/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.sshd.client.subsystem.sftp.extensions.openssh.helpers;
import java.io.IOException;
import java.io.StreamCorruptedException;
import java.util.Map;
import org.apache.sshd.client.subsystem.sftp.RawSftpClient;
import org.apache.sshd.client.subsystem.sftp.SftpClient;
import org.apache.sshd.client.subsystem.sftp.extensions.helpers.AbstractSftpClientExtension;
import org.apache.sshd.client.subsystem.sftp.extensions.openssh.OpenSSHStatExtensionInfo;
import org.apache.sshd.common.util.buffer.Buffer;
import org.apache.sshd.common.util.buffer.BufferUtils;
/**
* @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
*/
public abstract class AbstractOpenSSHStatCommandExtension extends AbstractSftpClientExtension {
protected AbstractOpenSSHStatCommandExtension(String name, SftpClient client, RawSftpClient raw, Map<String, byte[]> extensions) {
super(name, client, raw, extensions);
}
protected OpenSSHStatExtensionInfo doGetStat(Object target) throws IOException {
Buffer buffer = getCommandBuffer(target);
putTarget(buffer, target);
if (log.isDebugEnabled()) {
log.debug("doGetStat({})[{}]", getName(),
(target instanceof CharSequence) ? target : BufferUtils.toHex(BufferUtils.EMPTY_HEX_SEPARATOR, (byte[]) target));
}
buffer = checkExtendedReplyBuffer(receive(sendExtendedCommand(buffer)));
if (buffer == null) {
throw new StreamCorruptedException("Missing extended reply data");
}
return new OpenSSHStatExtensionInfo(buffer);
}
}