Examples of com.jcraft.jsch.ChannelExec

com.jcraft.jsch.ChannelExec

        assertTrue(file.exists());
        assertEquals(length, file.length());
    }


    protected String readFile(String path) throws Exception {
        ChannelExec c = (ChannelExec) session.openChannel("exec");
        OutputStream os = c.getOutputStream();
        InputStream is = c.getInputStream();
        c.setCommand("scp -f " + path);
        c.connect();
        String header = readLine(is);
        assertEquals("C0644 11 out.txt", header);
        int length = Integer.parseInt(header.substring(6, header.indexOf(' ', 6)));
        os.write(0);
        os.flush();


        byte[] buffer = new byte[length];
        length = is.read(buffer, 0, buffer.length);
        assertEquals(length, buffer.length);
        assertEquals(0, is.read());
        os.write(0);
        os.flush();


        c.disconnect();
        return new String(buffer);
    }

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        c.disconnect();
        return new String(buffer);
    }


    protected String readDir(String path) throws Exception {
        ChannelExec c = (ChannelExec) session.openChannel("exec");
        OutputStream os = c.getOutputStream();
        InputStream is = c.getInputStream();
        c.setCommand("scp -r -f " + path);
        c.connect();
        String header = readLine(is);
        assertTrue(header.startsWith("D0755 0 "));
        os.write(0);
        os.flush();
        header = readLine(is);
        assertEquals("C0644 11 out.txt", header);
        int length = Integer.parseInt(header.substring(6, header.indexOf(' ', 6)));
        os.write(0);
        os.flush();
        byte[] buffer = new byte[length];
        length = is.read(buffer, 0, buffer.length);
        assertEquals(length, buffer.length);
        assertEquals(0, is.read());
        os.write(0);
        os.flush();
        header = readLine(is);
        assertEquals("E", header);


        c.disconnect();
        return new String(buffer);
    }

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        c.disconnect();
        return new String(buffer);
    }


    protected String readFileError(String path) throws Exception {
        ChannelExec c = (ChannelExec) session.openChannel("exec");
        OutputStream os = c.getOutputStream();
        InputStream is = c.getInputStream();
        c.setCommand("scp -f " + path);
        c.connect();
        assertEquals(2, is.read());
        c.disconnect();
        return null;
    }

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        c.disconnect();
        return null;
    }


    protected void sendFile(String path, String name, String data) throws Exception {
        ChannelExec c = (ChannelExec) session.openChannel("exec");
        c.setCommand("scp -t " + path);
        OutputStream os = c.getOutputStream();
        InputStream is = c.getInputStream();
        c.connect();
        assertEquals(0, is.read());
        os.write(("C7777 "+ data.length() + " " + name + "\n").getBytes());
        os.flush();
        assertEquals(0, is.read());
        os.write(data.getBytes());
        os.flush();
        assertEquals(0, is.read());
        os.write(0);
        os.flush();
        Thread.sleep(100);
        c.disconnect();
    }

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        Thread.sleep(100);
        c.disconnect();
    }


    protected void sendFileError(String path, String name, String data) throws Exception {
        ChannelExec c = (ChannelExec) session.openChannel("exec");
        OutputStream os = c.getOutputStream();
        InputStream is = c.getInputStream();
        c.setCommand("scp -t " + path);
        c.connect();
        assertEquals(0, is.read());
        os.write(("C7777 "+ data.length() + " " + name + "\n").getBytes());
        os.flush();
        assertEquals(2, is.read());
        c.disconnect();
    }

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     */
    public List list(String parent) throws IOException {
        Message.debug("SShRepository:list called: " + parent);
        ArrayList result = new ArrayList();
        Session session = null;
        ChannelExec channel = null;
        session = getSession(parent);
        channel = getExecChannel(session);
        URI parentUri = null;
        try {
            parentUri = new URI(parent);
        } catch (URISyntaxException e) {
            IOException ioe = new IOException("The uri '" + parent + "' is not valid!");
            ioe.initCause(e);
            throw ioe;
        }
        String fullCmd = replaceArgument(listCommand, parentUri.getPath());
        channel.setCommand(fullCmd);
        StringBuffer stdOut = new StringBuffer();
        StringBuffer stdErr = new StringBuffer();
        readSessionOutput(channel, stdOut, stdErr);
        if (channel.getExitStatus() != 0) {
            Message.error("Ssh ListCommand exited with status != 0");
            Message.error(stdErr.toString());
            return null;
        } else {
            BufferedReader br = new BufferedReader(new StringReader(stdOut.toString()));

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     * @param session
     * @return
     * @throws JSchException
     */
    private ChannelExec getExecChannel(Session session) throws IOException {
        ChannelExec channel;
        try {
            channel = (ChannelExec) session.openChannel("exec");
        } catch (JSchException e) {
            throw new IOException();
        }

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     *            to create
     * @param connnection
     *            to use
     */
    private void makePath(String path, Session session) throws IOException {
        ChannelExec channel = null;
        String trimmed = path;
        try {
            while (trimmed.length() > 0 && trimmed.charAt(trimmed.length() - 1) == fileSeparator) {
                trimmed = trimmed.substring(0, trimmed.length() - 1);
            }
            if (trimmed.length() == 0 || checkExistence(trimmed, session)) {
                return;
            }
            int nextSlash = trimmed.lastIndexOf(fileSeparator);
            if (nextSlash > 0) {
                String parent = trimmed.substring(0, nextSlash);
                makePath(parent, session);
            }
            channel = getExecChannel(session);
            String mkdir = replaceArgument(createDirCommand, trimmed);
            Message.debug("SShRepository: trying to create path: " + mkdir);
            channel.setCommand(mkdir);
            StringBuffer stdOut = new StringBuffer();
            StringBuffer stdErr = new StringBuffer();
            readSessionOutput(channel, stdOut, stdErr);
        } finally {
            if (channel != null) {
                channel.disconnect();
            }
        }
    }

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     *            to use
     * @return true: object exists, false otherwise
     */
    private boolean checkExistence(String filePath, Session session) throws IOException {
        Message.debug("SShRepository: checkExistence called: " + filePath);
        ChannelExec channel = null;
        channel = getExecChannel(session);
        String fullCmd = replaceArgument(existCommand, filePath);
        channel.setCommand(fullCmd);
        StringBuffer stdOut = new StringBuffer();
        StringBuffer stdErr = new StringBuffer();
        readSessionOutput(channel, stdOut, stdErr);
        return channel.getExitStatus() == 0;
    }

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    /**
     * @return
     * @throws JSchException
     */
    private ChannelExec getExecChannel() throws JSchException {
        ChannelExec channel;
        channel = (ChannelExec) session.openChannel("exec");
        return channel;
    }

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