/*
* Copyright 2010 Alibaba Group Holding Limited.
* All rights reserved.
*
* 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 com.alibaba.citrus.service.dataresolver;
import static com.alibaba.citrus.util.BasicConstant.*;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
import com.alibaba.citrus.generictype.TypeInfo;
import com.alibaba.citrus.util.internal.ToStringBuilder;
import com.alibaba.citrus.util.internal.ToStringBuilder.MapBuilder;
public class DataResolverContext {
public final static Annotation[] EMPTY_ANNOTATIONS = new Annotation[0];
private final TypeInfo type;
private final Annotation[] annotations;
private final Object[] extraInfo;
public DataResolverContext(Type type, Annotation[] annotations, Object[] extraInfo) {
this.type = TypeInfo.factory.getType(type);
this.annotations = annotations == null ? EMPTY_ANNOTATIONS : annotations;
this.extraInfo = extraInfo == null ? EMPTY_OBJECT_ARRAY : extraInfo;
}
public TypeInfo getTypeInfo() {
return type;
}
public Annotation[] getAnnotations() {
return annotations;
}
public Object[] getExtraInfo() {
return extraInfo;
}
public <A extends Annotation> A getAnnotation(Class<A> type) {
for (Annotation anno : annotations) {
if (type.isInstance(anno)) {
return type.cast(anno);
}
}
return null;
}
public <T> T getExtraObject(Class<T> type) {
for (Object obj : extraInfo) {
if (type.isInstance(obj)) {
return type.cast(obj);
}
}
return null;
}
@Override
public String toString() {
MapBuilder mb = new MapBuilder();
mb.append("type", type);
mb.append("annotations", annotations);
mb.append("extraInfo", extraInfo);
return new ToStringBuilder().append(getClass().getSimpleName()).append(mb).toString();
}
}