| /******************************************************************************* |
| * Copyright (c) 2005, 2009 Andrea Bittau, University College London, and others |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Andrea Bittau - initial API and implementation from the PsychoPath XPath 2.0 |
| * David Carver - bug 277774 - XSDecimal returing wrong values. |
| *******************************************************************************/ |
| |
| package org.eclipse.wst.xml.xpath2.processor.internal.function; |
| |
| import org.eclipse.wst.xml.xpath2.processor.DynamicError; |
| import org.eclipse.wst.xml.xpath2.processor.ResultSequence; |
| import org.eclipse.wst.xml.xpath2.processor.ResultSequenceFactory; |
| import org.eclipse.wst.xml.xpath2.processor.internal.*; |
| import org.eclipse.wst.xml.xpath2.processor.internal.types.*; |
| |
| import java.math.BigDecimal; |
| import java.util.*; |
| |
| /** |
| * Returns an xs:decimal value between 0 and 60.999..., both inclusive, |
| * representing the seconds and fractional seconds in the localized value of |
| * $arg. Note that the value can be greater than 60 seconds to accommodate |
| * occasional leap seconds used to keep human time synchronized with the |
| * rotation of the planet. If $arg is the empty sequence, returns the empty |
| * sequence. |
| */ |
| public class FnSecondsFromTime extends Function { |
| private static Collection _expected_args = null; |
| |
| /** |
| * Constructor for FnSecondsFromTime. |
| */ |
| public FnSecondsFromTime() { |
| super(new QName("seconds-from-time"), 1); |
| } |
| |
| /** |
| * Evaluate arguments. |
| * |
| * @param args |
| * argument expressions. |
| * @throws DynamicError |
| * Dynamic error. |
| * @return Result of evaluation. |
| */ |
| @Override |
| public ResultSequence evaluate(Collection args) throws DynamicError { |
| return seconds_from_time(args); |
| } |
| |
| /** |
| * Base-Uri operation. |
| * |
| * @param args |
| * Result from the expressions evaluation. |
| * @throws DynamicError |
| * Dynamic error. |
| * @return Result of fn:base-uri operation. |
| */ |
| public static ResultSequence seconds_from_time(Collection args) |
| throws DynamicError { |
| Collection cargs = Function.convert_arguments(args, expected_args()); |
| |
| ResultSequence arg1 = (ResultSequence) cargs.iterator().next(); |
| |
| ResultSequence rs = ResultSequenceFactory.create_new(); |
| |
| if (arg1.empty()) { |
| return rs; |
| } |
| |
| XSTime dt = (XSTime) arg1.first(); |
| |
| double res = dt.second(); |
| |
| rs.add(new XSDecimal(BigDecimal.valueOf(res))); |
| |
| return rs; |
| } |
| |
| /** |
| * Obtain a list of expected arguments. |
| * |
| * @return Result of operation. |
| */ |
| public synchronized static Collection expected_args() { |
| if (_expected_args == null) { |
| _expected_args = new ArrayList(); |
| _expected_args.add(new SeqType(new XSTime(), SeqType.OCC_QMARK)); |
| } |
| |
| return _expected_args; |
| } |
| } |