jp.co.yahoo.dataplatform.config.Configuration Maven / Gradle / Ivy

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/**
 * 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 jp.co.yahoo.dataplatform.config;

import java.io.IOException;

import java.util.Properties;
import java.util.Set;
import java.util.Map;
import java.util.HashMap;

import java.io.Serializable;

public class Configuration implements Serializable{

  private final Map settingContainer;

  public Configuration(){
    settingContainer = new HashMap<>();
  }

  public void set( final String key , final String value ){
    settingContainer.put( key , value );
  }

  public void add(final Properties properties){
    properties.entrySet().forEach(property -> set(property.getKey().toString(), property.getValue().toString()));
  }

  public void add(final Iterable> settingEntries){
    settingEntries.forEach(setting -> set(setting.getKey(), setting.getValue()));
  }

  public void add(final Configuration configuration){
    settingContainer.putAll(configuration.toMap());
  }

  public void clear(){
    settingContainer.clear();
  }

  public Map toMap(){
    Map retVal = new HashMap();
    for( Map.Entry entry : settingContainer.entrySet() ){
      retVal.put( new String( entry.getKey() ) , new String( entry.getValue() ) );
    }
    return retVal;
  }

  public Set getKey(){
    return settingContainer.keySet();
  }

  public String get( final String key ){
    return get( key , null );
  }

  public String get( final String key , final String defaultValue ){
    String retVal = settingContainer.get( key );
    if( retVal == null ){
      return defaultValue;
    }
    return retVal;
  }

  public int getInt( final String key ){
    return Integer.parseInt( settingContainer.get( key ) );
  }

  public int getInt( final String key , final int defaultValue ){
    String target = settingContainer.get( key );
    if( target == null ){
      return defaultValue;
    }
    return Integer.parseInt( target );
  }

  public long getLong( final String key ){
    return Long.parseLong( settingContainer.get( key ) );
  }

  public long getLong( final String key , final long defaultValue ){
    String target = settingContainer.get( key );
    if( target == null ){
      return defaultValue;
    }
    return Long.parseLong( target );
  }

  public double getDouble( final String key ){
    return Double.parseDouble( settingContainer.get( key ) );
  }

  public double getDouble( final String key , final double defaultValue ){
    String target = settingContainer.get( key );
    if( target == null ){
      return defaultValue;
    }
    return Double.parseDouble( target );
  }

  public boolean containsKey( final String key ) throws IOException{
    return settingContainer.containsKey( key );
  }

  public Object getObject( final String key ) throws IOException{
    return getObject( key , settingContainer.get( key ) );
  }

  public Object getObject( final String key , final String defaultValue ) throws IOException{
    String targetClassName = settingContainer.get( key );
    if( targetClassName == null || targetClassName.isEmpty() ){
      targetClassName = defaultValue;
    }
    return FindClass.getObject( targetClassName );
  }

}