/*
 * Copyright 2004,2005 The Apache Software Foundation.
 *
 * Licensed 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.apache.axiom.soap.impl.llom;
import junit.framework.TestCase;
import org.apache.axiom.om.OMAbstractFactory;
import org.apache.axiom.om.OMElement;
import org.apache.axiom.om.OMNamespace;
import org.apache.axiom.om.OMOutputFormat;
import org.apache.axiom.soap.SOAPEnvelope;
import org.apache.axiom.soap.SOAPFactory;
import org.apache.axiom.soap.impl.builder.StAXSOAPModelBuilder;

import javax.xml.stream.FactoryConfigurationError;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLStreamException;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;


/**
 * Test for serialization and deserialization using UTF-16
 * character encoding 
 */
public class CharacterEncodingTest extends TestCase {

	public static final String UTF_16 = "utf-16";
	
	public CharacterEncodingTest(String name) {
		super(name);
	}
	
	public void runTest(String value, String expected) throws XMLStreamException, FactoryConfigurationError, IOException {
		
		SOAPFactory factory = OMAbstractFactory.getSOAP12Factory();
		SOAPEnvelope envelope = factory.getDefaultEnvelope();
		String ns = "http://testuri.org";
		OMNamespace namespace = factory.createOMNamespace(ns,"tst");
		
		String ln = "Child";
		
		OMElement bodyChild = factory.createOMElement(ln,namespace);
		bodyChild.addChild(factory.createOMText(value));
		
		envelope.getBody().addChild(bodyChild);


		ByteArrayOutputStream byteOutStr = new ByteArrayOutputStream();
		
		OMOutputFormat outputFormat = new OMOutputFormat();
        outputFormat.setCharSetEncoding(UTF_16);
		envelope.serialize(byteOutStr, outputFormat);
		
		ByteArrayInputStream byteInStr = new ByteArrayInputStream(byteOutStr.toByteArray());
		
		StAXSOAPModelBuilder builder = new StAXSOAPModelBuilder(XMLInputFactory.newInstance().createXMLStreamReader(byteInStr, UTF_16),null);

		SOAPEnvelope resultEnv = builder.getSOAPEnvelope();
		
		OMElement bodyChildResult = resultEnv.getBody().getFirstElement();
		
		assertNotNull("No child in body element", bodyChildResult);
		
		String result = bodyChildResult.getText();
		
		assertNotNull("No value for testParam param", result);
		
		assertEquals("Expected result not received.", expected, result);
	
		
	}
	
    private void runtest(String value) throws Exception {
        runTest(value, value);
    }
    
    public void testSimpleString() throws Exception {
        runtest("a simple string");
    }
    
    public void testStringWithApostrophes() throws Exception {
        runtest("this isn't a simple string");
    }
    
    public void testStringWithEntities() throws Exception {
        runTest("&amp;&lt;&gt;&apos;&quot;", "&amp;&lt;&gt;&apos;&quot;");
    }
    
    public void testStringWithRawEntities() throws Exception {
        runTest("&<>'\"", "&<>'\"");
    }
    public void testStringWithLeadingAndTrailingSpaces() throws Exception {
        runtest("          centered          ");
    }
    
    public void testWhitespace() throws Exception {
        runtest(" \n \t "); // note: \r fails
    }
    
    public void testFrenchAccents() throws Exception {
        runtest("\u00e0\u00e2\u00e4\u00e7\u00e8\u00e9\u00ea\u00eb\u00ee\u00ef\u00f4\u00f6\u00f9\u00fb\u00fc");
    }
    
    public void testGermanUmlauts() throws Exception {
        runtest(" Some text \u00df with \u00fc special \u00f6 chars \u00e4.");
    }
    
    public void testWelcomeUnicode() throws Exception {
        // welcome in several languages
        runtest(
          "Chinese (trad.) : \u6b61\u8fce  ");
    }

    public void testWelcomeUnicode2() throws Exception {
        // welcome in several languages
        runtest(
          "Greek : \u03ba\u03b1\u03bb\u03ce\u03c2 \u03bf\u03c1\u03af\u03c3\u03b1\u03c4\u03b5");
    }

    public void testWelcomeUnicode3() throws Exception {
        // welcome in several languages
        runtest(
          "Japanese : \u3088\u3046\u3053\u305d");
    }
	
}