io.logspace.jvm.agent.shaded.mchange.v2.codegen.bean.ExplicitPropsConstructorGeneratorExtension 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.jvm.agent.shaded.mchange.v2.codegen.bean;
import java.util.*;
import io.logspace.jvm.agent.shaded.mchange.v2.log.*;
import java.lang.reflect.Modifier;
import java.io.IOException;
import io.logspace.jvm.agent.shaded.mchange.v2.codegen.CodegenUtils;
import io.logspace.jvm.agent.shaded.mchange.v2.codegen.IndentedWriter;
/**
* Writes a constructor that takes an explicitly listed subset of a bean's properties
* for its arguments, and sets these properties initial values appropriately.
* Skips any specified names for properties that are not found in a bean being generated.
* Writes nothing if there are none of the property names are properties of the bean.
*/
public class ExplicitPropsConstructorGeneratorExtension implements GeneratorExtension
{
final static MLogger logger = MLog.getLogger( ExplicitPropsConstructorGeneratorExtension.class );
String[] propNames;
boolean skips_silently = false;
public ExplicitPropsConstructorGeneratorExtension()
{}
public ExplicitPropsConstructorGeneratorExtension(String[] propNames)
{ this.propNames = propNames; }
public String[] getPropNames()
{ return (String[]) propNames.clone(); }
public void setPropNames(String[] propNames)
{ this.propNames = (String[]) propNames.clone(); }
public boolean isSkipsSilently()
{ return skips_silently; }
public void setsSkipsSilently( boolean skips_silently )
{ this.skips_silently = skips_silently; }
int ctor_modifiers = Modifier.PUBLIC;
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
{
Map propNamesToProps = new HashMap();
for (int i = 0, len = props.length; i < len; ++i)
propNamesToProps.put( props[i].getName(), props[i] );
List subPropsList = new ArrayList( propNames.length );
for (int i = 0, len = propNames.length; i < len; ++i)
{
Property p = (Property) propNamesToProps.get( propNames[i] );
if ( p == null )
logger.warning("Could not include property '" + propNames[i] +"' in explicit-props-constructor generated for bean class '" +
info.getClassName() +"' because the property is not defined for the bean. Skipping.");
else
subPropsList.add(p);
}
if (subPropsList.size() > 0)
{
Property[] subProps = (Property[]) subPropsList.toArray( new Property[ subPropsList.size() ] );
iw.print( CodegenUtils.getModifierString( ctor_modifiers ) );
iw.print( info.getClassName() + "( ");
BeangenUtils.writeArgList(subProps, true, iw);
iw.println(" )");
iw.println("{");
iw.upIndent();
for (int i = 0, len = subProps.length; i < len; ++i)
{
iw.print("this." + subProps[i].getName() + " = ");
String setExp = subProps[i].getDefensiveCopyExpression();
if (setExp == null)
setExp = subProps[i].getName();
iw.println(setExp + ';');
}
iw.downIndent();
iw.println("}");
}
}
}