io.logspace.agent.shaded.mchange.v2.codegen.bean.CloneableExtension Maven / Gradle / Ivy

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/*
 * Distributed as part of c3p0 v.0.9.1.1
 *
 * Copyright (C) 2005 Machinery For Change, Inc.
 *
 * Author: Steve Waldman 
 *
 * 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 io.logspace.agent.shaded.mchange.v2.codegen.bean;

import java.util.*;
import java.io.IOException;
import io.logspace.agent.shaded.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[] {"io.logspace.agent.shaded.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...
    }
}