteFolderHandler extends AbstractSessionHandler<DeleteFolder, GenericResult> {

    @Inject
    public DeleteFolderHandler(IMAPStoreCache cache, Log logger, Provider<HttpSession> sessionProvider) {
        super(cache, logger, sessionProvider);
    }

    @Override
    protected GenericResult executeInternal(DeleteFolder action, ExecutionContext context) throws ActionException {
        User user = getUser();
        IMAPFolder folder = action.getFolder();
        try {
            IMAPStore store = cache.get(user);

            Folder f = store.getFolder(folder.getFullName());

            // close the folder if its open
            if (f.isOpen()) {
                f.close(false);
            }

            // recursive delete the folder
            if (f.delete(true)) {
                logger.info("Successfully delete folder " + folder + " for user " + user);
                return new GenericResult();
            } else {
                throw new ActionException("Unable to delete folder " + folder + " for user " + user);
            }
        } catch (Exception e) {
            logger.error("Error while deleting folder " + folder + " for user " + user, e);
            throw new ActionException("Error while deleting folder " + folder + " for user " + user, e);
        }
    }

    /*
     * (non-Javadoc)
     * @see net.customware.gwt.dispatch.server.ActionHandler#getActionType()
     */
    public Class<DeleteFolder> getActionType() {
        return DeleteFolder.class;
    }

}