gudusoft.gsqlparser.resolver2.format

Class DisplayNameNormalizer

Object

gudusoft.gsqlparser.resolver2.format.DisplayNameNormalizer

public class DisplayNameNormalizer
extends Object

Normalizes identifier names for display output.

This class provides display-focused normalization that is separate from the matching/equality normalization used during name resolution. The key principle is:

• Matching normalization (in IdentifierService): applies case folding and other transformations to create a canonical key for comparison
• Display normalization (this class): strips delimiters but preserves the original case as written by the user

Usage Example:

 DisplayNameNormalizer normalizer = new DisplayNameNormalizer(EDbVendor.dbvbigquery);
 normalizer.setMode(DisplayNameMode.DISPLAY);

 // Strip backticks, preserve case
 String display = normalizer.normalizeTableName("`kalyan-DB`.`test-schema`.`t1`");
 // Result: "kalyan-DB.test-schema.t1"
 

See Also:

DisplayNameMode, DisplayNamePolicy

Constructor Summary

Constructors

Constructor and Description
DisplayNameNormalizer() Create a normalizer with default vendor (ANSI).
DisplayNameNormalizer(EDbVendor vendor) Create a normalizer for the specified database vendor.

Method Summary

Modifier and Type	Method and Description
DisplayNameMode	getMode() Get the current display mode.
String	getTableDisplayName(TTable table) Get a display name for a table, handling various TTable configurations.
boolean	isStripDelimiters() Check if delimiters should be stripped.
String	normalizeColumnName(String columnName) Normalize a column name for display.
String	normalizeIdentifier(String identifier) Normalize a single identifier (without dots) for display.
String	normalizeObjectName(TObjectName objectName) Normalize an object name (table or column) for display.
String	normalizeQualifiedName(String qualifiedName) Normalize a qualified name (e.g., schema.table.column) for display.
String	normalizeTableName(TTable table) Normalize a table name for display.
DisplayNameNormalizer	setMode(DisplayNameMode mode) Set the display mode.
DisplayNameNormalizer	setStripDelimiters(boolean stripDelimiters) Set whether to strip delimiters.
String	stripAllDelimiters(String identifier) Strip all SQL delimiters from an identifier.
String	toString()

Methods inherited from class Object

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

Constructor Detail

DisplayNameNormalizer

public DisplayNameNormalizer(EDbVendor vendor)

Create a normalizer for the specified database vendor.

Parameters:

vendor - the database vendor (determines delimiter style)

DisplayNameNormalizer

public DisplayNameNormalizer()

Create a normalizer with default vendor (ANSI).

Method Detail

getMode

public DisplayNameMode getMode()

Get the current display mode.

setMode

public DisplayNameNormalizer setMode(DisplayNameMode mode)

Set the display mode.

Parameters:

mode - the display mode

Returns:

this normalizer for chaining

isStripDelimiters

public boolean isStripDelimiters()

Check if delimiters should be stripped.

setStripDelimiters

public DisplayNameNormalizer setStripDelimiters(boolean stripDelimiters)

Set whether to strip delimiters.

Parameters:

stripDelimiters - true to strip delimiters

Returns:

this normalizer for chaining

normalizeTableName

public String normalizeTableName(TTable table)

Normalize a table name for display.

Parameters:

table - the table object

Returns:

the normalized display name

normalizeObjectName

public String normalizeObjectName(TObjectName objectName)

Normalize an object name (table or column) for display.

Parameters:

objectName - the object name node

Returns:

the normalized display name

normalizeColumnName

public String normalizeColumnName(String columnName)

Normalize a column name for display.

Parameters:

columnName - the column name (may include table prefix)

Returns:

the normalized display name

normalizeQualifiedName

public String normalizeQualifiedName(String qualifiedName)

Normalize a qualified name (e.g., schema.table.column) for display.

This method handles multi-part names by normalizing each segment separately while preserving the dot separators.

Parameters:

qualifiedName - the qualified name

Returns:

the normalized display name

normalizeIdentifier

public String normalizeIdentifier(String identifier)

Normalize a single identifier (without dots) for display.

Parameters:

identifier - the identifier

Returns:

the normalized identifier

stripAllDelimiters

public String stripAllDelimiters(String identifier)

Strip all SQL delimiters from an identifier.

Handles multiple delimiter styles:

• Double quotes: "name" → name
• Backticks: `name` → name
• Square brackets: [name] → name
• Single quotes (for some vendors): 'name' → name

Parameters:

identifier - the identifier (may be quoted)

Returns:

the identifier without delimiters

getTableDisplayName

public String getTableDisplayName(TTable table)

Get a display name for a table, handling various TTable configurations.

Parameters:

table - the table

Returns:

the display name

toString

public String toString()

Overrides:

toString in class Object