/**
 * 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
 * under the License.
 */

package tests;

import java.io.FileInputStream;
import java.io.InputStream;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;

import javax.xml.namespace.QName;
import javax.xml.transform.stream.StreamSource;

import org.apache.ws.commons.schema.XmlSchema;
import org.apache.ws.commons.schema.XmlSchemaChoice;
import org.apache.ws.commons.schema.XmlSchemaChoiceMember;
import org.apache.ws.commons.schema.XmlSchemaCollection;
import org.apache.ws.commons.schema.XmlSchemaComplexType;
import org.apache.ws.commons.schema.XmlSchemaElement;
import org.apache.ws.commons.schema.XmlSchemaGroup;
import org.apache.ws.commons.schema.XmlSchemaGroupRef;

import org.junit.Assert;
import org.junit.Test;

public class GroupTest extends Assert {

    /**
     * This method will test the group.
     * 
     * @throws Exception Any exception encountered
     */
    @Test
    public void testGroup() throws Exception {

        /*
         * <schema xmlns="http://www.w3.org/2001/XMLSchema" xmlns:xsd="http://www.w3.org/2001/XMLSchema"
         * xmlns:tns="http://soapinterop.org/types" targetNamespace="http://soapinterop.org/types"> <group
         * name="priceGroup"> <annotation> <documentation xml:lang="en"> A price is any one of the following:
         * Full Price (with amount) Sale Price (with amount and authorization) Clearance Price (with amount
         * and authorization) Free (with authorization) </documentation> </annotation> <choice id="pg.choice">
         * <element name="fullPrice" type="decimal"/> <element name="salePrice" type="decimal"/> <element
         * name="clearancePrice" type="decimal"/> <element name="freePrice" type="decimal"/> </choice>
         * </group> <element name="price"> <complexType> <group ref="tns:priceGroup" /> </complexType>
         * </element> </schema>
         */

        QName elementQName = new QName("http://soapinterop.org/types", "price");
        InputStream is = new FileInputStream(Resources.asURI("group.xsd"));
        XmlSchemaCollection schemaCol = new XmlSchemaCollection();
        XmlSchema schema = schemaCol.read(new StreamSource(is));

        XmlSchemaElement elem = schemaCol.getElementByQName(elementQName);
        assertNotNull(elem);
        assertEquals("price", elem.getName());
        assertEquals(new QName("http://soapinterop.org/types", "price"), elem.getQName());

        XmlSchemaComplexType cType = (XmlSchemaComplexType)elem.getSchemaType();
        assertNotNull(cType);

        XmlSchemaGroupRef ref = (XmlSchemaGroupRef)cType.getParticle();
        assertEquals(new QName("http://soapinterop.org/types", "priceGroup"), ref.getRefName());

        Map<QName, XmlSchemaGroup> t = schema.getGroups();
        assertEquals(1, t.size());

        Set<String> s = new HashSet<String>();
        s.add("priceGroup");
        for (QName qname : t.keySet()) {
            String name = qname.getLocalPart();
            assertEquals("priceGroup", name);
            s.remove(name);
        }
        assertTrue("The set should have been empty, but instead contained: " + s + ".", s.isEmpty());

        s.clear();
        s.add("org.apache.ws.commons.schema.XmlSchemaGroup");
        XmlSchemaGroup xsg = null;
        Iterator<XmlSchemaGroup> i = t.values().iterator();
        while (i.hasNext()) {
            xsg = (XmlSchemaGroup)i.next();
            s.remove(xsg.getClass().getName());
        }
        assertTrue("The set should have been empty, but instead contained: " + s + ".", s.isEmpty());

        assertNotNull(xsg);
        assertEquals("priceGroup", xsg.getName());

        XmlSchemaChoice xsc = (XmlSchemaChoice)xsg.getParticle();
        assertNotNull(xsc);

        s.clear();
        s.add("fullPrice");
        s.add("salePrice");
        s.add("clearancePrice");
        s.add("freePrice");
        List<XmlSchemaChoiceMember> items = xsc.getItems();
        Iterator<XmlSchemaChoiceMember> iterator = items.iterator();
        while (iterator.hasNext()) {
            XmlSchemaElement e = (XmlSchemaElement)iterator.next();
            String eName = e.getName();
            if ("fullPrice".equals(eName)) {
                assertEquals(new QName("", "fullPrice"), e.getWireName());
            } else if ("salePrice".equals(eName)) {
                assertEquals(new QName("", "salePrice"), e.getWireName());
            } else if ("clearancePrice".equals(eName)) {
                assertEquals(new QName("", "clearancePrice"), e.getWireName());
            } else if ("freePrice".equals(eName)) {
                assertEquals(new QName("", "freePrice"), e.getWireName());
            } else {
                fail("The name \"" + eName + "\" was found but shouldn't " + "have been found.");
            }
            assertEquals(new QName("http://www.w3.org/2001/XMLSchema", "decimal"), e.getSchemaTypeName());
            assertTrue(s.remove(e.getName()));
        }
        assertTrue("The set should have been empty, but instead contained: " + s + ".", s.isEmpty());

    }

}