- /*
- * The Apache Software License, Version 1.1
- *
- *
- * Copyright (c) 1999 The Apache Software Foundation. All rights
- * reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. The end-user documentation included with the redistribution,
- * if any, must include the following acknowledgment:
- * "This product includes software developed by the
- * Apache Software Foundation (http://www.apache.org/)."
- * Alternately, this acknowledgment may appear in the software itself,
- * if and wherever such third-party acknowledgments normally appear.
- *
- * 4. The names "Xalan" and "Apache Software Foundation" must
- * not be used to endorse or promote products derived from this
- * software without prior written permission. For written
- * permission, please contact apache@apache.org.
- *
- * 5. Products derived from this software may not be called "Apache",
- * nor may "Apache" appear in their name, without prior written
- * permission of the Apache Software Foundation.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- * ====================================================================
- *
- * This software consists of voluntary contributions made by many
- * individuals on behalf of the Apache Software Foundation and was
- * originally based on software copyright (c) 1999, Lotus
- * Development Corporation., http://www.lotus.com. For more
- * information on the Apache Software Foundation, please see
- * <http://www.apache.org/>.
- */
- package org.apache.xalan.templates;
-
- //import org.w3c.dom.*;
- import org.apache.xml.dtm.DTM;
-
- import org.xml.sax.*;
-
- import org.apache.xpath.*;
- import org.apache.xpath.objects.XObject;
- import org.apache.xalan.trace.SelectionEvent;
- import org.apache.xml.utils.QName;
- import org.apache.xalan.res.XSLTErrorResources;
- import org.apache.xalan.transformer.TransformerImpl;
-
- import javax.xml.transform.TransformerException;
-
- /**
- * <meta name="usage" content="advanced"/>
- * Implement xsl:choose.
- * <pre>
- * <!ELEMENT xsl:choose (xsl:when+, xsl:otherwise?)>
- * <!ATTLIST xsl:choose %space-att;>
- * </pre>
- * @see <a href="http://www.w3.org/TR/xslt#section-Conditional-Processing-with-xsl:choose">XXX in XSLT Specification</a>
- */
- public class ElemChoose extends ElemTemplateElement
- {
-
- /**
- * Get an int constant identifying the type of element.
- * @see org.apache.xalan.templates.Constants
- *
- * @return The token ID for this element
- */
- public int getXSLToken()
- {
- return Constants.ELEMNAME_CHOOSE;
- }
-
- /**
- * Return the node name.
- *
- * @return The element's name
- */
- public String getNodeName()
- {
- return Constants.ELEMNAME_CHOOSE_STRING;
- }
-
- /**
- * Constructor ElemChoose
- *
- */
- public ElemChoose(){}
-
- /**
- * Execute the xsl:choose transformation.
- *
- *
- * @param transformer non-null reference to the the current transform-time state.
- * @param sourceNode non-null reference to the <a href="http://www.w3.org/TR/xslt#dt-current-node">current source node</a>.
- * @param mode reference, which may be null, to the <a href="http://www.w3.org/TR/xslt#modes">current mode</a>.
- *
- * @throws TransformerException
- */
- public void execute(TransformerImpl transformer) throws TransformerException
- {
-
- if (TransformerImpl.S_DEBUG)
- transformer.getTraceManager().fireTraceEvent(this);
-
- boolean found = false;
-
- for (ElemTemplateElement childElem = getFirstChildElem();
- childElem != null; childElem = childElem.getNextSiblingElem())
- {
- int type = childElem.getXSLToken();
-
- if (Constants.ELEMNAME_WHEN == type)
- {
- found = true;
-
- ElemWhen when = (ElemWhen) childElem;
-
- // must be xsl:when
- XPathContext xctxt = transformer.getXPathContext();
- int sourceNode = xctxt.getCurrentNode();
-
- // System.err.println("\""+when.getTest().getPatternString()+"\"");
-
- // if(when.getTest().getPatternString().equals("COLLECTION/icuser/ictimezone/LITERAL='GMT +13:00 Pacific/Tongatapu'"))
- // System.err.println("Found COLLECTION/icuser/ictimezone/LITERAL");
-
- if (TransformerImpl.S_DEBUG)
- {
- XObject test = when.getTest().execute(xctxt, sourceNode, when);
-
- if (TransformerImpl.S_DEBUG)
- transformer.getTraceManager().fireSelectedEvent(sourceNode, when,
- "test", when.getTest(), test);
-
- if (test.bool())
- {
- transformer.getTraceManager().fireTraceEvent(when);
-
- transformer.executeChildTemplates(when, true);
-
- transformer.getTraceManager().fireTraceEndEvent(when);
-
- return;
- }
-
- }
- else if (when.getTest().bool(xctxt, sourceNode, when))
- {
- transformer.executeChildTemplates(when, true);
-
- return;
- }
- }
- else if (Constants.ELEMNAME_OTHERWISE == type)
- {
- found = true;
-
- if (TransformerImpl.S_DEBUG)
- transformer.getTraceManager().fireTraceEvent(childElem);
-
- // xsl:otherwise
- transformer.executeChildTemplates(childElem, true);
-
- if (TransformerImpl.S_DEBUG)
- transformer.getTraceManager().fireTraceEndEvent(childElem);
- return;
- }
- }
-
- if (!found)
- transformer.getMsgMgr().error(
- this, XSLTErrorResources.ER_CHOOSE_REQUIRES_WHEN);
-
- if (TransformerImpl.S_DEBUG)
- transformer.getTraceManager().fireTraceEndEvent(this);
- }
-
- /**
- * Add a child to the child list.
- *
- * @param newChild Child to add to this node's child list
- *
- * @return The child that was just added to the child list
- *
- * @throws DOMException
- */
- public ElemTemplateElement appendChild(ElemTemplateElement newChild)
- {
-
- int type = ((ElemTemplateElement) newChild).getXSLToken();
-
- switch (type)
- {
- case Constants.ELEMNAME_WHEN :
- case Constants.ELEMNAME_OTHERWISE :
-
- // TODO: Positional checking
- break;
- default :
- error(XSLTErrorResources.ER_CANNOT_ADD,
- new Object[]{ newChild.getNodeName(),
- this.getNodeName() }); //"Can not add " +((ElemTemplateElement)newChild).m_elemName +
-
- //" to " + this.m_elemName);
- }
-
- return super.appendChild(newChild);
- }
-
- /**
- * Tell if this element can accept variable declarations.
- * @return true if the element can accept and process variable declarations.
- */
- public boolean canAcceptVariables()
- {
- return false;
- }
-
- }