org.opensaml.samlext.saml2mdui.impl.KeywordsImpl Maven / Gradle / Ivy

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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.samlext.saml2mdui.impl;

import java.util.List;

import org.opensaml.common.impl.AbstractSAMLObject;
import org.opensaml.samlext.saml2mdui.Keywords;
import org.opensaml.xml.LangBearing;
import org.opensaml.xml.XMLObject;
import org.opensaml.xml.util.DatatypeHelper;

/**
 * Concrete Implementation of  {@link org.opensaml.samlext.saml2mdui.Keywords}.
 */
public class KeywordsImpl extends AbstractSAMLObject implements Keywords {

    /** The language. */
    private String lang;
    /** The data. */
    private List data;
    /**
     * Constructor.
     *
     * @param namespaceURI the URI
     * @param elementLocalName the local name
     * @param namespacePrefix the prefix
     */
    protected KeywordsImpl(String namespaceURI, String elementLocalName, String namespacePrefix) {
        super(namespaceURI, elementLocalName, namespacePrefix);
    }

   
    /** {@inheritDoc} */
    public List getOrderedChildren() {
        return null;
    }

    /** {@inheritDoc} */
    public String getXMLLang() {
        return lang;
    }

    /** {@inheritDoc} */
    public void setXMLLang(String newLang) {
        boolean hasValue = newLang != null && !DatatypeHelper.isEmpty(newLang);
        lang = prepareForAssignment(lang, newLang);
        manageQualifiedAttributeNamespace(LangBearing.XML_LANG_ATTR_NAME, hasValue);
    }

    /** {@inheritDoc} */
    public List getKeywords() {
        return data;
    }

    /** {@inheritDoc} */
    public void setKeywords(List val) {
        data = prepareForAssignment(data, val);
    }

    /**
     * {@inheritDoc}
     */
    public int hashCode() {
        int hash = lang.hashCode();
        for (String s: data) {
            hash = hash * 31 + s.hashCode();
        }
        return hash; 
    }

}