| // *************************************************************************************************************************** |
| // * 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.juneau.rest.params; |
| |
| import java.lang.reflect.*; |
| |
| import org.apache.juneau.*; |
| import org.apache.juneau.http.annotation.*; |
| import org.apache.juneau.reflect.*; |
| import org.apache.juneau.rest.*; |
| import org.apache.juneau.rest.annotation.*; |
| |
| /** |
| * Resolves method parameters annotated with {@link ResponseStatus} on {@link RestMethod}-annotated Java methods. |
| */ |
| public class ResponseStatusParam implements RestParam { |
| |
| private final Type type; |
| |
| /** |
| * Static creator. |
| * |
| * @param paramInfo The Java method parameter being resolved. |
| * @return A new {@link ResponseStatusParam}, or <jk>null</jk> if the parameter is not annotated with {@link ResponseStatus}. |
| */ |
| public static ResponseStatusParam create(ParamInfo paramInfo) { |
| if (paramInfo.hasAnnotation(ResponseStatus.class) || paramInfo.getParameterType().hasAnnotation(ResponseStatus.class)) |
| return new ResponseStatusParam(paramInfo); |
| return null; |
| } |
| |
| /** |
| * Constructor. |
| * |
| * @param paramInfo The Java method parameter being resolved. |
| */ |
| protected ResponseStatusParam(ParamInfo paramInfo) { |
| this.type = paramInfo.getParameterType().innerType(); |
| Class<?> c = type instanceof Class ? (Class<?>)type : type instanceof ParameterizedType ? (Class<?>)((ParameterizedType)type).getRawType() : null; |
| if (c != Value.class || Value.getParameterType(type) != Integer.class) |
| throw new ParameterException(paramInfo, "Type must be Value<Integer> on parameter annotated with @ResponseStatus annotation"); |
| } |
| |
| @SuppressWarnings({ "unchecked", "rawtypes" }) |
| @Override /* RestMethodParam */ |
| public Object resolve(final RestCall call) throws Exception { |
| Value<Object> v = new Value(); |
| v.listener(new ValueListener() { |
| @Override |
| public void onSet(Object o) { |
| call.getRestResponse().setStatus(Integer.parseInt(o.toString())); |
| } |
| }); |
| return v; |
| } |
| } |