/**
 * Copyright (c) 2016-2017, Mihai Emil Andronache
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * * Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 * * Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 * * Neither the name of charles nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package com.amihaiemil.charles.sitemap;


import org.slf4j.LoggerFactory;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Unmarshaller;
import java.io.*;
import org.slf4j.Logger;

/**
 * Represents a sitemap.xml file.
 * @author Mihai Andronache (amihaiemil@gmail.com).
 */
public final class SitemapXml {
    private static final Logger LOG = LoggerFactory.getLogger(SitemapXml.class);

    private InputStream sitemap;

    public SitemapXml(InputStream is) {
        this.sitemap = is;
    }

    /**
     * Reads (unmarshals the sitemap.xml). <br>
     * This method closes the InputStream!
     * @return The unmarshaled UrlSet.
     */
    public UrlSet read() {
        try {
            JAXBContext jaxbContext = JAXBContext.newInstance(UrlSet.class);
            Unmarshaller unmarshaller = jaxbContext.createUnmarshaller();
            return UrlSet.class.cast(unmarshaller.unmarshal(this.sitemap));
        } catch (JAXBException e) {
            LOG.error("Could not read the given sitemap.xml!", e);
            return new UrlSet();
        }
    }
}

/**
 * Copyright (c) 2016-2017, Mihai Emil Andronache
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * * Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 * * Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 * * Neither the name of charles nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package com.amihaiemil.charles.sitemap;


import org.slf4j.LoggerFactory;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Unmarshaller;
import java.io.*;
import org.slf4j.Logger;

/**
 * Represents a sitemap.xml file.
 * @author Mihai Andronache (amihaiemil@gmail.com).
 */
public final class SitemapXml {

    /**
     * Sitemap as InputStream.
     */
    private InputStream sitemap;

    public SitemapXml(InputStream is) {
        this.sitemap = is;
    }

    /**
     * Reads (unmarshals the sitemap.xml). <br>
     * This method closes the InputStream!
     * @return The unmarshaled UrlSet.
     */
    public UrlSet read() {
        try {
            JAXBContext jaxbContext = JAXBContext.newInstance(UrlSet.class);
            Unmarshaller unmarshaller = jaxbContext.createUnmarshaller();
            return UrlSet.class.cast(unmarshaller.unmarshal(this.sitemap));
        } catch (JAXBException ex) {
            throw new IllegalStateException("Could not parse sitemap.xml", ex);
        }
    }
}

throw exception