testing/testutils/src/main/java/org/apache/axiom/testutils/namespace/NamespaceContextTestUtils.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF 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
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 */

package org.apache.axiom.testutils.namespace;

import java.util.Iterator;

import javax.xml.XMLConstants;
import javax.xml.namespace.NamespaceContext;

import org.junit.Assert;

public final class NamespaceContextTestUtils {
    private NamespaceContextTestUtils() {}

    public static void checkImplicitNamespaces(NamespaceContext nc) {
        Assert.assertEquals(
                XMLConstants.XML_NS_URI, nc.getNamespaceURI(XMLConstants.XML_NS_PREFIX));
        Assert.assertEquals(
                XMLConstants.XMLNS_ATTRIBUTE_NS_URI,
                nc.getNamespaceURI(XMLConstants.XMLNS_ATTRIBUTE));

        Assert.assertEquals(XMLConstants.XML_NS_PREFIX, nc.getPrefix(XMLConstants.XML_NS_URI));
        Assert.assertEquals(
                XMLConstants.XMLNS_ATTRIBUTE, nc.getPrefix(XMLConstants.XMLNS_ATTRIBUTE_NS_URI));

        Iterator<?> it = nc.getPrefixes(XMLConstants.XML_NS_URI);
        Assert.assertTrue(it.hasNext());
        Assert.assertEquals(XMLConstants.XML_NS_PREFIX, it.next());
        Assert.assertFalse(it.hasNext());

        it = nc.getPrefixes(XMLConstants.XMLNS_ATTRIBUTE_NS_URI);
        Assert.assertTrue(it.hasNext());
        Assert.assertEquals(XMLConstants.XMLNS_ATTRIBUTE, it.next());
        Assert.assertFalse(it.hasNext());
    }
}