DefaultSAML2HandlerChain.java

/*
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 * Copyright 2008, Red Hat Middleware LLC, 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.picketlink.identity.federation.core.saml.v2.impl;

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

import org.picketlink.identity.federation.core.saml.v2.interfaces.SAML2Handler;
import org.picketlink.identity.federation.core.saml.v2.interfaces.SAML2HandlerChain;

/**
 * Default implementation of the SAML2 handler chain
 *
 * @author Anil.Saldhana@redhat.com
 * @since Oct 1, 2009
 */
public class DefaultSAML2HandlerChain implements SAML2HandlerChain {
    private Set<SAML2Handler> handlers = new LinkedHashSet<SAML2Handler>();

    /**
     * @see SAML2HandlerChain#add(SAML2Handler)
     */
    public boolean add(SAML2Handler handler) {
        return handlers.add(handler);
    }

    /**
     * @see SAML2HandlerChain#add(SAML2Handler)
     */
    public boolean addAll(Collection<SAML2Handler> handlers) {
        return this.handlers.addAll(handlers);
    }

    /**
     * @see SAML2HandlerChain#handlers()
     */
    public Set<SAML2Handler> handlers() {
        return Collections.unmodifiableSet(handlers);
    }

    /**
     * @see SAML2HandlerChain#remove(SAML2Handler)
     */
    public boolean remove(SAML2Handler handler) {
        return handlers.remove(handler);
    }

    /**
     * @see SAML2HandlerChain#size()
     */
    public int size() {
        return handlers.size();
    }

    /**
     * @see SAML2HandlerChain#removeAll(Collection)
     */
    public boolean removeAll(Collection<SAML2Handler> handlers) {
        return handlers.removeAll(handlers);
    }
}