/*
* Created on 21-Sep-2007
* Copyright (C) 2006 by Andrea Vacondio.
*
*
* This library is provided under dual licenses.
* You may choose the terms of the Lesser General Public License version 2.1 or the General Public License version 2
* License at your discretion.
*
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*
*
* 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 2 of the License.
*
* 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, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package org.pdfsam.console.business.parser;
import jcmdline.CmdLineHandler;
import org.apache.commons.lang.time.DurationFormatUtils;
import org.apache.commons.lang.time.StopWatch;
import org.apache.log4j.Logger;
import org.pdfsam.console.business.dto.commands.AbstractParsedCommand;
import org.pdfsam.console.business.dto.commands.ConcatParsedCommand;
import org.pdfsam.console.business.dto.commands.DecryptParsedCommand;
import org.pdfsam.console.business.dto.commands.DocumentInfoParsedCommand;
import org.pdfsam.console.business.dto.commands.EncryptParsedCommand;
import org.pdfsam.console.business.dto.commands.MixParsedCommand;
import org.pdfsam.console.business.dto.commands.PageLabelsParsedCommand;
import org.pdfsam.console.business.dto.commands.RotateParsedCommand;
import org.pdfsam.console.business.dto.commands.SetViewerParsedCommand;
import org.pdfsam.console.business.dto.commands.SlideShowParsedCommand;
import org.pdfsam.console.business.dto.commands.SplitParsedCommand;
import org.pdfsam.console.business.dto.commands.UnpackParsedCommand;
import org.pdfsam.console.business.parser.handlers.ConcatCmdHandler;
import org.pdfsam.console.business.parser.handlers.DecryptCmdHandler;
import org.pdfsam.console.business.parser.handlers.DefaultCmdHandler;
import org.pdfsam.console.business.parser.handlers.DocumentInfoCmdHandler;
import org.pdfsam.console.business.parser.handlers.EncryptCmdHandler;
import org.pdfsam.console.business.parser.handlers.MixCmdHandler;
import org.pdfsam.console.business.parser.handlers.PageLabelsCmdHandler;
import org.pdfsam.console.business.parser.handlers.RotateCmdHandler;
import org.pdfsam.console.business.parser.handlers.SetViewerCmdHandler;
import org.pdfsam.console.business.parser.handlers.SlideShowCmdHandler;
import org.pdfsam.console.business.parser.handlers.SplitCmdHandler;
import org.pdfsam.console.business.parser.handlers.UnpackCmdHandler;
import org.pdfsam.console.business.parser.handlers.interfaces.CmdHandler;
import org.pdfsam.console.business.parser.validators.ConcatCmdValidator;
import org.pdfsam.console.business.parser.validators.DecryptCmdValidator;
import org.pdfsam.console.business.parser.validators.DocumentInfoCmdValidator;
import org.pdfsam.console.business.parser.validators.EncryptCmdValidator;
import org.pdfsam.console.business.parser.validators.MixCmdValidator;
import org.pdfsam.console.business.parser.validators.PageLabelsCmdValidator;
import org.pdfsam.console.business.parser.validators.RotateCmdValidator;
import org.pdfsam.console.business.parser.validators.SetViewerCmdValidator;
import org.pdfsam.console.business.parser.validators.SlideShowCmdValidator;
import org.pdfsam.console.business.parser.validators.SplitCmdValidator;
import org.pdfsam.console.business.parser.validators.UnpackCmdValidator;
import org.pdfsam.console.business.parser.validators.interfaces.CmdValidator;
import org.pdfsam.console.exceptions.console.ConsoleException;
import org.pdfsam.console.exceptions.console.ParseException;
/**
* Main command parser
* @author Andrea Vacondio
*
*/
public class CmdParseManager {
private final Logger log = Logger.getLogger(CmdParseManager.class.getPackage().getName());
private String[] inputArguments;
private CmdHandler cmdHandler;
private CmdValidator cmdValidator;
private final StopWatch stopWatch = new StopWatch();
public CmdParseManager() {
setInputArguments(null);
}
public CmdParseManager(String[] inputArguments) {
setInputArguments(inputArguments);
}
/**
* @return the input command
*/
private String getInputCommand() {
String retVal;
retVal = (inputArguments != null && inputArguments.length > 0)? inputArguments[inputArguments.length-1]: "";
return retVal;
}
/**
* Sets the input arguments creating the properCmdHandler and CmdValidator
* @param inputArguments
*/
public void setInputArguments(String[] inputArguments){
this.inputArguments = inputArguments;
String inputCommand = getInputCommand();
if(MixParsedCommand.COMMAND_MIX.equals(inputCommand)){
cmdHandler = new MixCmdHandler();
cmdValidator = new MixCmdValidator();
}
else if(ConcatParsedCommand.COMMAND_CONCAT.equals(inputCommand)){
cmdHandler = new ConcatCmdHandler();
cmdValidator = new ConcatCmdValidator();
}
else if(SplitParsedCommand.COMMAND_SPLIT.equals(inputCommand)){
cmdHandler = new SplitCmdHandler();
cmdValidator = new SplitCmdValidator();
}
else if(EncryptParsedCommand.COMMAND_ENCRYPT.equals(inputCommand)){
cmdHandler = new EncryptCmdHandler();
cmdValidator = new EncryptCmdValidator();
}
else if(UnpackParsedCommand.COMMAND_UNPACK.equals(inputCommand)){
cmdHandler = new UnpackCmdHandler();
cmdValidator = new UnpackCmdValidator();
}
else if(SetViewerParsedCommand.COMMAND_SETVIEWER.equals(inputCommand)){
cmdHandler = new SetViewerCmdHandler();
cmdValidator = new SetViewerCmdValidator();
}
else if(SlideShowParsedCommand.COMMAND_SLIDESHOW.equals(inputCommand)){
cmdHandler = new SlideShowCmdHandler();
cmdValidator = new SlideShowCmdValidator();
}
else if(DecryptParsedCommand.COMMAND_DECRYPT.equals(inputCommand)){
cmdHandler = new DecryptCmdHandler();
cmdValidator = new DecryptCmdValidator();
}
else if(RotateParsedCommand.COMMAND_ROTATE.equals(inputCommand)){
cmdHandler = new RotateCmdHandler();
cmdValidator = new RotateCmdValidator();
}
else if(PageLabelsParsedCommand.COMMAND_PAGELABELS.equals(inputCommand)){
cmdHandler = new PageLabelsCmdHandler();
cmdValidator = new PageLabelsCmdValidator();
}
else if(DocumentInfoParsedCommand.COMMAND_SETDOCINFO.equals(inputCommand)){
cmdHandler = new DocumentInfoCmdHandler();
cmdValidator = new DocumentInfoCmdValidator();
}
else{
cmdHandler = new DefaultCmdHandler();
}
}
/**
* Perform command line parsing
* @return true if parsed correctly
* @throws ConsoleException
*/
public boolean parse() throws ConsoleException {
stopWatch.reset();
stopWatch.start();
boolean retVal = false;
try {
if (cmdHandler != null) {
CmdLineHandler cmdLineHandler = cmdHandler.getCommandLineHandler();
log.debug("Starting arguments parsing.");
if (cmdLineHandler != null) {
retVal = cmdLineHandler.parse(inputArguments);
if (!retVal) {
throw new ParseException(ParseException.ERR_PARSE, new String[] { cmdLineHandler.getParseError() });
}
} else {
throw new ConsoleException(ConsoleException.CMD_LINE_HANDLER_NULL);
}
} else {
throw new ConsoleException(ConsoleException.CMD_LINE_HANDLER_NULL);
}
} finally {
stopWatch.stop();
log.debug("Command '" + getInputCommand() + "' parsed in "
+ DurationFormatUtils.formatDurationWords(stopWatch.getTime(), true, true));
}
return retVal;
}
/**
* Perform command line parsing for the input arguments
* @return true if parsed correctly
* @throws ConsoleException
*/
public boolean parse(String[] inputArguments) throws ConsoleException{
setInputArguments(inputArguments);
return parse();
}
/**
* Perform command validation
* @return parsed command
* @throws ConsoleException
*/
public AbstractParsedCommand validate() throws ConsoleException {
stopWatch.reset();
stopWatch.start();
AbstractParsedCommand retVal = null;
try {
if (cmdHandler != null) {
CmdLineHandler cmdLineHandler = cmdHandler.getCommandLineHandler();
log.debug("Starting arguments validation.");
if (cmdLineHandler != null) {
if (cmdValidator != null) {
retVal = cmdValidator.validate(cmdLineHandler);
} else {
throw new ConsoleException(ConsoleException.CMD_LINE_VALIDATOR_NULL);
}
} else {
throw new ConsoleException(ConsoleException.CMD_LINE_HANDLER_NULL);
}
} else {
throw new ConsoleException(ConsoleException.CMD_LINE_HANDLER_NULL);
}
} finally {
stopWatch.stop();
log.debug("Command '" + getInputCommand() + "' validated in "
+ DurationFormatUtils.formatDurationWords(stopWatch.getTime(), true, true));
}
return retVal;
}
}