/**
    * 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 org.apache.creadur.whisker.out.velocity;
  
  import java.io.IOException;
  import java.io.StringWriter;
  import java.io.Writer;
  import java.util.ArrayList;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  
  import org.apache.creadur.whisker.app.Result;
  import org.apache.creadur.whisker.app.ResultWriterFactory;
  
  public class StringResultWriterFactory implements ResultWriterFactory {
      
      Map<Result, List<StringWriter>> results = new HashMap<Result, List<StringWriter>>();
      
      public StringResultWriterFactory() {
          for (Result result: Result.values()) {
              results.put(result, new ArrayList<StringWriter>());
          }
      }
  
      public Writer writerFor(Result result) throws IOException {
          final StringWriter writer = new StringWriter();
          results.get(result).add(writer);
          return writer;
      }
      
      public int requestsFor(Result result) {
          return results.get(result).size();
      }
      
      public String firstOutputFor(Result result) {
          return results.get(result).get(0).toString();
      }
  }