| /* |
| * 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.xpath; |
| |
| |
| import org.w3c.dom.*; |
| |
| import org.apache.xpath.XPathContext; |
| /** |
| * <meta name="usage" content="general"/> |
| * This class represents an XPath string object, and is capable of |
| * converting the string to other types, such as a number. |
| * @deprecated This compatibility layer will be removed in later releases. |
| */ |
| public class XString extends XObject |
| { |
| |
| org.apache.xpath.objects.XString m_xstring; |
| |
| /** |
| * Construct a XString object. |
| */ |
| public XString(String val) |
| { |
| super(val); |
| m_xstring = new org.apache.xpath.objects.XString(val); |
| } |
| |
| /** |
| * Tell that this is a CLASS_STRING. |
| */ |
| public int getType() |
| { |
| return m_xstring.getType(); |
| } |
| |
| /** |
| * Given a request type, return the equivalent string. |
| * For diagnostic purposes. |
| */ |
| public String getTypeString() // PR:DMAN4MBJ4D Submitted by:<garyp@firstech.com> change to protected |
| { |
| return m_xstring.getTypeString(); |
| } |
| |
| /** |
| * Cast a string to a number. |
| */ |
| public static double castToNum(String s) |
| { |
| double result; |
| |
| if (null == s) |
| result = 0.0; |
| else |
| { |
| try |
| { |
| |
| /** |
| * TODO: Adjust this for locale. Need to take into |
| * account the lang parameter on the xsl:sort |
| */ |
| |
| // It seems we can not use this as it just parses the |
| // start of the string until it finds a non-number char, |
| // which is not what we want according to the XSLT spec. |
| // Also, I *think* this is a local-specific |
| // parse, which is also not what we want according to the |
| // XSLT spec (see below). |
| // NumberFormat formatter = NumberFormat.getNumberInstance(); |
| // result = formatter.parse(s.trim()).doubleValue(); |
| // The dumb XSLT spec says: "The number function should |
| // not be used for conversion of numeric data occurring |
| // in an element in an XML document unless the element |
| // is of a type that represents numeric data in a |
| // language-neutral format (which would typically be |
| // transformed into a language-specific format for |
| // presentation to a user). In addition, the number |
| // function cannot be used unless the language-neutral |
| // format used by the element is consistent with the |
| // XPath syntax for a Number." |
| // So I guess we need to check, if the default local |
| // is french, does Double.valueOf use the local specific |
| // parse? Or does it use the ieee parse? |
| result = Double.valueOf(s.trim()).doubleValue(); |
| } |
| |
| // catch (ParseException e) |
| catch (NumberFormatException nfe) |
| { |
| result = Double.NaN; |
| } |
| } |
| |
| return result; |
| } |
| |
| /** |
| * Cast result object to a number. |
| */ |
| public double num() |
| { |
| return m_xstring.num(); |
| } |
| |
| /** |
| * Cast result object to a boolean. |
| */ |
| public boolean bool() |
| { |
| return m_xstring.bool(); |
| } |
| |
| /** |
| * Cast result object to a string. |
| */ |
| public String str() |
| { |
| return m_xstring.str(); |
| } |
| |
| /** |
| * Cast result object to a result tree fragment. |
| */ |
| public DocumentFragment rtree(XPathSupport support) |
| { |
| org.apache.xpath.XPathContext context = (org.apache.xpath.XPathContext)support; |
| return m_xstring.rtree(context); |
| //return (DocumentFragment)context.getDTMManager().getDTM(result).getNode(result); |
| } |
| |
| |
| /** |
| * Cast result object to a result tree fragment. |
| * |
| * @param support Xpath context to use for the conversion |
| * |
| * @return A document fragment with this string as a child node |
| */ |
| public DocumentFragment rtree(XPathContext support) |
| { |
| org.apache.xpath.XPathContext context = (org.apache.xpath.XPathContext)support; |
| return m_xstring.rtree(context); |
| //return (DocumentFragment)context.getDTMManager().getDTM(result).getNode(result); |
| } |
| |
| |
| /** |
| * Tell if two objects are functionally equal. |
| */ |
| public boolean equals(XObject obj2) |
| throws org.xml.sax.SAXException |
| { |
| return m_xstring.equals(obj2); |
| } |
| |
| |
| } |