DefaultDefaultValueProcessor.java

/*
 * Copyright 2002-2009 the original author or authors.
 *
 * 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 net.sf.json.processors;

import net.sf.json.JSONArray;
import net.sf.json.JSONNull;
import net.sf.json.util.JSONUtils;

/**
 * Base implementation for DefaultDefaultValueProcessor.
 *
 * @author Andres Almiray <aalmiray@users.sourceforge.net>
 */
public class DefaultDefaultValueProcessor implements DefaultValueProcessor {
   public Object getDefaultValue( Class type ) {
      if( JSONUtils.isArray( type ) ){
         return new JSONArray();
      }else if( JSONUtils.isNumber( type ) ){
         if( JSONUtils.isDouble( type ) ){
            return new Double( 0 );
         }else{
            return new Integer( 0 );
         }
      }else if( JSONUtils.isBoolean( type ) ){
         return Boolean.FALSE;
      }else if( JSONUtils.isString( type ) ){
         return "";
      }
      return JSONNull.getInstance();
   }
}