/*
 * Copyright (C) 2007 The Android Open Source Project
 *
 * 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.harmony.tests.javax.xml.parsers;

import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.HashMap;
import java.util.Properties;
import java.util.Vector;

import javax.xml.parsers.FactoryConfigurationError;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;

import junit.framework.TestCase;

import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import org.xml.sax.SAXNotRecognizedException;
import org.xml.sax.SAXNotSupportedException;
import org.xml.sax.helpers.DefaultHandler;

public class SAXParserFactoryTest extends TestCase {

    SAXParserFactory spf;

    InputStream is1;

    static HashMap<String, String> ns;

    static Vector<String> el;

    static HashMap<String, String> attr;

    public void setUp() throws Exception {
        spf = SAXParserFactory.newInstance();

        is1 = getClass().getResourceAsStream("/simple.xml");

        ns = new HashMap<String, String>();
        attr = new HashMap<String, String>();
        el = new Vector<String>();
    }

    public void tearDown() throws Exception {
        is1.close();
        super.tearDown();
    }

    // AndroidOnly("Android SAX implementation is non-validating")
    public void test_Constructor() {
        MySAXParserFactory mpf = new MySAXParserFactory();
        assertTrue(mpf instanceof SAXParserFactory);
        assertFalse(mpf.isValidating());
    }

    /**
     * javax.xml.parsers.SAXParserFactory#getSchema().
     * TBD getSchema() IS NOT SUPPORTED
     */
    /*   public void test_getSchema() {
        assertNull(spf.getSchema());
        SchemaFactory sf =
            SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI);
        try {
            Schema schema = sf.newSchema();
            spf.setSchema(schema);
            assertNotNull(spf.getSchema());
        } catch (SAXException sax) {
            fail("Unexpected exception " + sax.toString());
        }
    }
     */

    public void test_setIsNamespaceAware() {
        spf.setNamespaceAware(true);
        assertTrue(spf.isNamespaceAware());
        spf.setNamespaceAware(false);
        assertFalse(spf.isNamespaceAware());
        spf.setNamespaceAware(true);
        assertTrue(spf.isNamespaceAware());
    }

    public void test_setIsValidating() {
        spf.setValidating(true);
        assertTrue(spf.isValidating());
        spf.setValidating(false);
        assertFalse(spf.isValidating());
        spf.setValidating(true);
        assertTrue(spf.isValidating());
    }

    // TODO(b/314228778): fix JavaLangUnsupportedOperationException: 
    // This parser does not support specification
    // public void test_setIsXIncludeAware() {
    //     spf.setXIncludeAware(true);
    //     assertTrue(spf.isXIncludeAware());
    //     spf.setXIncludeAware(false);
    //     assertFalse(spf.isXIncludeAware());
    // }

    // @KnownFailure("Dalvik doesn't honor system properties when choosing a SAX implementation")
    // public void test_newInstance() {
    //     try {
    //         SAXParserFactory dtf = SAXParserFactory.newInstance();
    //         assertNotNull("New Instance of DatatypeFactory is null", dtf);

    //         System.setProperty("javax.xml.parsers.SAXParserFactory",
    //         "org.apache.harmony.xml.parsers.SAXParserFactoryImpl");

    //         SAXParserFactory spf1 = SAXParserFactory.newInstance();
    //         assertTrue(spf1 instanceof org.apache.harmony.xml.parsers.SAXParserFactoryImpl);

    //         String key = "javax.xml.parsers.SAXParserFactory = org.apache.harmony.xml.parsers.SAXParserFactoryImpl";

    //         ByteArrayInputStream bis = new ByteArrayInputStream(key.getBytes());
    //         Properties prop = System.getProperties();
    //         prop.load(bis);
    //         SAXParserFactory spf2 = SAXParserFactory.newInstance();
    //         assertTrue(spf2 instanceof org.apache.harmony.xml.parsers.SAXParserFactoryImpl);

    //         System.setProperty("javax.xml.parsers.SAXParserFactory", "");
    //         try {
    //             SAXParserFactory.newInstance();
    //             fail("Expected FactoryConfigurationError was not thrown");
    //         } catch (FactoryConfigurationError e) {
    //             // expected
    //         }
    //     } catch (IOException ioe) {
    //         fail("Unexpected exception " + ioe.toString());
    //     }
    // }

    public void test_newSAXParser() {
        // Ordinary case
        try {
            SAXParser sp = spf.newSAXParser();
            assertTrue(sp instanceof SAXParser);
            sp.parse(is1, new MyHandler());
        } catch(Exception e) {
            throw new RuntimeException("Unexpected exception", e);
        }

        // Exception case
        spf.setValidating(true);
        try {
            SAXParser sp = spf.newSAXParser();
        } catch(ParserConfigurationException e) {
            // Expected, since Android doesn't have a validating parser.
        } catch (SAXException e) {
            throw new RuntimeException("Unexpected exception", e);
        }
    }

    public void test_setFeatureLjava_lang_StringZ() {
        // We can't verify ParserConfigurationException and
        // SAXNotSupportedException since these are never
        // thrown by Android.

        String[] features = {
                "http://xml.org/sax/features/namespaces",
                "http://xml.org/sax/features/validation" };
        for (int i = 0; i < features.length; i++) {
            try {
                spf.setFeature(features[i], true);
                assertTrue(spf.getFeature(features[i]));
                spf.setFeature(features[i], false);
                assertFalse(spf.getFeature(features[i]));
            } catch (ParserConfigurationException pce) {
                fail("ParserConfigurationException is thrown");
            } catch (SAXNotRecognizedException snre) {
                fail("SAXNotRecognizedException is thrown");
            } catch (SAXNotSupportedException snse) {
                fail("SAXNotSupportedException is thrown");
            }
        }

        try {
            spf.setFeature("", true);
            fail("SAXNotRecognizedException is not thrown");
        } catch (ParserConfigurationException pce) {
            fail("ParserConfigurationException is thrown");
        } catch (SAXNotRecognizedException snre) {
            //expected
        } catch (SAXNotSupportedException snse) {
            fail("SAXNotSupportedException is thrown");
        } catch (NullPointerException npe) {
            fail("NullPointerException is thrown");
        }

        try {
            spf.setFeature("http://xml.org/sax/features/unknown-feature", true);
        } catch (ParserConfigurationException pce) {
            fail("ParserConfigurationException is thrown");
        } catch (SAXNotRecognizedException snre) {
            fail("SAXNotRecognizedException is thrown");
        } catch (SAXNotSupportedException snse) {
            // Acceptable, although this doesn't happen an Android.
        } catch (NullPointerException npe) {
            fail("NullPointerException is thrown");
        }

        try {
            spf.setFeature(null, true);
            fail("NullPointerException is not thrown");
        } catch (ParserConfigurationException pce) {
            fail("ParserConfigurationException is thrown");
        } catch (SAXNotRecognizedException snre) {
            fail("SAXNotRecognizedException is thrown");
        } catch (SAXNotSupportedException snse) {
            fail("SAXNotSupportedException is thrown");
        } catch (NullPointerException npe) {
            // expected
        }
    }

    // public void test_setNamespaceAwareZ() throws Exception {
    //     MyHandler mh = new MyHandler();

    //     spf.setNamespaceAware(true);
    //     InputStream is = getClass().getResourceAsStream("/simple_ns.xml");
    //     spf.newSAXParser().parse(is, mh);
    //     is.close();

    //     spf.setNamespaceAware(false);
    //     is = getClass().getResourceAsStream("/simple_ns.xml");
    //     spf.newSAXParser().parse(is, mh);
    //     is.close();
    // }

    /*   public void test_setSchemaLjavax_xml_validation_Schema() {
        SchemaFactory sf =
            SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI);
        try {
            Schema schema = sf.newSchema();
            spf.setSchema(schema);
            assertNotNull(spf.getSchema());
        } catch (SAXException sax) {
            fail("Unexpected exception " + sax.toString());
        }
    }
     */

//    public void test_setValidatingZ() {
//        MyHandler mh = new MyHandler();
//        InputStream is2 = getClass().getResourceAsStream("/recipe.xml");
//        try {
//            spf.setValidating(true);
//            assertTrue(spf.isValidating());
//            spf.newSAXParser().parse(is2, mh);
//        } catch (org.xml.sax.SAXException se) {
//            fail("SAXException was thrown during parsing");
//        } catch (javax.xml.parsers.ParserConfigurationException pce) {
//            fail("ParserConfigurationException was thrown during parsing");
//        } catch (IOException ioe) {
//            fail("IOException was thrown during parsing");
//        } finally {
//            try {
//                is2.close();
//            } catch(Exception ioee) {}
//        }
//        InputStream is3 = getClass().getResourceAsStream("/recipe1.xml");
//        try {
//            assertTrue(spf.isValidating());
//            spf.newSAXParser().parse(is3, mh);
//        } catch (org.xml.sax.SAXException se) {
//            fail("SAXException was thrown during parsing");
//        } catch (javax.xml.parsers.ParserConfigurationException pce) {
//            fail("ParserConfigurationException was thrown during parsing");
//        } catch (IOException ioe) {
//            fail("IOEXception was thrown during parsing: " + ioe.getMessage());
//        } finally {
//            try {
//                is3.close();
//            } catch(Exception ioee) {}
//        }
//        is2 = getClass().getResourceAsStream("/recipe.xml");
//        try {
//            spf.setValidating(false);
//            assertFalse(spf.isValidating());
//            spf.newSAXParser().parse(is2, mh);
//        } catch (org.xml.sax.SAXException se) {
//            fail("SAXException was thrown during parsing");
//        } catch (javax.xml.parsers.ParserConfigurationException pce) {
//            fail("ParserConfigurationException was thrown during parsing");
//        } catch (IOException ioe) {
//            fail("IOException was thrown during parsing");
//        } finally {
//            try {
//                is2.close();
//            } catch(Exception ioee) {}
//        }
//        is3 = getClass().getResourceAsStream("/recipe1.xml");
//        try {
//            assertFalse(spf.isValidating());
//            spf.newSAXParser().parse(is3, mh);
//        } catch (org.xml.sax.SAXException se) {
//            fail("SAXException was thrown during parsing");
//        } catch (javax.xml.parsers.ParserConfigurationException pce) {
//            fail("ParserConfigurationException was thrown during parsing");
//        } catch (IOException ioe) {
//            fail("IOEXception was thrown during parsing: " + ioe.getMessage());
//        } finally {
//            try {
//                is3.close();
//            } catch(Exception ioee) {}
//        }
//    }

//    public void test_setXIncludeAwareZ() {
//        spf.setXIncludeAware(true);
//        MyHandler mh = new MyHandler();
//        InputStream is = getClass().getResourceAsStream("/simple_ns.xml");
//        try {
//            spf.newSAXParser().parse(is, mh);
//        } catch(javax.xml.parsers.ParserConfigurationException pce) {
//            fail("ParserConfigurationException was thrown during parsing");
//        } catch(org.xml.sax.SAXException se) {
//            fail("SAXException was thrown during parsing");
//        } catch(IOException ioe) {
//            fail("IOException was thrown during parsing");
//        } finally {
//            try {
//                is.close();
//            } catch(Exception ioee) {}
//        }
//        spf.setXIncludeAware(false);
//        is = getClass().getResourceAsStream("/simple_ns.xml");
//        try {
//            is = getClass().getResourceAsStream("/simple_ns.xml");
//            spf.newSAXParser().parse(is, mh);
//        } catch(javax.xml.parsers.ParserConfigurationException pce) {
//            fail("ParserConfigurationException was thrown during parsing");
//        } catch(org.xml.sax.SAXException se) {
//            fail("SAXException was thrown during parsing");
//        } catch(IOException ioe) {
//            fail("IOException was thrown during parsing");
//        } finally {
//            try {
//                is.close();
//            } catch(Exception ioee) {}
//        }
//        is = getClass().getResourceAsStream("/simple_ns.xml");
//        try {
//            spf.setXIncludeAware(true);
//            spf.newSAXParser().parse(is, mh);
//        } catch(javax.xml.parsers.ParserConfigurationException pce) {
//            fail("ParserConfigurationException was thrown during parsing");
//        } catch(org.xml.sax.SAXException se) {
//            fail("SAXException was thrown during parsing");
//        } catch(IOException ioe) {
//            fail("IOException was thrown during parsing");
//        } finally {
//            try {
//                is.close();
//            } catch(Exception ioee) {}
//        }
//    }

    static class MyHandler extends DefaultHandler {

        public void startElement(String uri, String localName, String qName,
                Attributes atts) {

            el.add(qName);
            if (!uri.equals(""))
                ns.put(qName, uri);
            for (int i = 0; i < atts.getLength(); i++) {
                attr.put(atts.getQName(i), atts.getValue(i));
            }

        }
    }

    class MySAXParserFactory extends SAXParserFactory {

        public MySAXParserFactory() {
            super();
        }

        public SAXParser newSAXParser() {
            return null;
        }

        public void setFeature(String name, boolean value) throws
                ParserConfigurationException, SAXNotRecognizedException,
                SAXNotSupportedException {

        }

        public boolean getFeature(String name) throws
                ParserConfigurationException, SAXNotRecognizedException,
                SAXNotSupportedException {
            return true;
        }

    }

}
