alvinalexander.com | career | drupal | java | mac | mysql | perl | scala | uml | unix  

Hibernate example source code file (TemplatedViolatedConstraintNameExtracter.java)

This example Hibernate source code file (TemplatedViolatedConstraintNameExtracter.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Hibernate tags/keywords

string, string, templatedviolatedconstraintnameextracter, templatedviolatedconstraintnameextracter, violatedconstraintnameextracter, violatedconstraintnameextracter

The Hibernate TemplatedViolatedConstraintNameExtracter.java source code

/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * Copyright (c) 2008-2011, Red Hat Inc. or third-party contributors as
 * indicated by the @author tags or express copyright attribution
 * statements applied by the authors.  All third-party contributions are
 * distributed under license by Red Hat Inc.
 *
 * This copyrighted material is made available to anyone wishing to use, modify,
 * copy, or redistribute it subject to the terms and conditions of the GNU
 * Lesser General Public License, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
 * for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this distribution; if not, write to:
 * Free Software Foundation, Inc.
 * 51 Franklin Street, Fifth Floor
 * Boston, MA  02110-1301  USA
 */
package org.hibernate.exception.spi;

/**
 * Knows how to extract a violated constraint name from an error message based on the
 * fact that the constraint name is templated within the message.
 *
 * @author Steve Ebersole
 */
public abstract class TemplatedViolatedConstraintNameExtracter implements ViolatedConstraintNameExtracter {

	/**
	 * Extracts the constraint name based on a template (i.e., <i>templateStartconstraintNametemplateEnd).
	 *
	 * @param templateStart The pattern denoting the start of the constraint name within the message.
	 * @param templateEnd   The pattern denoting the end of the constraint name within the message.
	 * @param message       The templated error message containing the constraint name.
	 * @return The found constraint name, or null.
	 */
	protected String extractUsingTemplate(String templateStart, String templateEnd, String message) {
		int templateStartPosition = message.indexOf( templateStart );
		if ( templateStartPosition < 0 ) {
			return null;
		}

		int start = templateStartPosition + templateStart.length();
		int end = message.indexOf( templateEnd, start );
		if ( end < 0 ) {
			end = message.length();
		}

		return message.substring( start, end );
	}

}

Other Hibernate examples (source code examples)

Here is a short list of links related to this Hibernate TemplatedViolatedConstraintNameExtracter.java source code file:

... this post is sponsored by my books ...

#1 New Release!

FP Best Seller

 

new blog posts

 

Copyright 1998-2021 Alvin Alexander, alvinalexander.com
All Rights Reserved.

A percentage of advertising revenue from
pages under the /java/jwarehouse URI on this website is
paid back to open source projects.