/**
* Copyright [2013] [www.cuubez.com]
* 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.cuubez.core.resource;
import com.cuubez.core.template.JaxRsUriTemplateProcessor;
import com.cuubez.core.template.UriTemplateProcessor;
import com.cuubez.core.template.UriTemplate;
import com.cuubez.core.resource.metaData.ClassMetaData;
import com.cuubez.core.resource.metaData.MethodMetaData;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.List;
public class ResourceGenerator {
public RootResource generateResource(Class<?> clazz) {
RootResource resource = null;
if(ResourceMetaDataScanner.isResource(clazz)){
resource = new RootResource();
ResourceMetaDataScanner resourceMetaDataScanner = new ResourceMetaDataScanner();
ClassMetaData classMetaData = resourceMetaDataScanner.scanClass(clazz);
if(classMetaData == null) {
return null;
}
resource.setClassMetaData(classMetaData);
UriTemplateProcessor templateProcessor = new JaxRsUriTemplateProcessor();
UriTemplate uriTemplate = templateProcessor.compile(classMetaData);
resource.setUriTemplate(uriTemplate);
resource.setSubResources(generateSubResource(resourceMetaDataScanner, classMetaData));
}
return resource;
}
private List<SubResource> generateSubResource(ResourceMetaDataScanner resourceMetaDataScanner, ClassMetaData classMetaData) {
Class<?> clazz = classMetaData.getClazz();
Method[] methods = clazz.getDeclaredMethods();
List<SubResource> subResources = new ArrayList<SubResource>();
for (Method method : methods) {
if (ResourceMetaDataScanner.isSubResource(method)) {
MethodMetaData methodMetaData = resourceMetaDataScanner.scanMethods(clazz, method);
if (methodMetaData != null) {
populateRootLevelValues(classMetaData, methodMetaData);
methodMetaData.setReturnType(method.getReturnType());
SubResource subResource = new SubResource();
subResource.setMethodMetaData(methodMetaData);
UriTemplateProcessor templateProcessor = new JaxRsUriTemplateProcessor();
UriTemplate uriTemplate = templateProcessor.compile(methodMetaData);
subResource.setUriTemplate(uriTemplate);
subResources.add(subResource);
}
}
}
return subResources;
}
private void populateRootLevelValues(ClassMetaData classMetaData, MethodMetaData methodMetaData) {
if(methodMetaData.getConsume() == null || methodMetaData.getConsume().length == 0) {
methodMetaData.setConsume(classMetaData.getConsume());
}
if(methodMetaData.getProduce() == null || methodMetaData.getProduce().length == 0) {
methodMetaData.setProduce(classMetaData.getProduce());
}
}
}