content: /*
   * Copyright 2010-2025 Hyland Software, Inc. and its affiliates.
   *
   * 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 org.activiti.core.el;
  
  import jakarta.el.ELContext;
  import jakarta.el.ELResolver;
  import java.beans.FeatureDescriptor;
  import java.util.Iterator;
  import java.util.Map;
  
  /**
   * An {@link ELResolver} that exposed object values in the map, under the name of the entry's key. The values in the map are only returned when requested property has no 'base', meaning it's a
   * root-object.
   *
  
   */
  public class ReadOnlyMapELResolver extends ELResolver {
  
      protected Map<Object, Object> wrappedMap;
  
      public ReadOnlyMapELResolver(Map<Object, Object> map) {
          this.wrappedMap = map;
      }
  
      public Object getValue(ELContext context, Object base, Object property) {
          if (base == null) {
              if (wrappedMap.containsKey(property)) {
                  context.setPropertyResolved(true);
                  return wrappedMap.get(property);
              }
          }
          return null;
      }
  
      public boolean isReadOnly(ELContext context, Object base, Object property) {
          return true;
      }
  
      public void setValue(ELContext context, Object base, Object property, Object value) {
          if (base == null) {
              if (wrappedMap.containsKey(property)) {
                  throw new IllegalArgumentException("Cannot set value of '" + property + "', it's readonly!");
              }
          }
      }
  
      public Class<?> getCommonPropertyType(ELContext context, Object arg) {
          return Object.class;
      }
  
      public Iterator<FeatureDescriptor> getFeatureDescriptors(ELContext context, Object arg) {
          return null;
      }
  
      public Class<?> getType(ELContext context, Object arg1, Object arg2) {
          return Object.class;
      }
  }
  