/**
* 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.websocket.command;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Arrays;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.structr.common.SecurityContext;
import org.structr.core.GraphObject;
import org.structr.core.GraphObjectMap;
import org.structr.core.app.App;
import org.structr.core.app.StructrApp;
import org.structr.core.property.GenericProperty;
import org.structr.core.property.Property;
import org.structr.rest.maintenance.SnapshotCommand;
import org.structr.websocket.StructrWebSocket;
import org.structr.websocket.message.MessageBuilder;
import org.structr.websocket.message.WebSocketMessage;
//~--- classes ----------------------------------------------------------------
/**
*
*
*/
public class SnapshotsCommand extends AbstractCommand {
private static final Logger logger = LoggerFactory.getLogger(SnapshotsCommand.class.getName());
private static final Property<List<String>> snapshotsProperty = new GenericProperty<>("snapshots");
private static final Property<String> statusProperty = new GenericProperty<>("status");
static {
StructrWebSocket.addCommand(SnapshotsCommand.class);
}
@Override
public void processMessage(final WebSocketMessage webSocketData) {
final SecurityContext securityContext = getWebSocket().getSecurityContext();
final App app = StructrApp.getInstance(securityContext);
final Map<String, Object> data = webSocketData.getNodeData();
final String mode = (String)data.get("mode");
final String name = (String)data.get("name");
final String typesString = (String) data.get("types");
final List<String> types;
if (typesString != null) {
types = Arrays.asList(StringUtils.split(typesString, ","));
} else {
types = null;
}
if (mode != null) {
final List<GraphObject> result = new LinkedList<>();
switch (mode) {
case "list":
final List<String> snapshots = SnapshotCommand.listSnapshots();
if (snapshots != null) {
final GraphObjectMap snapshotContainer = new GraphObjectMap();
snapshotContainer.put(snapshotsProperty, snapshots);
result.add(snapshotContainer);
}
break;
case "get":
final Path snapshotFile = Paths.get(SnapshotCommand.getSnapshotsPath() + name);
if (Files.exists(snapshotFile)) {
try {
final String content = new String(Files.readAllBytes(snapshotFile));
// Send content directly
getWebSocket().send(MessageBuilder.finished().callback(callback).data("schemaJson", content).build(), true);
return;
} catch (IOException ex) {
LoggerFactory.getLogger(SnapshotsCommand.class.getName()).error("", ex);
}
}
break;
default:
final GraphObjectMap msg = new GraphObjectMap();
result.add(msg);
try {
app.command(SnapshotCommand.class).execute(mode, name, types);
msg.put(statusProperty, "success");
} catch (Throwable t) {
logger.warn("", t);
msg.put(statusProperty, t.getMessage());
}
}
// set full result list
webSocketData.setResult(result);
webSocketData.setRawResultCount(1);
getWebSocket().send(webSocketData, true);
} else {
getWebSocket().send(MessageBuilder.status().code(422).message("Mode must be one of list, export, add or restore.").build(), true);
}
}
@Override
public String getCommand() {
return "SNAPSHOTS";
}
}