com.endeca.portlet.util

Class StringUtil

java.lang.Object

com.endeca.portlet.util.StringUtil

public class StringUtil
extends java.lang.Object

String Utility functions

Constructor Summary

Constructors

Constructor and Description
StringUtil()

Method Summary

Methods

Modifier and Type	Method and Description
static int	codePointCount(java.lang.String str) Returns the number of Unicode code points in the passed string.
static java.lang.String	codePointSubString(java.lang.String str, int startIndex, int codePointOffset) Returns the substring of a string in terms of code points and not 'char' values.
static java.lang.String	convertToUnicode(java.lang.String source) Convert string to unicode, exclude the char value < 256
static java.lang.String	escapeHiveTableProperties(java.lang.String propertyValue, char propertyQuoteChar) This method escapes single/double quotes in a string used as a hive table property value.
static java.lang.String	unicodeToString(java.lang.String unicodeSource) Convert unicode string to a normal string
static boolean	validateHive0Dot12TableColumnName(java.lang.String name) Validates a table/column name for Hive version 0.12 or earlier.

Methods inherited from class java.lang.Object

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

Constructor Detail

StringUtil

public StringUtil()

Method Detail

codePointCount

public static int codePointCount(java.lang.String str)

Returns the number of Unicode code points in the passed string.

Parameters:

str -

Returns:

codePointSubString

public static java.lang.String codePointSubString(java.lang.String str,
                                  int startIndex,
                                  int codePointOffset)

Returns the substring of a string in terms of code points and not 'char' values. This takes into consideration surrogate characters which are considered as two different 'char's in substring method of String.

Parameters:

str - - The original string

startIndex - - The starting index

codePointOffset - - The offset in code points

Returns:

convertToUnicode

public static java.lang.String convertToUnicode(java.lang.String source)

Convert string to unicode, exclude the char value < 256

Parameters:

source - the original string to convert

Returns:

unicodeToString

public static java.lang.String unicodeToString(java.lang.String unicodeSource)

Convert unicode string to a normal string

Parameters:

unicodeSource - the unicode string to convert

Returns:

escapeHiveTableProperties

public static java.lang.String escapeHiveTableProperties(java.lang.String propertyValue,
                                         char propertyQuoteChar)

This method escapes single/double quotes in a string used as a hive table property value.

Parameters:

propertyValue -

propertyQuoteChar -

Returns:

the escaped propertyValue

validateHive0Dot12TableColumnName

public static boolean validateHive0Dot12TableColumnName(java.lang.String name)

Validates a table/column name for Hive version 0.12 or earlier.

Parameters:

name -

Returns:

true if the name is valid, false otherwise