/*
* Copyright 2011 JBoss, a divison Red Hat, Inc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jboss.errai.ioc.rebind.ioc;
import java.lang.annotation.Annotation;
import org.jboss.errai.ioc.rebind.ioc.codegen.Statement;
import org.jboss.errai.ioc.rebind.ioc.codegen.meta.MetaClass;
import org.jboss.errai.ioc.rebind.ioc.codegen.meta.MetaField;
import org.jboss.errai.ioc.rebind.ioc.codegen.meta.MetaMethod;
import org.jboss.errai.ioc.rebind.ioc.codegen.meta.MetaParameter;
public class DecoratorTask extends InjectionTask {
private final IOCDecoratorExtension[] IOCExtensions;
public DecoratorTask(Injector injector, MetaClass type, IOCDecoratorExtension[] decs) {
super(injector, type);
this.IOCExtensions = decs;
}
public DecoratorTask(Injector injector, MetaField field, IOCDecoratorExtension[] decs) {
super(injector, field);
this.IOCExtensions = decs;
}
public DecoratorTask(Injector injector, MetaMethod method, IOCDecoratorExtension[] decs) {
super(injector, method);
this.IOCExtensions = decs;
}
public DecoratorTask(Injector injector, MetaParameter parm, IOCDecoratorExtension[] decs) {
super(injector, parm);
this.IOCExtensions = decs;
}
@SuppressWarnings({"unchecked"})
@Override
public boolean doTask(InjectionContext ctx) {
Annotation anno = null;
for (IOCDecoratorExtension<? extends Annotation> dec : IOCExtensions) {
switch (injectType) {
case PrivateField:
case Field:
anno = field.getAnnotation(dec.decoratesWith());
break;
case PrivateMethod:
case Method:
anno = method.getAnnotation(dec.decoratesWith());
if (anno == null && field != null) {
anno = field.getAnnotation(dec.decoratesWith());
}
else if (anno == null && parm != null) {
anno = parm.getAnnotation(dec.decoratesWith());
}
break;
case Type:
anno = type.getAnnotation(dec.decoratesWith());
break;
}
Statement stmt = dec.generateDecorator(new InjectableInstance(anno, injectType, constructor, method, field, type,
parm, injector, ctx));
ctx.getProcessingContext().append(stmt);
}
return true;
}
}