Main.java Source code

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Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright (c) 2013-2015 Jeff Sutton.
 *
 * 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.
 *
 */

public class Main {
    /**
     * An empty immutable <code>Long</code> array.
     */
    public static final Long[] EMPTY_LONG_OBJECT_ARRAY = new Long[0];
    /**
     * An empty immutable <code>Integer</code> array.
     */
    public static final Integer[] EMPTY_INTEGER_OBJECT_ARRAY = new Integer[0];
    /**
     * An empty immutable <code>Short</code> array.
     */
    public static final Short[] EMPTY_SHORT_OBJECT_ARRAY = new Short[0];
    /**
     * An empty immutable <code>Byte</code> array.
     */
    public static final Byte[] EMPTY_BYTE_OBJECT_ARRAY = new Byte[0];
    /**
     * An empty immutable <code>Double</code> array.
     */
    public static final Double[] EMPTY_DOUBLE_OBJECT_ARRAY = new Double[0];
    /**
     * An empty immutable <code>Float</code> array.
     */
    public static final Float[] EMPTY_FLOAT_OBJECT_ARRAY = new Float[0];
    /**
     * An empty immutable <code>Boolean</code> array.
     */
    public static final Boolean[] EMPTY_BOOLEAN_OBJECT_ARRAY = new Boolean[0];
    /**
     * An empty immutable <code>Character</code> array.
     */
    public static final Character[] EMPTY_CHARACTER_OBJECT_ARRAY = new Character[0];

    /**
     * <p>Converts an array of primitive chars to objects.</p>
     * <p>
     * <p>This method returns <code>null</code> for a <code>null</code> input array.</p>
     *
     * @param array a <code>char</code> array
     * @return a <code>Character</code> array, <code>null</code> if null array input
     */
    public static Character[] toObject(char[] array) {
        if (array == null) {
            return null;
        } else if (array.length == 0) {
            return EMPTY_CHARACTER_OBJECT_ARRAY;
        }
        final Character[] result = new Character[array.length];
        for (int i = 0; i < array.length; i++) {
            result[i] = array[i];
        }
        return result;
    }

    /**
     * <p>Converts an array of primitive longs to objects.</p>
     * <p>
     * <p>This method returns <code>null</code> for a <code>null</code> input array.</p>
     *
     * @param array a <code>long</code> array
     * @return a <code>Long</code> array, <code>null</code> if null array input
     */
    public static Long[] toObject(long[] array) {
        if (array == null) {
            return null;
        } else if (array.length == 0) {
            return EMPTY_LONG_OBJECT_ARRAY;
        }
        final Long[] result = new Long[array.length];
        for (int i = 0; i < array.length; i++) {
            result[i] = Long.valueOf(array[i]);
        }
        return result;
    }

    /**
     * <p>Converts an array of primitive ints to objects.</p>
     * <p>
     * <p>This method returns <code>null</code> for a <code>null</code> input array.</p>
     *
     * @param array an <code>int</code> array
     * @return an <code>Integer</code> array, <code>null</code> if null array input
     */
    public static Integer[] toObject(int[] array) {
        if (array == null) {
            return null;
        } else if (array.length == 0) {
            return EMPTY_INTEGER_OBJECT_ARRAY;
        }
        final Integer[] result = new Integer[array.length];
        for (int i = 0; i < array.length; i++) {
            result[i] = Integer.valueOf(array[i]);
        }
        return result;
    }

    /**
     * <p>Converts an array of primitive shorts to objects.</p>
     * <p>
     * <p>This method returns <code>null</code> for a <code>null</code> input array.</p>
     *
     * @param array a <code>short</code> array
     * @return a <code>Short</code> array, <code>null</code> if null array input
     */
    public static Short[] toObject(short[] array) {
        if (array == null) {
            return null;
        } else if (array.length == 0) {
            return EMPTY_SHORT_OBJECT_ARRAY;
        }
        final Short[] result = new Short[array.length];
        for (int i = 0; i < array.length; i++) {
            result[i] = array[i];
        }
        return result;
    }

    /**
     * <p>Converts an array of primitive bytes to objects.</p>
     * <p>
     * <p>This method returns <code>null</code> for a <code>null</code> input array.</p>
     *
     * @param array a <code>byte</code> array
     * @return a <code>Byte</code> array, <code>null</code> if null array input
     */
    public static Byte[] toObject(byte[] array) {
        if (array == null) {
            return null;
        } else if (array.length == 0) {
            return EMPTY_BYTE_OBJECT_ARRAY;
        }
        final Byte[] result = new Byte[array.length];
        for (int i = 0; i < array.length; i++) {
            result[i] = Byte.valueOf(array[i]);
        }
        return result;
    }

    /**
     * <p>Converts an array of primitive doubles to objects.</p>
     * <p>
     * <p>This method returns <code>null</code> for a <code>null</code> input array.</p>
     *
     * @param array a <code>double</code> array
     * @return a <code>Double</code> array, <code>null</code> if null array input
     */
    public static Double[] toObject(double[] array) {
        if (array == null) {
            return null;
        } else if (array.length == 0) {
            return EMPTY_DOUBLE_OBJECT_ARRAY;
        }
        final Double[] result = new Double[array.length];
        for (int i = 0; i < array.length; i++) {
            result[i] = Double.valueOf(array[i]);
        }
        return result;
    }

    /**
     * <p>Converts an array of primitive floats to objects.</p>
     * <p>
     * <p>This method returns <code>null</code> for a <code>null</code> input array.</p>
     *
     * @param array a <code>float</code> array
     * @return a <code>Float</code> array, <code>null</code> if null array input
     */
    public static Float[] toObject(float[] array) {
        if (array == null) {
            return null;
        } else if (array.length == 0) {
            return EMPTY_FLOAT_OBJECT_ARRAY;
        }
        final Float[] result = new Float[array.length];
        for (int i = 0; i < array.length; i++) {
            result[i] = Float.valueOf(array[i]);
        }
        return result;
    }

    /**
     * <p>Converts an array of primitive booleans to objects.</p>
     * <p>
     * <p>This method returns <code>null</code> for a <code>null</code> input array.</p>
     *
     * @param array a <code>boolean</code> array
     * @return a <code>Boolean</code> array, <code>null</code> if null array input
     */
    public static Boolean[] toObject(boolean[] array) {
        if (array == null) {
            return null;
        } else if (array.length == 0) {
            return EMPTY_BOOLEAN_OBJECT_ARRAY;
        }
        final Boolean[] result = new Boolean[array.length];
        for (int i = 0; i < array.length; i++) {
            result[i] = (array[i] ? Boolean.TRUE : Boolean.FALSE);
        }
        return result;
    }
}