com.jcraft.jsch.Channel.isConnected()方法的使用及代码示例

本文整理了Java中com.jcraft.jsch.Channel.isConnected()方法的一些代码示例，展示了Channel.isConnected()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Channel.isConnected()方法的具体详情如下：
包路径：com.jcraft.jsch.Channel
类名称：Channel
方法名：isConnected

Channel.isConnected介绍

[英]returns true if this channel is currently connected (which also means that the session is still connected).
[中]如果此通道当前已连接（这也意味着会话仍处于连接状态），则返回true。

代码示例

代码示例来源：origin: looly/hutool

/**
* 关闭会话通道
*
* @param channel 会话通道
* @since 4.0.3
*/
public static void close(Channel channel) {
if (channel != null && channel.isConnected()) {
channel.disconnect();
}
}

代码示例来源：origin: looly/hutool

/**
* 关闭会话通道
*
* @param channel 会话通道
* @since 4.0.3
*/
public static void close(Channel channel) {
if (channel != null && channel.isConnected()) {
channel.disconnect();
}
}

代码示例来源：origin: dadoonet/fscrawler

private ChannelSftp openSSHConnection(Server server) throws Exception {
logger.debug("Opening SSH connection to {}@{}", server.getUsername(), server.getHostname());
JSch jsch = new JSch();
Session session = jsch.getSession(server.getUsername(), server.getHostname(), server.getPort());
java.util.Properties cOnfig= new java.util.Properties();
config.put("StrictHostKeyChecking", "no");
if (server.getPemPath() != null) {
jsch.addIdentity(server.getPemPath());
}
session.setConfig(config);
if (server.getPassword() != null) {
session.setPassword(server.getPassword());
}
session.connect();
//Open a new session for SFTP.
Channel channel = session.openChannel("sftp");
channel.connect();
//checking SSH client connection.
if (!channel.isConnected()) {
logger.warn("Cannot connect with SSH to {}@{}", server.getUsername(),
server.getHostname());
throw new RuntimeException("Can not connect to " + server.getUsername() + "@" + server.getHostname());
}
logger.debug("SSH connection successful");
return (ChannelSftp) channel;
}
}

代码示例来源：origin: dufyun/learn-tech-collection

@Override
public boolean isConnected() {
boolean flag = false;
if(this.channel != null && this.channel.isConnected()){
flag = true;
}
return flag;
}

代码示例来源：origin: cn.hutool/hutool-all

/**
* 关闭会话通道
*
* @param channel 会话通道
* @since 4.0.3
*/
public static void close(Channel channel) {
if (channel != null && channel.isConnected()) {
channel.disconnect();
}
}

代码示例来源：origin: Impetus/jumbune

public void closeChannel(Channel channel){
if(channel!=null && channel.isConnected()){
channel.disconnect();
}
}

代码示例来源：origin: org.hudsonci.plugins/gerrit-events

/**
* Returns if there already is an open session on this connection.
*
* @return true if it is so.
*/
@Override
public synchronized boolean isSessionOpen() {
return currentSession != null && currentSession.isConnected() && !currentSession.isEOF();
}

代码示例来源：origin: com.sonyericsson.hudson.plugins.gerrit/gerrit-events

/**
* Returns if there already is an open session on this connection.
* @return true if it is so.
*/
public synchronized boolean isSessionOpen() {
return currentSession != null && currentSession.isConnected() && !currentSession.isEOF();
}

代码示例来源：origin: Impetus/jumbune

public void closeChannel(Channel channel){
if(channel!=null && channel.isConnected()){
channel.disconnect();
}
}

代码示例来源：origin: Impetus/jumbune

public void closeChannel(Channel channel){
if(channel!=null && channel.isConnected()){
channel.disconnect();
}
}

代码示例来源：origin: Impetus/jumbune

public void closeChannel(Channel channel){
if(channel!=null && channel.isConnected()){
channel.disconnect();
}
}

代码示例来源：origin: Adobe-Consulting-Services/acs-aem-commons

@Override
public void close() throws IOException {
if (currentStream != null) {
currentStream.close();
}
if (channel != null && channel.isConnected()) {
channel.disconnect();
channel = null;
}
if (session != null) {
session.disconnect();
session = null;
}
}

代码示例来源：origin: bradand/XMouse

public boolean executeShellCommand(String cmd){
MainActivity.recentCmdTextView.setText(cmd);
if(session==null){
return false;
}
if(session.isConnected() && channel.isConnected()){
try {
//Log.d(TAG,cmd+", "+session.isConnected());
cmd=cmd+"\r\n";
pin.write(cmd.getBytes());
pin.flush();
return true;
} catch (IOException e) {
e.printStackTrace();
}
}
return false;
}
public class SshExecTask extends AsyncTask {

代码示例来源：origin: org.apache.servicemix.bundles/org.apache.servicemix.bundles.jsch

void write(Packet packet) throws Exception{
if(reply){
channel.reply=-1;
}
session.write(packet);
if(reply){
long start=System.currentTimeMillis();
long timeout=channel.connectTimeout;
while(channel.isConnected() && channel.reply==-1){
try{Thread.sleep(10);}
catch(Exception ee){
}
if(timeout>0L &&
(System.currentTimeMillis()-start)>timeout){
channel.reply=0;
throw new JSchException("channel request: timeout");
}
}
if(channel.reply==0){
throw new JSchException("failed to send channel request");
}
}
}
}

代码示例来源：origin: org.mule.jsch/jsch

void write(Packet packet) throws Exception{
if(reply){
channel.reply=-1;
}
session.write(packet);
if(reply){
long start=System.currentTimeMillis();
long timeout=channel.connectTimeout;
while(channel.isConnected() && channel.reply==-1){
try{Thread.sleep(10);}
catch(Exception ee){
}
if(timeout>0L &&
(System.currentTimeMillis()-start)>timeout){
channel.reply=0;
throw new JSchException("channel request: timeout");
}
}
if(channel.reply==0){
throw new JSchException("failed to send channel request");
}
}
}
}

代码示例来源：origin: org.ikasan/ikasan-connector-sftp-classes

/**
* Method that tests if the underlying library's session and channels are
* valid and connected.
*
* @return true if fully connected, false
* otherwise
*/
public boolean isConnected()
{
// Getting the status of each connection related object
boolean a = (this.session == null) ? false : this.session.isConnected();
boolean b = (this.channel == null) ? false : this.channel.isConnected();
boolean c = (this.channelSftp == null) ? false : this.channelSftp.isConnected();
// If all the above are true, then we are connected
// Else, two possibilities, either we are all happily disconnected, or
// one of the above is null (when it shouldn't - hence assume
// disconnected
return (a && b && c);
}

代码示例来源：origin: com.jcraft.jsch/com.springsource.com.jcraft.jsch

void write(Packet packet) throws Exception{
if(reply){
channel.reply=-1;
}
session.write(packet);
if(reply){
long start=System.currentTimeMillis();
long timeout=channel.connectTimeout;
while(channel.isConnected() && channel.reply==-1){
try{Thread.sleep(10);}
catch(Exception ee){
}
if(timeout>0L &&
(System.currentTimeMillis()-start)>timeout){
channel.reply=0;
throw new JSchException("channel request: timeout");
}
}
if(channel.reply==0){
throw new JSchException("failed to send channel request");
}
}
}
}

代码示例来源：origin: net.sourceforge.expectj/expectj

/**
* Takes control over an existing SSH channel.
*
* @param channel The channel we should control. If this channel isn't
* already connected, {@link Channel#connect()} will be called.
*
* @throws IOException If connecting the channel fails.
*/
public SshSpawn(Channel channel) throws IOException {
if (!channel.isConnected()) {
try {
channel.connect();
} catch (JSchException e) {
throw new IOException("Failed connecting the channel", e) ;
}
}
this.m_channel = channel;
m_toSocket = m_channel.getInputStream();
m_fromSocket = m_channel.getOutputStream();
}

代码示例来源：origin: com.redhat.rhevm.api/rhevm-api-powershell-expectj

/**
* Takes control over an existing SSH channel.
*
* @param channel The channel we should control. If this channel isn't
* already connected, {@link Channel#connect()} will be called.
*
* @throws IOException If connecting the channel fails.
*/
public SshSpawn(Channel channel) throws IOException {
if (!channel.isConnected()) {
try {
channel.connect();
} catch (JSchException e) {
throw new IOException("Failed connecting the channel", e) ;
}
}
this.m_channel = channel;
m_toSocket = m_channel.getInputStream();
m_fromSocket = m_channel.getOutputStream();
}

代码示例来源：origin: com.axway.ats.expectj/ats-expectj

/**
* Takes control over an existing SSH channel.
*
* @param channel The channel we should control. If this channel isn't
* already connected, {@link Channel#connect()} will be called.
*
* @throws IOException If connecting the channel fails.
*/
public SshSpawn( Channel channel ) throws IOException {
if( !channel.isConnected() ) {
try {
channel.connect();
} catch( JSchException e ) {
throw new IOException( "Failed connecting the channel", e );
}
}
this.m_channel = channel;
m_toSocket = m_channel.getInputStream();
m_fromSocket = m_channel.getOutputStream();
}