/*
* Copyright 2007 Masatoshi sato.
*
* 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 org.sd_network.vfsshell.command;
import java.util.LinkedList;
import java.util.logging.Logger;
import java.util.logging.Level;
import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.CommandLineParser;
import org.apache.commons.cli.HelpFormatter;
import org.apache.commons.cli.Options;
import org.apache.commons.cli.ParseException;
import org.apache.commons.cli.PosixParser;
import org.sd_network.vfs.AuthenticationException;
import org.sd_network.vfs.VfsContext;
import org.sd_network.vfs.VfsService;
import org.sd_network.vfs.SessionException;
import org.sd_network.vfs.db.VfsFile;
import org.sd_network.vfsshell.CommandHandlerBase;
import org.sd_network.vfsshell.Session;
import org.sd_network.vfsshell.util.ConsoleUtil;
public class Pwd
extends CommandHandlerBase
{
/** Logger. */
private static final Logger _log = Logger.getLogger(
Pwd.class.getName());
////////////////////////////////////////////////////////////
// Private fields.
// Define command line options.
private static final Options _options;
static {
Options buf = new Options();
_options = buf;
};
////////////////////////////////////////////////////////////
// Implements to CommandHandler.
public void execute(String[] args) {
// check session.
Session session = Session.getInstance();
String sessionID = session.getSessionID();
if (sessionID == null) {
System.out.println("ERROR: You must login.");
return;
}
VfsService vfsService = VfsContext.getService();
CommandLine commandLine = null;
try {
commandLine = new PosixParser().parse(_options, args);
} catch (ParseException e) {
printUsage(e.getMessage());
return;
}
VfsFile curDir = session.getCurrentDirectory();
try {
VfsFile parent = curDir;
LinkedList<VfsFile> pathList = new LinkedList<VfsFile>();
while (!parent.getParentID().equals("-1")) {
pathList.addFirst(parent);
String parentID = parent.getParentID();
parent = vfsService.getVfsFile(sessionID, parentID);
if (parent == null)
throw new IllegalStateException(
"ERROR: parent directory not found.");
}
StringBuffer sb = new StringBuffer();
for (int idx = 0; idx < pathList.size(); idx++) {
sb.append("/").append(pathList.get(idx).getName());
}
if (sb.length() > 0)
System.out.println(sb.toString());
else
System.out.println("/");
} catch (SessionException e) {
session.clearSessionID();
throw new IllegalStateException("ERROR: Session time out.");
}
}
public void printUsage(String errorMessage) {
System.out.println(errorMessage);
HelpFormatter formatter = new HelpFormatter();
formatter.printHelp("pwd", null);
}
}