Examples of javax.xml.xpath.XPathFunctionException

javax.xml.xpath.XPathFunctionException
XPathFunctionException represents an error with an XPath function.
@author Norman Walsh @author Jeff Suttor @version $Revision: 226183 $, $Date: 2005-04-08 06:39:14 -0400 (Fri, 08 Apr 2005) $ @since 1.5

                            try {
                                // use the property placeholder resolver to lookup the property for us
                                Object answer = exchange.get().getContext().resolvePropertyPlaceholders("{{" + text + "}}");
                                return answer;
                            } catch (Exception e) {
                                throw new XPathFunctionException(e);
                            }
                        }
                    }
                    return null;
                }

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            // throw XPathFunctionException
            if ( extensionInvocationDisabled ) {
                String fmsg = XSLMessages.createXPATHMessage(
                    XPATHErrorResources.ER_EXTENSION_FUNCTION_CANNOT_BE_INVOKED,
                    new Object[] { myQName.toString() } );
                throw new XPathFunctionException ( fmsg );
            }


            // Assuming user is passing all the needed parameters ( including
            // default values )
            int arity = argVec.size();

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            // feature is set then invocation of extension functions need to
            // throw XPathFunctionException
            if ( extensionInvocationDisabled ) {
                String fmsg = XSLMessages.createXPATHMessage(
                    XPATHErrorResources.ER_EXTENSION_FUNCTION_CANNOT_BE_INVOKED,                    new Object[] { myQName.toString() } );
                throw new XPathFunctionException ( fmsg );
            }


            XPathFunction xpathFunction =
                resolver.resolveFunction( myQName, arity );

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                        try {
                            // use the property placeholder resolver to lookup the property for us
                            Object answer = exchange.get().getContext().resolvePropertyPlaceholders("{{" + text + "}}");
                            return answer;
                        } catch (Exception e) {
                            throw new XPathFunctionException(e);
                        }
                    }
                }
                return null;
            }

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                            try {
                                // use the property placeholder resolver to lookup the property for us
                                Object answer = exchange.get().getContext().resolvePropertyPlaceholders("{{" + text + "}}");
                                return answer;
                            } catch (Exception e) {
                                throw new XPathFunctionException(e);
                            }
                        }
                    }
                    return null;
                }

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                            try {
                                // use the property placeholder resolver to lookup the property for us
                                Object answer = exchange.get().getContext().resolvePropertyPlaceholders("{{" + text + "}}");
                                return answer;
                            } catch (Exception e) {
                                throw new XPathFunctionException(e);
                            }
                        }
                    }
                    return null;
                }

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                        try {
                            // use the property placeholder resolver to lookup the property for us
                            Object answer = exchange.get().getContext().resolvePropertyPlaceholders("{{" + text + "}}");
                            return answer;
                        } catch (Exception e) {
                            throw new XPathFunctionException(e);
                        }
                    }
                }
                return null;
            }

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                            try {
                                // use the property placeholder resolver to lookup the property for us
                                Object answer = exchange.get().getContext().resolvePropertyPlaceholders("{{" + text + "}}");
                                return answer;
                            } catch (Exception e) {
                                throw new XPathFunctionException(e);
                            }
                        }
                    }
                    return null;
                }

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    }


    public class ProcessProperty implements XPathFunction {
        public Object evaluate(List args) throws XPathFunctionException {
            if (args.size() != 1)
                throw new XPathFunctionException(new FaultException(new QName(Namespaces.ODE_EXTENSION_NS, "processPropertyInvalidSource"), "Invalid arguments"));


            if (__log.isDebugEnabled()) {
                __log.debug("process-property call(context=" + _ectx + " args=" + args + ")");
            }


            QName propertyName = null;
            Element targetElmt = null;
            try {
                if (args.get(0) instanceof List) {
                    List elmts = (List) args.get(0);
                    if (elmts.size() != 1) throw new XPathFunctionException(
                            new FaultException(_oxpath.getOwner().constants.qnSelectionFailure,
                                    "The bpws:process-property function MUST be passed a single " +
                                            "element node."));
                    if (elmts.get(0) instanceof Element) {
                        targetElmt = (Element) elmts.get(0);
                    } else if (elmts.get(0) instanceof String) {
                        propertyName = new QName((String) elmts.get(0));
                    }
                } else if (args.get(0) instanceof NodeWrapper) {
                    targetElmt = (Element) ((NodeWrapper) args.get(0)).getUnderlyingNode();
                } else if (args.get(0) instanceof Element) {
                    targetElmt = (Element) args.get(0);
                } else if (args.get(0) instanceof QNameValue) {
                    QNameValue qNameValue = (QNameValue) args.get(0);
                    propertyName = new QName(qNameValue.getNamespaceURI(), qNameValue.getLocalName(), qNameValue.getPrefix());
                } else if (args.get(0) instanceof String)  {
                    String stringValue = (String) args.get(0);
                    if (stringValue.indexOf(":") > 0) {
                        String prefix = stringValue.substring(0, stringValue.indexOf(":"));
                        String localPart = stringValue.substring(stringValue.indexOf(":") + 1);
                        String namespaceUri = _oxpath.namespaceCtx.getNamespaceURI(prefix);
                        propertyName = new QName(namespaceUri, localPart, prefix);
                    } else {
                        propertyName = new QName(stringValue);
                    }
                } else if (args.get(0) instanceof QName) {
                    propertyName = (QName) args.get(0);
                } else {
                    throw new XPathFunctionException("Unexpected argument type: "+args.get(0).getClass());
                }
                if (propertyName == null) {
                    if (targetElmt != null) {
                        propertyName = new QName(targetElmt.getTextContent());
                    }
                }
            } catch (IllegalArgumentException e) {
                throw new XPathFunctionException(
                        new FaultException(_oxpath.getOwner().constants.qnInvalidExpressionValue,
                                "Invalid argument: URI Template expected. " + args.get(0), e));
            } catch (ClassCastException e) {
                throw new XPathFunctionException(
                        new FaultException(_oxpath.getOwner().constants.qnSelectionFailure,
                                "The bpws:process-property function MUST be passed a single " +
                                        "element node."));
            }
            return _ectx.getPropertyValue(propertyName);

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    }


    public class DayTimeDuration implements XPathFunction {
        public Object evaluate(List args) throws XPathFunctionException {
            if (args.size() != 1)
                throw new XPathFunctionException(new FaultException(new QName(Namespaces.ODE_EXTENSION_NS, "dayTimeDurationPropertyInvalidSource"), "Invalid arguments"));


            if (__log.isDebugEnabled()) {
                __log.debug("dayTimeDuration call(context=" + _ectx + " args=" + args + ")");
            }


            String argument = null;
            Element targetElmt = null;
            try {
                if (args.get(0) instanceof List) {
                    List elmts = (List) args.get(0);
                    if (elmts.size() != 1) throw new XPathFunctionException(
                            new FaultException(_oxpath.getOwner().constants.qnSelectionFailure,
                                    "The bpws:dayTimeDuration function MUST be passed a single " +
                                            "element node."));
                    if (elmts.get(0) instanceof Element) {
                        targetElmt = (Element) elmts.get(0);
                    } else if (elmts.get(0) instanceof String) {
                        argument = (String) elmts.get(0);
                    }
                } else if (args.get(0) instanceof NodeWrapper) {
                    targetElmt = (Element) ((NodeWrapper) args.get(0)).getUnderlyingNode();
                } else if (args.get(0) instanceof Element) {
                    targetElmt = (Element) args.get(0);
                } else if (args.get(0) instanceof String)  {
                    argument = (String) args.get(0);
                } else {
                    throw new XPathFunctionException("Unexpected argument type: "+args.get(0).getClass());
                }
                if (argument == null) {
                    if (targetElmt != null) {
                        argument = targetElmt.getTextContent();
                    }
                }
            } catch (IllegalArgumentException e) {
                throw new XPathFunctionException(
                        new FaultException(_oxpath.getOwner().constants.qnInvalidExpressionValue,
                                "Invalid argument: URI Template expected. " + args.get(0), e));
            } catch (ClassCastException e) {
                throw new XPathFunctionException(
                        new FaultException(_oxpath.getOwner().constants.qnSelectionFailure,
                                "The bpws:dayTimeDuration function MUST be passed a single " +
                                        "element node."));
            }
            return DayTimeDurationValue.makeDayTimeDurationValue(argument);

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