Perf4jProperties.java

/* Copyright (c) 2011 Brett Randall.
 * All rights reserved.  http://www.perf4j.org
 *
 * Licensed 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 org.perf4j.helpers;

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

public class Perf4jProperties {

    public static final Properties INSTANCE;

    static {
        INSTANCE = new PackageParentProperties();
        final InputStream is = Thread.currentThread().getContextClassLoader().getResourceAsStream("perf4j.properties");
        if (is != null) {
            try {
                INSTANCE.load(is);
            } catch (IOException e) {
                System.err.println("Failed to load perf4j.properties " + e.getMessage());
                e.printStackTrace();
            } finally {
                if (is != null) {
                    try {
                        is.close();
                    } catch (IOException e) {
                        e.printStackTrace();
                    }
                }
            }
        }
    }

    private Perf4jProperties() {
        // singleton, not instantiable externally
    }
}