Java Short Number Create toShort(String str, short defaultValue)

Description

Convert a String to an short, returning a default value if the conversion fails.

License

Apache License

Parameter

Parameter	Description
str	the string to convert, may be null
defaultValue	the default value

Return

the short represented by the string, or the default if conversion fails

Declaration

public static short toShort(String str, short defaultValue) 

Method Source Code

//package com.java2s;
/*//  w ww.j  a v a 2  s  .  c om
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 {
    /**
     * <p>
     * Convert a <code>String</code> to a <code>short</code>, returning
     * <code>zero</code> if the conversion fails.
     * </p>
     * 
     * <p>
     * If the string is <code>null</code>, <code>zero</code> is returned.
     * </p>
     * 
     * <pre>
     *   NumberUtils.toShort(null) = 0
     *   NumberUtils.toShort("")   = 0
     *   NumberUtils.toShort("1")  = 1
     * </pre>
     * 
     * @param str
     *            the string to convert, may be null
     * @return the short represented by the string, or <code>zero</code> if
     *         conversion fails
     * @since 2.5
     */
    public static short toShort(String str) {
        return toShort(str, (short) 0);
    }

    /**
     * <p>
     * Convert a <code>String</code> to an <code>short</code>, returning a
     * default value if the conversion fails.
     * </p>
     * 
     * <p>
     * If the string is <code>null</code>, the default value is returned.
     * </p>
     * 
     * <pre>
     *   NumberUtils.toShort(null, 1) = 1
     *   NumberUtils.toShort("", 1)   = 1
     *   NumberUtils.toShort("1", 0)  = 1
     * </pre>
     * 
     * @param str
     *            the string to convert, may be null
     * @param defaultValue
     *            the default value
     * @return the short represented by the string, or the default if conversion
     *         fails
     * @since 2.5
     */
    public static short toShort(String str, short defaultValue) {
        if (str == null) {
            return defaultValue;
        }
        try {
            return Short.parseShort(str);
        } catch (NumberFormatException nfe) {
            return defaultValue;
        }
    }
}

Related

1. toShort(String input, short defaultValue)
2. toShort(String numeric)
3. toShort(String str)
4. toShort(String str)
5. toShort(String str, int maxLen)
6. toShort(String value)
7. toShort(String value)
8. toShort(String value)
9. toShort(String value, short defaultValue)