Examples with IOException java.io.IOException used on opensource projects

Example 21 with IOException

use of java.io.IOException in project camel by apache.

the class SftpOperations method createSession.

protected Session createSession(final RemoteFileConfiguration configuration) throws JSchException {
    final JSch jsch = new JSch();
    JSch.setLogger(new JSchLogger(endpoint.getConfiguration().getJschLoggingLevel()));
    SftpConfiguration sftpConfig = (SftpConfiguration) configuration;
    if (isNotEmpty(sftpConfig.getCiphers())) {
        LOG.debug("Using ciphers: {}", sftpConfig.getCiphers());
        Hashtable<String, String> ciphers = new Hashtable<String, String>();
        ciphers.put("cipher.s2c", sftpConfig.getCiphers());
        ciphers.put("cipher.c2s", sftpConfig.getCiphers());
        JSch.setConfig(ciphers);
    }
    if (isNotEmpty(sftpConfig.getPrivateKeyFile())) {
        LOG.debug("Using private keyfile: {}", sftpConfig.getPrivateKeyFile());
        if (isNotEmpty(sftpConfig.getPrivateKeyPassphrase())) {
            jsch.addIdentity(sftpConfig.getPrivateKeyFile(), sftpConfig.getPrivateKeyPassphrase());
        } else {
            jsch.addIdentity(sftpConfig.getPrivateKeyFile());
        }
    }
    if (sftpConfig.getPrivateKey() != null) {
        LOG.debug("Using private key information from byte array");
        byte[] passphrase = null;
        if (isNotEmpty(sftpConfig.getPrivateKeyPassphrase())) {
            try {
                passphrase = sftpConfig.getPrivateKeyPassphrase().getBytes("UTF-8");
            } catch (UnsupportedEncodingException e) {
                throw new JSchException("Cannot transform passphrase to byte[]", e);
            }
        }
        jsch.addIdentity("ID", sftpConfig.getPrivateKey(), null, passphrase);
    }
    if (sftpConfig.getPrivateKeyUri() != null) {
        LOG.debug("Using private key uri : {}", sftpConfig.getPrivateKeyUri());
        byte[] passphrase = null;
        if (isNotEmpty(sftpConfig.getPrivateKeyPassphrase())) {
            try {
                passphrase = sftpConfig.getPrivateKeyPassphrase().getBytes("UTF-8");
            } catch (UnsupportedEncodingException e) {
                throw new JSchException("Cannot transform passphrase to byte[]", e);
            }
        }
        try {
            InputStream is = ResourceHelper.resolveMandatoryResourceAsInputStream(endpoint.getCamelContext(), sftpConfig.getPrivateKeyUri());
            ByteArrayOutputStream bos = new ByteArrayOutputStream();
            IOHelper.copyAndCloseInput(is, bos);
            jsch.addIdentity("ID", bos.toByteArray(), null, passphrase);
        } catch (IOException e) {
            throw new JSchException("Cannot read resource: " + sftpConfig.getPrivateKeyUri(), e);
        }
    }
    if (sftpConfig.getKeyPair() != null) {
        LOG.debug("Using private key information from key pair");
        KeyPair keyPair = sftpConfig.getKeyPair();
        if (keyPair.getPrivate() != null && keyPair.getPublic() != null) {
            if (keyPair.getPrivate() instanceof RSAPrivateKey && keyPair.getPublic() instanceof RSAPublicKey) {
                jsch.addIdentity(new RSAKeyPairIdentity("ID", keyPair), null);
            } else if (keyPair.getPrivate() instanceof DSAPrivateKey && keyPair.getPublic() instanceof DSAPublicKey) {
                jsch.addIdentity(new DSAKeyPairIdentity("ID", keyPair), null);
            } else {
                LOG.warn("Only RSA and DSA key pairs are supported");
            }
        } else {
            LOG.warn("PrivateKey and PublicKey in the KeyPair must be filled");
        }
    }
    if (isNotEmpty(sftpConfig.getKnownHostsFile())) {
        LOG.debug("Using knownhosts file: {}", sftpConfig.getKnownHostsFile());
        jsch.setKnownHosts(sftpConfig.getKnownHostsFile());
    }
    if (isNotEmpty(sftpConfig.getKnownHostsUri())) {
        LOG.debug("Using known hosts uri: {}", sftpConfig.getKnownHostsUri());
        try {
            InputStream is = ResourceHelper.resolveMandatoryResourceAsInputStream(endpoint.getCamelContext(), sftpConfig.getKnownHostsUri());
            jsch.setKnownHosts(is);
        } catch (IOException e) {
            throw new JSchException("Cannot read resource: " + sftpConfig.getKnownHostsUri(), e);
        }
    }
    if (sftpConfig.getKnownHosts() != null) {
        LOG.debug("Using known hosts information from byte array");
        jsch.setKnownHosts(new ByteArrayInputStream(sftpConfig.getKnownHosts()));
    }
    String knownHostsFile = sftpConfig.getKnownHostsFile();
    if (knownHostsFile == null && sftpConfig.isUseUserKnownHostsFile()) {
        knownHostsFile = System.getProperty("user.home") + "/.ssh/known_hosts";
        LOG.info("Known host file not configured, using user known host file: {}", knownHostsFile);
    }
    if (ObjectHelper.isNotEmpty(knownHostsFile)) {
        LOG.debug("Using known hosts information from file: {}", knownHostsFile);
        jsch.setKnownHosts(knownHostsFile);
    }
    final Session session = jsch.getSession(configuration.getUsername(), configuration.getHost(), configuration.getPort());
    if (isNotEmpty(sftpConfig.getStrictHostKeyChecking())) {
        LOG.debug("Using StrickHostKeyChecking: {}", sftpConfig.getStrictHostKeyChecking());
        session.setConfig("StrictHostKeyChecking", sftpConfig.getStrictHostKeyChecking());
    }
    session.setServerAliveInterval(sftpConfig.getServerAliveInterval());
    session.setServerAliveCountMax(sftpConfig.getServerAliveCountMax());
    // compression
    if (sftpConfig.getCompression() > 0) {
        LOG.debug("Using compression: {}", sftpConfig.getCompression());
        session.setConfig("compression.s2c", "zlib@openssh.com,zlib,none");
        session.setConfig("compression.c2s", "zlib@openssh.com,zlib,none");
        session.setConfig("compression_level", Integer.toString(sftpConfig.getCompression()));
    }
    // set the PreferredAuthentications 
    if (sftpConfig.getPreferredAuthentications() != null) {
        LOG.debug("Using PreferredAuthentications: {}", sftpConfig.getPreferredAuthentications());
        session.setConfig("PreferredAuthentications", sftpConfig.getPreferredAuthentications());
    }
    // set user information
    session.setUserInfo(new ExtendedUserInfo() {

        public String getPassphrase() {
            return null;
        }

        public String getPassword() {
            return configuration.getPassword();
        }

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

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

        public boolean promptYesNo(String s) {
            LOG.warn("Server asks for confirmation (yes|no): " + s + ". Camel will answer no.");
            // Return 'false' indicating modification of the hosts file is disabled.
            return false;
        }

        public void showMessage(String s) {
            LOG.trace("Message received from Server: " + s);
        }

        public String[] promptKeyboardInteractive(String destination, String name, String instruction, String[] prompt, boolean[] echo) {
            // must return an empty array if password is null
            if (configuration.getPassword() == null) {
                return new String[0];
            } else {
                return new String[] { configuration.getPassword() };
            }
        }
    });
    // set the SO_TIMEOUT for the time after the connect phase
    if (configuration.getSoTimeout() > 0) {
        session.setTimeout(configuration.getSoTimeout());
    }
    // set proxy if configured
    if (proxy != null) {
        session.setProxy(proxy);
    }
    return session;
}

Example 22 with IOException

use of java.io.IOException in project camel by apache.

the class FtpOperations method doChangeDirectory.

private void doChangeDirectory(String path) {
    if (path == null || ".".equals(path) || ObjectHelper.isEmpty(path)) {
        return;
    }
    log.trace("Changing directory: {}", path);
    boolean success;
    try {
        if ("..".equals(path)) {
            changeToParentDirectory();
            success = true;
        } else {
            success = client.changeWorkingDirectory(path);
        }
    } catch (IOException e) {
        throw new GenericFileOperationFailedException(client.getReplyCode(), client.getReplyString(), e.getMessage(), e);
    }
    if (!success) {
        throw new GenericFileOperationFailedException(client.getReplyCode(), client.getReplyString(), "Cannot change directory to: " + path);
    }
}

Example 23 with IOException

use of java.io.IOException in project camel by apache.

the class FtpOperations method doStoreFile.

private boolean doStoreFile(String name, String targetName, Exchange exchange) throws GenericFileOperationFailedException {
    log.trace("doStoreFile({})", targetName);
    // if an existing file already exists what should we do?
    if (endpoint.getFileExist() == GenericFileExist.Ignore || endpoint.getFileExist() == GenericFileExist.Fail || endpoint.getFileExist() == GenericFileExist.Move) {
        boolean existFile = existsFile(targetName);
        if (existFile && endpoint.getFileExist() == GenericFileExist.Ignore) {
            // ignore but indicate that the file was written
            log.trace("An existing file already exists: {}. Ignore and do not override it.", name);
            return true;
        } else if (existFile && endpoint.getFileExist() == GenericFileExist.Fail) {
            throw new GenericFileOperationFailedException("File already exist: " + name + ". Cannot write new file.");
        } else if (existFile && endpoint.getFileExist() == GenericFileExist.Move) {
            // move any existing file first
            doMoveExistingFile(name, targetName);
        }
    }
    InputStream is = null;
    if (exchange.getIn().getBody() == null) {
        // Do an explicit test for a null body and decide what to do
        if (endpoint.isAllowNullBody()) {
            log.trace("Writing empty file.");
            is = new ByteArrayInputStream(new byte[] {});
        } else {
            throw new GenericFileOperationFailedException("Cannot write null body to file: " + name);
        }
    }
    try {
        if (is == null) {
            String charset = endpoint.getCharset();
            if (charset != null) {
                // charset configured so we must convert to the desired
                // charset so we can write with encoding
                is = new ByteArrayInputStream(exchange.getIn().getMandatoryBody(String.class).getBytes(charset));
                log.trace("Using InputStream {} with charset {}.", is, charset);
            } else {
                is = exchange.getIn().getMandatoryBody(InputStream.class);
            }
        }
        final StopWatch watch = new StopWatch();
        boolean answer;
        log.debug("About to store file: {} using stream: {}", targetName, is);
        if (endpoint.getFileExist() == GenericFileExist.Append) {
            log.trace("Client appendFile: {}", targetName);
            answer = client.appendFile(targetName, is);
        } else {
            log.trace("Client storeFile: {}", targetName);
            answer = client.storeFile(targetName, is);
        }
        watch.stop();
        if (log.isDebugEnabled()) {
            log.debug("Took {} ({} millis) to store file: {} and FTP client returned: {}", new Object[] { TimeUtils.printDuration(watch.taken()), watch.taken(), targetName, answer });
        }
        // store client reply information after the operation
        exchange.getIn().setHeader(FtpConstants.FTP_REPLY_CODE, client.getReplyCode());
        exchange.getIn().setHeader(FtpConstants.FTP_REPLY_STRING, client.getReplyString());
        // after storing file, we may set chmod on the file
        String chmod = ((FtpConfiguration) endpoint.getConfiguration()).getChmod();
        if (ObjectHelper.isNotEmpty(chmod)) {
            log.debug("Setting chmod: {} on file: {}", chmod, targetName);
            String command = "chmod " + chmod + " " + targetName;
            log.trace("Client sendSiteCommand: {}", command);
            boolean success = client.sendSiteCommand(command);
            log.trace("Client sendSiteCommand successful: {}", success);
        }
        return answer;
    } catch (IOException e) {
        throw new GenericFileOperationFailedException(client.getReplyCode(), client.getReplyString(), e.getMessage(), e);
    } catch (InvalidPayloadException e) {
        throw new GenericFileOperationFailedException("Cannot store file: " + name, e);
    } finally {
        IOHelper.close(is, "store: " + name, log);
    }
}

Example 24 with IOException

use of java.io.IOException in project camel by apache.

the class FlinkProducerTest method shouldExecuteVoidDataStreamCallback.

@Test
public void shouldExecuteVoidDataStreamCallback() throws IOException {
    final File output = File.createTempFile("camel", "flink");
    output.delete();
    template.sendBodyAndHeader(flinkDataStreamUri, null, FlinkConstants.FLINK_DATASTREAM_CALLBACK_HEADER, new VoidDataStreamCallback() {

        @Override
        public void doOnDataStream(DataStream ds, Object... payloads) throws Exception {
            ds.writeAsText(output.getAbsolutePath());
        }
    });
    Truth.assertThat(output.length()).isAtLeast(0L);
}

Example 25 with IOException

use of java.io.IOException in project camel by apache.

the class DefaultPropertiesResolver method loadPropertiesFromRegistry.

@SuppressWarnings({ "rawtypes", "unchecked" })
protected Properties loadPropertiesFromRegistry(CamelContext context, boolean ignoreMissingLocation, PropertiesLocation location) throws IOException {
    String path = location.getPath();
    Properties answer;
    try {
        answer = context.getRegistry().lookupByNameAndType(path, Properties.class);
    } catch (Exception ex) {
        // just look up the Map as a fault back
        Map map = context.getRegistry().lookupByNameAndType(path, Map.class);
        answer = new Properties();
        answer.putAll(map);
    }
    if (answer == null && (!ignoreMissingLocation && !location.isOptional())) {
        throw new FileNotFoundException("Properties " + path + " not found in registry");
    }
    return answer != null ? answer : new Properties();
}