com.controlj.addon.weather.service.WeatherServiceUIBase.java Source code

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Here is the source code for com.controlj.addon.weather.service.WeatherServiceUIBase.java

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/*
 * Copyright (c) 2011 Automated Logic Corporation
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package com.controlj.addon.weather.service;

import com.controlj.addon.weather.ScheduledWeatherLookup;
import com.controlj.addon.weather.config.ConfigData;
import com.controlj.addon.weather.util.Logging;
import com.controlj.addon.weather.util.ResponseWriter;
import org.apache.commons.io.IOUtils;

import javax.servlet.http.HttpServletRequest;
import java.io.IOException;
import java.io.InputStream;
import java.io.StringWriter;
import java.io.Writer;

/**
 *
 */
public abstract class WeatherServiceUIBase implements WeatherServiceUI {
    //todo - override getServiceOptionHTML and generate refresh rates UI

    //@Override
    public String getServiceConfigHTML() {
        StringWriter result = new StringWriter();
        copyHTMLTemplate(WeatherServiceUIBase.class, "baseserviceconfig.html", result);
        return result.getBuffer().toString();
        /*
        return "    <p>pick service here</p>\n" +
            "    <h2>Refresh Rates</h2>\n" +
            "    <div class=\"indent\">\n" +
            "        <div class=\"nobr\">\n" +
            "            <label>Current Conditions:</label>\n" +
            "            <input type=\"text\" id=\"conditionrefresh\" name=\"conditionrefresh\" size=\"4\" value=\"\"/>\n" +
            "            minutes\n" +
            "        </div>\n" +
            "        <div class=\"nobr\">\n" +
            "            <label>Forecast:</label>\n" +
            "            <input type=\"text\" id=\"forecastrefresh\" name=\"forecastrefresh\" size=\"4\" value=\"\"/>\n" +
            "            minutes\n" +
            "        </div>\n" +
            "    </div>";
        */

    }

    public static WeatherServices getSpecifiedService(HttpServletRequest req) {
        WeatherServices result = null;

        String serviceParam = req.getParameter("service");
        if (serviceParam != null) {
            try {
                result = WeatherServices.valueOf(WeatherServices.class, serviceParam);
            } catch (IllegalArgumentException e) {
                Logging.println("Invalid service name of '" + serviceParam + "' provided");
            }
        }
        return result;
    }

    //@Override
    public void updateConfiguration(ConfigData configData, ResponseWriter writer, HttpServletRequest req) {
        String conditionRateString = req.getParameter("conditionrefresh");
        String forecastRateString = req.getParameter("forecastrefresh");
        boolean rescheduleUpdates = false;

        if (conditionRateString != null) {
            try {
                configData.setConditionsRefreshInMinutes(Integer.parseInt(conditionRateString));
                rescheduleUpdates = true;
            } catch (NumberFormatException e) {
                writer.addValidationError("conditionrefresh",
                        "\"" + conditionRateString + "\" is not a valid number");
            }
        } else {
            writer.addValidationError("conditionrefresh", "condition rate not specified");
        }

        if (forecastRateString != null) {
            try {
                configData.setForecastsRefreshInMinutes(Integer.parseInt(forecastRateString));
                rescheduleUpdates = true;
            } catch (NumberFormatException e) {
                writer.addValidationError("forecastrefresh",
                        "\"" + forecastRateString + "\" is not a valid number");
            }
        } else {
            writer.addValidationError("forecastrefresh", "forecast rate not specified");
        }

        if (rescheduleUpdates)
            ScheduledWeatherLookup.rescheduleUpdates(configData.getConditionsRefreshInMinutes(),
                    configData.getForecastsRefreshInMinutes());
    }

    //@Override
    public void dialogAction(ConfigData configData, ResponseWriter writer, HttpServletRequest req) {
        // do nothing
    }

    protected void copyHTMLTemplate(Class clazz, String templatename, Writer out) {
        InputStream stream = clazz.getResourceAsStream(templatename);
        try {
            IOUtils.copy(stream, out);
        } catch (IOException e) {
            Logging.println("Error reading template html file", e);
        }
    }

    protected void updateConfigField(String field, ConfigData configData, ResponseWriter writer,
            HttpServletRequest req) {
        configData.getServiceConfigData().put(field, req.getParameter(field));
    }

    protected void updateIntegerConfigField(String field, ConfigData configData, ResponseWriter writer,
            HttpServletRequest req, int min, int max) {
        String stringVal = req.getParameter(field);
        try {
            int val = Integer.parseInt(stringVal);
            if (val < min) {
                writer.addValidationError(field, "\"" + stringVal + "\" is less than the minimum of " + min);
            } else if (val > max) {
                writer.addValidationError(field, "\"" + stringVal + "\" is greater than the maximum of " + max);
            } else {
                configData.getServiceConfigData().put(field, stringVal);
            }
        } catch (NumberFormatException e) {
            writer.addValidationError(field, "\"" + stringVal + "\" is not an integer");
        }
    }

}