Processes XML entity. - Java XML

Java examples for XML:XML Entity

  1. HOME
  2. Java
  3. XML
  4. XML Entity

Description

Processes XML entity.

Demo Code

/* XMLUtil.java                                                    NanoXML/Java
 *
 * $Revision: 1.5 $//from   w  w w .  j  a v  a 2s  .  c  om
 * $Date: 2002/02/03 21:19:38 $
 * $Name: RELEASE_2_2_1 $
 *
 * This file is part of NanoXML 2 for Java.
 * Copyright (C) 2000-2002 Marc De Scheemaecker, All Rights Reserved.
 *
 * This software is provided 'as-is', without any express or implied warranty.
 * In no event will the authors be held liable for any damages arising from the
 * use of this software.
 *
 * Permission is granted to anyone to use this software for any purpose,
 * including commercial applications, and to alter it and redistribute it
 * freely, subject to the following restrictions:
 *
 *  1. The origin of this software must not be misrepresented; you must not
 *     claim that you wrote the original software. If you use this software in
 *     a product, an acknowledgment in the product documentation would be
 *     appreciated but is not required.
 *
 *  2. Altered source versions must be plainly marked as such, and must not be
 *     misrepresented as being the original software.
 *
 *  3. This notice may not be removed or altered from any source distribution.
 */
import java.io.IOException;
import java.io.Reader;

public class Main{
    /**
     * Processes an entity.
     *
     * @param entity         the entity
     * @param reader         the reader
     * @param entityResolver the entity resolver
     *
     * @throws java.io.IOException
     *      if an error occurred reading the data
     */
    static void processEntity(String entity, StdXMLReader reader,
            XMLEntityResolver entityResolver) throws IOException,
            XMLParseException {
        entity = entity.substring(1, entity.length() - 1);
        Reader entityReader = entityResolver.getEntity(reader, entity);

        if (entityReader == null) {
            XMLUtil.errorInvalidEntity(reader.getSystemID(),
                    reader.getLineNr(), entity);
        }

        boolean externalEntity = entityResolver.isExternalEntity(entity);
        reader.startNewStream(entityReader, !externalEntity);
    }
    /**
     * Throws an XMLParseException to indicate that an entity could not be
     * resolved.
     *
     * @param systemID       the system ID of the data source
     * @param lineNr         the line number in the data source
     * @param entity    the name of the entity
     */
    static void errorInvalidEntity(String systemID, int lineNr,
            String entity) throws XMLParseException {
        throw new XMLParseException(systemID, lineNr, "Invalid entity: `&"
                + entity + ";'");
    }
}

Related Tutorials