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AddressBookParser.java
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AddressBookParser.java
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package seedu.address.logic.parser;
import static seedu.address.commons.core.Messages.MESSAGE_INVALID_COMMAND_FORMAT;
import static seedu.address.commons.core.Messages.MESSAGE_UNKNOWN_COMMAND;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import seedu.address.logic.commands.AddCommand;
import seedu.address.logic.commands.AddEventCommand;
import seedu.address.logic.commands.AddRecordCommand;
import seedu.address.logic.commands.ClearCommand;
import seedu.address.logic.commands.Command;
import seedu.address.logic.commands.DeleteCommand;
import seedu.address.logic.commands.DeleteEventCommand;
import seedu.address.logic.commands.DeleteRecordCommand;
import seedu.address.logic.commands.EditCommand;
import seedu.address.logic.commands.EditEventCommand;
import seedu.address.logic.commands.EditRecordCommand;
import seedu.address.logic.commands.ExitCommand;
import seedu.address.logic.commands.ExportCertCommand;
import seedu.address.logic.commands.ExportEventXmlCommand;
import seedu.address.logic.commands.ExportVolunteerCsvCommand;
import seedu.address.logic.commands.ExportVolunteerXmlCommand;
import seedu.address.logic.commands.FindCommand;
import seedu.address.logic.commands.FindEventCommand;
import seedu.address.logic.commands.HelpCommand;
import seedu.address.logic.commands.HistoryCommand;
import seedu.address.logic.commands.ImportVolunteerCsvCommand;
import seedu.address.logic.commands.ListCommand;
import seedu.address.logic.commands.ListEventCommand;
import seedu.address.logic.commands.ManageCommand;
import seedu.address.logic.commands.OverviewCommand;
import seedu.address.logic.commands.RedoCommand;
import seedu.address.logic.commands.SelectCommand;
import seedu.address.logic.commands.SelectEventCommand;
import seedu.address.logic.commands.SwitchCommand;
import seedu.address.logic.commands.UndoCommand;
import seedu.address.logic.parser.exceptions.ParseException;
import seedu.address.model.Context;
/**
* Parses user input.
*/
public class AddressBookParser {
/**
* Used for initial separation of command word and args.
*/
private static final Pattern BASIC_COMMAND_FORMAT = Pattern.compile("(?<commandWord>\\S+)(?<arguments>.*)");
/**
* Parses user input into command for execution.
*
* @param userInput full user input string
* @param contextId the current context
* @return the command based on the user input
* @throws ParseException if the user input does not conform the expected format
*/
public Command parseCommand(String userInput, String contextId) throws ParseException {
final Matcher matcher = BASIC_COMMAND_FORMAT.matcher(userInput.trim());
if (!matcher.matches()) {
throw new ParseException(String.format(MESSAGE_INVALID_COMMAND_FORMAT, HelpCommand.MESSAGE_USAGE));
}
final String commandWord = matcher.group("commandWord");
final String arguments = matcher.group("arguments");
// Shared Commands
switch (commandWord) {
case SwitchCommand.COMMAND_WORD:
return new SwitchCommandParser().parse(arguments);
case HistoryCommand.COMMAND_WORD:
return new HistoryCommand();
case ExitCommand.COMMAND_WORD:
return new ExitCommand();
case HelpCommand.COMMAND_WORD:
return new HelpCommand();
case UndoCommand.COMMAND_WORD:
return new UndoCommand();
case RedoCommand.COMMAND_WORD:
return new RedoCommand();
default:
break;
}
// Executes commands for events
if (contextId.equals(Context.EVENT_CONTEXT_ID)) {
return parseEventCommand(commandWord, arguments);
}
// Executes commands for volunteers
if (contextId.equals(Context.VOLUNTEER_CONTEXT_ID)) {
return parseVolunteerCommand(commandWord, arguments);
}
// Execute commands for records
if (contextId.equals(Context.RECORD_CONTEXT_ID)) {
return parseRecordCommand(commandWord, arguments);
}
throw new ParseException(MESSAGE_UNKNOWN_COMMAND);
}
/**
* Parses user input specifically for event commands for execution.
**/
private Command parseEventCommand(String commandWord, String arguments) throws ParseException {
// Replace all these commands
switch (commandWord) {
case AddEventCommand.COMMAND_WORD:
return new AddEventCommandParser().parse(arguments);
case EditEventCommand.COMMAND_WORD:
return new EditEventCommandParser().parse(arguments);
case SelectEventCommand.COMMAND_WORD:
return new SelectEventCommandParser().parse(arguments);
case DeleteEventCommand.COMMAND_WORD:
return new DeleteEventCommandParser().parse(arguments);
case FindEventCommand.COMMAND_WORD:
return new FindEventCommandParser().parse(arguments);
case ListEventCommand.COMMAND_WORD:
return new ListEventCommand();
case OverviewCommand.COMMAND_WORD:
return new OverviewCommand();
case ManageCommand.COMMAND_WORD:
return new ManageCommandParser().parse(arguments);
case ExportEventXmlCommand.COMMAND_WORD:
return new ExportEventXmlCommandParser().parse(arguments);
default:
throw new ParseException(MESSAGE_UNKNOWN_COMMAND);
}
}
/**
* Parses user input specifically for volunteer commands for execution.
*/
private Command parseVolunteerCommand(String commandWord, String arguments) throws ParseException {
switch (commandWord) {
case AddCommand.COMMAND_WORD:
return new AddCommandParser().parse(arguments);
case EditCommand.COMMAND_WORD:
return new EditCommandParser().parse(arguments);
case SelectCommand.COMMAND_WORD:
return new SelectCommandParser().parse(arguments);
case DeleteCommand.COMMAND_WORD:
return new DeleteCommandParser().parse(arguments);
case ClearCommand.COMMAND_WORD:
return new ClearCommand();
case FindCommand.COMMAND_WORD:
return new FindCommandParser().parse(arguments);
case ListCommand.COMMAND_WORD:
return new ListCommand();
case OverviewCommand.COMMAND_WORD:
return new OverviewCommand();
case ExportCertCommand.COMMAND_WORD:
return new ExportCertCommandParser().parse(arguments);
case ExportVolunteerCsvCommand.COMMAND_WORD:
return new ExportVolunteerCsvCommandParser().parse(arguments);
case ExportVolunteerXmlCommand.COMMAND_WORD:
return new ExportVolunteerXmlCommandParser().parse(arguments);
case ImportVolunteerCsvCommand.COMMAND_WORD:
return new ImportVolunteerCsvCommandParser().parse(arguments);
default:
throw new ParseException(MESSAGE_UNKNOWN_COMMAND);
}
}
/**
* Parses user input specifically for record management commands for execution.
**/
private Command parseRecordCommand(String commandWord, String arguments) throws ParseException {
switch (commandWord) {
case FindCommand.COMMAND_WORD:
return new FindCommandParser().parse(arguments);
case ListCommand.COMMAND_WORD:
return new ListCommand();
case AddRecordCommand.COMMAND_WORD:
return new AddRecordCommandParser().parse(arguments);
case EditRecordCommand.COMMAND_WORD:
return new EditRecordCommandParser().parse(arguments);
case DeleteRecordCommand.COMMAND_WORD:
return new DeleteRecordCommandParser().parse(arguments);
default:
throw new ParseException(MESSAGE_UNKNOWN_COMMAND);
}
}
}