| /* |
| * 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 java.util.Vector; |
| |
| import org.apache.xml.utils.QName; |
| import org.apache.xpath.functions.Function; |
| import org.apache.xpath.functions.Function3Args; |
| import org.apache.xpath.XPathContext; |
| import org.apache.xpath.objects.XObject; |
| import org.apache.xpath.objects.XString; |
| import org.apache.xpath.XPath; |
| import org.apache.xpath.Expression; |
| import org.apache.xpath.functions.WrongNumberArgsException; |
| import org.apache.xalan.res.XSLMessages; |
| import org.apache.xalan.res.XSLTErrorResources; |
| |
| import org.w3c.dom.Node; |
| |
| import javax.xml.transform.TransformerException; |
| import javax.xml.transform.ErrorListener; |
| import org.apache.xml.utils.SAXSourceLocator; |
| |
| /** |
| * <meta name="usage" content="advanced"/> |
| * Execute the FormatNumber() function. |
| */ |
| public class FuncFormatNumb extends Function3Args |
| { |
| |
| /** |
| * Execute the function. The function must return |
| * a valid object. |
| * @param xctxt The current execution context. |
| * @return A valid XObject. |
| * |
| * @throws javax.xml.transform.TransformerException |
| */ |
| public XObject execute(XPathContext xctxt) throws javax.xml.transform.TransformerException |
| { |
| |
| // A bit of an ugly hack to get our context. |
| ElemTemplateElement templElem = |
| (ElemTemplateElement) xctxt.getNamespaceContext(); |
| StylesheetRoot ss = templElem.getStylesheetRoot(); |
| java.text.DecimalFormat formatter = null; |
| java.text.DecimalFormatSymbols dfs = null; |
| double num = getArg0().execute(xctxt).num(); |
| String patternStr = getArg1().execute(xctxt).str(); |
| |
| // TODO: what should be the behavior here?? |
| if (patternStr.indexOf(0x00A4) > 0) |
| ss.error(XSLTErrorResources.ER_CURRENCY_SIGN_ILLEGAL); // currency sign not allowed |
| |
| // this third argument is not a locale name. It is the name of a |
| // decimal-format declared in the stylesheet!(xsl:decimal-format |
| try |
| { |
| Expression arg2Expr = getArg2(); |
| |
| if (null != arg2Expr) |
| { |
| String dfName = arg2Expr.execute(xctxt).str(); |
| QName qname = new QName(dfName, xctxt.getNamespaceContext()); |
| |
| dfs = ss.getDecimalFormatComposed(qname); |
| |
| if (null == dfs) |
| { |
| warn(xctxt, XSLTErrorResources.WG_NO_DECIMALFORMAT_DECLARATION, |
| new Object[]{ dfName }); //"not found!!! |
| |
| //formatter = new java.text.DecimalFormat(patternStr); |
| } |
| else |
| { |
| |
| //formatter = new java.text.DecimalFormat(patternStr, dfs); |
| formatter = new java.text.DecimalFormat(); |
| |
| formatter.setDecimalFormatSymbols(dfs); |
| formatter.applyLocalizedPattern(patternStr); |
| } |
| } |
| |
| //else |
| if (null == formatter) |
| { |
| |
| // look for a possible default decimal-format |
| if (ss.getDecimalFormatCount() > 0) |
| dfs = ss.getDecimalFormatComposed(new QName("")); |
| |
| if (dfs != null) |
| { |
| formatter = new java.text.DecimalFormat(); |
| |
| formatter.setDecimalFormatSymbols(dfs); |
| formatter.applyLocalizedPattern(patternStr); |
| } |
| else |
| { |
| dfs = new java.text.DecimalFormatSymbols(java.util.Locale.US); |
| |
| dfs.setInfinity(Constants.ATTRVAL_INFINITY); |
| dfs.setNaN(Constants.ATTRVAL_NAN); |
| |
| formatter = new java.text.DecimalFormat(); |
| |
| formatter.setDecimalFormatSymbols(dfs); |
| |
| if (null != patternStr) |
| formatter.applyLocalizedPattern(patternStr); |
| } |
| } |
| |
| return new XString(formatter.format(num)); |
| } |
| catch (Exception iae) |
| { |
| templElem.error(XSLTErrorResources.ER_MALFORMED_FORMAT_STRING, |
| new Object[]{ patternStr }); |
| |
| return XString.EMPTYSTRING; |
| |
| //throw new XSLProcessorException(iae); |
| } |
| } |
| |
| /** |
| * Warn the user of a problem. |
| * |
| * @param xctxt The XPath runtime state. |
| * @param msg Warning message code |
| * @param args Arguments to be used in warning message |
| * @throws XSLProcessorException thrown if the active ProblemListener and XPathContext decide |
| * the error condition is severe enough to halt processing. |
| * |
| * @throws javax.xml.transform.TransformerException |
| */ |
| public void warn(XPathContext xctxt, int msg, Object args[]) |
| throws javax.xml.transform.TransformerException |
| { |
| |
| String formattedMsg = XSLMessages.createWarning(msg, args); |
| ErrorListener errHandler = xctxt.getErrorListener(); |
| |
| errHandler.warning(new TransformerException(formattedMsg, |
| (SAXSourceLocator)xctxt.getSAXLocator())); |
| } |
| |
| /** |
| * Overide the superclass method to allow one or two arguments. |
| * |
| * |
| * @param argNum Number of arguments passed in |
| * |
| * @throws WrongNumberArgsException |
| */ |
| public void checkNumberArgs(int argNum) throws WrongNumberArgsException |
| { |
| if ((argNum > 3) || (argNum < 2)) |
| throw new WrongNumberArgsException(XSLMessages.createMessage(XSLTErrorResources.ER_TWO_OR_THREE, null)); //"2 or 3"); |
| } |
| } |