/**
 *  ServingXML
 *  
 *  Copyright (C) 2006  Daniel Parker
 *    daniel.parker@servingxml.com 
 * 
 * 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 com.servingxml.components.flatfile.recordtype;

import com.servingxml.app.ServiceContext;
import com.servingxml.util.ByteArrayBuilder;
import com.servingxml.app.Flow;
import com.servingxml.app.ParameterDescriptor;
import com.servingxml.components.flatfile.FlatRecordWriter;
import com.servingxml.components.flatfile.RecordOutput;

public class FlatRecordWriterPrefilter implements FlatRecordWriter {
  private final FlatRecordWriter flatRecordWriter;
  private final ParameterDescriptor[] parameterDescriptors;

  public FlatRecordWriterPrefilter(FlatRecordWriter flatRecordWriter,
    ParameterDescriptor[] parameterDescriptors) {
    this.flatRecordWriter = flatRecordWriter;
    this.parameterDescriptors = parameterDescriptors;
  }

  public void writeRecord(ServiceContext context, Flow flow, RecordOutput recordOutput) {
    Flow newFlow = flow.augmentParameters(context, parameterDescriptors);
    flatRecordWriter.writeRecord(context, newFlow, recordOutput);
  }

  public FlatRecordWriter resolveFlatRecordWriter(ServiceContext context, Flow flow) {
    Flow newFlow = flow.augmentParameters(context, parameterDescriptors);
    return flatRecordWriter.resolveFlatRecordWriter(context,newFlow);
  }
}

