/*
* Copyright 2014 the original author or authors.
*
* 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.springframework.integration.samples.sftp;
import static org.hamcrest.Matchers.containsString;
import static org.junit.Assert.assertThat;
import static org.junit.Assert.fail;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import org.springframework.beans.DirectFieldAccessor;
import org.springframework.integration.file.remote.RemoteFileTemplate;
import org.springframework.integration.file.remote.SessionCallback;
import org.springframework.integration.file.remote.session.Session;
import com.jcraft.jsch.ChannelSftp;
import com.jcraft.jsch.ChannelSftp.LsEntry;
import com.jcraft.jsch.SftpATTRS;
import com.jcraft.jsch.SftpException;
/**
* @author Gary Russell
* @since 4.1
*
*/
public class SftpTestUtils {
public static void createTestFiles(RemoteFileTemplate<LsEntry> template, final String... fileNames) {
if (template != null) {
final ByteArrayInputStream stream = new ByteArrayInputStream("foo".getBytes());
template.execute(new SessionCallback<LsEntry, Void>() {
@Override
public Void doInSession(Session<LsEntry> session) throws IOException {
try {
session.mkdir("si.sftp.sample");
}
catch (Exception e) {
assertThat(e.getMessage(), containsString("failed to create"));
}
for (int i = 0; i < fileNames.length; i++) {
stream.reset();
session.write(stream, "si.sftp.sample/" + fileNames[i]);
}
return null;
}
});
}
}
public static void cleanUp(RemoteFileTemplate<LsEntry> template, final String... fileNames) {
if (template != null) {
template.execute(new SessionCallback<LsEntry, Void>() {
@Override
public Void doInSession(Session<LsEntry> session) throws IOException {
// TODO: avoid DFAs with Spring 4.1 (INT-3412)
ChannelSftp channel = (ChannelSftp) new DirectFieldAccessor(new DirectFieldAccessor(session)
.getPropertyValue("targetSession")).getPropertyValue("channel");
for (int i = 0; i < fileNames.length; i++) {
try {
session.remove("si.sftp.sample/" + fileNames[i]);
}
catch (IOException e) {}
}
try {
// should be empty
channel.rmdir("si.sftp.sample");
}
catch (SftpException e) {
fail("Expected remote directory to be empty " + e.getMessage());
}
return null;
}
});
}
}
public static boolean fileExists(RemoteFileTemplate<LsEntry> template, final String... fileNames) {
if (template != null) {
return template.execute(new SessionCallback<LsEntry, Boolean>() {
@Override
public Boolean doInSession(Session<LsEntry> session) throws IOException {
// TODO: avoid DFAs with Spring 4.1 (INT-3412)
ChannelSftp channel = (ChannelSftp) new DirectFieldAccessor(new DirectFieldAccessor(session)
.getPropertyValue("targetSession")).getPropertyValue("channel");
for (int i = 0; i < fileNames.length; i++) {
try {
SftpATTRS stat = channel.stat("si.sftp.sample/" + fileNames[i]);
if (stat == null) {
System.out.println("stat returned null for " + fileNames[i]);
return false;
}
}
catch (SftpException e) {
System.out.println("Remote file not present: " + e.getMessage() + ": " + fileNames[i]);
return false;
}
}
return true;
}
});
}
else {
return false;
}
}
}