/**
* Copyright (C) 2010-2017 Structr GmbH
*
* This file is part of Structr <http://structr.org>.
*
* Structr is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* Structr 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with Structr. If not, see <http://www.gnu.org/licenses/>.
*/
package org.structr.files.ssh.shell;
import java.io.IOException;
import java.util.List;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.structr.common.Permission;
import org.structr.common.error.FrameworkException;
import org.structr.core.app.App;
import org.structr.core.app.StructrApp;
import org.structr.core.graph.Tx;
import org.structr.files.ssh.StructrShellCommand;
import org.structr.web.entity.AbstractFile;
import org.structr.web.entity.Folder;
/**
*
* See also http://invisible-island.net/xterm/ctlseqs/ctlseqs.html
*/
public class LsCommand extends NonInteractiveShellCommand {
private static final Logger logger = LoggerFactory.getLogger(LsCommand.class.getName());
@Override
public void execute(final StructrShellCommand parent) throws IOException {
final App app = StructrApp.getInstance();
try (final Tx tx = app.tx()) {
final Folder currentFolder = parent.getCurrentFolder();
if (currentFolder != null) {
listFolder(parent, currentFolder.getProperty(AbstractFile.children));
} else {
listFolder(parent, app.nodeQuery(AbstractFile.class).and(AbstractFile.parent, null).getAsList());
}
tx.success();
} catch (FrameworkException fex) {
logger.warn("", fex);
}
}
// ----- private methods -----
private void listFolder(final StructrShellCommand parent, final List<AbstractFile> folder) throws FrameworkException, IOException {
for (final AbstractFile child : folder) {
if (parent.isAllowed(child, Permission.read, false)) {
if (child instanceof Folder) {
term.setBold(true);
term.setTextColor(4);
term.print(child.getName() + " ");
term.setTextColor(7);
term.setBold(false);
} else {
term.print(child.getName() + " ");
}
}
}
if (!folder.isEmpty()) {
term.println();
}
}
}