alt2xml: java/alt2xml-cli/src/cz/frantovo/alt2xml/cli/EchoContentHandler.java@a5020340362b

     1 /**

     2  * Alt2XML

     3  * Copyright © 2014 František Kučera (frantovo.cz)

     4  *

     5  * This program is free software: you can redistribute it and/or modify

     6  * it under the terms of the GNU General Public License as published by

     7  * the Free Software Foundation, either version 3 of the License, or

     8  * (at your option) any later version.

     9  *

    10  * This program is distributed in the hope that it will be useful,

    11  * but WITHOUT ANY WARRANTY; without even the implied warranty of

    12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

    13  * GNU General Public License for more details.

    14  *

    15  * You should have received a copy of the GNU General Public License

    16  * along with this program. If not, see <http://www.gnu.org/licenses/>.

    17  */

    18 package cz.frantovo.alt2xml.cli;

    20 import java.util.logging.Logger;

    21 import javax.xml.stream.XMLStreamException;

    22 import javax.xml.stream.XMLStreamWriter;

    23 import org.xml.sax.Attributes;

    24 import org.xml.sax.SAXException;

    25 import org.xml.sax.helpers.DefaultHandler;

    27 /**

    28  * Slouží k převodu právě parsovaného XML zpět na XML.

    29  * Určen pro testování a ladění a pro použití s neobvyklými „XML“ parsery,

    30  * které nečtou XML ale jiný jazyk (např. JSON, INI atd.), ale používají stejné rozhraní (SAX).

    31  *

    32  * TODO: další typy uzlů a jmenné prostory.

    33  *

    34  * @author Ing. František Kučera (frantovo.cz)

    35  */

    36 public class EchoContentHandler extends DefaultHandler {

    38 	private static final Logger log = Logger.getLogger(EchoContentHandler.class.getName());

    39 	private XMLStreamWriter w;

    41 	/**

    42 	 * @param writer kam se bude vypisovat XML.

    43 	 */

    44 	public EchoContentHandler(XMLStreamWriter writer) {

    45 		w = writer;

    46 	}

    48 	@Override

    49 	public void startDocument() throws SAXException {

    50 		try {

    51 			w.writeStartDocument();

    52 		} catch (XMLStreamException e) {

    53 			throw new SAXException(e);

    54 		}

    55 	}

    57 	@Override

    58 	public void endDocument() throws SAXException {

    59 		try {

    60 			w.writeEndDocument();

    61 			w.close();

    62 		} catch (XMLStreamException e) {

    63 			throw new SAXException(e);

    64 		}

    65 	}

    67 	@Override

    68 	public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException {

    69 		try {

    70 			w.writeStartElement(qName);

    72 			if (attributes != null) {

    73 				for (int i = 0; i < attributes.getLength(); i++) {

    74 					w.writeAttribute(attributes.getQName(i), attributes.getValue(i));

    75 				}

    76 			}

    78 			w.flush();

    79 		} catch (XMLStreamException e) {

    80 			throw new SAXException(e);

    81 		}

    82 	}

    84 	@Override

    85 	public void endElement(String uri, String localName, String qName) throws SAXException {

    86 		try {

    87 			w.writeEndElement();

    88 			w.flush();

    89 		} catch (XMLStreamException e) {

    90 			throw new SAXException(e);

    91 		}

    92 	}

    94 	@Override

    95 	public void characters(char[] ch, int start, int length) throws SAXException {

    96 		try {

    97 			w.writeCharacters(ch, start, length);

    98 			w.flush();

    99 		} catch (XMLStreamException e) {

   100 			throw new SAXException(e);

   101 		}

   102 	}

   104 	/**

   105 	 * LexicalHandler methods

   106 	 *

   107 	 * @Override

   108 	 * public void startDTD(String name, String publicId, String systemId) throws SAXException {

   109 	 * log.log(Level.WARNING, "Start of DTD: {0} | {1} | {2}", new Object[]{name, publicId,

   110 	 * systemId});

   111 	 * }

   112 	 *

   113 	 * @Override

   114 	 * public void endDTD() throws SAXException {

   115 	 * log.log(Level.WARNING, "End of DTD");

   116 	 * }

   117 	 *

   118 	 * @Override

   119 	 * public void startEntity(String name) throws SAXException {

   120 	 * log.log(Level.WARNING, "Start of Entity: {0}", name);

   121 	 * }

   122 	 *

   123 	 * @Override

   124 	 * public void endEntity(String name) throws SAXException {

   125 	 * log.log(Level.WARNING, "End of Entity: {0}", name);

   126 	 * }

   127 	 *

   128 	 * @Override

   129 	 * public void startCDATA() throws SAXException {

   130 	 * log.log(Level.WARNING, "Start of CDATA");

   131 	 * }

   132 	 *

   133 	 * @Override

   134 	 * public void endCDATA() throws SAXException {

   135 	 * log.log(Level.WARNING, "End of CDATA");

   136 	 * }

   137 	 *

   138 	 * @Override

   139 	 * public void comment(char[] ch, int start, int length) throws SAXException {

   140 	 * try {

   141 	 * w.writeComment(new String(ch, start, length));

   142 	 * w.flush();

   143 	 * } catch (XMLStreamException e) {

   144 	 * throw new SAXException(e);

   145 	 * }

   146 	 * }

   147 	 */

   148 }

author	František Kučera <franta-hg@frantovo.cz>
	Sun, 08 Jun 2014 15:00:19 +0200
changeset 39	a5020340362b
parent 19	a58dce1054af
permissions	-rw-r--r--