FilterDefinitions.java example

Explorer
wildfly-master
/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2017, Red Hat, Inc., and individual contributors
 * as indicated by the @author tags. See the copyright.txt file in the
 * distribution for a full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

package org.wildfly.extension.undertow.filters;

import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.List;

import org.jboss.as.controller.AbstractAddStepHandler;
import org.jboss.as.controller.AttributeDefinition;
import org.jboss.as.controller.PathAddress;
import org.jboss.as.controller.PathElement;
import org.jboss.as.controller.PersistentResourceDefinition;
import org.jboss.as.controller.ReloadRequiredRemoveStepHandler;
import org.jboss.as.controller.registry.AliasEntry;
import org.jboss.as.controller.registry.ManagementResourceRegistration;
import org.wildfly.extension.undertow.Constants;
import org.wildfly.extension.undertow.UndertowExtension;

/**
 * @author Tomaz Cerar (c) 2013 Red Hat Inc.
 */
public class FilterDefinitions extends PersistentResourceDefinition {

    public static final FilterDefinitions INSTANCE = new FilterDefinitions();
    private static List<? extends PersistentResourceDefinition> FILTERS = Collections.unmodifiableList(Arrays.asList(
            RequestLimitHandler.INSTANCE,
            ResponseHeaderFilter.INSTANCE,
            GzipFilter.INSTANCE,
            ErrorPageDefinition.INSTANCE,
            CustomFilterDefinition.INSTANCE,
            ModClusterDefinition.INSTANCE,
            ExpressionFilterDefinition.INSTANCE,
            RewriteFilterDefinition.INSTANCE
    ));

    private FilterDefinitions() {
        super(UndertowExtension.PATH_FILTERS,
                UndertowExtension.getResolver(Constants.FILTER),
                new AbstractAddStepHandler(),
                ReloadRequiredRemoveStepHandler.INSTANCE
        );
    }

    @Override
    public Collection<AttributeDefinition> getAttributes() {
        return Collections.emptySet();
    }

    @Override
    public List<? extends PersistentResourceDefinition> getChildren() {
        return FILTERS;
    }

    @Override
    public void registerChildren(ManagementResourceRegistration resourceRegistration) {
        super.registerChildren(resourceRegistration);

        PathElement targetPe = RequestLimitHandler.INSTANCE.getPathElement();
        AliasEntry aliasEntry = new AliasEntry(resourceRegistration.getSubModel(PathAddress.pathAddress(targetPe))) {
            @Override
            public PathAddress convertToTargetAddress(PathAddress aliasAddress, AliasContext aliasContext) {
                PathElement pe = aliasAddress.getLastElement();

                return aliasAddress.getParent().append(PathElement.pathElement(targetPe.getKey(), pe.getValue()));
            }
        };
        resourceRegistration.registerAlias(PathElement.pathElement("connection-limit"), aliasEntry);
    }
}