org.camunda.bpm.engine.impl.cfg.BeansConfigurationHelper Maven / Gradle / Ivy

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/*
 * Copyright Camunda Services GmbH and/or licensed to Camunda Services GmbH
 * under one or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information regarding copyright
 * ownership. Camunda licenses this file to you under the Apache License,
 * Version 2.0; 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.camunda.bpm.engine.impl.cfg;

import java.io.InputStream;

import org.camunda.bpm.engine.ProcessEngineConfiguration;
import org.springframework.beans.factory.support.DefaultListableBeanFactory;
import org.springframework.beans.factory.xml.XmlBeanDefinitionReader;
import org.springframework.core.io.ClassPathResource;
import org.springframework.core.io.InputStreamResource;
import org.springframework.core.io.Resource;


/**
 * @author Tom Baeyens
 */
public class BeansConfigurationHelper {

  public static ProcessEngineConfiguration parseProcessEngineConfiguration(Resource springResource, String beanName) {
    DefaultListableBeanFactory beanFactory = new DefaultListableBeanFactory();
    XmlBeanDefinitionReader xmlBeanDefinitionReader = new XmlBeanDefinitionReader(beanFactory);
    xmlBeanDefinitionReader.setValidationMode(XmlBeanDefinitionReader.VALIDATION_XSD);
    xmlBeanDefinitionReader.loadBeanDefinitions(springResource);
    ProcessEngineConfigurationImpl processEngineConfiguration = (ProcessEngineConfigurationImpl) beanFactory.getBean(beanName);
    if (processEngineConfiguration.getBeans() == null) {
      processEngineConfiguration.setBeans(new SpringBeanFactoryProxyMap(beanFactory));
    }
    return processEngineConfiguration;
  }

  public static ProcessEngineConfiguration parseProcessEngineConfigurationFromInputStream(InputStream inputStream, String beanName) {
    Resource springResource = new InputStreamResource(inputStream);
    return parseProcessEngineConfiguration(springResource, beanName);
  }

  public static ProcessEngineConfiguration parseProcessEngineConfigurationFromResource(String resource, String beanName) {
    Resource springResource = new ClassPathResource(resource);
    return parseProcessEngineConfiguration(springResource, beanName);
  }

}