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…#328) Signed-off-by: Andriy Redko <[email protected]> Signed-off-by: Andriy Redko <[email protected]> Signed-off-by: Andriy Redko <[email protected]>
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17 changes: 17 additions & 0 deletions
17
java-client/src/main/java/org/opensearch/client/transport/TransportHeaders.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,17 @@ | ||
| /* | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| * | ||
| * The OpenSearch Contributors require contributions made to | ||
| * this file be licensed under the Apache-2.0 license or a | ||
| * compatible open source license. | ||
| */ | ||
|
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| package org.opensearch.client.transport; | ||
|
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| public final class TransportHeaders { | ||
| public static final String ACCEPT = "Accept"; | ||
| public static final String USER_AGENT = "User-Agent"; | ||
|
|
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| private TransportHeaders() { | ||
| } | ||
| } |
267 changes: 267 additions & 0 deletions
267
...t/src/main/java/org/opensearch/client/transport/httpclient5/ApacheHttpClient5Options.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,267 @@ | ||
| /* | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| * | ||
| * The OpenSearch Contributors require contributions made to | ||
| * this file be licensed under the Apache-2.0 license or a | ||
| * compatible open source license. | ||
| */ | ||
|
|
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| package org.opensearch.client.transport.httpclient5; | ||
|
|
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| import java.util.AbstractMap; | ||
| import java.util.ArrayList; | ||
| import java.util.Collection; | ||
| import java.util.Collections; | ||
| import java.util.List; | ||
| import java.util.Locale; | ||
| import java.util.Map; | ||
| import java.util.Objects; | ||
| import java.util.Map.Entry; | ||
| import java.util.function.Function; | ||
| import java.util.stream.Collectors; | ||
|
|
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| import org.apache.hc.client5.http.config.RequestConfig; | ||
| import org.apache.hc.core5.http.Header; | ||
| import org.apache.hc.core5.http.message.BasicHeader; | ||
| import org.apache.hc.core5.http.nio.AsyncResponseConsumer; | ||
| import org.opensearch.client.transport.TransportOptions; | ||
| import org.opensearch.client.transport.Version; | ||
|
|
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| import static org.opensearch.client.transport.TransportHeaders.ACCEPT; | ||
| import static org.opensearch.client.transport.TransportHeaders.USER_AGENT; | ||
|
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| public class ApacheHttpClient5Options implements TransportOptions { | ||
| /** | ||
| * Default request options. | ||
| */ | ||
| public static final ApacheHttpClient5Options DEFAULT = new Builder( | ||
| Collections.emptyList(), | ||
| HttpAsyncResponseConsumerFactory.HeapBufferedResponseConsumerFactory.DEFAULT, | ||
| null, | ||
| null | ||
| ).build(); | ||
|
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| private final List<Header> headers; | ||
| private final HttpAsyncResponseConsumerFactory httpAsyncResponseConsumerFactory; | ||
| private final WarningsHandler warningsHandler; | ||
| private final RequestConfig requestConfig; | ||
|
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| private ApacheHttpClient5Options(Builder builder) { | ||
| this.headers = Collections.unmodifiableList(new ArrayList<>(builder.headers)); | ||
| this.httpAsyncResponseConsumerFactory = builder.httpAsyncResponseConsumerFactory; | ||
| this.warningsHandler = builder.warningsHandler; | ||
| this.requestConfig = builder.requestConfig; | ||
| } | ||
|
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| public HttpAsyncResponseConsumerFactory getHttpAsyncResponseConsumerFactory() { | ||
| return httpAsyncResponseConsumerFactory; | ||
| } | ||
|
|
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| public WarningsHandler getWarningsHandler() { | ||
| return warningsHandler; | ||
| } | ||
|
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| public RequestConfig getRequestConfig() { | ||
| return requestConfig; | ||
| } | ||
|
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| @Override | ||
| public Collection<Entry<String, String>> headers() { | ||
| return headers.stream() | ||
| .map(h -> new AbstractMap.SimpleImmutableEntry<>(h.getName(), h.getValue())) | ||
| .collect(Collectors.toList()); | ||
| } | ||
|
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| @Override | ||
| public Map<String, String> queryParameters() { | ||
| return null; | ||
| } | ||
|
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| @Override | ||
| public Function<List<String>, Boolean> onWarnings() { | ||
| if (warningsHandler == null) { | ||
| return null; | ||
| } else { | ||
| return warnings -> warningsHandler.warningsShouldFailRequest(warnings); | ||
| } | ||
| } | ||
|
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| @Override | ||
| public Builder toBuilder() { | ||
| return new Builder(headers, httpAsyncResponseConsumerFactory, warningsHandler, requestConfig); | ||
| } | ||
|
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| public static class Builder implements TransportOptions.Builder { | ||
| private final List<Header> headers; | ||
| private HttpAsyncResponseConsumerFactory httpAsyncResponseConsumerFactory; | ||
| private WarningsHandler warningsHandler; | ||
| private RequestConfig requestConfig; | ||
|
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| private Builder(Builder builder) { | ||
| this(builder.headers, builder.httpAsyncResponseConsumerFactory, | ||
| builder.warningsHandler, builder.requestConfig); | ||
| } | ||
|
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| private Builder( | ||
| List<Header> headers, | ||
| HttpAsyncResponseConsumerFactory httpAsyncResponseConsumerFactory, | ||
| WarningsHandler warningsHandler, | ||
| RequestConfig requestConfig | ||
| ) { | ||
| this.headers = new ArrayList<>(headers); | ||
| this.httpAsyncResponseConsumerFactory = httpAsyncResponseConsumerFactory; | ||
| this.warningsHandler = warningsHandler; | ||
| this.requestConfig = requestConfig; | ||
| } | ||
|
|
||
| /** | ||
| * Add the provided header to the request. | ||
| * | ||
| * @param name the header name | ||
| * @param value the header value | ||
| * @throws NullPointerException if {@code name} or {@code value} is null. | ||
| */ | ||
| @Override | ||
| public Builder addHeader(String name, String value) { | ||
| Objects.requireNonNull(name, "header name cannot be null"); | ||
| Objects.requireNonNull(value, "header value cannot be null"); | ||
| this.headers.add(new ReqHeader(name, value)); | ||
| return this; | ||
| } | ||
|
|
||
| @Override | ||
| public TransportOptions.Builder setParameter(String name, String value) { | ||
| return this; | ||
| } | ||
|
|
||
| /** | ||
| * Called if there are warnings to determine if those warnings should fail the request. | ||
| */ | ||
| @Override | ||
| public TransportOptions.Builder onWarnings(Function<List<String>, Boolean> listener) { | ||
| if (listener == null) { | ||
| setWarningsHandler(null); | ||
| } else { | ||
| setWarningsHandler(w -> { | ||
| if (w != null && !w.isEmpty()) { | ||
| return listener.apply(w); | ||
| } else { | ||
| return false; | ||
| } | ||
| }); | ||
| } | ||
|
|
||
| return this; | ||
| } | ||
|
|
||
| /** | ||
| * Set the {@link HttpAsyncResponseConsumerFactory} used to create one | ||
| * {@link AsyncResponseConsumer} callback per retry. Controls how the | ||
| * response body gets streamed from a non-blocking HTTP connection on the | ||
| * client side. | ||
| * | ||
| * @param httpAsyncResponseConsumerFactory factory for creating {@link AsyncResponseConsumer}. | ||
| * @throws NullPointerException if {@code httpAsyncResponseConsumerFactory} is null. | ||
| */ | ||
| public void setHttpAsyncResponseConsumerFactory(HttpAsyncResponseConsumerFactory httpAsyncResponseConsumerFactory) { | ||
| this.httpAsyncResponseConsumerFactory = Objects.requireNonNull( | ||
| httpAsyncResponseConsumerFactory, | ||
| "httpAsyncResponseConsumerFactory cannot be null" | ||
| ); | ||
| } | ||
|
|
||
| /** | ||
| * How this request should handle warnings. If null (the default) then | ||
| * this request will default to the behavior dictacted by | ||
| * `setStrictDeprecationMode`. | ||
| * <p> | ||
| * This can be set to {@link WarningsHandler#PERMISSIVE} if the client | ||
| * should ignore all warnings which is the same behavior as setting | ||
| * strictDeprecationMode to true. It can be set to | ||
| * {@link WarningsHandler#STRICT} if the client should fail if there are | ||
| * any warnings which is the same behavior as settings | ||
| * strictDeprecationMode to false. | ||
| * <p> | ||
| * It can also be set to a custom implementation of | ||
| * {@linkplain WarningsHandler} to permit only certain warnings or to | ||
| * fail the request if the warnings returned don't | ||
| * <strong>exactly</strong> match some set. | ||
| * | ||
| * @param warningsHandler the {@link WarningsHandler} to be used | ||
| */ | ||
| public void setWarningsHandler(WarningsHandler warningsHandler) { | ||
| this.warningsHandler = warningsHandler; | ||
| } | ||
|
|
||
| /** | ||
| * set RequestConfig, which can set socketTimeout, connectTimeout | ||
| * and so on by request | ||
| * @param requestConfig http client RequestConfig | ||
| * @return Builder | ||
| */ | ||
| public Builder setRequestConfig(RequestConfig requestConfig) { | ||
| this.requestConfig = requestConfig; | ||
| return this; | ||
| } | ||
|
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||
| @Override | ||
| public ApacheHttpClient5Options build() { | ||
| return new ApacheHttpClient5Options(this); | ||
| } | ||
| } | ||
|
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| static ApacheHttpClient5Options initialOptions() { | ||
| String ua = String.format( | ||
| Locale.ROOT, | ||
| "opensearch-java/%s (Java/%s)", | ||
| Version.VERSION == null ? "Unknown" : Version.VERSION.toString(), | ||
| System.getProperty("java.version") | ||
| ); | ||
|
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| return new ApacheHttpClient5Options( | ||
| DEFAULT.toBuilder() | ||
| .addHeader(USER_AGENT, ua) | ||
| .addHeader(ACCEPT, ApacheHttpClient5Transport.JsonContentType.toString()) | ||
| ); | ||
| } | ||
|
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| static ApacheHttpClient5Options of(TransportOptions options) { | ||
| if (options instanceof ApacheHttpClient5Options) { | ||
| return (ApacheHttpClient5Options)options; | ||
|
|
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| } else { | ||
| final Builder builder = new Builder(DEFAULT.toBuilder()); | ||
| options.headers().forEach(h -> builder.addHeader(h.getKey(), h.getValue())); | ||
| options.queryParameters().forEach(builder::setParameter); | ||
| builder.onWarnings(options.onWarnings()); | ||
| return builder.build(); | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Custom implementation of {@link BasicHeader} that overrides equals and | ||
| * hashCode so it is easier to test equality of {@link ApacheHttpClient5Options}. | ||
| */ | ||
| static final class ReqHeader extends BasicHeader { | ||
| ReqHeader(String name, String value) { | ||
| super(name, value); | ||
| } | ||
|
|
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| @Override | ||
| public boolean equals(Object other) { | ||
| if (this == other) { | ||
| return true; | ||
| } | ||
| if (other instanceof ReqHeader) { | ||
| Header otherHeader = (Header) other; | ||
| return Objects.equals(getName(), otherHeader.getName()) && Objects.equals(getValue(), otherHeader.getValue()); | ||
| } | ||
| return false; | ||
| } | ||
|
|
||
| @Override | ||
| public int hashCode() { | ||
| return Objects.hash(getName(), getValue()); | ||
| } | ||
| } | ||
| } |
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