org.hibernate.engine.jdbc.internal.HighlightingFormatter Maven / Gradle / Ivy

Show more of this group Show more artifacts with this name
Show all versions of hibernate-core Show documentation

Hibernate's core ORM functionality

There is a newer version: 7.0.0.Alpha1

/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * License: GNU Lesser General Public License (LGPL), version 2.1 or later.
 * See the lgpl.txt file in the root directory or .
 */
package org.hibernate.engine.jdbc.internal;

import org.hibernate.engine.jdbc.env.spi.AnsiSqlKeywords;
import org.hibernate.internal.util.StringHelper;

import java.util.Arrays;
import java.util.HashSet;
import java.util.Set;
import java.util.StringTokenizer;

/**
 * Performs basic syntax highlighting for SQL using ANSI escape codes.
 *
 * @author Gavin King
 */
public final class HighlightingFormatter implements Formatter {

	private static final Set KEYWORDS = new HashSet<>( AnsiSqlKeywords.INSTANCE.sql2003() );
	static {
		// additional keywords not reserved by ANSI SQL 2003
		KEYWORDS.addAll( Arrays.asList( "KEY", "SEQUENCE", "CASCADE", "INCREMENT" ) );
	}

	public static final Formatter INSTANCE =
			new HighlightingFormatter(
					"34", // blue
					"36", // cyan
					"32"
			);
	private static final String SYMBOLS_AND_WS = "=>