com.jonbanjo.cupsprint.Util.java Source code

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Here is the source code for com.jonbanjo.cupsprint.Util.java

Source

package com.jonbanjo.cupsprint;

/*
JfCupsPrintService
Copyright (C) 2014 Jon Freeman
    
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
    
This program 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 General Public License for more details.
    
You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

import java.net.MalformedURLException;
import java.net.URL;

import org.apache.commons.validator.routines.UrlValidator;

import android.app.Activity;
import android.widget.Toast;

public class Util {

    public static URL getURL(String urlStr) throws MalformedURLException {

        UrlValidator urlValidator = new UrlValidator();
        if (urlValidator.isValid(urlStr)) {
            try {
                return new URL(urlStr);
            } catch (Exception e) {
            }
        }
        throw new MalformedURLException("Invalid URL\n" + urlStr);
    }

    public static String getQueue(PrintQueueConfig printConfig) {
        return "/printers/" + printConfig.queue;
    }

    public static String getClientUrlStr(PrintQueueConfig printConfig) {
        return printConfig.protocol + "://" + printConfig.host + ":" + printConfig.port;
    }

    public static String getPrinterUrlStr(PrintQueueConfig printConfig) {
        return getClientUrlStr(printConfig) + "/printers/" + printConfig.queue;
    }

    public static URL getClientURL(PrintQueueConfig printConfig) throws MalformedURLException {
        String urlStr = getClientUrlStr(printConfig);
        return getURL(urlStr);
    }

    public static URL getPrinterURL(PrintQueueConfig printConfig) throws MalformedURLException {
        String urlStr = getPrinterUrlStr(printConfig);
        return getURL(urlStr);
    }

    public static void showToast(final Activity activity, final String toast) {
        activity.runOnUiThread(new Runnable() {
            public void run() {
                Toast.makeText(activity, toast, Toast.LENGTH_LONG).show();
            }
        });
    }
}