- /*
- * 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 key
- * @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, String 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))
- reportWrongNumberArgs();
- }
-
- /**
- * Constructs and throws a WrongNumberArgException with the appropriate
- * message for this function object.
- *
- * @throws WrongNumberArgsException
- */
- protected void reportWrongNumberArgs() throws WrongNumberArgsException {
- throw new WrongNumberArgsException(XSLMessages.createMessage(XSLTErrorResources.ER_TWO_OR_THREE, null)); //"2 or 3");
- }
- }