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adding codecs for multiple java 8 data types - pgjdbcgh-591
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src/main/java/io/r2dbc/postgresql/codec/DayOfWeekCodec.java
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| /* | ||
| * Copyright 2017 the original author or authors. | ||
| * | ||
| * 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 | ||
| * | ||
| * https://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. | ||
| */ | ||
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| package io.r2dbc.postgresql.codec; | ||
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| import io.netty.buffer.ByteBufAllocator; | ||
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| import java.time.DayOfWeek; | ||
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| final class DayOfWeekCodec extends IntegerCodecDelegate<DayOfWeek> { | ||
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| DayOfWeekCodec(ByteBufAllocator byteBufAllocator) { | ||
| super(DayOfWeek.class, byteBufAllocator, DayOfWeek::getValue, DayOfWeek::of); | ||
| } | ||
| } |
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src/main/java/io/r2dbc/postgresql/codec/IntegerCodecDelegate.java
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| /* | ||
| * Copyright 2017 the original author or authors. | ||
| * | ||
| * 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 | ||
| * | ||
| * https://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. | ||
| */ | ||
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| package io.r2dbc.postgresql.codec; | ||
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| import io.netty.buffer.ByteBuf; | ||
| import io.netty.buffer.ByteBufAllocator; | ||
| import io.r2dbc.postgresql.client.EncodedParameter; | ||
| import io.r2dbc.postgresql.message.Format; | ||
| import io.r2dbc.postgresql.util.Assert; | ||
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| import java.util.function.Function; | ||
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| class IntegerCodecDelegate<T> extends AbstractCodec<T> { | ||
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| private final IntegerCodec delegate; | ||
| private final Function<T, Integer> toIntegerConverter; | ||
| private final Function<Integer, T> fromIntegerConverter; | ||
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| IntegerCodecDelegate(Class<T> type, ByteBufAllocator byteBufAllocator, Function<T,Integer> toIntegerConverter, Function<Integer, T> fromIntegerConverter) { | ||
| super(type); | ||
| this.delegate = new IntegerCodec(byteBufAllocator); | ||
| this.toIntegerConverter = toIntegerConverter; | ||
| this.fromIntegerConverter = fromIntegerConverter; | ||
| } | ||
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| @Override | ||
| boolean doCanDecode(PostgresqlObjectId type, Format format) { | ||
| return delegate.doCanDecode(type, format); | ||
| } | ||
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| @Override | ||
| T doDecode(ByteBuf buffer, PostgresTypeIdentifier dataType, Format format, Class<? extends T> type) { | ||
| final Integer number = delegate.doDecode(buffer, dataType, format, Integer.TYPE); | ||
| return fromIntegerConverter.apply(number); | ||
| } | ||
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| @Override | ||
| EncodedParameter doEncode(T value) { | ||
| Assert.requireNonNull(value, "value must not be null"); | ||
| return delegate.doEncode(toIntegerConverter.apply(value)); | ||
| } | ||
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| @Override | ||
| EncodedParameter doEncode(T value, PostgresTypeIdentifier dataType) { | ||
| Assert.requireNonNull(value, "value must not be null"); | ||
| Assert.requireNonNull(dataType, "dataType must not be null"); | ||
| return delegate.doEncode(toIntegerConverter.apply(value), dataType); | ||
| } | ||
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| @Override | ||
| public Iterable<? extends PostgresTypeIdentifier> getDataTypes() { | ||
| return delegate.getDataTypes(); | ||
| } | ||
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| @Override | ||
| public EncodedParameter encodeNull() { | ||
| return delegate.encodeNull(); | ||
| } | ||
| } |
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