Java Properties Load from File loadProperties(String fileName, boolean systemOverride)

Description

load Properties

License

Apache License

Declaration

public static Properties loadProperties(String fileName,
            boolean systemOverride) throws IOException 

Method Source Code

//package com.java2s;
/**/*from   ww w  .j  av  a2s. c  om*/
 * 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.
 */

import java.io.BufferedInputStream;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.util.Properties;

public class Main {
    public static Properties loadProperties(String fileName,
            boolean systemOverride) throws IOException {
        Properties kernelProps = new Properties();
        InputStream is = null;
        boolean propsLoaded = false;
        if (fileName != null && fileName.length() > 0) {
            try {
                is = new BufferedInputStream(new FileInputStream(fileName));
                if (fileName.endsWith(".xml"))
                    kernelProps.loadFromXML(is);
                else
                    kernelProps.load(is);
                propsLoaded = true;
            } catch (FileNotFoundException fe) {
                // do nothing - options not required
            } finally {
                if (is != null)
                    is.close();
            }
        }
        if (systemOverride) {
            kernelProps.putAll(System.getProperties());
            propsLoaded = true;
        }
        if (propsLoaded)
            return kernelProps;
        else
            return null;
    }
}

Related

1. loadProperties(String file)
2. loadProperties(String filename)
3. loadProperties(String filename)
4. loadProperties(String fileName)
5. loadProperties(String fileName)
6. loadProperties(String fileName, Properties properties)
7. loadProperties(String filePath)
8. loadProperties(String filePath)
9. loadProperties(String path)