/*
 * 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 org.apache.jena.rdf.model.test;

import java.io.IOException;
import java.net.ConnectException;
import java.net.NoRouteToHostException;
import java.net.UnknownHostException;

import org.apache.jena.rdf.model.RDFReaderI;
import org.apache.jena.rdf.model.StmtIterator;
import org.apache.jena.rdf.model.impl.NTripleReader;
import org.apache.jena.rdf.model.test.helpers.TestingModelFactory;
import org.apache.jena.shared.JenaException;
import org.junit.Assert;
import org.slf4j.LoggerFactory;

public class TestReaders extends AbstractModelTestBase {
    public TestReaders(final TestingModelFactory modelFactory, final String name) {
        super(modelFactory, name);
    }

    public TestReaders() {
        this(new TS3_Model1.PlainModelFactory(), "TestReaders");
    }

    /**
     * Test to ensure that the reader is set.
     */
    public void testGetNTripleReader() {
        final RDFReaderI reader = new NTripleReader();
        Assert.assertNotNull(reader);
    }

    public void testReadLocalNTriple() {
        model.read(getInputStream("TestReaders.nt"), "", "N-TRIPLE");
        Assert.assertEquals("Wrong size model", 5, model.size());
        final StmtIterator iter = model.listStatements(null, null, "foo\"\\\n\r\tbar");
        Assert.assertTrue("No next statement found", iter.hasNext());
    }

    public void testReadLocalRDF() {
        model.read(getInputStream("TestReaders.rdf"), "http://example.org/");
    }

    public void testReadRemoteNTriple() {
        try {
            model.read("https://www.w3.org/2000/10/rdf-tests/rdfcore/" + "rdf-containers-syntax-vs-schema/test001.nt", "N-TRIPLE");
        } catch (final JenaException jx) {
            if ( (jx.getCause() instanceof NoRouteToHostException) || (jx.getCause() instanceof UnknownHostException)
                 || (jx.getCause() instanceof ConnectException) || (jx.getCause() instanceof IOException) ) {
                noPublicInternet();
            } else {
                throw jx;
            }
        }
    }

    public void testReadRemoteRDF() {
        try {
            model.read("https://www.w3.org/2000/10/rdf-tests/rdfcore/" + "rdf-containers-syntax-vs-schema/test001.rdf");
        } catch (final JenaException jx) {
            if ( (jx.getCause() instanceof NoRouteToHostException) || (jx.getCause() instanceof UnknownHostException)
                 || (jx.getCause() instanceof ConnectException) || (jx.getCause() instanceof IOException) ) {
                noPublicInternet();
            } else {
                throw jx;
            }
        }
    }

    private void noPublicInternet() {
        LoggerFactory.getLogger(this.getClass()).warn("Cannot access public internet - part of test not executed");
    }
}
