com.datastax.dse.driver.shaded.esri.core.geometry.JSONArrayEnumerator Maven / Gradle / Ivy

/*
 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: [email protected]
 */
package com.datastax.dse.driver.shaded.esri.core.geometry;

import java.util.ArrayList;
import com.datastax.dse.driver.shaded.codehaus.jackson.JsonParser;
import com.datastax.dse.driver.shaded.codehaus.jackson.JsonToken;
import com.datastax.dse.driver.shaded.json.JSONArray;
import com.datastax.dse.driver.shaded.json.JSONObject;

final class JSONArrayEnumerator {

	private JSONArray m_jsonArray;
	private boolean m_bStarted;
	private int m_currentIndex;

	JSONArrayEnumerator(JSONArray jsonArray) {
		m_bStarted = false;
		m_currentIndex = -1;
		m_jsonArray = jsonArray;
	}

	Object getCurrentObject() {
		if (!m_bStarted) {
			throw new GeometryException("invalid call");
		}

		if (m_currentIndex == m_jsonArray.length()) {
			throw new GeometryException("invalid call");
		}

		return m_jsonArray.opt(m_currentIndex);
	}

	boolean next() {
		if (!m_bStarted) {
			m_currentIndex = 0;
			m_bStarted = true;
		} else if (m_currentIndex != m_jsonArray.length()) {
			m_currentIndex++;
		}

		return m_currentIndex != m_jsonArray.length();
	}
}