org.apache.poi.ss.util

Class WorkbookUtil

java.lang.Object

org.apache.poi.ss.util.WorkbookUtil

public class WorkbookUtil
extends java.lang.Object

Helper methods for when working with Usermodel Workbooks

Constructor Summary

Constructors

Constructor and Description
WorkbookUtil()

Method Summary

Modifier and Type	Method and Description
static java.lang.String	createSafeSheetName(java.lang.String nameProposal) Creates a valid sheet name, which is conform to the rules.
static java.lang.String	createSafeSheetName(java.lang.String nameProposal, char replaceChar) Creates a valid sheet name, which is conform to the rules.
static void	validateSheetName(java.lang.String sheetName) Validates sheet name.

Methods inherited from class java.lang.Object

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

Constructor Detail

WorkbookUtil

public WorkbookUtil()

Method Detail

createSafeSheetName

public static java.lang.String createSafeSheetName(java.lang.String nameProposal)

Creates a valid sheet name, which is conform to the rules. In any case, the result safely can be used for Workbook.setSheetName(int, String).
Rules:

• never null
• minimum length is 1
• maximum length is 31
• doesn't contain special chars: : 0x0000, 0x0003, / \ ? * ] [
• Sheet names must not begin or end with ' (apostrophe)

Invalid characters are replaced by one space character ' '.

Parameters:

nameProposal - can be any string, will be truncated if necessary, allowed to be null

Returns:

a valid string, "empty" if to short, "null" if null

createSafeSheetName

public static java.lang.String createSafeSheetName(java.lang.String nameProposal,
                                                   char replaceChar)

Creates a valid sheet name, which is conform to the rules. In any case, the result safely can be used for Workbook.setSheetName(int, String).
Rules:

• never null
• minimum length is 1
• maximum length is 31
• doesn't contain special chars: : 0x0000, 0x0003, / \ ? * ] [
• Sheet names must not begin or end with ' (apostrophe)

Parameters:

nameProposal - can be any string, will be truncated if necessary, allowed to be null

replaceChar - the char to replace invalid characters.

Returns:

a valid string, "empty" if to short, "null" if null

validateSheetName

public static void validateSheetName(java.lang.String sheetName)

Validates sheet name.

The character count MUST be greater than or equal to 1 and less than or equal to 31. The string MUST NOT contain the any of the following characters:

• 0x0000
• 0x0003
• colon (:)
• backslash (\)
• asterisk (*)
• question mark (?)
• forward slash (/)
• opening square bracket ([)
• closing square bracket (])

The string MUST NOT begin or end with the single quote (') character.

Parameters:

sheetName - the name to validate

Throws:

java.lang.IllegalArgumentException - if validation fails