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Merge branch 'main' of https://github.com/open-telemetry/opentelemetr…
…y-java into propagate-io-exception
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10 changes: 10 additions & 0 deletions
10
...in/resources/META-INF/native-image/io.opentelemetry/opentelemetry-api/reflect-config.json
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|---|---|---|
| @@ -0,0 +1,10 @@ | ||
| { | ||
| "resources": { | ||
| "includes": [ | ||
| { | ||
| "pattern":"\\Qio/opentelemetry/api/version.properties\\E" | ||
| } | ||
| ] | ||
| }, | ||
| "bundles": [] | ||
| } |
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32 changes: 32 additions & 0 deletions
32
...rters/common/src/main/java/io/opentelemetry/exporter/internal/compression/Compressor.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,32 @@ | ||
| /* | ||
| * Copyright The OpenTelemetry Authors | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| */ | ||
|
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| package io.opentelemetry.exporter.internal.compression; | ||
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| import java.io.IOException; | ||
| import java.io.OutputStream; | ||
| import javax.annotation.concurrent.ThreadSafe; | ||
|
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| /** | ||
| * An abstraction for compressing messages. Implementation MUST be thread safe as the same instance | ||
| * is expected to be used many times and concurrently. Instances are usually singletons. | ||
| * | ||
| * <p>This class is internal and is hence not for public use. Its APIs are unstable and can change | ||
| * at any time. | ||
| */ | ||
| @ThreadSafe | ||
| public interface Compressor { | ||
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| /** | ||
| * The name of the compressor encoding. | ||
| * | ||
| * <p>Used to identify the compressor during configuration and to populate the {@code | ||
| * Content-Encoding} header. | ||
| */ | ||
| String getEncoding(); | ||
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| /** Wrap the {@code outputStream} with a compressing output stream. */ | ||
| OutputStream compress(OutputStream outputStream) throws IOException; | ||
| } |
18 changes: 18 additions & 0 deletions
18
...mmon/src/main/java/io/opentelemetry/exporter/internal/compression/CompressorProvider.java
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| @@ -0,0 +1,18 @@ | ||
| /* | ||
| * Copyright The OpenTelemetry Authors | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| */ | ||
|
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| package io.opentelemetry.exporter.internal.compression; | ||
|
|
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| /** | ||
| * A service provider interface (SPI) for providing {@link Compressor}s. | ||
| * | ||
| * <p>This class is internal and is hence not for public use. Its APIs are unstable and can change | ||
| * at any time. | ||
| */ | ||
| public interface CompressorProvider { | ||
|
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| /** Return the {@link Compressor}. */ | ||
| Compressor getInstance(); | ||
| } |
59 changes: 59 additions & 0 deletions
59
...s/common/src/main/java/io/opentelemetry/exporter/internal/compression/CompressorUtil.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,59 @@ | ||
| /* | ||
| * Copyright The OpenTelemetry Authors | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| */ | ||
|
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| package io.opentelemetry.exporter.internal.compression; | ||
|
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| import java.util.Collections; | ||
| import java.util.HashMap; | ||
| import java.util.Map; | ||
| import java.util.ServiceLoader; | ||
| import java.util.Set; | ||
|
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| /** | ||
| * Utilities for resolving SPI {@link Compressor}s. | ||
| * | ||
| * <p>This class is internal and is hence not for public use. Its APIs are unstable and can change | ||
| * at any time. | ||
| * | ||
| * @see CompressorProvider | ||
| */ | ||
| public final class CompressorUtil { | ||
|
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| private static final Map<String, Compressor> compressorRegistry = buildCompressorRegistry(); | ||
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| private CompressorUtil() {} | ||
|
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| /** Get list of loaded compressors, named according to {@link Compressor#getEncoding()}. */ | ||
| public static Set<String> supportedCompressors() { | ||
| return Collections.unmodifiableSet(compressorRegistry.keySet()); | ||
| } | ||
|
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| /** | ||
| * Resolve the {@link Compressor} with the {@link Compressor#getEncoding()} equal to the {@code | ||
| * encoding}. | ||
| * | ||
| * @throws IllegalArgumentException if no match is found | ||
| */ | ||
| public static Compressor resolveCompressor(String encoding) { | ||
| Compressor compressor = compressorRegistry.get(encoding); | ||
| if (compressor == null) { | ||
| throw new IllegalArgumentException( | ||
| "Could not resolve compressor for encoding \"" + encoding + "\"."); | ||
| } | ||
| return compressor; | ||
| } | ||
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| private static Map<String, Compressor> buildCompressorRegistry() { | ||
| Map<String, Compressor> compressors = new HashMap<>(); | ||
| for (CompressorProvider spi : | ||
| ServiceLoader.load(CompressorProvider.class, CompressorUtil.class.getClassLoader())) { | ||
| Compressor compressor = spi.getInstance(); | ||
| compressors.put(compressor.getEncoding(), compressor); | ||
| } | ||
| // Hardcode gzip compressor | ||
| compressors.put(GzipCompressor.getInstance().getEncoding(), GzipCompressor.getInstance()); | ||
| return compressors; | ||
| } | ||
| } |
37 changes: 37 additions & 0 deletions
37
...s/common/src/main/java/io/opentelemetry/exporter/internal/compression/GzipCompressor.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,37 @@ | ||
| /* | ||
| * Copyright The OpenTelemetry Authors | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| */ | ||
|
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| package io.opentelemetry.exporter.internal.compression; | ||
|
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| import java.io.IOException; | ||
| import java.io.OutputStream; | ||
| import java.util.zip.GZIPOutputStream; | ||
|
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| /** | ||
| * Gzip {@link Compressor}. | ||
| * | ||
| * <p>This class is internal and is hence not for public use. Its APIs are unstable and can change | ||
| * at any time. | ||
| */ | ||
| public final class GzipCompressor implements Compressor { | ||
|
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| private static final GzipCompressor INSTANCE = new GzipCompressor(); | ||
|
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| private GzipCompressor() {} | ||
|
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| public static GzipCompressor getInstance() { | ||
| return INSTANCE; | ||
| } | ||
|
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| @Override | ||
| public String getEncoding() { | ||
| return "gzip"; | ||
| } | ||
|
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| @Override | ||
| public OutputStream compress(OutputStream outputStream) throws IOException { | ||
| return new GZIPOutputStream(outputStream); | ||
| } | ||
| } |
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