| /******************************************************************************* |
| * 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.olingo.odata2.core.edm; |
| |
| import java.sql.Time; |
| import java.sql.Timestamp; |
| import java.util.Calendar; |
| import java.util.Date; |
| import java.util.TimeZone; |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| |
| import org.apache.olingo.odata2.api.edm.EdmFacets; |
| import org.apache.olingo.odata2.api.edm.EdmLiteralKind; |
| import org.apache.olingo.odata2.api.edm.EdmSimpleTypeException; |
| |
| /** |
| * <p>Implementation of the EDM simple type Time.</p> |
| * <p>Arguably, this type is intended to represent a time of day, not an instance in time. |
| * The time value is interpreted and formatted as local time.</p> |
| * <p>Formatting simply ignores the year, month, and day parts of time instances. |
| * Parsing returns a Calendar object where all unused fields have been cleared.</p> |
| * |
| */ |
| public class EdmTime extends AbstractSimpleType { |
| |
| private static final Pattern PATTERN = Pattern.compile( |
| "PT(?:(\\p{Digit}{1,2})H)?(?:(\\p{Digit}{1,4})M)?(?:(\\p{Digit}{1,5})(?:\\.(\\p{Digit}+?)0*)?S)?"); |
| private static final EdmTime instance = new EdmTime(); |
| private static final TimeZone TIME_ZONE_GMT = TimeZone.getTimeZone("GMT"); |
| |
| public static EdmTime getInstance() { |
| return instance; |
| } |
| |
| @Override |
| public Class<?> getDefaultType() { |
| return Calendar.class; |
| } |
| |
| @Override |
| protected <T> T internalValueOfString(final String value, final EdmLiteralKind literalKind, final EdmFacets facets, |
| final Class<T> returnType) throws EdmSimpleTypeException { |
| |
| //OLINGO-883 prefix is case insensitve so we need to check with lower case if we want to use startsWith() |
| if (literalKind == EdmLiteralKind.URI |
| && (value.length() <= 6 || !value.toLowerCase().startsWith("time'") || !value.endsWith("'"))) { |
| throw new EdmSimpleTypeException(EdmSimpleTypeException.LITERAL_ILLEGAL_CONTENT.addContent(value)); |
| } |
| |
| final Matcher matcher = PATTERN.matcher( |
| literalKind == EdmLiteralKind.URI ? value.substring(5, value.length() - 1) : value); |
| if (!matcher.matches() |
| || (matcher.group(1) == null && matcher.group(2) == null && matcher.group(3) == null)) { |
| throw new EdmSimpleTypeException(EdmSimpleTypeException.LITERAL_ILLEGAL_CONTENT.addContent(value)); |
| } |
| |
| Calendar dateTimeValue = Calendar.getInstance(); |
| dateTimeValue.clear(); |
| |
| dateTimeValue.set(Calendar.HOUR_OF_DAY, |
| matcher.group(1) == null ? 0 : Integer.parseInt(matcher.group(1))); |
| dateTimeValue.set(Calendar.MINUTE, |
| matcher.group(2) == null ? 0 : Integer.parseInt(matcher.group(2))); |
| dateTimeValue.set(Calendar.SECOND, |
| matcher.group(3) == null ? 0 : Integer.parseInt(matcher.group(3))); |
| |
| int nanoSeconds = 0; |
| if (matcher.group(4) != null) { |
| final String decimals = matcher.group(4); |
| if (facets == null || facets.getPrecision() == null || facets.getPrecision() >= decimals.length()) { |
| nanoSeconds = Integer.parseInt(decimals + "000000000".substring(decimals.length())); |
| if (!(returnType.isAssignableFrom(Timestamp.class))) { |
| if (nanoSeconds % (1000 * 1000) == 0) { |
| dateTimeValue.set(Calendar.MILLISECOND, nanoSeconds / (1000 * 1000)); |
| } else { |
| throw new EdmSimpleTypeException(EdmSimpleTypeException.LITERAL_ILLEGAL_CONTENT.addContent(value)); |
| } |
| } |
| } else { |
| throw new EdmSimpleTypeException(EdmSimpleTypeException.LITERAL_FACETS_NOT_MATCHED.addContent(value, facets)); |
| } |
| } |
| |
| if (dateTimeValue.get(Calendar.DAY_OF_YEAR) != 1) { |
| throw new EdmSimpleTypeException(EdmSimpleTypeException.LITERAL_ILLEGAL_CONTENT.addContent(value)); |
| } |
| |
| if (returnType.isAssignableFrom(Calendar.class)) { |
| return returnType.cast(dateTimeValue); |
| } else if (returnType.isAssignableFrom(Long.class)) { |
| return returnType.cast(dateTimeValue.getTimeInMillis()); |
| } else if (returnType.isAssignableFrom(Date.class)) { |
| return returnType.cast(dateTimeValue.getTime()); |
| } else if (returnType.isAssignableFrom(Time.class)) { |
| return returnType.cast(new Time(dateTimeValue.getTimeInMillis())); |
| } else if (returnType.isAssignableFrom(Timestamp.class)) { |
| Timestamp timestamp = new Timestamp(dateTimeValue.getTimeInMillis()); |
| timestamp.setNanos(nanoSeconds); |
| return returnType.cast(timestamp); |
| } else { |
| throw new EdmSimpleTypeException(EdmSimpleTypeException.VALUE_TYPE_NOT_SUPPORTED.addContent(returnType)); |
| } |
| } |
| |
| @Override |
| protected <T> String internalValueToString(final T value, final EdmLiteralKind literalKind, final EdmFacets facets) |
| throws EdmSimpleTypeException { |
| Calendar dateTimeValue; |
| if (value instanceof Date) { |
| dateTimeValue = Calendar.getInstance(); |
| dateTimeValue.clear(); |
| dateTimeValue.setTime((Date) value); |
| } else if (value instanceof Calendar) { |
| dateTimeValue = (Calendar) ((Calendar) value).clone(); |
| } else if (value instanceof Long) { |
| dateTimeValue = Calendar.getInstance(TIME_ZONE_GMT); |
| dateTimeValue.clear(); |
| dateTimeValue.setTimeInMillis((Long) value); |
| } else { |
| throw new EdmSimpleTypeException(EdmSimpleTypeException.VALUE_TYPE_NOT_SUPPORTED.addContent(value.getClass())); |
| } |
| |
| StringBuilder result = new StringBuilder(21); // 21 characters are enough for nanosecond precision. |
| result.append('P'); |
| result.append('T'); |
| result.append(dateTimeValue.get(Calendar.HOUR_OF_DAY)); |
| result.append('H'); |
| result.append(dateTimeValue.get(Calendar.MINUTE)); |
| result.append('M'); |
| result.append(dateTimeValue.get(Calendar.SECOND)); |
| |
| final int fractionalSecs = value instanceof Timestamp ? |
| ((Timestamp) value).getNanos() : |
| dateTimeValue.get(Calendar.MILLISECOND); |
| try { |
| EdmDateTime.appendFractionalSeconds(result, fractionalSecs, value instanceof Timestamp, facets); |
| } catch (final IllegalArgumentException e) { |
| throw new EdmSimpleTypeException(EdmSimpleTypeException.VALUE_FACETS_NOT_MATCHED.addContent(value, facets), e); |
| } |
| |
| result.append('S'); |
| |
| return result.toString(); |
| } |
| |
| @Override |
| public String toUriLiteral(final String literal) { |
| return "time'" + literal + "'"; |
| } |
| } |