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Xalan-Java is an XSLT processor for transforming XML documents into HTML, text, or other XML document types. It implements XSL Transformations (XSLT) Version 1.0 and XML Path Language (XPath) Version 1.0 and can be used from the command line, in an applet or a servlet, or as a module in other program.

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the  "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
/*
 * $Id: ProcessorStripSpace.java 468640 2006-10-28 06:53:53Z minchau $
 */
package org.apache.xalan.processor;

import java.util.Vector;

import org.apache.xalan.templates.Stylesheet;
import org.apache.xalan.templates.WhiteSpaceInfo;
import org.apache.xpath.XPath;

import org.xml.sax.Attributes;

/**
 * TransformerFactory for xsl:strip-space markup.
 *  * 
 * 
 * 
 */
class ProcessorStripSpace extends ProcessorPreserveSpace
{
    static final long serialVersionUID = -5594493198637899591L;

  /**
   * Receive notification of the start of an strip-space element.
   *
   * @param handler The calling StylesheetHandler/TemplatesBuilder.
   * @param uri The Namespace URI, or the empty string if the
   *        element has no Namespace URI or if Namespace
   *        processing is not being performed.
   * @param localName The local name (without prefix), or the
   *        empty string if Namespace processing is not being
   *        performed.
   * @param rawName The raw XML 1.0 name (with prefix), or the
   *        empty string if raw names are not available.
   * @param attributes The attributes attached to the element.  If
   *        there are no attributes, it shall be an empty
   *        Attributes object.
   */
  public void startElement(
          StylesheetHandler handler, String uri, String localName, String rawName, Attributes attributes)
            throws org.xml.sax.SAXException
  {
    Stylesheet thisSheet = handler.getStylesheet();
	WhitespaceInfoPaths paths = new WhitespaceInfoPaths(thisSheet);
    setPropertiesFromAttributes(handler, rawName, attributes, paths);

    Vector xpaths = paths.getElements();

    for (int i = 0; i < xpaths.size(); i++)
    {
      WhiteSpaceInfo wsi = new WhiteSpaceInfo((XPath) xpaths.elementAt(i), true, thisSheet);
      wsi.setUid(handler.nextUid());

      thisSheet.setStripSpaces(wsi);
    }
    paths.clearElements();

  }
}