/*
* Copyright 2011 JBoss, by 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.injector.api;
import org.jboss.errai.codegen.meta.MetaClass;
import org.jboss.errai.codegen.meta.MetaConstructor;
import org.jboss.errai.codegen.meta.MetaField;
import org.jboss.errai.codegen.meta.MetaMethod;
import org.jboss.errai.codegen.meta.MetaParameter;
import org.jboss.errai.codegen.util.PrivateAccessType;
import org.jboss.errai.ioc.rebind.ioc.exception.InjectionFailure;
import org.jboss.errai.ioc.rebind.ioc.injector.InjectUtil;
import org.jboss.errai.ioc.rebind.ioc.injector.Injector;
import org.jboss.errai.ioc.rebind.ioc.metadata.QualifyingMetadata;
import java.lang.annotation.Annotation;
import java.util.List;
import static org.jboss.errai.codegen.util.PrivateAccessUtil.getPrivateFieldInjectorName;
/**
* @author Mike Brock
*/
public class InjectionPoint<T> {
protected T annotation;
protected TaskType taskType;
protected MetaConstructor constructor;
protected MetaMethod method;
protected MetaField field;
protected MetaClass type;
protected MetaParameter parm;
protected Injector injector;
protected InjectionContext injectionContext;
public InjectionPoint(T annotation, TaskType taskType, MetaConstructor constructor, MetaMethod method,
MetaField field, MetaClass type, MetaParameter parm, Injector injector, InjectionContext injectionContext) {
this.annotation = annotation;
this.taskType = taskType;
this.constructor = constructor;
this.method = method;
this.field = field;
this.type = type;
this.parm = parm;
this.injector = injector;
this.injectionContext = injectionContext;
}
public T getAnnotation() {
return annotation;
}
public MetaConstructor getConstructor() {
return constructor;
}
public TaskType getTaskType() {
return taskType;
}
public MetaMethod getMethod() {
return method;
}
public MetaField getField() {
return field;
}
public MetaClass getType() {
if (type != null) return type;
switch (taskType) {
case PrivateField:
case Field:
return type = field.getType();
case PrivateMethod:
case Parameter:
return type = parm.getType();
case Type:
return type;
default:
throw new RuntimeException("unsupported operation: getType for task: " + taskType);
}
}
public MetaClass getElementTypeOrMethodReturnType() {
switch (taskType) {
case PrivateField:
case Field:
return type = field.getType();
case PrivateMethod:
case Method:
return type = method.getReturnType();
case Parameter:
return type = parm.getType();
case Type:
return type;
default:
throw new RuntimeException("unsupported operation: getType for task: " + taskType);
}
}
public MetaParameter getParm() {
return parm;
}
public Injector getInjector() {
return injector;
}
public InjectionContext getInjectionContext() {
return injectionContext;
}
public void ensureMemberExposed() {
ensureMemberExposed(PrivateAccessType.Both);
}
public void ensureMemberExposed(PrivateAccessType accessType) {
switch (taskType) {
case Parameter:
if (parm.getDeclaringMember() instanceof MetaMethod) {
MetaMethod declMeth = (MetaMethod) parm.getDeclaringMember();
injectionContext.addExposedMethod(declMeth);
}
case PrivateMethod:
injectionContext.addExposedMethod(method);
break;
case PrivateField:
injectionContext.addExposedField(field, accessType);
break;
}
}
public String getMemberName() {
switch (taskType) {
case PrivateField:
return getPrivateFieldInjectorName(field) + "(" + injector.getVarName() + ")";
case Field:
return field.getName();
case Parameter:
case PrivateMethod:
case Method:
return method.getName();
case Type:
return type.getName();
default:
return null;
}
}
public MetaClass getEnclosingType() {
switch (taskType) {
case PrivateField:
case Field:
return field.getDeclaringClass();
case PrivateMethod:
case Method:
return method.getDeclaringClass();
case Type:
return type;
case Parameter:
return parm.getType();
default:
throw new RuntimeException("unsupported operation: getEncodingType for task: " + taskType);
}
}
public Annotation[] getQualifiers() {
List<Annotation> annotations;
switch (taskType) {
case PrivateField:
case Field:
annotations = InjectUtil.getQualifiersFromAnnotations(field.getAnnotations());
return annotations.toArray(new Annotation[annotations.size()]);
case Parameter:
annotations = InjectUtil.getQualifiersFromAnnotations(parm.getAnnotations());
return annotations.toArray(new Annotation[annotations.size()]);
case PrivateMethod:
case Method:
annotations = InjectUtil.getQualifiersFromAnnotations(method.getAnnotations());
return annotations.toArray(new Annotation[annotations.size()]);
case Type:
annotations = InjectUtil.getQualifiersFromAnnotations(type.getAnnotations());
return annotations.toArray(new Annotation[annotations.size()]);
default:
return new Annotation[0];
}
}
public QualifyingMetadata getQualifyingMetadata() {
return injectionContext.getProcessingContext().getQualifyingMetadataFactory().createFrom(getQualifiers());
}
private Boolean _isProxyCache;
public boolean isProxy() {
if (_isProxyCache != null) return _isProxyCache;
try {
return _isProxyCache = injectionContext.isProxiedInjectorRegistered(getEnclosingType(), getQualifyingMetadata());
}
catch (InjectionFailure e) {
return _isProxyCache = false;
}
}
}