/**
 * 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.StringReader;
import java.io.StringWriter;
import java.net.URI;
import java.util.HashMap;
import java.util.Map;

import org.w3c.dom.Document;
import org.w3c.dom.Element;

import org.xml.sax.InputSource;

import org.apache.ws.commons.schema.XmlSchema;
import org.apache.ws.commons.schema.XmlSchemaCollection;
import org.apache.ws.commons.schema.utils.NamespaceMap;
import org.custommonkey.xmlunit.XMLAssert;
import org.custommonkey.xmlunit.XMLUnit;

import org.junit.After;
import org.junit.Before;
import org.junit.Test;

public class NamespaceContextTest
    extends XMLAssert {
    protected boolean whitespace = true;

    @Before
    public void setUp() throws Exception {
        whitespace = XMLUnit.getIgnoreWhitespace();
        XMLUnit.setIgnoreWhitespace(true);
    }

    @After
    public void tearDown() throws java.lang.Exception {
        XMLUnit.setIgnoreWhitespace(whitespace);
    }

    @Test
    public void testNamespaceContext() throws Exception {
        Map<String, Object> namespaceMapFromWSDL = new HashMap<String, Object>();
        namespaceMapFromWSDL.put("tns", new URI("http://example.org/getBalance/"));
        namespaceMapFromWSDL.put("xsd", new URI("http://www.w3.org/2001/XMLSchema"));
        String schema = "\t\t<xsd:schema targetNamespace=\"http://example.org/getBalance/\"\n"
                        + "attributeFormDefault=\"unqualified\" elementFormDefault=\"unqualified\""
                        + " xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\">"
                        + "\t\t\t<xsd:include schemaLocation=\"getBalance.xsd\" />\n" + "\n"
                        + "\t\t\t<xsd:element name=\"newCustomer\">\n" + "\t\t\t\t<xsd:complexType>\n"
                        + "\t\t\t\t\t<xsd:sequence>\n"
                        + "\t\t\t\t\t\t<xsd:element name=\"details\" type=\"tns:cinfoct\" />\n"
                        + "\t\t\t\t\t\t<xsd:element name=\"id\" type=\"xsd:string\" />\n"
                        + "\t\t\t\t\t</xsd:sequence>\n" + "\t\t\t\t</xsd:complexType>\n"
                        + "\t\t\t</xsd:element>\n" + "\n" + "\t\t\t<xsd:element name=\"customerId\">\n"
                        + "\t\t\t\t<xsd:complexType>\n" + "\t\t\t\t\t<xsd:sequence>\n"
                        + "\t\t\t\t\t\t<xsd:element name=\"id\" type=\"xsd:string\" />\n"
                        + "\t\t\t\t\t</xsd:sequence>\n" + "\t\t\t\t</xsd:complexType>\n"
                        + "\t\t\t</xsd:element>\n" + "\n" + "\t\t</xsd:schema>";
        org.xml.sax.InputSource schemaInputSource = new InputSource(new StringReader(schema));
        XmlSchemaCollection xsc = new XmlSchemaCollection();
        xsc.setBaseUri(Resources.TEST_RESOURCES);

        // Set the namespaces explicitly
        NamespaceMap prefixmap = new NamespaceMap(namespaceMapFromWSDL);
        xsc.setNamespaceContext(prefixmap);
        XmlSchema schemaDef = xsc.read(schemaInputSource);
        StringWriter sw = new StringWriter();
        schemaDef.write(sw);

        try {
            assertXMLEqual(sw.toString(), schema);
        } catch (NullPointerException ex) {
            System.out.println(">>>> NPE, ignoring assertXMLEqual");
        }
    }

    @Test
    public void testNullNamespaceCtx() throws Exception {
        String schema = "\t\t<xsd:schema targetNamespace=\"http://example.org/getBalance/\"\n"
                        + "attributeFormDefault=\"unqualified\" elementFormDefault=\"unqualified\""
                        + " xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\""
                        + " xmlns=\"http://www.w3.org/2001/XMLSchema\""
                        + " xmlns:xsd1=\"http://example.org/getBalance/\">"
                        + "\t\t\t<xsd:include schemaLocation=\"getBalance.xsd\" />\n" + "\n"
                        + "\t\t\t<xsd:element name=\"newCustomer\">\n" + "\t\t\t\t<xsd:complexType>\n"
                        + "\t\t\t\t\t<xsd:sequence>\n"
                        + "\t\t\t\t\t\t<xsd:element name=\"details\" type=\"xsd1:cinfoct\" />\n"
                        + "\t\t\t\t\t\t<xsd:element name=\"id\" type=\"string\" />\n"
                        + "\t\t\t\t\t</xsd:sequence>\n" + "\t\t\t\t</xsd:complexType>\n"
                        + "\t\t\t</xsd:element>\n" + "\n" + "\t\t\t<xsd:element name=\"customerId\">\n"
                        + "\t\t\t\t<xsd:complexType>\n" + "\t\t\t\t\t<xsd:sequence>\n"
                        + "\t\t\t\t\t\t<xsd:element name=\"id\" type=\"string\" />\n"
                        + "\t\t\t\t\t</xsd:sequence>\n" + "\t\t\t\t</xsd:complexType>\n"
                        + "\t\t\t</xsd:element>\n" + "\n" + "\t\t</xsd:schema>";
        org.xml.sax.InputSource schemaInputSource = new InputSource(new StringReader(schema));
        XmlSchemaCollection xsc = new XmlSchemaCollection();
        xsc.setBaseUri(Resources.TEST_RESOURCES);

        // Set the namespaces explicitly
        XmlSchema schemaDef = xsc.read(schemaInputSource);
        schemaDef.setNamespaceContext(null);
        Document doc = schemaDef.getSchemaDocument();
        Element el = doc.getDocumentElement();
        String ns = el.getAttribute("xmlns");
        assertEquals("http://www.w3.org/2001/XMLSchema", ns);
        ns = el.getAttribute("xmlns:tns");
        assertEquals("http://example.org/getBalance/", ns);
    }
}