Example usage for com.google.common.collect Iterators asEnumeration

Introduction

In this page you can find the example usage for com.google.common.collect Iterators asEnumeration.

Prototype

public static <T> Enumeration<T> asEnumeration(final Iterator<T> iterator)

Source Link

Document

Adapts an Iterator to the Enumeration interface.

Usage

From source file:org.apache.jackrabbit.oak.security.user.AbstractGroupPrincipal.java

@Override
public Enumeration<? extends Principal> members() {
    final Iterator<Authorizable> members;
    try {/*  ww  w  . j  a  v a2  s.  c  o m*/
        members = getMembers();
    } catch (RepositoryException e) {
        // should not occur.
        String msg = "Unable to retrieve Group members: " + e.getMessage();
        log.error(msg);
        throw new IllegalStateException(msg, e);
    }

    Iterator<Principal> principals = Iterators.transform(members, new Function<Authorizable, Principal>() {
        @Override
        public Principal apply(Authorizable authorizable) {
            if (authorizable == null) {
                return null;
            }
            try {
                return authorizable.getPrincipal();
            } catch (RepositoryException e) {
                String msg = "Internal error while retrieving principal: " + e.getMessage();
                log.error(msg);
                throw new IllegalStateException(msg, e);
            }
        }
    });
    return Iterators.asEnumeration(Iterators.filter(principals, Predicates.<Object>notNull()));
}

From source file:org.jglue.cdiunit.DummyHttpRequest.java

@Override
public Enumeration<String> getParameterNames() {

    return Iterators.asEnumeration(_parameters.keySet().iterator());
}

From source file:com.google.gdt.eclipse.designer.hosted.classloader.GWTSharedClassLoader.java

@Override
public Enumeration<URL> findResources(String name) throws IOException {
    final Enumeration<URL> superResources = super.findResources(name);
    final Enumeration<URL> moduleResources = stateTL.get().activeLoader.getResources(name);
    Iterator<URL> allResources = Iterators.concat(Iterators.forEnumeration(superResources),
            Iterators.forEnumeration(moduleResources));
    return Iterators.asEnumeration(allResources);
}

From source file:com.google.inject.servlet.FilterDefinition.java

public void init(final ServletContext servletContext, Injector injector, Set<Filter> initializedSoFar)
        throws ServletException {

    // This absolutely must be a singleton, and so is only initialized once.
    if (!Scopes.isSingleton(injector.getBinding(filterKey))) {
        throw new ServletException(
                "Filters must be bound as singletons. " + filterKey + " was not bound in singleton scope.");
    }//from w w  w.  j ava  2s.  co m

    Filter filter = injector.getInstance(filterKey);
    this.filter.set(filter);

    // Only fire init() if this Singleton filter has not already appeared earlier
    // in the filter chain.
    if (initializedSoFar.contains(filter)) {
        return;
    }

    //initialize our filter with the configured context params and servlet context
    filter.init(new FilterConfig() {
        public String getFilterName() {
            return filterKey.toString();
        }

        public ServletContext getServletContext() {
            return servletContext;
        }

        public String getInitParameter(String s) {
            return initParams.get(s);
        }

        public Enumeration getInitParameterNames() {
            return Iterators.asEnumeration(initParams.keySet().iterator());
        }
    });

    initializedSoFar.add(filter);
}

From source file:com.leacox.dagger.servlet.ServletDefinition.java

public void init(final ServletContext servletContext, ObjectGraph objectGraph,
        Set<HttpServlet> initializedSoFar) throws ServletException {
    // This absolutely must be a singleton, and so is only initialized once.
    // TODO: There isn't a good way to make sure the class is a singleton. Classes with the @Singleton annotation
    // can be identified, but classes that are singletons via an @Singleton annotated @Provides method won't
    // be identified as singletons. Bad stuff may happen for non-singletons.
    //        if (!Scopes.isSingleton(servletClass)) {
    //            throw new ServletException("Servlets must be bound as singletons. "
    //                    + servletClass + " was not bound in singleton scope.");
    //        }/*from   w ww. j av  a2s .co m*/

    HttpServlet httpServlet;
    if (servletInstance == null) {
        httpServlet = objectGraph.get(servletClass);
    } else {
        httpServlet = servletInstance;
    }
    this.httpServlet.set(httpServlet);

    if (initializedSoFar.contains(httpServlet)) {
        return;
    }

    // Initialize our servlet with the configured context params and servlet context.
    httpServlet.init(new ServletConfig() {
        @Override
        public String getServletName() {
            return servletClass.getCanonicalName();
        }

        @Override
        public ServletContext getServletContext() {
            return servletContext;
        }

        @Override
        public String getInitParameter(String name) {
            return initParams.get(name);
        }

        @Override
        public Enumeration<String> getInitParameterNames() {
            return Iterators.asEnumeration(initParams.keySet().iterator());
        }
    });

    // Mark as initialized.
    initializedSoFar.add(httpServlet);
}

From source file:org.opencms.i18n.CmsVfsResourceBundle.java

/**
 * @see java.util.ResourceBundle#getKeys()
 */// www. j a v  a 2  s. c  o m
@Override
public Enumeration<String> getKeys() {

    Iterator<String> myKeyIter = handleKeySet().iterator();
    Iterator<String> result = myKeyIter;
    if (parent != null) {
        Iterator<String> parentKeyIter = Iterators.forEnumeration(parent.getKeys());
        result = Iterators.concat(myKeyIter, parentKeyIter);
    }
    return Iterators.asEnumeration(result);
}

From source file:com.google.inject.servlet.ServletDefinition.java

public void init(final ServletContext servletContext, Injector injector, Set<HttpServlet> initializedSoFar)
        throws ServletException {

    // This absolutely must be a singleton, and so is only initialized once.
    if (!Scopes.isSingleton(injector.getBinding(servletKey))) {
        throw new ServletException(
                "Servlets must be bound as singletons. " + servletKey + " was not bound in singleton scope.");
    }//from w  w  w.ja v  a 2 s .c  om

    HttpServlet httpServlet = injector.getInstance(servletKey);
    this.httpServlet.set(httpServlet);

    // Only fire init() if we have not appeared before in the filter chain.
    if (initializedSoFar.contains(httpServlet)) {
        return;
    }

    //initialize our servlet with the configured context params and servlet context
    httpServlet.init(new ServletConfig() {
        public String getServletName() {
            return servletKey.toString();
        }

        public ServletContext getServletContext() {
            return servletContext;
        }

        public String getInitParameter(String s) {
            return initParams.get(s);
        }

        public Enumeration getInitParameterNames() {
            return Iterators.asEnumeration(initParams.keySet().iterator());
        }
    });

    // Mark as initialized.
    initializedSoFar.add(httpServlet);
}

From source file:org.eclipse.wb.internal.core.utils.reflect.CompositeClassLoader.java

@Override
protected Enumeration<URL> findResources(String name) throws IOException {
    Set<URL> allResources = Sets.newHashSet();
    for (ClassLoader classLoader : m_classLoaders) {
        Enumeration<URL> resources = classLoader.getResources(name);
        CollectionUtils.addAll(allResources, resources);
    }//from   w  w  w.  j  a v a  2  s.  c  om
    return Iterators.asEnumeration(allResources.iterator());
}

From source file:com.nesscomputing.tracking.MockedHttpServletRequest.java

@Override
public Enumeration<Locale> getLocales() {
    return Iterators.asEnumeration(ImmutableSet.of(getLocale()).iterator());
}

From source file:com.mattc.argus2.io.ListFile.java

@Override
public Enumeration<String> getAsEnumeration() {
    final Set<String> cpy = Sets.newHashSet(this.items);
    return Iterators.asEnumeration(cpy.iterator());
}