日期:2014-05-16  浏览次数:20831 次

java 远程执行linux shell (基于JSCH)

1. pom.xml

<dependency>
			<groupId>com.jcraft</groupId>
			<artifactId>jsch</artifactId>
			<version>0.1.50</version>
		</dependency>

?

2.?

package xxxxx;

import java.io.InputStream;
import java.util.Vector;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.jcraft.jsch.Channel;
import com.jcraft.jsch.ChannelExec;
import com.jcraft.jsch.ChannelSftp;
import com.jcraft.jsch.ChannelSftp.LsEntry;
import com.jcraft.jsch.JSch;
import com.jcraft.jsch.JSchException;
import com.jcraft.jsch.Session;
import com.jcraft.jsch.SftpException;
import com.jcraft.jsch.UserInfo;

public class JschShellUtil {
	private final Logger LOGGER = LoggerFactory.getLogger(JschShellUtil.class);
	private String host;
	private String user;
	private String password;
	private int port;
	private int maxWaitTime;
	private String keyfile;
	private String passphrase;
	private boolean sshKey;
	private ChannelSftp sftp;
	private ChannelExec exec;

	private Session session;

	public JschShellUtil(String host, String user, String password, int port, int maxWaitTime) {
		this.host = host;
		this.user = user;
		this.password = password;
		this.port = port;
		this.maxWaitTime = maxWaitTime;
		this.keyfile = null;
		this.passphrase = null;
		this.sshKey = false;
	}

	public JschShellUtil(String host, String user, int port, int maxWaitTime, String keyfile, String passphrase) {
		this.host = host;
		this.user = user;
		this.password = null;
		this.port = port;
		this.maxWaitTime = maxWaitTime;
		this.keyfile = keyfile;
		this.passphrase = passphrase;
		this.sshKey = true;
	}

	public void open() throws JSchException {
		JSch client = new JSch();
		if (sshKey && keyfile != null && keyfile.length() > 0) {
			client.addIdentity(this.keyfile, this.passphrase);
		}
		session = client.getSession(this.user, this.host, this.port);
		session.setUserInfo(new UserInfo() {
			public String getPassphrase() {
				return null;
			}

			public String getPassword() {
				return password;
			}

			public boolean promptPassphrase(String arg0) {
				return true;
			}

			public boolean promptPassword(String arg0) {
				return true;
			}

			public boolean promptYesNo(String arg0) {
				return true;
			}

			public void showMessage(String arg0) {
			}
		});
		session.setTimeout(maxWaitTime);
		session.connect();
		Channel channel = session.openChannel("sftp");
		channel.connect();
		sftp = (ChannelSftp) channel;
	}

	public void close() {
		if (sftp != null) {
			sftp.disconnect();
			sftp = null;
		}
		if (session != null) {
			session.disconnect();
			session = null;
		}

	}

	public void cd(String path) throws SftpException {
		sftp.cd(path);
	}

	public String pwd() throws SftpException {
		String pwd = sftp.pwd();
		LOGGER.info(sftp.pwd());
		return pwd;

	}

	public void ls() throws SftpException {
		Vector<?> vector = sftp.ls(".");
		for (Object object : vector) {
			if (object instanceof LsEntry) {
				LsEntry entry = LsEntry.class.cast(object);
				LOGGER.info(entry.getFilename());
			}
		}
	}

	public void ls(String path) throws SftpException {
		Vector<?> vector = sftp.ls(path);
		for (Object object : vector) {
			if (object instanceof LsEntry) {
				LsEntry entry = LsEntry.class.cast(object);
				LOGGER.info(entry.getFilename());
			}
		}
	}

	public void rename(String oldPath, String newPath) throws SftpException {
		sftp.rename(oldPath, newPath);
	}

	public void cp(String src, String dest) throws SftpException {
		int lastSlash = src.lastIndexOf("/");
		String srcFile = src;
		String srcDir = ".";
		if (lastSlash > -1) {
			srcFile = src.substring(lastSlash + 1);
			srcDir = src.substring(0, lastSlash);
		}
		String temp = srcDir + "/temp_" + srcFile;
		rename(src, temp);
		rename(temp, dest)