code: /*
   Copyright 1995-2015 Esri
  
     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.
  
   For additional information, contact:
   Environmental Systems Research Institute, Inc.
   Attn: Contracts Dept
   380 New York Street
   Redlands, California, USA 92373
  
   email: contracts@esri.com
   */
  package com.esri.core.geometry;
  
  /**
   * An abstract Json String Cursor class.
   */
  public abstract class JsonCursor {
  
  	/**
  	 * Moves the cursor to the next string. Returns null when reached the end.
  	 */
  	public abstract String next();
  
  	/**
  	 * Returns the ID of the current geometry. The ID is propagated across the
  	 * operations (when possible).
  	 * 
  	 * Returns an ID associated with the current Geometry. The ID is passed
  	 * along and is returned by some operators to preserve relationship between
  	 * the input and output geometry classes. It is not always possible to
  	 * preserve an ID during an operation.
  	 */
  	public abstract int getID();
  }
  