Java Assert Not Null assertNotNullArgument(Object obj, String argName)

Description

assert Not Null Argument

License

Apache License

Declaration

public static void assertNotNullArgument(Object obj, String argName) 

Method Source Code

//package com.java2s;
//License from project: Apache License 

public class Main {
    public static void assertNotNullArgument(Object obj, String argName) {
        if (obj == null) {
            throw new IllegalArgumentException(
                    "Null Object specified as argument. argumentName["
                            + argName + "]");
        }//from  ww  w  .  j a  v a  2 s.c  om
        if (obj instanceof String) {
            assertQualifiedString((String) obj, argName);
        }
    }

    public static void assertQualifiedString(String str, String argName) {
        if (!isQualifiedString(str)) {
            throw new IllegalArgumentException(
                    "Null or zero length string found. str[" + str
                            + "] argumentName[" + argName + "]");
        }
    }

    /**
     * This method will check for the null string
     * 
     * @param str to be check
     * @return true if string is not null
     */
    public static boolean isQualifiedString(String str) {
        return str != null && str.trim().length() > 0;
    }
}

Related

1. assertNotNull(T o)
2. assertNotNull(T obj)
3. assertNotNull(T object, String fieldName)
4. assertNotNull(T value, String message)
5. assertNotNullArg(Object value, String argName)
6. assertNotNullEightBytes(byte[] bytes)
7. assertNotNullNotEmpty(String obj, String paramName)
8. assertNotNullOrThrowException(final Object... objects)
9. assertObjectNotNull(final Object object)