142 lines
4.8 KiB
Java
142 lines
4.8 KiB
Java
/*
|
|
* Copyright (c) 2008, 2018, Oracle and/or its affiliates. All rights reserved.
|
|
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
*
|
|
* This code is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License version 2 only, as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* This code 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 General Public License
|
|
* version 2 for more details (a copy is included in the LICENSE file that
|
|
* accompanied this code).
|
|
*
|
|
* You should have received a copy of the GNU General Public License version
|
|
* 2 along with this work; if not, write to the Free Software Foundation,
|
|
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*
|
|
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
|
* or visit www.oracle.com if you need additional information or have any
|
|
* questions.
|
|
*/
|
|
/*
|
|
* To change this template, choose Tools | Templates
|
|
* and open the template in the editor.
|
|
*/
|
|
|
|
package vm.share.options;
|
|
|
|
import java.util.HashMap;
|
|
import java.util.Map;
|
|
import nsk.share.TestBug;
|
|
|
|
/**
|
|
* This class allows user to create an {@link ObjectFactory} implementation
|
|
* via @{@link vm.share.options.Factory} annotation. See the source code of
|
|
* {@link vm.share.options.test.BasicObjectFactoryUsageExample} and
|
|
* {@link vm.share.options.test.ExampleWithNonprimitiveOptions}.
|
|
* @see Factory
|
|
* @see FClass
|
|
* @see ObjectFactory
|
|
*/
|
|
public class BasicObjectFactory<T> implements ObjectFactory<T>
|
|
{
|
|
public String getPlaceholder()
|
|
{
|
|
return getAnnotaion().placeholder_text();
|
|
}
|
|
|
|
public String[] getPossibleValues()
|
|
{
|
|
return getTypesMap().keySet().toArray(new String[0]);
|
|
}
|
|
|
|
public String getDescription()
|
|
{
|
|
return getAnnotaion().description().equals(Factory.defDescription)? null : getAnnotaion().description();
|
|
}
|
|
|
|
public String getDefaultValue()
|
|
{
|
|
return getAnnotaion().default_value().equals(Factory.defDefaultValue)? null :
|
|
getAnnotaion().default_value();
|
|
}
|
|
|
|
public String getParameterDescription(String key)
|
|
{
|
|
return getTypesMap().get(key).description();
|
|
}
|
|
|
|
|
|
// shouldn't value be named key?
|
|
|
|
public T getObject(String value)
|
|
{
|
|
try
|
|
{
|
|
@SuppressWarnings(value="unchecked")
|
|
T result = (T) getTypesMap().get(value).type().newInstance();
|
|
return result;
|
|
} catch (InstantiationException ex)
|
|
{
|
|
throw new TestBug("Error while trying to instantiate via " + this.getClass() + " for key " + value, ex);
|
|
} catch (IllegalAccessException ex)
|
|
{
|
|
throw new TestBug("Error while trying to instantiate via " + this.getClass() + " for key " + value, ex);
|
|
}
|
|
}
|
|
|
|
protected Factory getAnnotaion()
|
|
{
|
|
if(!this.getClass().isAnnotationPresent(Factory.class))
|
|
throw new TestBug(" Found an unnotated BasicObjectFactory subclass.");
|
|
Factory factoryAnn = this.getClass().getAnnotation(Factory.class);
|
|
return factoryAnn;
|
|
}
|
|
|
|
protected Map<String, FClass> getTypesMap()
|
|
{ // probably there could be some lazy initialization, but I decided not to deal with that.
|
|
FClass[] types = getAnnotaion().classlist();
|
|
Map<String, FClass> typesMap = new HashMap<String, FClass>(types.length);
|
|
for (FClass type : types)
|
|
{
|
|
typesMap.put(type.key(), type);
|
|
}
|
|
return typesMap;
|
|
|
|
}
|
|
|
|
// see ExampleWithNonprimitiveOptions instead.
|
|
// public void test()
|
|
// {
|
|
// if(!this.getClass().isAnnotationPresent(Factory.class))
|
|
// throw new RuntimeException(" Found an unnotated BasicObjectFactory subclass.");
|
|
// Factory factoryAnn = this.getClass().getAnnotation(Factory.class);
|
|
// System.out.println(" placeholder_text " + factoryAnn.placeholder_text());
|
|
// System.out.println(" default_value " +
|
|
// (factoryAnn.default_value().equals(Factory.defDefault_value) ? null : factoryAnn.default_value()) );
|
|
//
|
|
// }
|
|
//
|
|
// @Factory(placeholder_text="number", default_value="test",
|
|
// classlist = {
|
|
// @FClass( key="int", description="integer", type=int.class),
|
|
// @FClass( key="boolean", description="boolean", type=boolean.class)
|
|
// } )
|
|
// public static class testOF extends BasicObjectFactory<BasicObjectFactory> {}
|
|
//
|
|
//// @Factory(placeholder_text="placehldr1")
|
|
//// public static class testOF1 extends BasicObjectFactory<BasicObjectFactory> {}
|
|
//
|
|
//
|
|
// public static void main(String[] args)
|
|
// {
|
|
// BasicObjectFactory bof = new testOF();
|
|
// bof.test();
|
|
//// new testOF1().test();
|
|
//
|
|
// }
|
|
|
|
}
|