| /* |
| * 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.dubbo.metadata.extension.rest.api.jaxrs; |
| |
| |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.apache.dubbo.metadata.extension.rest.api.AbstractAnnotatedMethodParameterProcessor; |
| import org.apache.dubbo.metadata.extension.rest.api.AnnotatedMethodParameterProcessor; |
| import org.apache.dubbo.metadata.extension.rest.api.RequestMetadata; |
| import org.apache.dubbo.metadata.extension.rest.api.RestMethodMetadata; |
| import org.apache.dubbo.metadata.extension.rest.api.RestMetadataConstants; |
| |
| import java.lang.annotation.Annotation; |
| import java.lang.reflect.Method; |
| import java.lang.reflect.Parameter; |
| |
| /** |
| * The {@link AnnotatedMethodParameterProcessor} implementation for JAX-RS's @DefaultValue |
| * * |
| * |
| * @since 2.7.6 |
| */ |
| public class DefaultValueParameterProcessor extends AbstractAnnotatedMethodParameterProcessor { |
| |
| @Override |
| public String getAnnotationName() { |
| return RestMetadataConstants.JAX_RS.DEFAULT_VALUE_ANNOTATION_CLASS_NAME; |
| } |
| |
| @Override |
| protected void process( |
| String annotationValue, |
| String defaultValue, |
| Annotation annotation, |
| Parameter parameter, |
| int parameterIndex, |
| Method method, |
| RestMethodMetadata restMethodMetadata) { |
| RequestMetadata requestMetadata = restMethodMetadata.getRequest(); |
| |
| // process the request parameters |
| setDefaultValue(requestMetadata.getParams(), defaultValue, annotationValue); |
| // process the request headers |
| setDefaultValue(requestMetadata.getHeaders(), defaultValue, annotationValue); |
| } |
| |
| private void setDefaultValue(Map<String, List<String>> source, String placeholderValue, String defaultValue) { |
| OUTTER: |
| for (Map.Entry<String, List<String>> entry : source.entrySet()) { |
| List<String> values = entry.getValue(); |
| int size = values.size(); |
| for (int i = 0; i < size; i++) { |
| String value = values.get(i); |
| if (placeholderValue.equals(value)) { |
| values.set(i, defaultValue); |
| break OUTTER; |
| } |
| } |
| } |
| } |
| |
| @Override |
| public int getPriority() { |
| return MIN_PRIORITY; |
| } |
| } |