com.splunk.shuttl.archiver.filesystem.hadoop.HdfsProperties.java Source code

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Here is the source code for com.splunk.shuttl.archiver.filesystem.hadoop.HdfsProperties.java

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// Copyright (C) 2011 Splunk Inc.
//
// Splunk Inc. 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.splunk.shuttl.archiver.filesystem.hadoop;

import java.io.File;
import java.io.IOException;
import java.util.Properties;

import org.apache.commons.io.FileUtils;

import com.splunk.shuttl.archiver.filesystem.BackendConfigurationFiles;

/**
 * Properties for an HDFS file system.
 */
public class HdfsProperties {

    public static final String HDFS_PROPERTIES_FILENAME = "hdfs.properties";

    private final String host;
    private final String port;

    public HdfsProperties(String host, String port) {
        this.host = host;
        this.port = port;
    }

    public String getHost() {
        return host;
    }

    public String getPort() {
        return port;
    }

    public static HdfsProperties create() {
        return create(getHdfsPropertiesFile());
    }

    public static File getHdfsPropertiesFile() {
        return BackendConfigurationFiles.create().getByName(HDFS_PROPERTIES_FILENAME);
    }

    public static HdfsProperties create(File hdfsProperties) {
        Properties properties = loadProperties(hdfsProperties);
        String host = properties.getProperty("hadoop.host");
        String port = properties.getProperty("hadoop.port");
        return new HdfsProperties(host, port);
    }

    private static Properties loadProperties(File hdfsProperties) {
        try {
            Properties properties = new Properties();
            properties.load(FileUtils.openInputStream(hdfsProperties));
            return properties;
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }
}