Main.java Source code

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Here is the source code for Main.java

Source

//package com.java2s;
/*******************************************************************************
 * Copyright 2014 United States Government as represented by the
 * Administrator of the National Aeronautics and Space Administration.
 * All Rights Reserved.
 * 
 * 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.
 ******************************************************************************/

import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;
import java.util.Vector;

public class Main {
    public static Object canonicalize(Object input) {
        if (input instanceof ArrayList) {
            Object[] foo = ((ArrayList) input).toArray();
            canonicalize(foo);
            return foo;
        } else if (input instanceof Vector) {
            Object[] foo = ((Vector) input).toArray();
            canonicalize(foo);
            return foo;
        } else if (input instanceof Map) {
            Map foo = canonicalize((Map) input);
            return foo;
        }
        return input;
    }

    private static void canonicalize(Object[] input) {
        for (int i = 0; i < input.length; ++i)
            input[i] = canonicalize(input[i]);
    }

    private static Map canonicalize(Map input) {
        Map retval = new HashMap();
        for (Object key : input.keySet()) {
            retval.put(key, canonicalize(input.get(key)));
        }
        return retval;
    }
}