Application: gvSIG desktop » gvSIG data provider for GPE

package org.gvsig.xml.prov.kxml.stream;

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *

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

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

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

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

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 *

 * For more information, contact:

 *

 *  Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Ib??ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *      +34 963862235

 *   gvsig@gva.es

 *      www.gvsig.gva.es

 *

 *    or

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

/* CVS MESSAGES:

 *

 * $Id: XmlPullStreamReader.java 19593 2008-03-12 17:23:30Z groldan $

 * $Log$

 */

import java.io.IOException;

import java.io.InputStream;

import javax.xml.namespace.QName;

import javax.xml.stream.XMLStreamReader;

import org.gvsig.xml.lib.api.stream.IXmlStreamReader;

import org.gvsig.xml.lib.api.stream.XmlStreamException;

import org.kxml2.io.KXmlParser;

import org.xmlpull.v1.XmlPullParser;

import org.xmlpull.v1.XmlPullParserException;

/**

 * An {@link IXmlStreamReader} adapter for xml textual parsing using a

 * {@link XmlPullParser pull parser}.

 * 

 * @author Gabriel Roldan (TOPP)

 * @version $Id: XmlPullStreamReader.java 19593 2008-03-12 17:23:30Z groldan $

 */

public class KxmlXmlStreamReader implements IXmlStreamReader {

    private XmlPullParser parser;

	/**

     * Default constructor for this parser

     * @param in 

     * @throws XmlStreamException 

     */

    public KxmlXmlStreamReader(InputStream in) throws XmlStreamException {

			setInput(in);

    }

    /**

     * Sets the internal xmlpull parser input stream

     * 

     * @param inputStream

     * @throws XmlStreamException

     * @see org.gvsig.gpe.xml.stream.IXmlStreamReader#setInput(java.io.InputStream)

     */

    public void setInput(final InputStream inputStream) throws XmlStreamException {

        try {

            parser = new KXmlParser();

            parser.setFeature(XmlPullParser.FEATURE_PROCESS_NAMESPACES, true);

            // let the parser inferr the encoding

            parser.setInput(inputStream, null);

        } catch (XmlPullParserException e) {

            throw new XmlStreamException(e);

        }

    }

    public int getAttributeCount() throws XmlStreamException {

        return parser.getAttributeCount();

    }

    public QName getAttributeName(int i) throws XmlStreamException {

        return new QName(parser.getAttributeNamespace(i), parser.getAttributeName(i));

    }

    public String getAttributeValue(int i) throws XmlStreamException {

        return parser.getAttributeValue(i);

    }

    public int getEventType() throws XmlStreamException {

        // TODO: improve this mapping

        int xmlPullEventType;

        try {

            xmlPullEventType = parser.getEventType();

        } catch (XmlPullParserException e) {

            throw new XmlStreamException(e);

        }

        return pullEventToGpeEventType(xmlPullEventType);

    }

    /**

     * @return

     * @see org.gvsig.gpe.xml.stream.IXmlStreamReader#getName()

     */

    public QName getName() throws XmlStreamException {

    	int eventType;

		try {

			eventType = parser.getEventType();

			if (eventType != XMLStreamReader.START_ELEMENT

	                 && eventType  != XMLStreamReader.END_ELEMENT

	                 && eventType  != XMLStreamReader.PROCESSING_INSTRUCTION

	                 && eventType  != XMLStreamReader.CHARACTERS) {

	             return null;

	        }

			String name = parser.getName();

			if (name != null){

    			name = name.substring(name.indexOf(":") + 1, name.length());

    			parser.getNamespace();

    			return new QName(parser.getNamespace(), name);

    		}

		} catch (XmlPullParserException e) {

			return null;

		}

		return null;     	

    }

    public String getText() throws XmlStreamException {

        return parser.getText();

    }

    public boolean isWhitespace() throws XmlStreamException {

        try {

            return parser.isWhitespace();

        } catch (XmlPullParserException e) {

            throw new XmlStreamException(e);

        }

    }

    public int next() throws XmlStreamException {

        int xmlPullEventType;

        if (getEventType()==XMLStreamReader.END_DOCUMENT)

        	throw new XmlStreamException("End Document Exception! \n There aren't more items to get.");

        try {

            xmlPullEventType = parser.next();

        } catch (XmlPullParserException e) {

            throw new XmlStreamException(e);

        } catch (IOException e) {

            throw new XmlStreamException(e);

        }

        return pullEventToGpeEventType(xmlPullEventType);

    }

    public int nextTag() throws XmlStreamException {

        int xmlPullEventType;

        if (getEventType()==XMLStreamReader.END_DOCUMENT)

        	throw new XmlStreamException("End Document Exception! \n There aren't more tags to get.");

        try {

            xmlPullEventType = parser.nextTag();

        } catch (XmlPullParserException e) {

            throw new XmlStreamException(e);

        } catch (IOException e) {

            throw new XmlStreamException(e);

        }

        return pullEventToGpeEventType(xmlPullEventType);

    }

    private int pullEventToGpeEventType(int xmlPullEventType) {

        switch (xmlPullEventType) {

        case XmlPullParser.START_DOCUMENT:

            return IXmlStreamReader.START_DOCUMENT;

        case XmlPullParser.END_DOCUMENT:

            return IXmlStreamReader.END_DOCUMENT;

        case XmlPullParser.START_TAG:

            return IXmlStreamReader.START_ELEMENT;

        case XmlPullParser.END_TAG:

            return IXmlStreamReader.END_ELEMENT;

        case XmlPullParser.TEXT:

            return IXmlStreamReader.CHARACTERS;

        case XmlPullParser.CDSECT:

            return IXmlStreamReader.CDATA;

        case XmlPullParser.ENTITY_REF:

            return IXmlStreamReader.ENTITY_REFERENCE;

        case XmlPullParser.IGNORABLE_WHITESPACE:

            return IXmlStreamReader.SPACE;

        case XmlPullParser.PROCESSING_INSTRUCTION:

            return IXmlStreamReader.PROCESSING_INSTRUCTION;

        case XmlPullParser.COMMENT:

            return IXmlStreamReader.COMMENT;

        case XmlPullParser.DOCDECL:

            return IXmlStreamReader.DTD;

        default:

            throw new IllegalStateException("Unknown tag type, this should't happen!: "

                    + xmlPullEventType);

        }

    }

}

package org.gvsig.xml.prov.kxml.stream;

import java.io.InputStream;

import org.gvsig.xml.lib.api.stream.IXmlStreamReader;

import org.gvsig.xml.lib.api.stream.IXmlStreamReaderFactory;

import org.gvsig.xml.lib.api.stream.XmlStreamException;

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *

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

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

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

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

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 *

 * For more information, contact:

 *

 *  Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Ib??ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *      +34 963862235

 *   gvsig@gva.es

 *      www.gvsig.gva.es

 *

 *    or

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

/* CVS MESSAGES:

 *

 * $Id$

 * $Log$

 *

 */

/**

 * @author Jorge Piera Llodr? (jorge.piera@iver.es)

 */

public class KxmlXmlParserFactory implements IXmlStreamReaderFactory {

    /**

     * @see org.gvsig.gpe.xml.stream.IXmlStreamReaderFactory#canParse(java.lang.String)

     */

    public boolean canParse(String mimeType) {

        return mimeType.startsWith("text/xml");

    }

    /**

     * @see org.gvsig.gpe.xml.stream.IXmlStreamReaderFactory#createParser(java.lang.String,

     *      java.io.InputStream)

     */

    public IXmlStreamReader createParser(String mimeType, final InputStream in)

            throws XmlStreamException, IllegalArgumentException {

        if (!canParse(mimeType)) {

            throw new IllegalArgumentException("Unsupported mime type for this reader factory: "

                    + mimeType);

        }

        KxmlXmlStreamReader reader = new KxmlXmlStreamReader(in);

        reader.setInput(in);

        return reader;

    }

}

/* gvSIG. Geographic Information System of the Valencian Government

*

* Copyright (C) 2007-2008 Infrastructures and Transports Department

* of the Valencian Government (CIT)

* 

* This program is free software; you can redistribute it and/or

* modify it under the terms of the GNU General Public License

* as published by the Free Software Foundation; either version 2

* of the License, or (at your option) any later version.

* 

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

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

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

* GNU General Public License for more details.

* 

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

* along with this program; if not, write to the Free Software

* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, 

* MA  02110-1301, USA.

* 

*/

/*

* AUTHORS (In addition to CIT):

* 2010 {Iver T.I.}   {Task}

*/

package org.gvsig.xml.prov.kxml;

import org.gvsig.tools.library.AbstractLibrary;

import org.gvsig.tools.library.LibraryException;

import org.gvsig.xml.lib.spi.XMLProviderLocator;

import org.gvsig.xml.prov.kxml.stream.KxmlXmlParserFactory;

/**

 * @author <a href="mailto:jpiera@gvsig.org">Jorge Piera</a>

 */

public class KxmlLibrary extends AbstractLibrary  {

	protected void doInitialize() throws LibraryException {

	}

	protected void doPostInitialize() throws LibraryException {

		XMLProviderLocator.getXMLProviderManager().

			registerXMLStreamReaderFactory(new KxmlXmlParserFactory());

	}

}

<?xml version="1.0" encoding="ISO-8859-1"?>

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0

                      http://maven.apache.org/xsd/maven-4.0.0.xsd">

	<modelVersion>4.0.0</modelVersion>

	<groupId>org.gvsig</groupId>

	<artifactId>org.gvsig.xml.prov.kxml</artifactId>

	<packaging>jar</packaging>

	<name>org.gvsig.xml.prov.kxml</name>

	<description>Kxml provider for XML</description>

	<parent>

		<groupId>org.gvsig</groupId>

		<artifactId>org.gvsig.xml.prov</artifactId>

		<version>2.0-SNAPSHOT</version>				

	</parent>

	<dependencies>

		<dependency>

			<groupId>org.gvsig</groupId>

			<artifactId>org.gvsig.tools</artifactId>

		</dependency>

		<dependency>

			<groupId>org.gvsig</groupId>

			<artifactId>org.gvsig.xml.lib.api</artifactId>			

		</dependency>

		<dependency>

			<groupId>org.gvsig</groupId>

			<artifactId>org.gvsig.xml.lib.spi</artifactId>			

		</dependency>

	</dependencies>

	<build>		

		<plugins>

			<plugin>

				<groupId>org.apache.maven.plugins</groupId>

				<artifactId>maven-compiler-plugin</artifactId>

				<configuration>

					<source>1.4</source>

					<target>1.4</target>

				</configuration>

			</plugin>

		</plugins>

	</build>

</project>