Application: gvSIG desktop » Library: org.gvsig.tools

package org.gvsig.simplehttpservice.commands;

import java.util.Map;

import javax.json.Json;

import javax.json.JsonArrayBuilder;

import javax.json.JsonObject;

import javax.json.JsonObjectBuilder;

import org.apache.commons.lang3.StringUtils;

import org.gvsig.htmlbuilder.HTMLBuilder;

import org.gvsig.htmlbuilder.HTMLBuilder.HTMLComplexElement;

import org.gvsig.simplehttpservice.SimpleServer;

import org.gvsig.tools.util.ToolsUtilLocator;

/**

 *

 * @author gvSIG Team

 */

public class Help extends AbstractCommand {

    public Help(CommandFactory factory,  SimpleServer server) {

        super(factory,server);

    }

    @Override

    public Object call(int argc, String[] args) {

        Map<String, Command> commands = this.getServer().getCommands();

        if( argc>0 && StringUtils.equalsIgnoreCase("asjson", args[1]) ) {

            JsonArrayBuilder builder = Json.createArrayBuilder();

            for (Command command : commands.values()) {

                builder.add(this.getCommandDescription(command));

            }

            return builder.toString();

        } else {

            HTMLBuilder builder = ToolsUtilLocator.getToolsUtilManager().createHTMLBuilder();

            HTMLComplexElement table = builder.table(

                0,1,4,

                builder.thead(

                    builder.tr(

                            builder.th("Return type"),

                            builder.th("Name"),

                            builder.th("Description")

                    )

                )

            );

            for (Command command : commands.values()) {

                HTMLComplexElement tr = builder.tr(HTMLBuilder.valign_top).contents(

                        builder.td(command.getMimeType()),

                        builder.td(command.getName()),

                        builder.td(

                                builder.plainWithNl(command.getDescription()+"\n\n")

                        )

                );

                table.contents(tr);

            }

            return table.toHTML();

        }

    }

    public JsonObject getCommandDescription(Command command) {

        JsonObjectBuilder builder = Json.createObjectBuilder();

        builder.add("Name", command.getName());

        builder.add("NumArgs", command.getNumArgs().toString());

        builder.add("MimeType", StringUtils.defaultString(command.getMimeType()));

        builder.add("Description", StringUtils.defaultString(command.getDescription()));

        return builder.build();

    }

}