PropertyUtils.java

package org.codehaus.mojo.hibernate3.util;

/*
 * 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 org.codehaus.plexus.util.IOUtil;

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

public class PropertyUtils
{
// ------------------------------ FIELDS ------------------------------

    private static Properties properties;

    private static final String[] EMPTY_STRING_ARRAY = new String[0];

// -------------------------- STATIC METHODS --------------------------

    public static String[] getPropertyArray( String key )
    {
        String value = getProperty( key );
        if ( value != null )
        {
            return value.split( "," );
        }
        else
        {
            return EMPTY_STRING_ARRAY;
        }
    }

    public static String getProperty( String key )
    {
        if ( properties == null )
        {
            InputStream is =
                PropertyUtils.class.getClassLoader().getResourceAsStream( "hibernate3-mapping.properties" );
            try
            {
                properties = new Properties();

                // Make sure the properties stream is valid
                if ( is != null )
                {
                    properties.load( is );
                }
            }
            catch ( IOException e )
            {
                // ignore
            }
            finally
            {
                IOUtil.close( is );
            }
        }
        return properties.getProperty( key );
    }
}