public XsltUriResolver(CamelContext context, String location) {
this.context = context;
this.location = location;
if (ResourceHelper.hasScheme(location)) {
baseScheme = ResourceHelper.getScheme(location);
} else {
// default to use classpath
baseScheme = "classpath:";
}
}
@Override
public Source resolve(String href, String base) throws TransformerException {
// supports the empty href
if (ObjectHelper.isEmpty(href)) {
href = location;
}
if (ObjectHelper.isEmpty(href)) {
throw new TransformerException("include href is empty");
}
LOG.trace("Resolving URI with href: {} and base: {}", href, base);
String scheme = ResourceHelper.getScheme(href);
if (scheme != null) {
// need to compact paths for file/classpath as it can be relative paths using .. to go
// backwards
if ("file:".equals(scheme)) {
// compact path use file OS separator
href = FileUtil.compactPath(href);
} else if ("classpath:".equals(scheme)) {
// for classpath always use /
href = FileUtil.compactPath(href, '/');
}
LOG.debug("Resolving URI from {}: {}", scheme, href);
InputStream is;
try {
is = ResourceHelper.resolveMandatoryResourceAsInputStream(context, href);
} catch (IOException e) {
throw new TransformerException(e);
}
return new StreamSource(is);
}
// if href and location is the same, then its the initial resolve
if (href.equals(location)) {
String path = baseScheme + href;
return resolve(path, base);
}
// okay then its relative to the starting location from the XSLT component
String path = FileUtil.onlyPath(location);
if (ObjectHelper.isEmpty(path)) {
path = baseScheme + href;
return resolve(path, base);
} else {
if (ResourceHelper.hasScheme(path)) {
path = path + "/" + href;
} else {
path = baseScheme + path + "/" + href;
}
return resolve(path, base);
}
}
/**
* Copied from CamelBlueprintHelper since there it is also a private method.
*
* <p>Gets the bundle descriptors as {@link URL} resources.
*
* @param descriptors the bundle descriptors, can be separated by comma
* @return the bundle descriptors.
* @throws FileNotFoundException is thrown if a bundle descriptor cannot be found
*/
private static Collection<URL> getBlueprintDescriptors(String descriptors)
throws FileNotFoundException, MalformedURLException {
List<URL> answer = new ArrayList<URL>();
String descriptor = descriptors;
if (descriptor != null) {
// there may be more resources separated by comma
Iterator<Object> it = ObjectHelper.createIterator(descriptor);
while (it.hasNext()) {
String s = (String) it.next();
LOG.trace("Resource descriptor: {}", s);
// remove leading / to be able to load resource from the classpath
s = FileUtil.stripLeadingSeparator(s);
// if there is wildcards for *.xml then we need to find the urls from the package
if (s.endsWith("*.xml")) {
String packageName = s.substring(0, s.length() - 5);
// remove trailing / to be able to load resource from the classpath
Enumeration<URL> urls = ObjectHelper.loadResourcesAsURL(packageName);
while (urls.hasMoreElements()) {
URL url = urls.nextElement();
File dir = new File(url.getFile());
if (dir.isDirectory()) {
File[] files = dir.listFiles();
if (files != null) {
for (File file : files) {
if (file.isFile() && file.exists() && file.getName().endsWith(".xml")) {
String name = packageName + file.getName();
LOG.debug("Resolving resource: {}", name);
URL xmlUrl = ObjectHelper.loadResourceAsURL(name);
if (xmlUrl != null) {
answer.add(xmlUrl);
}
}
}
}
}
}
} else {
LOG.debug("Resolving resource: {}", s);
URL url = ResourceHelper.resolveMandatoryResourceAsUrl(RESOLVER, s);
if (url == null) {
throw new FileNotFoundException("Resource " + s + " not found");
}
answer.add(url);
}
}
} else {
throw new IllegalArgumentException(
"No bundle descriptor configured. Override getBlueprintDescriptor() or getBlueprintDescriptors() method");
}
if (answer.isEmpty()) {
throw new IllegalArgumentException(
"Cannot find any resources in classpath from descriptor " + descriptors);
}
return answer;
}
@Override
public InputStream getByteStream() {
try {
return ResourceHelper.resolveMandatoryResourceAsInputStream(
camelContext.getClassResolver(), uri);
} catch (IOException e) {
throw ObjectHelper.wrapRuntimeCamelException(e);
}
}
/**
* Resolves the script.
*
* @param script script or uri for a script to load
* @return the script
* @throws IOException is thrown if error loading the script
*/
protected String resolveScript(String script) throws IOException {
String answer;
if (ResourceHelper.hasScheme(script)) {
InputStream is = loadResource(script);
answer = currentExchange.get().getContext().getTypeConverter().convertTo(String.class, is);
IOHelper.close(is);
} else {
answer = script;
}
return answer;
}
private String getInputUri() {
// find the xsd with relative path
if (ObjectHelper.isNotEmpty(relatedURI)) {
try {
ResourceHelper.resolveMandatoryResourceAsInputStream(
camelContext.getClassResolver(), relatedURI);
return relatedURI;
} catch (IOException e) {
// ignore the exception
}
}
// don't use the relative path
return getUri(systemId);
}
@Override
protected void doStart() throws Exception {
super.doStart();
if (cacheManagerFactory == null) {
InputStream is = null;
if (configurationFile != null) {
is =
ResourceHelper.resolveMandatoryResourceAsInputStream(
getCamelContext().getClassResolver(), configurationFile);
}
cacheManagerFactory = new DefaultCacheManagerFactory(is, configurationFile);
}
ServiceHelper.startService(cacheManagerFactory);
}
protected Parser createFixedParser(String resourceUri, Reader bodyReader) throws IOException {
InputStream is =
ResourceHelper.resolveMandatoryResourceAsInputStream(
getCamelContext().getClassResolver(), resourceUri);
InputStreamReader reader = new InputStreamReader(is);
Parser parser = getParserFactory().newFixedLengthParser(reader, bodyReader);
if (allowShortLines) {
parser.setHandlingShortLines(true);
parser.setIgnoreParseWarnings(true);
}
if (ignoreExtraColumns) {
parser.setIgnoreExtraColumns(true);
parser.setIgnoreParseWarnings(true);
}
return parser;
}
public Parser createDelimitedParser(Exchange exchange)
throws InvalidPayloadException, IOException {
Reader bodyReader = exchange.getIn().getMandatoryBody(Reader.class);
if (ObjectHelper.isEmpty(getResourceUri())) {
return getParserFactory().newDelimitedParser(bodyReader, delimiter, textQualifier);
} else {
InputStream is =
ResourceHelper.resolveMandatoryResourceAsInputStream(
getCamelContext().getClassResolver(), resourceUri);
InputStreamReader reader = new InputStreamReader(is, IOHelper.getCharsetName(exchange));
Parser parser =
getParserFactory()
.newDelimitedParser(reader, bodyReader, delimiter, textQualifier, ignoreFirstRecord);
if (isAllowShortLines()) {
parser.setHandlingShortLines(true);
parser.setIgnoreParseWarnings(true);
}
if (isIgnoreExtraColumns()) {
parser.setIgnoreExtraColumns(true);
parser.setIgnoreParseWarnings(true);
}
return parser;
}
}
protected Session createSession(final RemoteFileConfiguration configuration)
throws JSchException {
final JSch jsch = new JSch();
JSch.setLogger(new JSchLogger());
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().getClassResolver(), 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 knownhosts uri: {}", sftpConfig.getKnownHostsUri());
try {
InputStream is =
ResourceHelper.resolveMandatoryResourceAsInputStream(
endpoint.getCamelContext().getClassResolver(), sftpConfig.getKnownHostsUri());
jsch.setKnownHosts(is);
} catch (IOException e) {
throw new JSchException("Cannot read resource: " + sftpConfig.getKnownHostsUri(), e);
}
}
if (sftpConfig.getKnownHosts() != null) {
LOG.debug("Using knownhosts information from byte array");
jsch.setKnownHosts(new ByteArrayInputStream(sftpConfig.getKnownHosts()));
}
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", "[email protected],zlib,none");
session.setConfig("compression.c2s", "[email protected],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;
}
/**
* Loads the given resource.
*
* @param uri uri of the resource.
* @return the loaded resource
* @throws IOException is thrown if resource is not found or cannot be loaded
*/
protected InputStream loadResource(String uri) throws IOException {
return ResourceHelper.resolveMandatoryResourceAsInputStream(
currentExchange.get().getContext(), uri);
}
