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Making sure that times that handle nanos, support the nanos on double…
… and BigDecimal
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60 changes: 60 additions & 0 deletions
60
src/main/java/com/cedarsoftware/util/convert/BigDecimalConversions.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,60 @@ | ||
| package com.cedarsoftware.util.convert; | ||
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|
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| import java.math.BigDecimal; | ||
| import java.math.BigInteger; | ||
| import java.sql.Timestamp; | ||
| import java.time.Instant; | ||
| import java.time.LocalDateTime; | ||
| import java.time.ZonedDateTime; | ||
| import java.util.UUID; | ||
|
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| /** | ||
| * @author John DeRegnaucourt ([email protected]) | ||
| * <br> | ||
| * Copyright (c) Cedar Software LLC | ||
| * <br><br> | ||
| * Licensed 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 | ||
| * <br><br> | ||
| * <a href="http://www.apache.org/licenses/LICENSE-2.0">License</a> | ||
| * <br><br> | ||
| * 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. | ||
| */ | ||
| final class BigDecimalConversions { | ||
| static Instant toInstant(Object from, Converter converter) { | ||
| BigDecimal time = (BigDecimal) from; | ||
| long seconds = time.longValue() / 1000; | ||
| int nanos = time.remainder(BigDecimal.valueOf(1000)).multiply(BigDecimal.valueOf(1_000_000)).intValue(); | ||
| return Instant.ofEpochSecond(seconds, nanos); | ||
| } | ||
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| static LocalDateTime toLocalDateTime(Object from, Converter converter) { | ||
| return toZonedDateTime(from, converter).toLocalDateTime(); | ||
| } | ||
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| static ZonedDateTime toZonedDateTime(Object from, Converter converter) { | ||
| return toInstant(from, converter).atZone(converter.getOptions().getZoneId()); | ||
| } | ||
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| static Timestamp toTimestamp(Object from, Converter converter) { | ||
| return Timestamp.from(toInstant(from, converter)); | ||
| } | ||
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| static BigInteger toBigInteger(Object from, Converter converter) { | ||
| return ((BigDecimal)from).toBigInteger(); | ||
| } | ||
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| static String toString(Object from, Converter converter) { | ||
| return ((BigDecimal) from).stripTrailingZeros().toPlainString(); | ||
| } | ||
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| static UUID toUUID(Object from, Converter converter) { | ||
| BigInteger bigInt = ((BigDecimal) from).toBigInteger(); | ||
| return BigIntegerConversions.toUUID(bigInt, converter); | ||
| } | ||
| } |
55 changes: 55 additions & 0 deletions
55
src/main/java/com/cedarsoftware/util/convert/BigIntegerConversions.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,55 @@ | ||
| package com.cedarsoftware.util.convert; | ||
|
|
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| import java.math.BigDecimal; | ||
| import java.math.BigInteger; | ||
| import java.util.UUID; | ||
|
|
||
| /** | ||
| * @author John DeRegnaucourt ([email protected]) | ||
| * <br> | ||
| * Copyright (c) Cedar Software LLC | ||
| * <br><br> | ||
| * Licensed 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 | ||
| * <br><br> | ||
| * <a href="http://www.apache.org/licenses/LICENSE-2.0">License</a> | ||
| * <br><br> | ||
| * 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. | ||
| */ | ||
| final class BigIntegerConversions { | ||
| static BigDecimal toBigDecimal(Object from, Converter converter) { | ||
| return new BigDecimal((BigInteger)from); | ||
| } | ||
|
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| static UUID toUUID(Object from, Converter converter) { | ||
| BigInteger bigInteger = (BigInteger) from; | ||
| if (bigInteger.signum() < 0) { | ||
| throw new IllegalArgumentException("Cannot convert a negative number [" + bigInteger + "] to a UUID"); | ||
| } | ||
| StringBuilder hex = new StringBuilder(bigInteger.toString(16)); | ||
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| // Pad the string to 32 characters with leading zeros (if necessary) | ||
| while (hex.length() < 32) { | ||
| hex.insert(0, "0"); | ||
| } | ||
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| // Split into two 64-bit parts | ||
| String highBitsHex = hex.substring(0, 16); | ||
| String lowBitsHex = hex.substring(16, 32); | ||
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| // Combine and format into standard UUID format | ||
| String uuidString = highBitsHex.substring(0, 8) + "-" + | ||
| highBitsHex.substring(8, 12) + "-" + | ||
| highBitsHex.substring(12, 16) + "-" + | ||
| lowBitsHex.substring(0, 4) + "-" + | ||
| lowBitsHex.substring(4, 16); | ||
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| // Create UUID from string | ||
| return UUID.fromString(uuidString); | ||
| } | ||
| } |
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51 changes: 51 additions & 0 deletions
51
src/main/java/com/cedarsoftware/util/convert/DoubleConversions.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,51 @@ | ||
| package com.cedarsoftware.util.convert; | ||
|
|
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| import java.sql.Timestamp; | ||
| import java.time.Instant; | ||
| import java.time.LocalDateTime; | ||
| import java.time.ZonedDateTime; | ||
|
|
||
| /** | ||
| * @author John DeRegnaucourt ([email protected]) | ||
| * <br> | ||
| * Copyright (c) Cedar Software LLC | ||
| * <br><br> | ||
| * Licensed 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 | ||
| * <br><br> | ||
| * <a href="http://www.apache.org/licenses/LICENSE-2.0">License</a> | ||
| * <br><br> | ||
| * 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. | ||
| */ | ||
| final class DoubleConversions { | ||
| private DoubleConversions() { } | ||
|
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| static Instant toInstant(Object from, Converter converter) { | ||
| double d = (Double) from; | ||
| long seconds = (long) d / 1000; | ||
| int nanoAdjustment = (int) ((d - seconds * 1000) * 1_000_000); | ||
| return Instant.ofEpochSecond(seconds, nanoAdjustment); | ||
| } | ||
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| static LocalDateTime toLocalDateTime(Object from, Converter converter) { | ||
| return toZonedDateTime(from, converter).toLocalDateTime(); | ||
| } | ||
|
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| static ZonedDateTime toZonedDateTime(Object from, Converter converter) { | ||
| return toInstant(from, converter).atZone(converter.getOptions().getZoneId()); | ||
| } | ||
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| static Timestamp toTimestamp(Object from, Converter converter) { | ||
| double milliseconds = (Double) from; | ||
| long millisPart = (long) milliseconds; | ||
| int nanosPart = (int) ((milliseconds - millisPart) * 1_000_000); | ||
| Timestamp timestamp = new Timestamp(millisPart); | ||
| timestamp.setNanos(timestamp.getNanos() + nanosPart); | ||
| return timestamp; | ||
| } | ||
| } |
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