Java Primitive Type Create toPrimitive(final Character value, final char defaultValue)

Description

Get the primitive value of an Character .

License

Apache License

Parameter

Parameter	Description
value	the Character value
defaultValue	the default value

Return

a primitive char

Declaration

public static char toPrimitive(final Character value, final char defaultValue)

Method Source Code

//package com.java2s;
/*-//  ww  w  .ja  v  a2  s.com
8 * #%L
 * utils-commons
 * %%
 * Copyright (C) 2016 - 2018 Gilles Landel
 * %%
 * 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.
 * #L%
 */

public class Main {
    /**
     * Get the primitive value of an {@link Integer}. If {@code value} is not
     * {@code null}, returns the primitive value of {@code value} otherwise returns
     * {@code defaultValue}
     * 
     * <pre>
     * Integer value = new Integer(1);
     * int value1 = ObjectUtils.toPrimitive(value, 0); // =&gt; value1 = 1
     * int value2 = ObjectUtils.toPrimitive((Integer) null, 0); // =&gt; value2 = 0
     * </pre>
     * 
     * @param value
     *            the {@link Integer} value
     * @param defaultValue
     *            the default value
     * @return a primitive int
     */
    public static int toPrimitive(final Integer value, final int defaultValue) {
        if (value == null) {
            return defaultValue;
        } else {
            return value.intValue();
        }
    }

    /**
     * Get the primitive value of an {@link Long}. If {@code value} is not
     * {@code null}, returns the primitive value of {@code value} otherwise returns
     * {@code defaultValue}
     * 
     * <pre>
     * Long value = new Long(1l);
     * long value1 = ObjectUtils.toPrimitive(value, 0l); // =&gt; value1 = 1l
     * long value2 = ObjectUtils.toPrimitive((Long) null, 0l); // =&gt; value2 = 0l
     * </pre>
     * 
     * @param value
     *            the {@link Long} value
     * @param defaultValue
     *            the default value
     * @return a primitive long
     */
    public static long toPrimitive(final Long value, final long defaultValue) {
        if (value == null) {
            return defaultValue;
        } else {
            return value.longValue();
        }
    }

    /**
     * Get the primitive value of an {@link Float}. If {@code value} is not
     * {@code null}, returns the primitive value of {@code value} otherwise returns
     * {@code defaultValue}
     * 
     * <pre>
     * Float value = new Float(1f);
     * float value1 = ObjectUtils.toPrimitive(value, 0f); // =&gt; value1 = 1f
     * float value2 = ObjectUtils.toPrimitive((Float) null, 0f); // =&gt; value2 = 0f
     * </pre>
     * 
     * @param value
     *            the {@link Float} value
     * @param defaultValue
     *            the default value
     * @return a primitive float
     */
    public static float toPrimitive(final Float value, final float defaultValue) {
        if (value == null) {
            return defaultValue;
        } else {
            return value.floatValue();
        }
    }

    /**
     * Get the primitive value of an {@link Double}. If {@code value} is not
     * {@code null}, returns the primitive value of {@code value} otherwise returns
     * {@code defaultValue}
     * 
     * <pre>
     * Double value = new Double(1d);
     * double value1 = ObjectUtils.toPrimitive(value, 0); // =&gt; value1 = 1d
     * double value2 = ObjectUtils.toPrimitive((Double) null, 0); // =&gt; value2 = 0d
     * </pre>
     * 
     * @param value
     *            the {@link Double} value
     * @param defaultValue
     *            the default value
     * @return a primitive double
     */
    public static double toPrimitive(final Double value, final double defaultValue) {
        if (value == null) {
            return defaultValue;
        } else {
            return value.doubleValue();
        }
    }

    /**
     * Get the primitive value of an {@link Short}. If {@code value} is not
     * {@code null}, returns the primitive value of {@code value} otherwise returns
     * {@code defaultValue}
     * 
     * <pre>
     * Short value0 = new Short((short) 1);
     * short value1 = ObjectUtils.toPrimitive(value0, (short) 0); // =&gt; value1 = 1
     * short value2 = ObjectUtils.toPrimitive((Short) null, (short) 0); // =&gt; value2 = 0
     * </pre>
     * 
     * @param value
     *            the {@link Short} value
     * @param defaultValue
     *            the default value
     * @return a primitive short
     */
    public static short toPrimitive(final Short value, final short defaultValue) {
        if (value == null) {
            return defaultValue;
        } else {
            return value.shortValue();
        }
    }

    /**
     * Get the primitive value of an {@link Byte}. If {@code value} is not
     * {@code null}, returns the primitive value of {@code value} otherwise returns
     * {@code defaultValue}
     * 
     * <pre>
     * Byte one = new Byte((byte) 1);
     * byte value1 = ObjectUtils.toPrimitive(one, (byte) 0); // =&gt; value1 = 1
     * byte value2 = ObjectUtils.toPrimitive((Byte) null, (byte) 0); // =&gt; value2 = 0
     * </pre>
     * 
     * @param value
     *            the {@link Byte} value
     * @param defaultValue
     *            the default value
     * @return a primitive byte
     */
    public static byte toPrimitive(final Byte value, final byte defaultValue) {
        if (value == null) {
            return defaultValue;
        } else {
            return value.byteValue();
        }
    }

    /**
     * Get the primitive value of an {@link Character}. If {@code value} is not
     * {@code null}, returns the primitive value of {@code value} otherwise returns
     * {@code defaultValue}
     * 
     * <pre>
     * Character space = new Character((char) 32);
     * char value1 = ObjectUtils.toPrimitive(space, '_'); // =&gt; value1 = ' '
     * char value2 = ObjectUtils.toPrimitive((Character) null, '_'); // =&gt; value2 = '_'
     * </pre>
     * 
     * @param value
     *            the {@link Character} value
     * @param defaultValue
     *            the default value
     * @return a primitive char
     */
    public static char toPrimitive(final Character value, final char defaultValue) {
        if (value == null) {
            return defaultValue;
        } else {
            return value.charValue();
        }
    }

    /**
     * Get the primitive value of an {@link Boolean}. If {@code value} is not
     * {@code null}, returns the primitive value of {@code value} otherwise returns
     * {@code defaultValue}
     * 
     * <pre>
     * boolean value1 = ObjectUtils.toPrimitive(Boolean.TRUE, false); // =&gt; value1 = true
     * boolean value2 = ObjectUtils.toPrimitive(Boolean.FALSE, true); // =&gt; value2 = false
     * boolean value3 = ObjectUtils.toPrimitive(null, false); // =&gt; value3 = false
     * </pre>
     * 
     * @param value
     *            the {@link Boolean} value
     * @param defaultValue
     *            the default value
     * @return a primitive boolean
     * 
     * @see BooleanUtils#isFalse(Boolean)
     * @see BooleanUtils#isTrue(Boolean)
     * @see BooleanUtils#isNotFalse(Boolean)
     * @see BooleanUtils#isNotTrue(Boolean)
     */
    public static boolean toPrimitive(final Boolean value, final boolean defaultValue) {
        if (value == null) {
            return defaultValue;
        } else {
            return value.booleanValue();
        }
    }
}

Java Primitive Type Create toPrimitive(final Character value, final char defaultValue)

Description

License

Parameter

Return

Declaration

Method Source Code

Related