Main.java Source code

Java tutorial

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*******************************************************************************
 * Copyright (c) 2008, 2010 VMware Inc.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *   VMware Inc. - initial contribution
 *******************************************************************************/

import java.util.Enumeration;

import java.util.Map;
import java.util.Properties;

public class Main {
    /**
     * Merge the given Properties instance into the given Map,
     * copying all properties (key-value pairs) over.
     * <p>Uses <code>Properties.propertyNames()</code> to even catch
     * default properties linked into the original Properties instance.
     * @param props the Properties instance to merge (may be <code>null</code>)
     * @param map the target Map to merge the properties into
     */
    public static void mergePropertiesIntoMap(Properties props, Map<? super String, ? super String> map) {
        if (map == null) {
            throw new IllegalArgumentException("Map must not be null");
        }
        if (props != null) {
            for (Enumeration<?> en = props.propertyNames(); en.hasMoreElements();) {
                String key = (String) en.nextElement();
                map.put(key, props.getProperty(key));
            }
        }
    }
}