| /* |
| * 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.xpath.operations; |
| |
| import javax.xml.transform.TransformerException; |
| |
| import org.apache.xml.dtm.XType; |
| import org.apache.xml.utils.DateTimeObj; |
| import org.apache.xml.utils.Duration; |
| import org.apache.xpath.XPathContext; |
| import org.apache.xpath.objects.XDate; |
| import org.apache.xpath.objects.XDateTime; |
| import org.apache.xpath.objects.XDouble; |
| import org.apache.xpath.objects.XDuration; |
| import org.apache.xpath.objects.XFloat; |
| import org.apache.xpath.objects.XInteger; |
| import org.apache.xpath.objects.XObject; |
| import org.apache.xpath.objects.XTime; |
| |
| /** |
| * The '+' operation expression executer. |
| */ |
| public class Add extends OperationNormalized |
| { |
| static OpFuncLookupTable m_funcs; |
| { |
| m_funcs = new OpFuncLookupTable(); |
| m_funcs.setFunc(XType.DOUBLE, new GenericOpFunc() |
| { |
| public XObject operate(XPathContext xctxt, XObject lhs, XObject rhs) |
| throws TransformerException |
| { |
| return new XDouble(lhs.num() + rhs.num()); |
| } |
| }); |
| m_funcs.setFunc(XType.FLOAT, new GenericOpFunc() |
| { |
| public XObject operate(XPathContext xctxt, XObject lhs, XObject rhs) |
| throws TransformerException |
| { |
| return new XFloat(lhs.floatVal() + rhs.floatVal()); |
| } |
| }); |
| m_funcs.setFunc(XType.INTEGER, new GenericOpFunc() |
| { |
| public XObject operate(XPathContext xctxt, XObject lhs, XObject rhs) |
| throws TransformerException |
| { |
| return new XInteger(lhs.integer() + rhs.integer()); |
| } |
| }); |
| m_funcs.setFunc(XType.DECIMAL, NOTSUPPORTED); |
| |
| m_funcs.setFunc(XType.DURATION, new GenericOpFunc() |
| { |
| public XObject operate(XPathContext xctxt, XObject lhs, XObject rhs) |
| throws TransformerException |
| { |
| Duration duration1 = lhs.duration(); |
| // The normalizer should make sure the second argument is always |
| // a duration! |
| Duration duration2 = rhs.duration(); |
| Duration du = duration1.addDTDuration(duration2); |
| return new XDuration(du); |
| } |
| }); |
| m_funcs.setFunc(XType.DAYTIMEDURATION, new GenericOpFunc() |
| { |
| public XObject operate(XPathContext xctxt, XObject lhs, XObject rhs) |
| throws TransformerException |
| { |
| Duration duration1 = lhs.duration(); |
| int rhsVT = rhs.getValueType(); |
| if(XType.DATETIME == rhsVT || XType.DATE == rhsVT) |
| { |
| DateTimeObj dt = rhs.datetime(); |
| DateTimeObj dateTime = dt.addDTDurationToDateTime(duration1); |
| return new XDateTime(dateTime); |
| } |
| if(XType.DATE == rhsVT) |
| { |
| DateTimeObj dt = rhs.date(); |
| DateTimeObj dateTime = dt.addDTDurationToDate(duration1); |
| return new XDateTime(dateTime); |
| } |
| if(XType.TIME == rhsVT) |
| { |
| DateTimeObj dt = rhs.time(); |
| DateTimeObj dateTime = dt.addDTDurationToTime(duration1); |
| return new XDateTime(dateTime); |
| } |
| else |
| { |
| // The normalizer should make sure the second argument is always |
| // a duration! |
| Duration duration2 = rhs.duration(); |
| Duration du = duration1.addDTDuration(duration2); |
| return new XDuration(du); |
| } |
| } |
| }); |
| m_funcs.setFunc(XType.YEARMONTHDURATION, new GenericOpFunc() |
| { |
| public XObject operate(XPathContext xctxt, XObject lhs, XObject rhs) |
| throws TransformerException |
| { |
| Duration duration1 = lhs.duration(); |
| int rhsVT = rhs.getValueType(); |
| if(XType.DATETIME == rhsVT || XType.DATE == rhsVT) |
| { |
| DateTimeObj dt = rhs.datetime(); |
| DateTimeObj dateTime = dt.addYMDurationToDateTime(duration1); |
| return new XDateTime(dateTime); |
| } |
| if(XType.DATE == rhsVT) |
| { |
| DateTimeObj dt = rhs.date(); |
| DateTimeObj dateTime = dt.addYMDurationToDate(duration1); |
| return new XDateTime(dateTime); |
| } |
| else |
| { |
| // The normalizer should make sure the second argument is always |
| // a duration! |
| Duration duration2 = rhs.duration(); |
| Duration du = duration1.addYMDuration(duration2); |
| return new XDuration(du); |
| } |
| } |
| }); |
| |
| m_funcs.setFunc(XType.DATETIME, new GenericOpFunc() |
| { |
| public XObject operate(XPathContext xctxt, XObject lhs, XObject rhs) |
| throws TransformerException |
| { |
| DateTimeObj dt = lhs.datetime(); |
| int rhsVT = rhs.getValueType(); |
| if(XType.DURATION == rhsVT) |
| { |
| // The normalizer should |
| Duration duration2 = rhs.duration(); |
| DateTimeObj du = dt.addYMDurationToDateTime(duration2); |
| du = du.addDTDurationToDateTime(duration2); |
| return new XDateTime(du); |
| } |
| if( XType.DAYTIMEDURATION == rhsVT) |
| { |
| // The normalizer should |
| Duration duration2 = rhs.duration(); |
| DateTimeObj du = dt.addDTDurationToDateTime(duration2); |
| return new XDateTime(du); |
| } |
| else //if(XType.YEARMONTHDURATION == rhsVT) |
| { |
| Duration duration2 = rhs.duration(); |
| DateTimeObj du = dt.addYMDurationToDateTime(duration2); |
| return new XDateTime(du); |
| } |
| } |
| }); |
| m_funcs.setFunc(XType.TIME, new GenericOpFunc() |
| { |
| public XObject operate(XPathContext xctxt, XObject lhs, XObject rhs) |
| throws TransformerException |
| { |
| DateTimeObj oldTime = lhs.time(); |
| // The normalizer should |
| Duration duration2 = rhs.duration(); |
| DateTimeObj newTime = oldTime.addDTDurationToTime(duration2); |
| return new XTime(newTime); |
| } |
| }); |
| m_funcs.setFunc(XType.DATE, new GenericOpFunc() |
| { |
| public XObject operate(XPathContext xctxt, XObject lhs, XObject rhs) |
| throws TransformerException |
| { |
| DateTimeObj dt = lhs.date(); |
| int rhsVT = rhs.getValueType(); |
| if(XType.DURATION == rhsVT |
| || XType.DAYTIMEDURATION == rhsVT) |
| { |
| // The normalizer should |
| Duration duration2 = rhs.duration(); |
| DateTimeObj newDate = dt.addDTDurationToDate(duration2); |
| return new XDate(newDate); |
| } |
| else //if(XType.YEARMONTHDURATION == rhsVT) |
| { |
| Duration duration2 = rhs.duration(); |
| DateTimeObj newDate = dt.addYMDurationToDate(duration2); |
| return new XDate(newDate); |
| } |
| } |
| }); |
| m_funcs.setFunc(XType.GYEARMONTH, NOTSUPPORTED); |
| m_funcs.setFunc(XType.GYEAR, NOTSUPPORTED); |
| m_funcs.setFunc(XType.GMONTHDAY, NOTSUPPORTED); |
| m_funcs.setFunc(XType.GDAY, NOTSUPPORTED); |
| m_funcs.setFunc(XType.GMONTH, NOTSUPPORTED); |
| |
| m_funcs.setFunc(XType.BOOLEAN, NOTSUPPORTED); |
| m_funcs.setFunc(XType.STRING, NOTSUPPORTED); |
| m_funcs.setFunc(XType.BASE64BINARY, NOTSUPPORTED); |
| m_funcs.setFunc(XType.HEXBINARY, NOTSUPPORTED); |
| m_funcs.setFunc(XType.ANYURI, NOTSUPPORTED); |
| m_funcs.setFunc(XType.QNAME, NOTSUPPORTED); |
| m_funcs.setFunc(XType.NOTATION, NOTSUPPORTED); |
| } |
| |
| /** |
| * @see org.apache.xpath.operations.Operation#getLookupTable() |
| */ |
| public OpFuncLookupTable getLookupTable() |
| { |
| return m_funcs; |
| } |
| |
| } |