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.json; 014 015import java.util.*; 016 017import org.apache.juneau.*; 018import org.apache.juneau.json.annotation.*; 019 020/** 021 * Metadata on classes specific to the JSON serializers and parsers pulled from the {@link Json @Json} annotation on 022 * the class. 023 */ 024public class JsonClassMeta extends ExtendedClassMeta { 025 026 private final List<Json> jsons; 027 private final String wrapperAttr; 028 029 /** 030 * Constructor. 031 * 032 * @param cm The class that this annotation is defined on. 033 * @param mp JSON metadata provider (for finding information about other artifacts). 034 */ 035 public JsonClassMeta(ClassMeta<?> cm, JsonMetaProvider mp) { 036 super(cm); 037 this.jsons = cm.getAnnotations(Json.class); 038 039 String _wrapperAttr = null; 040 for (Json a : this.jsons) 041 if (! a.wrapperAttr().isEmpty()) 042 _wrapperAttr = a.wrapperAttr(); 043 this.wrapperAttr = _wrapperAttr; 044 } 045 046 /** 047 * Returns the {@link Json @Json} annotations defined on the class. 048 * 049 * @return An unmodifiable list of annotations ordered parent-to-child, or an empty list if not found. 050 */ 051 protected List<Json> getAnnotations() { 052 return jsons; 053 } 054 055 /** 056 * Returns the {@link Json#wrapperAttr() @Json(wrapperAttr)} annotation defined on the class. 057 * 058 * @return The value of the annotation, or <jk>null</jk> if not specified. 059 */ 060 protected String getWrapperAttr() { 061 return wrapperAttr; 062 } 063}