at.salzburgresearch.vgi.vgianalyticsframework.activityanalysis.application.VgiQuadtreeBuilder.java Source code

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Here is the source code for at.salzburgresearch.vgi.vgianalyticsframework.activityanalysis.application.VgiQuadtreeBuilder.java

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/** Copyright 2016, Simon Grchenig, Salzburg Research Forschungsgesellschaft m.b.H.
    
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.
 */

package at.salzburgresearch.vgi.vgianalyticsframework.activityanalysis.application;

import java.io.File;

import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.CommandLineParser;
import org.apache.commons.cli.DefaultParser;
import org.apache.commons.cli.HelpFormatter;
import org.apache.commons.cli.Option;
import org.apache.commons.cli.Options;
import org.apache.log4j.Logger;
import org.springframework.context.support.ClassPathXmlApplicationContext;

import at.salzburgresearch.vgi.vgianalyticsframework.activityanalysis.pipeline.IVgiPipeline;
import at.salzburgresearch.vgi.vgianalyticsframework.activityanalysis.pipeline.IVgiPipelineSettings;

public class VgiQuadtreeBuilder {
    private static Logger log = Logger.getLogger(VgiQuadtreeBuilder.class);

    public static void main(String[] args) {
        /**
         * Read input parameter
         */
        Options options = new Options();
        options.addOption("h", "help", false, "Display this help page");
        /** Settings */
        options.addOption(Option.builder("s").longOpt("settings").hasArg().argName("settings_file")
                .desc("settings file").build());
        options.addOption(Option.builder("p").longOpt("polygons").hasArg().argName("polygon_file")
                .desc("polygon file").build());

        launch(options, args);
    }

    public static void launch(Options options, String[] args) {

        CommandLineParser parser = new DefaultParser();
        CommandLine cmd = null;
        try (ClassPathXmlApplicationContext ctx = new ClassPathXmlApplicationContext(
                "classpath:/application-context-vgi-quadtree.xml")) {
            cmd = parser.parse(options, args);

            File settingsFile = null;

            if (cmd.hasOption('h')) {
                HelpFormatter helpFormatter = new HelpFormatter();
                helpFormatter.printHelp("java -jar vgi-activity-1.0.jar [OPTION]...", options);
                return;
            }
            if (cmd.hasOption('s')) {
                settingsFile = new File(cmd.getOptionValue('s'));
                if (!settingsFile.exists()) {
                    log.warn("Setting file does not exist! (" + settingsFile.getAbsolutePath() + ")");
                    settingsFile = null;
                }
            } else {
                log.warn("No setting file specified! Use option -s to specify a settings XML file");
                System.exit(0);
                settingsFile = null;
            }

            IVgiPipeline pipeline = ((IVgiPipeline) ctx.getBean("vgiPipeline"));

            IVgiPipelineSettings settings = ((IVgiPipelineSettings) ctx.getBean("vgiPipelineSettings"));
            if (!settings.loadSettings(settingsFile)) {
                System.exit(1);
            }

            pipeline.start();

        } catch (Exception e) {
            HelpFormatter helpFormatter = new HelpFormatter();
            if (e.getMessage() != null) {
                log.error(e.getMessage() + '\n');
            } else {
                log.error("Unknown error", e);
            }
            helpFormatter.printHelp("java -jar vgi-activity-1.0.jar [OPTION]...", options);
        }
    }
}