MockHadoopConfigurationProvider.java

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 *
 * Pentaho Big Data
 *
 * Copyright (C) 2002-2015 by Pentaho : http://www.pentaho.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
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package org.pentaho.hadoop.shim;

import java.util.ArrayList;
import java.util.List;

import org.pentaho.hadoop.shim.spi.HadoopConfigurationProvider;

public class MockHadoopConfigurationProvider implements HadoopConfigurationProvider {
  private List<? extends HadoopConfiguration> configs;
  private String activeId;

  public MockHadoopConfigurationProvider() {
    this( new ArrayList<HadoopConfiguration>(), null );
  }

  public MockHadoopConfigurationProvider( List<? extends HadoopConfiguration> configs, String activeId ) {
    this.configs = configs;
    this.activeId = activeId;
  }

  @Override
  public boolean hasConfiguration( String id ) {
    try {
      return getConfiguration( id ) != null;
    } catch ( ConfigurationException e ) {
      return false;
    }
  }

  @Override
  public List<? extends HadoopConfiguration> getConfigurations() {
    return configs;
  }

  @Override
  public HadoopConfiguration getConfiguration( String id ) throws ConfigurationException {
    for ( HadoopConfiguration c : configs ) {
      if ( id.equals( c.getIdentifier() ) ) {
        return c;
      }
    }
    return null;
  }

  @Override
  public HadoopConfiguration getActiveConfiguration() throws ConfigurationException {
    return getConfiguration( activeId );
  }

}