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java.lang.Objectorg.apache.oozie.util.ParamChecker
public class ParamChecker
Utility class to check common parameter preconditions.
Constructor Summary | |
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ParamChecker()
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Method Summary | ||
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static int |
checkGEZero(int value,
java.lang.String name)
Check whether the value is greater than or equals to 0. |
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static int |
checkGTZero(int value,
java.lang.String name)
Check whether the value is greater than or equals 0. |
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static int |
checkInteger(java.lang.String val,
java.lang.String name)
Check whether the value is Integer. |
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static java.util.TimeZone |
checkTimeZone(java.lang.String tzStr,
java.lang.String name)
Check whether the value mention correct Timezone. |
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static java.util.Date |
checkUTC(java.lang.String date,
java.lang.String name)
Check whether the value is UTC data format. |
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static boolean |
isMember(java.lang.String item,
java.lang.String[] members,
java.lang.String name)
Check whether an item is a member of an array of string |
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static boolean |
isValidIdentifier(java.lang.String token)
Return if the specified token is a valid Java identifier. |
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static java.lang.String |
notEmpty(java.lang.String str,
java.lang.String name)
Check that a string is not null and not empty. |
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static java.util.List<java.lang.String> |
notEmptyElements(java.util.List<java.lang.String> list,
java.lang.String name)
Check that a list is not null and that none of its elements is null. |
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static
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notNull(T obj,
java.lang.String name)
Check that a value is not null. |
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static
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notNullElements(java.util.List<T> list,
java.lang.String name)
Check that a list is not null and that none of its elements is null. |
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static java.lang.String |
validateActionName(java.lang.String actionName)
Check that the given string is a valid action name [a-zA-Z_][0-9a-zA-Z_\-]* and not longer than 50 chars. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public ParamChecker()
Method Detail |
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public static <T> T notNull(T obj, java.lang.String name)
obj
- value.name
- parameter name for the exception message.
public static <T> java.util.List<T> notNullElements(java.util.List<T> list, java.lang.String name)
list
- the list of strings.name
- parameter name for the exception message.
public static java.lang.String notEmpty(java.lang.String str, java.lang.String name)
str
- value.name
- parameter name for the exception message.
public static java.util.List<java.lang.String> notEmptyElements(java.util.List<java.lang.String> list, java.lang.String name)
list
- the list of strings.name
- parameter name for the exception message.
public static java.lang.String validateActionName(java.lang.String actionName)
actionName
- string to validate is a token.
public static boolean isValidIdentifier(java.lang.String token)
token
- string to validate if it is a valid Java identifier.
public static int checkGTZero(int value, java.lang.String name)
value
- : value to testname
- : Name of the parameter
public static int checkGEZero(int value, java.lang.String name)
value
- : value to testname
- : Name of the parameter
public static int checkInteger(java.lang.String val, java.lang.String name)
value
- : value to testname
- : Name of the parameter
public static java.util.Date checkUTC(java.lang.String date, java.lang.String name)
value
- : value to testname
- : Name of the parameter
public static java.util.TimeZone checkTimeZone(java.lang.String tzStr, java.lang.String name)
value
- : value to testname
- : Name of the parameter
public static boolean isMember(java.lang.String item, java.lang.String[] members, java.lang.String name)
item
- : item to testmembers
- : List of items in stringname
- : Name of the parameter
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