@Override public Enumeration<String> getInitParameterNames() { return Collections.emptyEnumeration(); } };
public Enumeration<Permission> elements() { return Collections.emptyEnumeration(); }
@Override public Enumeration<URL> findResources(String name) throws IOException { return Collections.emptyEnumeration(); }
/** * Finds an enumeration of URLs for the resource with the specified name. * This implementation just returns an empty {@code Enumeration}; it should * be overridden in subclasses. * * @param resName * the name of the resource to find. * @return an enumeration of {@code URL} objects for the requested resource. * @throws IOException * if an I/O error occurs. */ @SuppressWarnings( { "unchecked", "unused" }) protected Enumeration<URL> findResources(String resName) throws IOException { return Collections.emptyEnumeration(); }
/** * Returns an enumeration of the dependencies of this target. * * @return an enumeration of the dependencies of this target (enumeration of String) */ public Enumeration<String> getDependencies() { return dependencies == null ? Collections.emptyEnumeration() : Collections.enumeration(dependencies); }
/** * Returns an enumeration of all child wrappers. * @return an enumeration of the child wrappers. * @since Ant 1.6 */ public synchronized Enumeration<RuntimeConfigurable> getChildren() { return (children == null) ? Collections.emptyEnumeration() : Collections.enumeration(children); }
@Override public Enumeration<URL> getResources(String name) throws IOException { if (isMasked(name)) return Collections.emptyEnumeration(); return super.getResources(name); }
@Override public Enumeration<String> getAttributeNamesInScope(int scope) { switch (scope) { case PAGE_SCOPE: return getAttributeNames(); case REQUEST_SCOPE: return this.request.getAttributeNames(); case SESSION_SCOPE: HttpSession session = this.request.getSession(false); return (session != null ? session.getAttributeNames() : Collections.emptyEnumeration()); case APPLICATION_SCOPE: return this.servletContext.getAttributeNames(); default: throw new IllegalArgumentException("Invalid scope: " + scope); } }
@Override public Enumeration<String> getInitParameterNames() { final Map<String, String> params = WebXmlUtils.getFilterInitParams( webXmlDoc, filterName ); if ( params == null || params.isEmpty() ) { return Collections.emptyEnumeration(); } return Collections.enumeration( params.keySet() ); } } );
public Enumeration<Permission> elements() { return added ? Collections.enumeration(getSingletonCollection()) : Collections.emptyEnumeration(); }
@Override public Enumeration<String> getAttributeNamesInScope(int scope) { switch (scope) { case PAGE_SCOPE: return getAttributeNames(); case REQUEST_SCOPE: return this.request.getAttributeNames(); case SESSION_SCOPE: HttpSession session = this.request.getSession(false); return (session != null ? session.getAttributeNames() : Collections.emptyEnumeration()); case APPLICATION_SCOPE: return this.servletContext.getAttributeNames(); default: throw new IllegalArgumentException("Invalid scope: " + scope); } }
@Override public Enumeration<String> getHeaders(String name) { for (Map.Entry<String, Collection<String>> entry : headers.asMap().entrySet()) { if (entry.getKey().equalsIgnoreCase(name)) { return enumeration(entry.getValue()); } } return emptyEnumeration(); }
base = Collections.emptyEnumeration();
@Override public Enumeration<String> getInitParameterNames() { return Collections.emptyEnumeration(); } }
} else { keyStore.load(null, null); enumeration = Collections.emptyEnumeration();
@Override public Enumeration<String> getKeys() { return Collections.emptyEnumeration(); }
assertFalse(immutability.test(new AtomicLong())); assertTrue(immutability.test(null)); assertTrue(immutability.test(Collections.emptyEnumeration())); assertTrue(immutability.test(Collections.emptyIterator())); assertTrue(immutability.test(Collections.emptyList()));
@Override public Enumeration<String> getHeaders(String name) { List<String> headerValues = httpHeaders.get(name); if (headerValues == null || headerValues.isEmpty()) { return Collections.emptyEnumeration(); } return Collections.enumeration(headerValues); }
@Override public Enumeration<String> getHeaderNames() { if (request.getMultiValueHeaders() == null) { return Collections.emptyEnumeration(); } return Collections.enumeration(request.getMultiValueHeaders().keySet()); }
@Override public Enumeration<String> getHeaders(String s) { if (request.getMultiValueHeaders() == null || request.getMultiValueHeaders().get(s) == null) { return Collections.emptyEnumeration(); } return Collections.enumeration(request.getMultiValueHeaders().get(s)); }