/* | |
* Licensed to the Apache Software Foundation (ASF) under one | |
* or more contributor license agreements. See the NOTICE file | |
* distributed with this work for additional information | |
* regarding copyright ownership. The ASF licenses this file | |
* to you 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.apache.struts2.convention; | |
import com.opensymphony.xwork2.ObjectFactory; | |
import com.opensymphony.xwork2.config.Configuration; | |
import com.opensymphony.xwork2.config.entities.InterceptorMapping; | |
import com.opensymphony.xwork2.config.entities.PackageConfig; | |
import com.opensymphony.xwork2.config.providers.InterceptorBuilder; | |
import com.opensymphony.xwork2.inject.Inject; | |
import com.opensymphony.xwork2.util.AnnotationUtils; | |
import org.apache.logging.log4j.LogManager; | |
import org.apache.logging.log4j.Logger; | |
import org.apache.struts2.convention.annotation.Action; | |
import org.apache.struts2.convention.annotation.InterceptorRef; | |
import org.apache.struts2.convention.annotation.InterceptorRefs; | |
import java.util.ArrayList; | |
import java.util.List; | |
import java.util.Map; | |
/** | |
* <p> | |
* Builds interceptor mappings from annotations. | |
* </p> | |
*/ | |
public class DefaultInterceptorMapBuilder implements InterceptorMapBuilder { | |
private static final Logger LOG = LogManager.getLogger(DefaultInterceptorMapBuilder.class); | |
private Configuration configuration; | |
public List<InterceptorMapping> build(Class<?> actionClass, PackageConfig.Builder builder, | |
String actionName, Action annotation) { | |
List<InterceptorMapping> interceptorList = new ArrayList<>( | |
10); | |
//from @InterceptorRefs annotation | |
InterceptorRefs interceptorRefs = AnnotationUtils.findAnnotation(actionClass, InterceptorRefs.class); | |
if (interceptorRefs != null) | |
interceptorList.addAll(build(interceptorRefs.value(), actionName, builder)); | |
//from @InterceptorRef annotation | |
InterceptorRef interceptorRef = AnnotationUtils.findAnnotation(actionClass, InterceptorRef.class); | |
if (interceptorRef != null) | |
interceptorList.addAll(build(new InterceptorRef[] {interceptorRef}, actionName, builder)); | |
//from @Action annotation | |
if (annotation != null) { | |
InterceptorRef[] interceptors = annotation.interceptorRefs(); | |
if (interceptors != null) { | |
interceptorList.addAll(build(interceptors, actionName, builder)); | |
} | |
} | |
return interceptorList; | |
} | |
protected List<InterceptorMapping> build(InterceptorRef[] interceptors, String actionName, PackageConfig.Builder builder) { | |
List<InterceptorMapping> interceptorList = new ArrayList<>(10); | |
for (InterceptorRef interceptor : interceptors) { | |
LOG.trace("Adding interceptor [{}] to [{}]", interceptor.value(), actionName); | |
Map<String, String> params = StringTools.createParameterMap(interceptor.params()); | |
interceptorList.addAll(buildInterceptorList(builder, interceptor, params)); | |
} | |
return interceptorList; | |
} | |
protected List<InterceptorMapping> buildInterceptorList(PackageConfig.Builder builder, InterceptorRef ref, Map params) { | |
return InterceptorBuilder.constructInterceptorReference(builder, ref.value(), params, builder.build().getLocation(), | |
configuration.getContainer().getInstance(ObjectFactory.class)); | |
} | |
@Inject | |
public void setConfiguration(Configuration configuration) { | |
this.configuration = configuration; | |
} | |
} |