List of usage examples for com.google.common.collect Iterators forEnumeration
public static <T> UnmodifiableIterator<T> forEnumeration(final Enumeration<T> enumeration)
From source file:org.diqube.tool.transpose.TransposeImplementation.java
private LoaderColumnInfo loadColInfo(File colInfoFile) throws RuntimeException { Properties prop = new Properties(); try (InputStream is = new FileInputStream(colInfoFile)) { prop.load(new InputStreamReader(is, Charset.forName("UTF-8"))); logger.info("Loading column type info from '{}'", colInfoFile.getAbsolutePath()); Map<String, ColumnType> colTypes = new HashMap<>(); ColumnType defaultColType = ColumnType.LONG; Iterator<Object> it = Iterators.forEnumeration(prop.keys()); while (it.hasNext()) { String colName = (String) it.next(); if ("*".equals(colName)) defaultColType = resolveColumnType(prop.getProperty(colName)); else/*from www . ja va 2 s .co m*/ colTypes.put(colName, resolveColumnType(prop.getProperty(colName))); } LoaderColumnInfo res = new LoaderColumnInfo(defaultColType); for (Entry<String, ColumnType> e : colTypes.entrySet()) res.registerColumnType(e.getKey(), e.getValue()); logger.info("Using column information with default column type '{}' and specific column types: {}", defaultColType, colTypes); return res; } catch (IOException e) { throw new RuntimeException("Could not read Column Info file", e); } }
From source file:net.sourceforge.ganttproject.ResourceTreeTableModel.java
public ResourceNode getNodeForResource(final HumanResource hr) { try {/*from w w w .ja v a 2 s. c o m*/ return (ResourceNode) Iterators.find(Iterators.forEnumeration(root.children()), new Predicate<MutableTreeTableNode>() { @Override public boolean apply(MutableTreeTableNode input) { return input.getUserObject().equals(hr); } }); } catch (NoSuchElementException e) { return null; } }
From source file:com.b2international.snowowl.identity.ldap.LdapIdentityProvider.java
private String findUserDN(final DirContext context, final String username) { Preconditions.checkNotNull(context, "Directory context is null."); Preconditions.checkNotNull(username, "Username is null."); final String userFilterWithUsername = USER_FILTER.replaceAll(UID_PLACEHOLDER, conf.getUserIdProperty()) .replaceAll(USER_NAME_PLACEHOLDER, username); NamingEnumeration<SearchResult> searchResultEnumeration = null; try {//from ww w. j a va2s . c o m searchResultEnumeration = context.search(conf.getBaseDn(), userFilterWithUsername, createSearchControls(1)); final List<SearchResult> searchResults = ImmutableList .copyOf(Iterators.forEnumeration(searchResultEnumeration)); if (searchResults.size() != 1) { return null; } final SearchResult searchResult = Iterables.getOnlyElement(searchResults); return searchResult.getNameInNamespace(); } catch (final NamingException e) { return null; } finally { closeNamingEnumeration(searchResultEnumeration); } }
From source file:com.sector91.wit.server.watchers.AppFolderWatcher.java
Iterable<WebApp> loadWebAppsFromJar(Path pathToJar, ClassLoader parentClassLoader) {
try {//from www . j a v a2s. c om
Log.info(TAG, "Loading WebApps from JAR file " + pathToJar);
final URL jarUrl = pathToJar.toUri().toURL();
final ClassLoader jarClassLoader = new URLClassLoader(new URL[] { jarUrl }, parentClassLoader);
// FIXME: The classloader will also search its parent(s) when searching
// for ServiceLoaders and app.* scripts. If any of these files exist in
// library JARs, this may throw off the entire app-loading system. Some
// method to check for this should be implemented.
// Step 1: Look for WebApps exposed via the ServiceLoader API.
Log.trace(TAG, "Checking for ServiceLoader configuration...");
ServiceLoader<WebApp> loader = ServiceLoader.load(WebApp.class, jarClassLoader);
try {
final Iterator<WebApp> iterator = loader.iterator();
if (iterator.hasNext()) {
Log.debug(TAG, "Found ServiceLoader configuration!");
final List<WebApp> list = new ArrayList<>();
while (iterator.hasNext())
list.add(iterator.next());
return list;
}
} catch (ServiceConfigurationError err) {
Log.error(TAG, "Error in ServiceLoader configuration of JAR file " + pathToJar, err);
return Collections.emptyList();
}
Log.debug(TAG, "No ServiceLoader configuration present.");
// Step 2: Look for an app.* script that can be loaded via JSR-223.
Log.trace(TAG, "Checking for app.* script...");
for (Map.Entry<String, ScriptEngineFactory> entry : Scripting.scriptEngines(jarClassLoader)
.entrySet()) {
final String filename = "app." + entry.getKey();
Log.trace(TAG, "Checking for " + filename + "...");
final Enumeration<URL> resources = jarClassLoader.getResources(filename);
if (resources.hasMoreElements()) {
Log.debug(TAG, "Found app script file: " + filename);
final URL scriptUrl = Iterators.getLast(Iterators.forEnumeration(resources));
final ScriptEngine engine = entry.getValue().getScriptEngine();
final Object result;
try (final Reader reader = new InputStreamReader(scriptUrl.openStream())) {
result = engine.eval(reader);
} catch (Exception ex) {
Log.error(TAG, "Could not load WebApp(s) from JAR file '" + pathToJar
+ "'. Error occurred in script '" + filename + "'.", ex);
return Collections.emptyList();
}
if (result instanceof WebApp) {
return Collections.singletonList((WebApp) result);
} else if (result instanceof Iterable) {
final List<WebApp> apps = new ArrayList<>();
for (Object obj : (Iterable<?>) result) {
if (obj instanceof WebApp) {
apps.add((WebApp) result);
} else {
Log.error(TAG,
"Could not load WebApp(s) from JAR file '" + pathToJar + "'. Script '"
+ filename + "' returned an Iterable containing an object of"
+ " type " + obj.getClass() + " that does not implement WebApp.");
return Collections.emptyList();
}
}
} else {
if (result == null)
Log.error(TAG, "Could not load WebApp(s) from JAR file '" + pathToJar + "'. Script '"
+ filename + "' returned null.");
else
Log.error(TAG,
"Could not load WebApp(s) from JAR file '" + pathToJar + "'. Script '"
+ filename + "' returned an object of type " + result.getClass()
+ " that does not implement WebApp.");
return Collections.emptyList();
}
}
}
Log.debug(TAG, "No supported app.* script present.");
// Step 3: All options have been exhausted. Give up and display an error.
Log.error(TAG, "Could not load WebApp(s) from JAR file '" + pathToJar
+ "'. Did not file any ServiceLoader configuration or supported app.* scripts.");
for (String ext : Scripting.HINT_EXTENSIONS) {
if (jarClassLoader.getResources("app." + ext).hasMoreElements()) {
Log.warn(TAG, "A file named 'app." + ext + "' exists, but could not be loaded. "
+ Scripting.scriptHintMessage(ext, jarClassLoader));
break;
}
}
return Collections.emptyList();
} catch (IOException | RuntimeException ex) {
Log.error(TAG, "Failed to load JAR file " + pathToJar, ex);
return Collections.emptyList();
}
}
From source file:com.google.devtools.build.android.dexer.DexFileMerger.java
private static void processClassAndDexFiles(ZipFile zip, DexFileAggregator out, MergingDexer dexer, Predicate<ZipEntry> extraFilter) throws IOException { @SuppressWarnings("unchecked") // Predicates.and uses varargs parameter with generics ArrayList<? extends ZipEntry> filesToProcess = Lists .newArrayList(Iterators.filter(Iterators.forEnumeration(zip.entries()), Predicates.and(Predicates.not(ZipEntryPredicates.isDirectory()), ZipEntryPredicates.suffixes(".class", ".dex"), extraFilter))); Collections.sort(filesToProcess, ZipEntryComparator.LIKE_DX); for (ZipEntry entry : filesToProcess) { String filename = entry.getName(); try (InputStream content = zip.getInputStream(entry)) { if (filename.endsWith(".dex")) { // We don't want to use the Dex(InputStream) constructor because it closes the stream, // which will break the for loop, and it has its own bespoke way of reading the file into // a byte buffer before effectively calling Dex(byte[]) anyway. out.add(new Dex(ByteStreams.toByteArray(content))); } else if (filename.endsWith(".class")) { dexer.add(Dexing.parseClassFile(ByteStreams.toByteArray(content), filename)); } else { throw new IllegalStateException("Shouldn't get here: " + filename); }/* ww w . ja v a 2s . c o m*/ } } }
From source file:com.github.mike10004.jenkinsbbhook.WebhookHandler.java
protected AppParams loadAppParams() { log.log(Level.FINER, "loading app params; defined: {0}", Iterators.toString(Iterators.forEnumeration(context.getInitParameterNames()))); return new ContextAppParams(new ServletInitParamValueProvider(context)); }
From source file:com.b2international.snowowl.identity.ldap.LdapIdentityProvider.java
@Override public Promise<Users> searchUsers(Collection<String> usernames, int limit) { final ImmutableList.Builder<User> resultBuilder = ImmutableList.builder(); final String baseDn = conf.getBaseDn(); final String uidProp = conf.getUserIdProperty(); InitialLdapContext context = null; NamingEnumeration<SearchResult> searchResultEnumeration = null; try {//w w w . j av a 2s. c o m context = createLdapContext(); Collection<LdapRole> ldapRoles = getAllLdapRoles(context, baseDn); searchResultEnumeration = context.search(baseDn, ALL_USER_QUERY, createSearchControls(ATTRIBUTE_DN, uidProp)); for (final SearchResult searchResult : ImmutableList .copyOf(Iterators.forEnumeration(searchResultEnumeration))) { final Attributes attributes = searchResult.getAttributes(); if (hasAttribute(attributes, uidProp)) { final String userName = (String) attributes.get(uidProp).get(); final List<Role> userRoles = ldapRoles.stream() .filter(role -> role.getUniqueMembers().contains(searchResult.getNameInNamespace())) .map(role -> new Role(role.getName(), role.getPermissions())) .collect(Collectors.toList()); resultBuilder.add(new User(userName, userRoles)); } } final List<User> users = resultBuilder.build().stream() .sorted((u1, u2) -> u1.getUsername().compareTo(u2.getUsername())) .filter(user -> usernames.isEmpty() || usernames.contains(user.getUsername())).limit(limit) .collect(Collectors.toList()); return Promise.immediate(new Users(users, limit, users.size())); } catch (final NamingException e) { throw new SnowowlRuntimeException(e); } finally { closeNamingEnumeration(searchResultEnumeration); closeLdapContext(context); } }
From source file:org.killbill.billing.util.security.shiro.realm.KillBillJndiLdapRealm.java
private String extractGroupNameFromSearchResult(final SearchResult searchResult) { // Get all attributes for that group final Iterator<? extends Attribute> attributesIterator = Iterators .forEnumeration(searchResult.getAttributes().getAll()); // Find the attribute representing the group name final Iterator<? extends Attribute> groupNameAttributesIterator = Iterators.filter(attributesIterator, new Predicate<Attribute>() { @Override/* w ww . j ava 2s .com*/ public boolean apply(final Attribute attribute) { return groupNameId.equalsIgnoreCase(attribute.getID()); } }); // Extract the group name from the attribute // Note: at this point, groupNameAttributesIterator should really contain a single element final Iterator<String> groupNamesIterator = Iterators.transform(groupNameAttributesIterator, new Function<Attribute, String>() { @Override public String apply(final Attribute groupNameAttribute) { try { final NamingEnumeration<?> enumeration = groupNameAttribute.getAll(); if (enumeration.hasMore()) { return enumeration.next().toString(); } else { return null; } } catch (NamingException namingException) { log.warn("Unable to read group name", namingException); return null; } } }); final Iterator<String> finalGroupNamesIterator = Iterators.<String>filter(groupNamesIterator, Predicates.notNull()); if (finalGroupNamesIterator.hasNext()) { return finalGroupNamesIterator.next(); } else { log.warn("Unable to find an attribute matching {}", groupNameId); return null; } }
From source file:com.google.reducisaurus.servlets.BaseServlet.java
private Collection<String> getSortedParameterNames(HttpServletRequest req) { // We want a deterministic order so that dependencies can span input files. // We don't trust the servlet container to return query parameters in any // order, so we impose our own ordering. In this case, we use natural String // ordering./*from w w w . ja v a2s. c o m*/ List<String> list = Lists .newArrayList(Iterators.forEnumeration((Enumeration<String>) req.getParameterNames())); // Some parameter names should be ignored. Iterable<String> filtered = Collections2.filter(list, new Predicate<String>() { @Override public boolean apply(@Nullable String s) { return !(s.contains("_") || s.contains("-")); } }); return Ordering.natural().sortedCopy(filtered); }
From source file:com.rainycape.reducer.servlets.BaseServlet.java
private Collection<String> getSortedParameterNames(HttpServletRequest req) { // We want a deterministic order so that dependencies can span input files. // We don't trust the servlet container to return query parameters in any // order, so we impose our own ordering. In this case, we use natural String // ordering.// w ww . j a va 2s. c o m @SuppressWarnings("unchecked") List<String> list = Lists .newArrayList(Iterators.forEnumeration((Enumeration<String>) req.getParameterNames())); // Some parameter names should be ignored. Iterable<String> filtered = Collections2.filter(list, new Predicate<String>() { @Override public boolean apply(@Nullable String s) { return !(s.contains("_") || s.contains("-")); } }); return Ordering.natural().sortedCopy(filtered); }