Package org.hibernate.exception.spi

Class TemplatedViolatedConstraintNameExtractor

java.lang.Object

org.hibernate.exception.spi.TemplatedViolatedConstraintNameExtractor

All Implemented Interfaces:

ViolatedConstraintNameExtractor

public class TemplatedViolatedConstraintNameExtractor
extends Object
implements ViolatedConstraintNameExtractor

Extracts a violated database constraint name from an error message by matching the error message against a template.

Constructor Summary

Constructors

Constructor	Description
TemplatedViolatedConstraintNameExtractor(Function<SQLException,String> extractConstraintName)

Method Summary

Modifier and Type	Method	Description
@Nullable String	extractConstraintName(SQLException exception)	Extract the name of the violated constraint from the given SQLException.
static @Nullable String	extractUsingTemplate(String templateStart, String templateEnd, String message)	Extracts the constraint name based on a template of form templateStartconstraintNametemplateEnd.

Methods inherited from class java.lang.Object

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

Constructor Details

TemplatedViolatedConstraintNameExtractor

public TemplatedViolatedConstraintNameExtractor(Function<SQLException,String> extractConstraintName)

Method Details

extractConstraintName

public @Nullable String extractConstraintName(SQLException exception)

Description copied from interface: ViolatedConstraintNameExtractor

Extract the name of the violated constraint from the given SQLException.

Specified by:

extractConstraintName in interface ViolatedConstraintNameExtractor

Parameters:

exception - The exception that was the result of the constraint violation.

Returns:

The extracted constraint name.

extractUsingTemplate

public static @Nullable String extractUsingTemplate(String templateStart,
 String templateEnd,
 String message)

Extracts the constraint name based on a template of form templateStartconstraintNametemplateEnd.

Parameters:

templateStart - The pattern denoting the start of the constraint name within the message.

templateEnd - The pattern denoting the end of the constraint name within the message.

message - The templated error message containing the constraint name.

Returns:

The found constraint name, or null.