/* Copyright 2004-2014 Jim Voris
*
* 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 com.qumasoft.server.clientrequest;
import com.qumasoft.qvcslib.ArchiveDirManagerInterface;
import com.qumasoft.qvcslib.ArchiveInfoInterface;
import com.qumasoft.qvcslib.DirectoryCoordinate;
import com.qumasoft.qvcslib.LogFileInterface;
import com.qumasoft.qvcslib.QVCSConstants;
import com.qumasoft.qvcslib.QVCSException;
import com.qumasoft.qvcslib.ServerResponseFactoryInterface;
import com.qumasoft.qvcslib.SkinnyLogfileInfo;
import com.qumasoft.qvcslib.Utility;
import com.qumasoft.qvcslib.commandargs.GetRevisionCommandArgs;
import com.qumasoft.qvcslib.requestdata.ClientRequestGetRevisionData;
import com.qumasoft.qvcslib.response.ServerResponseError;
import com.qumasoft.qvcslib.response.ServerResponseGetRevision;
import com.qumasoft.qvcslib.response.ServerResponseInterface;
import com.qumasoft.qvcslib.response.ServerResponseMessage;
import com.qumasoft.server.ArchiveDirManagerFactoryForServer;
import com.qumasoft.server.ServerUtility;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* Get a revision.
* @author Jim Voris
*/
public class ClientRequestGetRevision implements ClientRequestInterface {
// Create our logger object
private static final Logger LOGGER = Logger.getLogger("com.qumasoft.server");
private final ClientRequestGetRevisionData request;
/**
* Creates a new instance of ClientRequestFetchFileRevision.
*
* @param data the request data.
*/
public ClientRequestGetRevision(ClientRequestGetRevisionData data) {
request = data;
}
@Override
public ServerResponseInterface execute(String userName, ServerResponseFactoryInterface response) {
ServerResponseGetRevision serverResponse;
ServerResponseInterface returnObject;
String projectName = request.getProjectName();
String viewName = request.getViewName();
String appendedPath = request.getAppendedPath();
GetRevisionCommandArgs commandArgs = request.getCommandArgs();
FileInputStream fileInputStream = null;
try {
DirectoryCoordinate directoryCoordinate = new DirectoryCoordinate(projectName, viewName, appendedPath);
ArchiveDirManagerInterface archiveDirManager = ArchiveDirManagerFactoryForServer.getInstance().getDirectoryManager(QVCSConstants.QVCS_SERVER_SERVER_NAME,
directoryCoordinate, QVCSConstants.QVCS_SERVED_PROJECT_TYPE, QVCSConstants.QVCS_SERVER_USER, response, true);
ArchiveInfoInterface logfile = archiveDirManager.getArchiveInfo(commandArgs.getShortWorkfileName());
if (logfile != null) {
java.io.File tempFile = java.io.File.createTempFile("QVCS", ".tmp");
if (logfile.getRevision(commandArgs, tempFile.getAbsolutePath())) {
// Things worked. Set up the response object to contain the information the client needs.
serverResponse = new ServerResponseGetRevision();
// Need to read the resulting file into a buffer that we can send to the client.
fileInputStream = new FileInputStream(tempFile);
byte[] buffer = new byte[(int) tempFile.length()];
Utility.readDataFromStream(buffer, fileInputStream);
serverResponse.setBuffer(buffer);
LogFileInterface logFileInterface = (LogFileInterface) logfile;
serverResponse.setSkinnyLogfileInfo(new SkinnyLogfileInfo(logFileInterface.getLogfileInfo(), File.separator, logFileInterface.getIsObsolete(),
logFileInterface.getDefaultRevisionDigest(), logfile.getShortWorkfileName(), logfile.getIsOverlap()));
serverResponse.setClientWorkfileName(commandArgs.getOutputFileName());
serverResponse.setShortWorkfileName(logfile.getShortWorkfileName());
serverResponse.setProjectName(projectName);
serverResponse.setViewName(viewName);
serverResponse.setAppendedPath(appendedPath);
serverResponse.setRevisionString(commandArgs.getRevisionString());
serverResponse.setLabelString(commandArgs.getLabel());
serverResponse.setOverwriteBehavior(commandArgs.getOverwriteBehavior());
serverResponse.setTimestampBehavior(commandArgs.getTimestampBehavior());
// Figure out the timestamp that we send back.
ServerUtility.setTimestampData(logfile, serverResponse, commandArgs.getTimestampBehavior());
// Send back the logfile info if it's needed for
// keyword expansion.
if (logfile.getAttributes().getIsExpandKeywords()) {
serverResponse.setLogfileInfo(logfile.getLogfileInfo());
}
returnObject = serverResponse;
} else {
// Return a command error.
ServerResponseError error;
if ((commandArgs.getFailureReason() != null) && (commandArgs.getFailureReason().length() > 0)) {
error = new ServerResponseError("Failed to get revision for " + logfile.getShortWorkfileName() + ". " + commandArgs.getFailureReason(), projectName,
viewName, appendedPath);
} else {
error = new ServerResponseError("Failed to get revision " + commandArgs.getRevisionString() + " for " + logfile.getShortWorkfileName(), projectName,
viewName, appendedPath);
}
returnObject = error;
}
tempFile.delete();
} else {
// Return a command error.
ServerResponseError error = new ServerResponseError("Archive not found for " + commandArgs.getShortWorkfileName(), projectName, viewName, appendedPath);
returnObject = error;
}
} catch (QVCSException | IOException e) {
ServerResponseMessage message = new ServerResponseMessage(e.getLocalizedMessage(), projectName, viewName, appendedPath, ServerResponseMessage.HIGH_PRIORITY);
message.setShortWorkfileName(commandArgs.getShortWorkfileName());
returnObject = message;
} finally {
if (fileInputStream != null) {
try {
fileInputStream.close();
} catch (IOException e) {
LOGGER.log(Level.WARNING, Utility.expandStackTraceToString(e));
}
}
}
return returnObject;
}
}