net.openhft.chronicle.wire.converter.ShortText Maven / Gradle / Ivy
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/*
* Copyright 2016-2022 chronicle.software
*
* https://chronicle.software
*
* 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
*
* 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 net.openhft.chronicle.wire.converter;
import net.openhft.chronicle.wire.LongConversion;
import net.openhft.chronicle.wire.LongConverter;
import net.openhft.chronicle.wire.ShortTextLongConverter;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
/**
* Annotation to indicate that a given field or parameter, represented as a long value,
* should be treated as a string containing 0 to 10 characters in Base85 format. This truncated leading spaces, but preserves leading zero c.f. {@link Base85}
*
* Base85, also known as Ascii85, is a binary-to-ASCII encoding scheme that provides
* an efficient way to encode binary data for transport over text-based protocols.
*
* When this annotation is applied to a field or parameter, it provides a hint about the expected format
* and representation of the data, allowing for potential encoding and decoding operations based on Base85.
*
* The provided {@link #INSTANCE} is a default converter that can be used for operations relevant to the Base85 format.
* Usage Example:
*
* {@code @ShortText}
* private long encodedText;
*
*
* @see LongConverter
* @see Base85
* @see ShortTextLongConverter
*/
@Retention(RetentionPolicy.RUNTIME)
@Target({ElementType.FIELD, ElementType.PARAMETER})
@LongConversion(ShortText.class)
public @interface ShortText {
/**
* An instance of {@link ShortTextLongConverter} specifically configured for Base85 conversions.
* This converter uses a character set defined by the {@link ShortTextLongConverter} to represent Base85 encoded data.
*/
LongConverter INSTANCE = ShortTextLongConverter.INSTANCE;
}
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