Main.java Source code

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Here is the source code for Main.java

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//package com.java2s;
/**
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2006 Sun Microsystems Inc. All Rights Reserved
 *
 * The contents of this file are subject to the terms
 * of the Common Development and Distribution License
 * (the License). You may not use this file except in
 * compliance with the License.
 *
 * You can obtain a copy of the License at
 * https://opensso.dev.java.net/public/CDDLv1.0.html or
 * opensso/legal/CDDLv1.0.txt
 * See the License for the specific language governing
 * permission and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL
 * Header Notice in each file and include the License file
 * at opensso/legal/CDDLv1.0.txt.
 * If applicable, add the following below the CDDL Header,
 * with the fields enclosed by brackets [] replaced by
 * your own identifying information:
 * "Portions Copyrighted [year] [name of copyright owner]"
 *
 * $Id: CollectionHelper.java,v 1.6 2010/01/06 22:31:55 veiming Exp $
 *
 */

import java.util.Map;
import java.util.Set;

public class Main {
    /**
     * Gets a boolean attribute from a {@code Map<String, Set<String>>}, defaulting to the given default value if
     * the attribute is not present.
     *
     * @param map the attribute map.
     * @param name the name of the attribute to retrieve.
     * @param defaultValue the value to use if the attribute is not present.
     * @return the boolean value using {@link Boolean#parseBoolean(String)}.
     */
    public static boolean getBooleanMapAttr(Map map, String name, boolean defaultValue) {
        String value = getMapAttr(map, name, Boolean.toString(defaultValue));
        return Boolean.parseBoolean(value);
    }

    /**
     * Returns String from a map of string of set of string.
     *
     * @param map Map of string of set of string.
     * @param name Key of the map entry.
     * @return String from a map of string of set of string
     */
    public static String getMapAttr(Map map, String name) {
        Set s = (Set) map.get(name);
        String retVal = ((s == null) || s.isEmpty()) ? null : ((String) s.iterator().next());
        return (retVal != null) ? retVal.trim() : null;
    }

    /**
     * Returns String from a map of string of set of string.
     *
     * @param map Map of string of set of string.
     * @param name Key of the map entry.
     * @param defaultValue Default value if the string is not found.
     * @return String from a map of string of set of string
     */
    public static String getMapAttr(Map map, String name, String defaultValue) {
        String str = getMapAttr(map, name);
        return ((str != null) && (str.length() > 0)) ? str : defaultValue;
    }
}