/* * Distributed as part of c3p0 v.0.9.1-pre6 * * Copyright (C) 2005 Machinery For Change, Inc. * * Author: Steve Waldman <swaldman@mchange.com> * * This library is free software; you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License version 2.1, as  * published by the Free Software Foundation. * * This software 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 software; see the file LICENSE.  If not, write to the * Free Software Foundation, Inc., 59 Temple Place, Suite 330, * Boston, MA 02111-1307, USA. */package com.mchange.v2.codegen.bean;import java.util.*;import java.io.IOException;import com.mchange.v2.codegen.IndentedWriter;public class PropsToStringGeneratorExtension implements GeneratorExtension {    private Collection excludePropNames = null;    public void setExcludePropertyNames( Collection excludePropNames )    { this.excludePropNames = excludePropNames; }    public Collection getExcludePropertyNames()    { return excludePropNames; }    public Collection extraGeneralImports()    { return Collections.EMPTY_SET; }    public Collection extraSpecificImports()    { return Collections.EMPTY_SET; }    public Collection extraInterfaceNames()    { return Collections.EMPTY_SET; }    public void generate(ClassInfo info, Class superclassType, Property[] props, Class[] propTypes, IndentedWriter iw)	throws IOException    {	iw.println("public String toString()");	iw.println("{");	iw.upIndent();	iw.println("StringBuffer sb = new StringBuffer();");	iw.println("sb.append( super.toString() );");	iw.println("sb.append(\" [ \");");	for (int i = 0, len = props.length; i < len; ++i)	    {		Property prop = props[i];		if ( excludePropNames != null && excludePropNames.contains( prop.getName() ) )		    continue;		iw.println("sb.append( \"" + prop.getName() + " -> \"" + " + " + prop.getName() + " );");		if ( i != len - 1 )		    iw.println("sb.append( \", \");");	    }	iw.println();	iw.println("String extraToStringInfo = this.extraToStringInfo();");	iw.println("if (extraToStringInfo != null)");	iw.upIndent();	iw.println("sb.append( extraToStringInfo );");	iw.downIndent();	iw.println("sb.append(\" ]\");");	iw.println("return sb.toString();");	iw.downIndent();	iw.println("}");	iw.println();	iw.println("protected String extraToStringInfo()");	iw.println("{ return null; }");    }}