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/* 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.delegate.VariableScope;
import org.activiti.engine.impl.cfg.ProcessEngineConfigurationImpl;

import javax.script.Bindings;
import java.util.ArrayList;
import java.util.List;

/**


 */
public class ScriptBindingsFactory {

  protected ProcessEngineConfigurationImpl processEngineConfiguration;
  protected List resolverFactories;

  public ScriptBindingsFactory(ProcessEngineConfigurationImpl processEngineConfiguration, List resolverFactories) {
    this.processEngineConfiguration = processEngineConfiguration;
    this.resolverFactories = resolverFactories;
  }

  public Bindings createBindings(VariableScope variableScope) {
    return new ScriptBindings(createResolvers(variableScope), variableScope);
  }

  public Bindings createBindings(VariableScope variableScope, boolean storeScriptVariables) {
    return new ScriptBindings(createResolvers(variableScope), variableScope, storeScriptVariables);
  }

  protected List createResolvers(VariableScope variableScope) {
    List scriptResolvers = new ArrayList();
    for (ResolverFactory scriptResolverFactory : resolverFactories) {
      Resolver resolver = scriptResolverFactory.createResolver(processEngineConfiguration, variableScope);
      if (resolver != null) {
        scriptResolvers.add(resolver);
      }
    }
    return scriptResolvers;
  }

  public List getResolverFactories() {
    return resolverFactories;
  }

  public void setResolverFactories(List resolverFactories) {
    this.resolverFactories = resolverFactories;
  }
}