68 lines
2.5 KiB
Java
68 lines
2.5 KiB
Java
/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* $Header:$
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*/
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package org.apache.beehive.controls.runtime.generator;
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import com.sun.mirror.declaration.FieldDeclaration;
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import com.sun.mirror.type.InterfaceType;
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import com.sun.mirror.type.TypeMirror;
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import org.apache.beehive.controls.runtime.generator.apt.TwoPhaseAnnotationProcessor;
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/**
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* The AptContextField class contains information about a field referring to a contextual
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* service with an AptControlImplementation class.
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*/
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public class AptContextField extends AptEventField
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{
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/**
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* Base constructor, protected so only a custom subclass can invoke
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* @param controlImpl the declaring ControlImplementation
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*/
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public AptContextField(AptControlImplementation controlImpl, FieldDeclaration fieldDecl,
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TwoPhaseAnnotationProcessor ap)
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{
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super(fieldDecl);
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_controlImpl = controlImpl;
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_ap = ap;
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};
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/**
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* Initializes a ControlInterface associated with this context field. Because
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* contextual services can expose both APIs and events, they are similar to controls.
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*/
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protected AptControlInterface initControlInterface()
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{
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TypeMirror fieldType = _fieldDecl.getType();
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if (! (fieldType instanceof InterfaceType))
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{
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_ap.printError( _fieldDecl, "context.field.badinterface" );
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return null;
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}
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//
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// For contextual services, the declared type of the field is always the public
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// interface for the contextual service.
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//
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return new AptControlInterface(((InterfaceType)_fieldDecl.getType()).getDeclaration(),
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_ap);
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}
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private AptControlImplementation _controlImpl;
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private TwoPhaseAnnotationProcessor _ap;
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}
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