Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Apache License 

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
     */
    @SuppressWarnings("unchecked")
    public static void mergePropertiesIntoMap(Properties props, Map 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();
                Object value = props.getProperty(key);
                if (value == null) {
                    // Potentially a non-String value...
                    value = props.get(key);
                }
                map.put(key, value);
            }
        }
    }
}