com.janoz.tvapilib.support.XmlParsingObject.java Source code

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Here is the source code for com.janoz.tvapilib.support.XmlParsingObject.java

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/*******************************************************************************
 * Copyright (c) 2010 Gijs de Vries aka Janoz.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors:
 *     Gijs de Vries aka Janoz - initial API and implementation
 ******************************************************************************/
package com.janoz.tvapilib.support;

import java.io.IOException;
import java.io.InputStream;
import java.net.URL;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.xml.sax.XMLReader;
import org.xml.sax.helpers.XMLReaderFactory;

/**
 * @author Gijs de Vries aka Janoz
 *
 */
public abstract class XmlParsingObject {

    private static final Log LOG = LogFactory.getLog(XmlParsingObject.class);

    protected void parse(AbstractSaxParser parser, InputStream inputStream) {
        try {
            InputSource input = new InputSource(inputStream);
            input.setPublicId("");
            input.setSystemId("");
            XMLReader reader = XMLReaderFactory.createXMLReader();
            reader.setContentHandler(parser);
            reader.parse(input);
        } catch (SAXException e) {
            LOG.info("Error parsing XML data.", e);
            throw new TvApiException(e.getMessage(), e);
        } catch (IOException e) {
            LOG.info("IO error while parsing XML data.", e);
            throw new TvApiException("IO error while parsing XML data.", e);
        }
    }

    protected InputStream openStream(String url) {
        try {
            return new URL(url).openStream();
        } catch (IOException e) {
            LOG.info("Unable to open XML data.", e);
            throw new TvApiException("Unable to open XML data.", e);
        }
    }
}