/*
    * #%L
    * wcm.io
    * %%
    * Copyright (C) 2014 wcm.io
    * %%
    * 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.
   * #L%
   */
  package io.wcm.maven.plugins.i18n.readers;
  
  import java.io.File;
  import java.io.FileInputStream;
  import java.io.IOException;
  import java.io.InputStreamReader;
  import java.nio.charset.StandardCharsets;
  import java.util.HashMap;
  import java.util.Map;
  import java.util.Properties;
  
  /**
   * Reads i18n resources from Java properties files.
   */
  public class PropertiesI18nReader implements I18nReader {
  
    @Override
    public Map<String, String> read(File sourceFile) throws IOException {
      // read properties
      Properties props = new Properties();
      try (FileInputStream is = new FileInputStream(sourceFile);
          InputStreamReader reader = new InputStreamReader(is, StandardCharsets.UTF_8)) {
        props.load(reader);
      }
  
      // convert to map
      Map<String, String> map = new HashMap<>();
      for (Map.Entry<Object, Object> entry : props.entrySet()) {
        map.put(entry.getKey().toString(), entry.getValue().toString());
      }
      return map;
    }
  
  }