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This artifact provides a single jar that contains all classes required to use remote EJB and JMS, including all dependencies. It is intended for use by those not using maven, maven users should just import the EJB and JMS BOM's instead (shaded JAR's cause lots of problems with maven, as it is very easy to inadvertently end up with different versions on classes on the class path).

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/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2014 Red Hat, Inc., and individual contributors
 * as indicated by the @author tags.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.wildfly.security.sasl.util;

import java.util.Collection;
import java.util.Collections;
import java.util.LinkedHashSet;
import java.util.Map;

import javax.security.auth.callback.CallbackHandler;
import javax.security.sasl.SaslServer;
import javax.security.sasl.SaslServerFactory;
import javax.security.sasl.SaslException;

import org.wildfly.common.Assert;

/**
 * A {@link SaslServerFactory} which aggregates other {@code SaslServerFactory} instances into one.
 *
 * @author David M. Lloyd
 */
public final class AggregateSaslServerFactory implements SaslServerFactory {
    private final SaslServerFactory[] factories;

    /**
     * Construct a new instance.
     *
     * @param factories the factories to aggregate (must not be {@code null})
     */
    public AggregateSaslServerFactory(final SaslServerFactory... factories) {
        Assert.checkNotNullParam("factories", factories);
        this.factories = factories.clone();
    }

    /**
     * Construct a new instance.
     *
     * @param factories the factories to aggregate (must not be {@code null})
     */
    public AggregateSaslServerFactory(final Collection factories) {
        Assert.checkNotNullParam("factories", factories);
        this.factories = factories.toArray(new SaslServerFactory[factories.size()]);
    }

    @Override
    public SaslServer createSaslServer(final String mechanism, final String protocol, final String serverName, final Map props, final CallbackHandler cbh) throws SaslException {
        for (SaslServerFactory factory : factories) {
            if (factory != null) {
                final SaslServer saslServer = factory.createSaslServer(mechanism,  protocol, serverName, props, cbh);
                if (saslServer != null) {
                    return saslServer;
                }
            }
        }
        return null;
    }

    @Override
    public String[] getMechanismNames(final Map props) {
        final LinkedHashSet names = new LinkedHashSet();
        for (SaslServerFactory factory : factories) {
            if (factory != null) {
                Collections.addAll(names, factory.getMechanismNames(props));
            }
        }
        return names.toArray(new String[names.size()]);
    }
}