[Hibernate-commits] Hibernate2/src/net/sf/hibernate/sql Alias.java,NONE,1.1

[<one...@us...>]

Update of /cvsroot/hibernate/Hibernate2/src/net/sf/hibernate/sql
In directory sc8-pr-cvs1:/tmp/cvs-serv22983/src/net/sf/hibernate/sql

Added Files:
	Alias.java 
Log Message:
added missing file

--- NEW FILE: Alias.java ---
//$Id: Alias.java,v 1.1 2003/03/16 01:47:52 oneovthafew Exp $
package net.sf.hibernate.sql;

import net.sf.hibernate.dialect.Dialect;

/**
 * @author Administrator
 *
 */
public final class Alias {
	
	private final int length;
	private final String suffix;

	/**
	 * Constructor for Alias.
	 */
	public Alias(int length, String suffix) {
		super();
		this.length = (suffix==null) ? length : length - suffix.length();
		this.suffix = suffix;
	}
	
	/**
	 * Constructor for Alias.
	 */
	public Alias(String suffix) {
		super();
		this.length = Integer.MAX_VALUE;
		this.suffix = suffix;
	}
	
	public String toAliasString(String sqlIdentifier) {
		
		char begin = sqlIdentifier.charAt(0);
		int quoteType = Dialect.QUOTE.indexOf(begin);
		String unquoted;
		if ( quoteType>=0 ) {
			unquoted = sqlIdentifier.substring(1, sqlIdentifier.length()-1 );
		}
		else {
			unquoted = sqlIdentifier;
		}
		;
		if ( unquoted.length() > length ) {
			unquoted = unquoted.substring(0, length);
		}
		
		if (suffix!=null) unquoted += suffix;
		
		if ( quoteType >= 0 ) {
			char endQuote = Dialect.CLOSED_QUOTE.charAt(quoteType);
			return endQuote + unquoted + endQuote;
		}
		else {
			return unquoted;
		}
		
	}
	
	public String[] toAliasStrings(String[] sqlIdentifiers) {
		String[] aliases = new String[ sqlIdentifiers.length ];
		for ( int i=0; i<sqlIdentifiers.length; i++ ) {
			aliases[i] = toAliasString(sqlIdentifiers[i]);
		}
		return aliases;
	}

}