com.github.neoio.net.message.staging.file.FileMessageStagingFactory.java Source code

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Here is the source code for com.github.neoio.net.message.staging.file.FileMessageStagingFactory.java

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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
 *
 *      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.github.neoio.net.message.staging.file;

import java.io.File;

import org.apache.commons.lang.SystemUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.github.neoio.net.exception.NetIOException;
import com.github.neoio.net.message.staging.MessageStaging;
import com.github.neoio.net.message.staging.MessageStagingFactory;

public class FileMessageStagingFactory implements MessageStagingFactory {
    private Logger logger = LoggerFactory.getLogger(this.getClass());
    private File stagingDir;

    public FileMessageStagingFactory() throws NetIOException {
        this(SystemUtils.getJavaIoTmpDir());
    }

    public FileMessageStagingFactory(File stagingDir) throws NetIOException {
        logger.debug("Factory staging directory: {}", stagingDir.getAbsolutePath());

        if (stagingDir.exists() == true && stagingDir.isDirectory() == false)
            throw new NetIOException("stagingDir [" + stagingDir.getName() + "] exists but is not a directory");
        else if (stagingDir.exists() == false)
            stagingDir.mkdirs();

        this.stagingDir = stagingDir;
    }

    @Override
    public MessageStaging newInstance() throws NetIOException {
        return new FileMessageStaging(stagingDir);
    }
}