org.kuali.common.util.base

Class Precondition

java.lang.Object

org.kuali.common.util.base.Precondition

public class Precondition
extends Object

Strongly mimic's Guava's with a sensible default error message for common situations

 Guava:
 String foo = checkArgument(!StringUtils.isBlank(foo), "'%s' cannot be blank");
 
 Kuali:
 String foo = checkNotBlank(foo, "foo");
 

Constructor Summary

Constructors

Constructor and Description
Precondition()

Method Summary

Methods

Modifier and Type	Method and Description
static int	checkMin(int arg, int min, String argName) Check that arg is greater than or equal to min.
static long	checkMin(long arg, long min, String argName) Check that arg is greater than or equal to min.
static com.google.common.base.Optional<Integer>	checkMin(com.google.common.base.Optional<Integer> arg, int min, String argName) If arg.isPresent(), check that the Integer it contains is greater than or equal to min
static com.google.common.base.Optional<Long>	checkMin(com.google.common.base.Optional<Long> arg, long min, String argName) If arg.isPresent(), check that the Long it contains is greater than or equal to min
static com.google.common.base.Optional<String>	checkNotBlank(com.google.common.base.Optional<String> arg, String argName) If arg.isPresent(), check that the string it contains is not whitespace, empty ("") or null.
static String	checkNotBlank(String arg, String argName) Check that a String is not whitespace, empty ("") or null.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Precondition

public Precondition()

Method Detail

checkNotBlank

public static String checkNotBlank(String arg,
                   String argName)

Check that a String is not whitespace, empty ("") or null.

checkNotBlank

public static com.google.common.base.Optional<String> checkNotBlank(com.google.common.base.Optional<String> arg,
                                                    String argName)

If arg.isPresent(), check that the string it contains is not whitespace, empty ("") or null.

checkMin

public static com.google.common.base.Optional<Integer> checkMin(com.google.common.base.Optional<Integer> arg,
                                                int min,
                                                String argName)

If arg.isPresent(), check that the Integer it contains is greater than or equal to min

checkMin

public static com.google.common.base.Optional<Long> checkMin(com.google.common.base.Optional<Long> arg,
                                             long min,
                                             String argName)

If arg.isPresent(), check that the Long it contains is greater than or equal to min

checkMin

public static int checkMin(int arg,
           int min,
           String argName)

Check that arg is greater than or equal to min.

checkMin

public static long checkMin(long arg,
            long min,
            String argName)

Check that arg is greater than or equal to min.