001// ***************************************************************************************************************************
002// * Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file *
003// * distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file        *
004// * to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance            *
005// * with the License.  You may obtain a copy of the License at                                                              *
006// *                                                                                                                         *
007// *  http://www.apache.org/licenses/LICENSE-2.0                                                                             *
008// *                                                                                                                         *
009// * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an  *
010// * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the        *
011// * specific language governing permissions and limitations under the License.                                              *
012// ***************************************************************************************************************************
013package org.apache.juneau.rest.arg;
014
015import java.util.logging.*;
016
017import org.apache.juneau.*;
018import org.apache.juneau.config.*;
019import org.apache.juneau.cp.*;
020import org.apache.juneau.encoders.*;
021import org.apache.juneau.reflect.*;
022import org.apache.juneau.rest.*;
023import org.apache.juneau.rest.annotation.*;
024import org.apache.juneau.rest.debug.*;
025import org.apache.juneau.rest.logger.*;
026import org.apache.juneau.rest.staticfile.*;
027import org.apache.juneau.rest.stats.*;
028import org.apache.juneau.utils.*;
029
030/**
031 * Resolves method parameters on {@link RestOp}-annotated Java methods of types found on the {@link RestContext} object.
032 *
033 * <ul class='javatree'>
034 *    <li class='jc'>{@link BeanContext}
035 *    <li class='jc'>{@link Config}
036 *    <li class='jc'>{@link DebugEnablement}
037 *    <li class='jc'>{@link EncoderSet}
038 *    <li class='jc'>{@link FileFinder}
039 *    <li class='jc'>{@link Logger}
040 *    <li class='jc'>{@link MethodExecStore}
041 *    <li class='jc'>{@link RestChildren}
042 *    <li class='jc'>{@link RestContext}
043 *    <li class='jc'>{@link RestContextStats}
044 *    <li class='jc'>{@link CallLogger}
045 *    <li class='jc'>{@link RestOperations}
046 *    <li class='jc'>{@link StaticFiles}
047 *    <li class='jc'>{@link ThrownStore}
048 * </ul>
049 *
050 * <h5 class='section'>See Also:</h5><ul>
051 *    <li class='link'><a class="doclink" href="../../../../../index.html#jrs.JavaMethodParameters">Java Method Parameters</a>
052 * </ul>
053 */
054public class RestContextArgs extends SimpleRestOperationArg {
055
056   /**
057    * Static creator.
058    *
059    * @param paramInfo The Java method parameter being resolved.
060    * @return A new arg, or <jk>null</jk> if the parameter type is not one of the supported types.
061    */
062   public static RestContextArgs create(ParamInfo paramInfo) {
063      if (paramInfo.isType(BeanContext.class))
064         return new RestContextArgs(RestContext::getBeanContext);
065      if (paramInfo.isType(Config.class))
066         return new RestContextArgs(RestContext::getConfig);
067      if (paramInfo.isType(DebugEnablement.class))
068         return new RestContextArgs(RestContext::getDebugEnablement);
069      if (paramInfo.isType(EncoderSet.class))
070         return new RestContextArgs(RestContext::getEncoders);
071      if (paramInfo.isType(Logger.class))
072         return new RestContextArgs(RestContext::getLogger);
073      if (paramInfo.isType(MethodExecStore.class))
074         return new RestContextArgs(RestContext::getMethodExecStore);
075      if (paramInfo.isType(RestChildren.class))
076         return new RestContextArgs(RestContext::getRestChildren);
077      if (paramInfo.isType(RestContext.class))
078         return new RestContextArgs(x->x);
079      if (paramInfo.isType(RestContextStats.class))
080         return new RestContextArgs(RestContext::getStats);
081      if (paramInfo.isType(CallLogger.class))
082         return new RestContextArgs(RestContext::getCallLogger);
083      if (paramInfo.isType(RestOperations.class))
084         return new RestContextArgs(RestContext::getRestOperations);
085      if (paramInfo.isType(StaticFiles.class))
086         return new RestContextArgs(RestContext::getStaticFiles);
087      if (paramInfo.isType(ThrownStore.class))
088         return new RestContextArgs(RestContext::getThrownStore);
089      return null;
090   }
091
092   /**
093    * Constructor.
094    *
095    * @param <T> The function return type.
096    * @param function The function for finding the arg.
097    */
098   protected <T> RestContextArgs(ThrowingFunction<RestContext,T> function) {
099      super(session -> function.apply(session.getRestContext()));
100   }
101}