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.engine.impl.scripting;
  
  import org.activiti.engine.ActivitiException;
  import org.activiti.engine.delegate.DelegateExecution;
  import org.activiti.engine.impl.Condition;
  import org.activiti.engine.impl.context.Context;
  
  /**
  
   */
  public class ScriptCondition implements Condition {
  
      private final String expression;
      private final String language;
  
      public ScriptCondition(String expression, String language) {
          this.expression = expression;
          this.language = language;
      }
  
      public boolean evaluate(String sequenceFlowId, DelegateExecution execution) {
          ScriptingEngines scriptingEngines = Context.getProcessEngineConfiguration().getScriptingEngines();
  
          Object result = scriptingEngines.evaluate(expression, language, execution);
          if (result == null) {
              throw new ActivitiException("condition script returns null: " + expression);
          }
          if (!(result instanceof Boolean)) {
              throw new ActivitiException(
                  "condition script returns non-Boolean: " + result + " (" + result.getClass().getName() + ")"
              );
          }
          return (Boolean) result;
      }
  }
  