/* * 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 CloneableExtension implements GeneratorExtension{    boolean export_public;    boolean exception_swallowing;    String mLoggerName = null;    public boolean isExportPublic()    { return export_public; }    public void setExportPublic(boolean export_public)    { this.export_public = export_public; }    public boolean isExceptionSwallowing()    { return exception_swallowing; }    public void setExceptionSwallowing(boolean exception_swallowing)    { this.exception_swallowing = exception_swallowing; }    public String getMLoggerName()    { return mLoggerName; }    public void setMLoggerName( String mLoggerName )    { this.mLoggerName = mLoggerName; }    public CloneableExtension(boolean export_public, boolean exception_swallowing)    { 	this.export_public = export_public; 	this.exception_swallowing = exception_swallowing;    }    public CloneableExtension()    { this ( true, false ); }    public Collection extraGeneralImports()    { return (mLoggerName == null ? ((Collection) Collections.EMPTY_SET) : ((Collection) Arrays.asList( new String[] {"com.mchange.v2.log"} )) ); }    public Collection extraSpecificImports()    { return Collections.EMPTY_SET; }    public Collection extraInterfaceNames()    {	Set set = new HashSet();	set.add( "Cloneable" );	return set;    }    public void generate(ClassInfo info, Class superclassType, Property[] props, Class[] propTypes, IndentedWriter iw)	throws IOException    {	if (export_public)	    {		iw.print("public Object clone()");		if ( !exception_swallowing )		    iw.println(" throws CloneNotSupportedException");		else		    iw.println();		iw.println("{");		iw.upIndent();		if ( exception_swallowing )		    {			iw.println("try");			iw.println("{");			iw.upIndent();		    }		iw.println( "return super.clone();" );		if ( exception_swallowing )		    {			iw.downIndent();			iw.println("}");			iw.println("catch (CloneNotSupportedException e)");			iw.println("{");			iw.upIndent();			if (mLoggerName == null)			    iw.println("e.printStackTrace();");			else			    {				iw.println("if ( " + mLoggerName + ".isLoggable( MLevel.FINE ) )" );				iw.upIndent();				iw.println( mLoggerName + ".log( MLevel.FINE, \"Inconsistent clone() definitions between subclass and superclass! \", e );");				iw.downIndent();			    }			iw.println("throw new RuntimeException(\"Inconsistent clone() definitions between subclass and superclass! \" + e);" );			iw.downIndent();			iw.println("}");		    }					iw.downIndent();		iw.println("}");	    }	//else, write nothing... just add Cloneable to interface definitions...    }}