| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.vxquery.runtime.functions.cast; |
| |
| import java.io.DataOutput; |
| import java.io.IOException; |
| |
| import org.apache.vxquery.datamodel.accessors.atomic.XSDurationPointable; |
| import org.apache.vxquery.datamodel.values.ValueTag; |
| import org.apache.vxquery.exceptions.ErrorCode; |
| import org.apache.vxquery.exceptions.SystemException; |
| import org.apache.vxquery.runtime.functions.strings.ICharacterIterator; |
| import org.apache.vxquery.runtime.functions.strings.UTF8StringCharacterIterator; |
| |
| import org.apache.hyracks.data.std.primitive.IntegerPointable; |
| import org.apache.hyracks.data.std.primitive.LongPointable; |
| import org.apache.hyracks.data.std.primitive.UTF8StringPointable; |
| |
| public class CastToYMDurationOperation extends AbstractCastToOperation { |
| |
| @Override |
| public void convertDTDuration(LongPointable longp, DataOutput dOut) throws SystemException, IOException { |
| dOut.write(ValueTag.XS_YEAR_MONTH_DURATION_TAG); |
| dOut.writeInt(0); |
| } |
| |
| @Override |
| public void convertDuration(XSDurationPointable durationp, DataOutput dOut) throws SystemException, IOException { |
| dOut.write(ValueTag.XS_YEAR_MONTH_DURATION_TAG); |
| dOut.writeInt(durationp.getYearMonth()); |
| } |
| |
| @Override |
| public void convertString(UTF8StringPointable stringp, DataOutput dOut) throws SystemException, IOException { |
| ICharacterIterator charIterator = new UTF8StringCharacterIterator(stringp); |
| charIterator.reset(); |
| |
| int value = 0; |
| long year = 0, month = 0; |
| long negativeResult = 1; |
| |
| // First character |
| int c = charIterator.next(); |
| if (c == Character.valueOf('-')) { |
| negativeResult = -1; |
| c = charIterator.next(); |
| } |
| if (c != Character.valueOf('P')) { |
| // Invalid duration format. |
| throw new SystemException(ErrorCode.FORG0001); |
| } |
| |
| while ((c = charIterator.next()) != ICharacterIterator.EOS_CHAR) { |
| if (Character.isDigit(c)) { |
| value = value * 10 + Character.getNumericValue(c); |
| } else if (c == Character.valueOf('Y')) { |
| year = value; |
| value = 0; |
| } else if (c == Character.valueOf('M')) { |
| month = value; |
| value = 0; |
| } else { |
| // Invalid duration format. |
| throw new SystemException(ErrorCode.FORG0001); |
| } |
| } |
| |
| long yearMonth = year * 12 + month; |
| dOut.write(ValueTag.XS_YEAR_MONTH_DURATION_TAG); |
| dOut.writeInt((int) (negativeResult * yearMonth)); |
| } |
| |
| @Override |
| public void convertUntypedAtomic(UTF8StringPointable stringp, DataOutput dOut) throws SystemException, IOException { |
| convertString(stringp, dOut); |
| } |
| |
| @Override |
| public void convertYMDuration(IntegerPointable intp, DataOutput dOut) throws SystemException, IOException { |
| dOut.write(ValueTag.XS_YEAR_MONTH_DURATION_TAG); |
| dOut.write(intp.getByteArray(), intp.getStartOffset(), intp.getLength()); |
| } |
| |
| } |