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The OpenWS library provides a growing set of tools to work with web services at a low level. These tools include classes for creating and reading SOAP messages, transport-independent clients for connecting to web services, and various transports for use with those clients.

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/*
 * Licensed to the University Corporation for Advanced Internet Development, 
 * Inc. (UCAID) under one or more contributor license agreements.  See the 
 * NOTICE file distributed with this work for additional information regarding
 * copyright ownership. The UCAID licenses this file to You 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.opensaml.ws.wsfed.impl;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

import org.opensaml.ws.wsfed.RequestedSecurityToken;
import org.opensaml.xml.AbstractXMLObject;
import org.opensaml.xml.XMLObject;
import org.opensaml.xml.util.XMLObjectChildrenList;

/** Implementation of the {@link RequestedSecurityToken} object. */
public class RequestedSecurityTokenImpl extends AbstractXMLObject implements RequestedSecurityToken {

    /** List of all the security tokens. */
    private final XMLObjectChildrenList tokens;

    /**
     * Constructor.
     * 
     * @param namespaceURI the namespace the element is in
     * @param elementLocalName the local name of the XML element this Object represents
     * @param namespacePrefix the prefix for the given namespace
     */
    public RequestedSecurityTokenImpl(String namespaceURI, String elementLocalName, String namespacePrefix) {
        super(namespaceURI, elementLocalName, namespacePrefix);
        tokens = new XMLObjectChildrenList(this);
    }

    /** {@inheritDoc} */
    public List getSecurityTokens() {
        return tokens;
    }

    /** {@inheritDoc} */
    public List getOrderedChildren() {
        ArrayList children = new ArrayList(1 + tokens.size());

        children.addAll(tokens);

        if (children.size() == 0) {
            return null;
        }

        return Collections.unmodifiableList(children);
    }
}