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JasperReports Library
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/*
 * JasperReports - Free Java Reporting Library.
 * Copyright (C) 2001 - 2011 Jaspersoft Corporation. All rights reserved.
 * http://www.jaspersoft.com
 *
 * Unless you have purchased a commercial license agreement from Jaspersoft,
 * the following license terms apply:
 *
 * This program is part of JasperReports.
 *
 * JasperReports is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * JasperReports is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with JasperReports. If not, see .
 */
package net.sf.jasperreports.data.json;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.util.Locale;
import java.util.Map;
import java.util.TimeZone;

import net.sf.jasperreports.data.AbstractDataAdapterService;
import net.sf.jasperreports.engine.DefaultJasperReportsContext;
import net.sf.jasperreports.engine.JRException;
import net.sf.jasperreports.engine.JRParameter;
import net.sf.jasperreports.engine.JasperReportsContext;
import net.sf.jasperreports.engine.data.JsonDataSource;
import net.sf.jasperreports.engine.query.JRXPathQueryExecuterFactory;
import net.sf.jasperreports.engine.query.JsonQueryExecuterFactory;

/**
 * @author Veaceslov Chicu ([email protected])
 * @version $Id: JsonDataAdapterService.java 5180 2012-03-29 13:23:12Z teodord $
 */
public class JsonDataAdapterService extends AbstractDataAdapterService 
{
	/**
	 * 
	 */
	public JsonDataAdapterService(JasperReportsContext jasperReportsContext, JsonDataAdapter jsonDataAdapter) 
	{
		super(jasperReportsContext, jsonDataAdapter);
	}

	/**
	 * @deprecated Replaced by {@link #JsonDataAdapterService(JasperReportsContext, JsonDataAdapter)}.
	 */
	public JsonDataAdapterService(JsonDataAdapter jsonDataAdapter) 
	{
		super(DefaultJasperReportsContext.getInstance(), jsonDataAdapter);
	}

	public JsonDataAdapter getJsonDataAdapter() {
		return (JsonDataAdapter) getDataAdapter();
	}

	@Override
	public void contributeParameters(Map parameters)
			throws JRException {
		JsonDataAdapter jsonDataAdapter = getJsonDataAdapter();
		if (jsonDataAdapter != null) {
			if (jsonDataAdapter.isUseConnection()) {
				try {
					parameters.put(JsonQueryExecuterFactory.JSON_INPUT_STREAM,
							new FileInputStream(jsonDataAdapter.getFileName()));

					Locale locale = jsonDataAdapter.getLocale();
					if (locale != null) {
						parameters.put(JRXPathQueryExecuterFactory.XML_LOCALE,
								locale);
					}

					TimeZone timeZone = jsonDataAdapter.getTimeZone();
					if (timeZone != null) {
						parameters.put(
								JRXPathQueryExecuterFactory.XML_TIME_ZONE,
								timeZone);
					}

					String datePattern = jsonDataAdapter.getDatePattern();
					if (datePattern != null && datePattern.trim().length() > 0) {
						parameters.put(
								JRXPathQueryExecuterFactory.XML_DATE_PATTERN,
								datePattern);
					}

					String numberPattern = jsonDataAdapter.getNumberPattern();
					if (numberPattern != null
							&& numberPattern.trim().length() > 0) {
						parameters.put(
								JRXPathQueryExecuterFactory.XML_NUMBER_PATTERN,
								numberPattern);
					}
				} catch (FileNotFoundException e) {
					throw new JRException(e);
				}
			} else {
				JsonDataSource ds = 
					new JsonDataSource(
						getJasperReportsContext(),
						jsonDataAdapter.getFileName(),
						jsonDataAdapter.getSelectExpression()
						);

				Locale locale = jsonDataAdapter.getLocale();
				if (locale != null) {
					ds.setLocale(locale);
				}

				TimeZone timeZone = jsonDataAdapter.getTimeZone();
				if (timeZone != null) {
					ds.setTimeZone(timeZone);
				}

				String datePattern = jsonDataAdapter.getDatePattern();
				if (datePattern != null && datePattern.trim().length() > 0) {
					ds.setDatePattern(datePattern);
				}

				String numberPattern = jsonDataAdapter.getNumberPattern();
				if (numberPattern != null && numberPattern.trim().length() > 0) {
					ds.setNumberPattern(numberPattern);
				}

				parameters.put(JRParameter.REPORT_DATA_SOURCE, ds);
			}
		}
	}
}