content: /*
   * 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.camel.component.bean;
  
  import org.apache.camel.CamelContext;
  import org.apache.camel.CamelContextAware;
  import org.apache.camel.RuntimeCamelException;
  import org.apache.camel.spi.PropertiesFunction;
  import org.apache.camel.support.CamelContextHelper;
  import org.apache.camel.support.ObjectHelper;
  import org.apache.camel.util.StringHelper;
  
  @org.apache.camel.spi.annotations.PropertiesFunction("bean")
  public class BeanPropertiesFunction implements PropertiesFunction, CamelContextAware {
      private CamelContext camelContext;
  
      @Override
      public String getName() {
          return "bean";
      }
  
      @Override
      public String apply(String remainder) {
          if (StringHelper.countChar(remainder, '.') != 1 || remainder.startsWith(".") || remainder.endsWith(".")) {
              throw new IllegalArgumentException("BeanName and methodName should be separated by a dot.");
          }
          String[] beanNameAndMethodName = remainder.split("\\.");
          String beanName = beanNameAndMethodName[0];
          String methodName = beanNameAndMethodName[1];
  
          Object bean = CamelContextHelper.mandatoryLookup(camelContext, beanName);
  
          String answer = "";
          try {
              answer += camelContext.getTypeConverter().convertTo(String.class, ObjectHelper.invokeMethodSafe(methodName, bean));
          } catch (Exception e) {
              throw RuntimeCamelException.wrapRuntimeCamelException(e);
          }
          return answer;
      }
  
      @Override
      public void setCamelContext(CamelContext camelContext) {
          this.camelContext = camelContext;
      }
  
      @Override
      public CamelContext getCamelContext() {
          return camelContext;
      }
  
  }
  