TemplateUtils.java

/*
 * 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 gobblin.util;

import java.util.Properties;

import gobblin.configuration.ConfigurationKeys;


public class TemplateUtils {
  /**
   * create a complete property file based on the given template
   */
  public static Properties mergeTemplateWithUserCustomizedFile(Properties template, Properties userCustomized) {
    Properties cleanedTemplate = new Properties();
    cleanedTemplate.putAll(template);

    if (cleanedTemplate.containsKey(ConfigurationKeys.REQUIRED_ATRRIBUTES_LIST)) {
      cleanedTemplate.remove(ConfigurationKeys.REQUIRED_ATRRIBUTES_LIST);
    }

    Properties cleanedUserCustomized = new Properties();
    cleanedUserCustomized.putAll(userCustomized);
    if (cleanedUserCustomized.containsKey(ConfigurationKeys.JOB_TEMPLATE_PATH)) {
      cleanedUserCustomized.remove(ConfigurationKeys.JOB_TEMPLATE_PATH);
    }

    return PropertiesUtils.combineProperties(cleanedTemplate, cleanedUserCustomized);
  }
}