com.datastax.oss.driver.internal.core.type.codec.SimpleBlobCodec Maven / Gradle / Ivy
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* 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,
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* See the License for the specific language governing permissions and
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*/
package com.datastax.oss.driver.internal.core.type.codec;
import com.datastax.oss.driver.api.core.data.ByteUtils;
import com.datastax.oss.driver.api.core.type.codec.MappingCodec;
import com.datastax.oss.driver.api.core.type.codec.TypeCodecs;
import com.datastax.oss.driver.api.core.type.reflect.GenericType;
import com.datastax.oss.driver.internal.core.type.codec.extras.array.ByteListToArrayCodec;
import edu.umd.cs.findbugs.annotations.NonNull;
import edu.umd.cs.findbugs.annotations.Nullable;
import java.nio.ByteBuffer;
import net.jcip.annotations.Immutable;
/**
* A codec that maps the CQL type {@code blob} to the Java type {@code byte[]}.
*
* If you are looking for a codec mapping the CQL type {@code blob} to the Java type {@link
* ByteBuffer}, you should use {@link BlobCodec} instead.
*
*
If you are looking for a codec mapping the CQL type {@code list {
public SimpleBlobCodec() {
super(TypeCodecs.BLOB, GenericType.of(byte[].class));
}
@Override
public boolean accepts(@NonNull Object value) {
return value instanceof byte[];
}
@Override
public boolean accepts(@NonNull Class javaClass) {
return byte[].class.equals(javaClass);
}
@Nullable
@Override
protected byte[] innerToOuter(@Nullable ByteBuffer value) {
return value == null ? null : ByteUtils.getArray(value);
}
@Nullable
@Override
protected ByteBuffer outerToInner(@Nullable byte[] value) {
return value == null ? null : ByteBuffer.wrap(value);
}
}