/*
* Copyright 2003-2004 The Apache Software Foundation
*
* 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.apache.tools.ant.taskdefs.optional.ssh;
import com.jcraft.jsch.Channel;
import com.jcraft.jsch.Session;
import com.jcraft.jsch.JSchException;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.FileInputStream;
import java.io.OutputStream;
import java.util.List;
import java.util.Iterator;
public class ScpToMessage extends AbstractSshMessage {
private final int BUFFER_SIZE = 1024;
private File localFile;
private String remotePath;
private List directoryList;
public ScpToMessage(Session session,
File aLocalFile,
String aRemotePath) {
super(session);
this.localFile = aLocalFile;
this.remotePath = aRemotePath;
}
public ScpToMessage(Session session,
List aDirectoryList,
String aRemotePath) {
super(session);
this.directoryList = aDirectoryList;
this.remotePath = aRemotePath;
}
public void execute() throws IOException, JSchException {
if (directoryList != null) {
doMultipleTransfer();
}
if (localFile != null) {
doSingleTransfer();
}
log("done.\n");
}
private void doSingleTransfer() throws IOException, JSchException {
String cmd = "scp -t " + remotePath;
Channel channel = openExecChannel(cmd);
try {
OutputStream out = channel.getOutputStream();
InputStream in = channel.getInputStream();
channel.connect();
waitForAck(in);
sendFileToRemote(localFile, in, out);
} finally {
if (channel != null) {
channel.disconnect();
}
}
}
private void doMultipleTransfer() throws IOException, JSchException {
Channel channel = openExecChannel("scp -d -t " + remotePath);
try {
OutputStream out = channel.getOutputStream();
InputStream in = channel.getInputStream();
channel.connect();
waitForAck(in);
for (Iterator i = directoryList.iterator(); i.hasNext();) {
Directory current = (Directory) i.next();
sendDirectory(current, in, out);
}
} finally {
if (channel != null) {
channel.disconnect();
}
}
}
private void sendDirectory(Directory current,
InputStream in,
OutputStream out) throws IOException {
for (Iterator fileIt = current.filesIterator(); fileIt.hasNext();) {
sendFileToRemote((File) fileIt.next(), in, out);
}
for (Iterator dirIt = current.directoryIterator(); dirIt.hasNext();) {
Directory dir = (Directory) dirIt.next();
sendDirectoryToRemote(dir, in, out);
}
}
private void sendDirectoryToRemote(Directory directory,
InputStream in,
OutputStream out) throws IOException {
String command = "D0755 0 ";
command += directory.getDirectory().getName();
command += "\n";
out.write(command.getBytes());
out.flush();
waitForAck(in);
sendDirectory(directory, in, out);
out.write("E\n".getBytes());
waitForAck(in);
}
private void sendFileToRemote(File localFile,
InputStream in,
OutputStream out) throws IOException {
// send "C0644 filesize filename", where filename should not include '/'
int filesize = (int) localFile.length();
String command = "C0644 " + filesize + " ";
command += localFile.getName();
command += "\n";
out.write(command.getBytes());
out.flush();
waitForAck(in);
// send a content of lfile
FileInputStream fis = new FileInputStream(localFile);
byte[] buf = new byte[BUFFER_SIZE];
long startTime = System.currentTimeMillis();
int totalLength = 0;
try {
log("Sending: " + localFile.getName() + " : " + localFile.length());
while (true) {
int len = fis.read(buf, 0, buf.length);
if (len <= 0) {
break;
}
out.write(buf, 0, len);
totalLength += len;
}
out.flush();
sendAck(out);
waitForAck(in);
} finally {
long endTime = System.currentTimeMillis();
logStats(startTime, endTime, totalLength);
fis.close();
}
}
public File getLocalFile() {
return localFile;
}
public String getRemotePath() {
return remotePath;
}
}