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[Refactor] Requests to use MediaType instead of XContentType (opensea…
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…rch-project#6218)

Refactors various REST requests to use MediaType instead of XContentType to
abstract media format from the REST interfaces.

Signed-off-by: Nicholas Walter Knize <nknize@apache.org>
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@nknize
nknize authored Feb 8, 2023
1 parent 1eae021 commit 1f4cdd2
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Showing 25 changed files with 543 additions and 48 deletions.
24 changes: 22 additions & 2 deletions client/rest-high-level/src/main/java/org/opensearch/client/RequestConverters.java
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Original file line number Diff line number Diff line change
Expand Up @@ -79,6 +79,7 @@
import org.opensearch.common.unit.TimeValue;
import org.opensearch.common.util.CollectionUtils;
import org.opensearch.common.xcontent.DeprecationHandler;
import org.opensearch.common.xcontent.MediaType;
import org.opensearch.common.xcontent.NamedXContentRegistry;
import org.opensearch.common.xcontent.ToXContent;
import org.opensearch.common.xcontent.XContent;
Expand Down Expand Up @@ -112,6 +113,11 @@
import java.util.Map;
import java.util.StringJoiner;

/**
* Converts OpenSearch writeable requests to an HTTP Request
*
* @opensearch.api
*/
final class RequestConverters {
static final XContentType REQUEST_BODY_CONTENT_TYPE = XContentType.JSON;

Expand Down Expand Up @@ -514,7 +520,7 @@ static Request multiSearch(MultiSearchRequest multiSearchRequest) throws IOExcep
XContent xContent = REQUEST_BODY_CONTENT_TYPE.xContent();
byte[] source = MultiSearchRequest.writeMultiLineFormat(multiSearchRequest, xContent);
request.addParameters(params.asMap());
request.setEntity(new ByteArrayEntity(source, createContentType(xContent.type())));
request.setEntity(new ByteArrayEntity(source, createContentType(xContent.mediaType())));
return request;
}

Expand Down Expand Up @@ -549,7 +555,7 @@ static Request multiSearchTemplate(MultiSearchTemplateRequest multiSearchTemplat

XContent xContent = REQUEST_BODY_CONTENT_TYPE.xContent();
byte[] source = MultiSearchTemplateRequest.writeMultiLineFormat(multiSearchTemplateRequest, xContent);
request.setEntity(new ByteArrayEntity(source, createContentType(xContent.type())));
request.setEntity(new ByteArrayEntity(source, createContentType(xContent.mediaType())));
return request;
}

Expand Down Expand Up @@ -867,12 +873,26 @@ static String endpoint(String[] indices, String endpoint, String type) {
*
* @param xContentType the {@link XContentType}
* @return the {@link ContentType}
*
* @deprecated use {@link #createContentType(MediaType)} instead
*/
@Deprecated
@SuppressForbidden(reason = "Only allowed place to convert a XContentType to a ContentType")
public static ContentType createContentType(final XContentType xContentType) {
return ContentType.create(xContentType.mediaTypeWithoutParameters(), (Charset) null);
}

/**
* Returns a {@link ContentType} from a given {@link XContentType}.
*
* @param mediaType the {@link MediaType}
* @return the {@link ContentType}
*/
@SuppressForbidden(reason = "Only allowed place to convert a XContentType to a ContentType")
public static ContentType createContentType(final MediaType mediaType) {
return ContentType.create(mediaType.mediaTypeWithoutParameters(), (Charset) null);
}

/**
* Utility class to help with common parameter names and patterns. Wraps
* a {@link Request} and adds the parameters to it directly.
Expand Down
93 changes: 93 additions & 0 deletions client/rest-high-level/src/main/java/org/opensearch/client/indices/CreateIndexRequest.java
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Expand Up @@ -44,6 +44,7 @@
import org.opensearch.common.bytes.BytesReference;
import org.opensearch.common.settings.Settings;
import org.opensearch.common.xcontent.DeprecationHandler;
import org.opensearch.common.xcontent.MediaType;
import org.opensearch.common.xcontent.NamedXContentRegistry;
import org.opensearch.common.xcontent.ToXContentObject;
import org.opensearch.common.xcontent.XContentBuilder;
Expand All @@ -64,6 +65,8 @@

/**
* A request to create an index.
*
* @opensearch.api
*/
public class CreateIndexRequest extends TimedRequest implements Validatable, ToXContentObject {
static final ParseField MAPPINGS = new ParseField("mappings");
Expand Down Expand Up @@ -122,12 +125,23 @@ public CreateIndexRequest settings(Settings settings) {

/**
* The settings to create the index with (either json or yaml format)
*
* @deprecated use {@link #settings(String source, MediaType mediaType)} instead
*/
@Deprecated
public CreateIndexRequest settings(String source, XContentType xContentType) {
this.settings = Settings.builder().loadFromSource(source, xContentType).build();
return this;
}

/**
* The settings to create the index with (either json or yaml format)
*/
public CreateIndexRequest settings(String source, MediaType mediaType) {
this.settings = Settings.builder().loadFromSource(source, mediaType).build();
return this;
}

/**
* Allows to set the settings using a json builder.
*/
Expand Down Expand Up @@ -159,11 +173,26 @@ public XContentType mappingsXContentType() {
*
* @param source The mapping source
* @param xContentType The content type of the source
*
* @deprecated use {@link #mapping(String source, MediaType mediaType)} instead
*/
@Deprecated
public CreateIndexRequest mapping(String source, XContentType xContentType) {
return mapping(new BytesArray(source), xContentType);
}

/**
* Adds mapping that will be added when the index gets created.
*
* Note that the definition should *not* be nested under a type name.
*
* @param source The mapping source
* @param mediaType The media type of the source
*/
public CreateIndexRequest mapping(String source, MediaType mediaType) {
return mapping(new BytesArray(source), mediaType);
}

/**
* Adds mapping that will be added when the index gets created.
*
Expand Down Expand Up @@ -199,14 +228,32 @@ public CreateIndexRequest mapping(Map<String, ?> source) {
*
* @param source The mapping source
* @param xContentType the content type of the mapping source
*
* @deprecated use {@link #mapping(BytesReference source, MediaType mediaType)} instead
*/
@Deprecated
public CreateIndexRequest mapping(BytesReference source, XContentType xContentType) {
Objects.requireNonNull(xContentType);
mappings = source;
mappingsXContentType = xContentType;
return this;
}

/**
* Adds mapping that will be added when the index gets created.
*
* Note that the definition should *not* be nested under a type name.
*
* @param source The mapping source
* @param mediaType the content type of the mapping source
*/
public CreateIndexRequest mapping(BytesReference source, MediaType mediaType) {
Objects.requireNonNull(mediaType);
mappings = source;
mappingsXContentType = (XContentType) mediaType;
return this;
}

public Set<Alias> aliases() {
return this.aliases;
}
Expand All @@ -233,15 +280,35 @@ public CreateIndexRequest aliases(XContentBuilder source) {

/**
* Sets the aliases that will be associated with the index when it gets created
*
* @deprecated use {@link #aliases(String, MediaType)} instead
*/
@Deprecated
public CreateIndexRequest aliases(String source, XContentType contentType) {
return aliases(new BytesArray(source), contentType);
}

/**
* Sets the aliases that will be associated with the index when it gets created
*/
public CreateIndexRequest aliases(String source, MediaType mediaType) {
return aliases(new BytesArray(source), mediaType);
}

/**
* Sets the aliases that will be associated with the index when it gets created
*
* @deprecated use {@link #aliases(BytesReference source, MediaType contentType)} instead
*/
@Deprecated
public CreateIndexRequest aliases(BytesReference source, XContentType contentType) {
return aliases(source, (MediaType) contentType);
}

/**
* Sets the aliases that will be associated with the index when it gets created
*/
public CreateIndexRequest aliases(BytesReference source, MediaType contentType) {
// EMPTY is safe here because we never call namedObject
try (
XContentParser parser = XContentHelper.createParser(
Expand Down Expand Up @@ -282,11 +349,23 @@ public CreateIndexRequest aliases(Collection<Alias> aliases) {
* Sets the settings and mappings as a single source.
*
* Note that the mapping definition should *not* be nested under a type name.
*
* @deprecated use {@link #source(String, MediaType)} instead
*/
@Deprecated
public CreateIndexRequest source(String source, XContentType xContentType) {
return source(new BytesArray(source), xContentType);
}

/**
* Sets the settings and mappings as a single source.
*
* Note that the mapping definition should *not* be nested under a type name.
*/
public CreateIndexRequest source(String source, MediaType mediaType) {
return source(new BytesArray(source), mediaType);
}

/**
* Sets the settings and mappings as a single source.
*
Expand All @@ -300,13 +379,27 @@ public CreateIndexRequest source(XContentBuilder source) {
* Sets the settings and mappings as a single source.
*
* Note that the mapping definition should *not* be nested under a type name.
*
* @deprecated use {@link #source(BytesReference, MediaType)} instead
*/
@Deprecated
public CreateIndexRequest source(BytesReference source, XContentType xContentType) {
Objects.requireNonNull(xContentType);
source(XContentHelper.convertToMap(source, false, xContentType).v2());
return this;
}

/**
* Sets the settings and mappings as a single source.
*
* Note that the mapping definition should *not* be nested under a type name.
*/
public CreateIndexRequest source(BytesReference source, MediaType mediaType) {
Objects.requireNonNull(mediaType);
source(XContentHelper.convertToMap(source, false, mediaType).v2());
return this;
}

/**
* Sets the settings and mappings as a single source.
*
Expand Down
46 changes: 44 additions & 2 deletions .../rest-high-level/src/main/java/org/opensearch/client/indices/PutIndexTemplateRequest.java
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Original file line number Diff line number Diff line change
Expand Up @@ -43,6 +43,7 @@
import org.opensearch.common.bytes.BytesReference;
import org.opensearch.common.settings.Settings;
import org.opensearch.common.xcontent.DeprecationHandler;
import org.opensearch.common.xcontent.MediaType;
import org.opensearch.common.xcontent.NamedXContentRegistry;
import org.opensearch.common.xcontent.ToXContentFragment;
import org.opensearch.common.xcontent.XContentBuilder;
Expand Down Expand Up @@ -268,9 +269,10 @@ private PutIndexTemplateRequest internalMapping(Map<String, Object> source) {
try {
XContentBuilder builder = XContentFactory.contentBuilder(XContentType.JSON);
builder.map(source);
Objects.requireNonNull(builder.contentType());
MediaType mediaType = builder.contentType();
Objects.requireNonNull(mediaType);
try {
mappings = new BytesArray(XContentHelper.convertToJson(BytesReference.bytes(builder), false, false, builder.contentType()));
mappings = new BytesArray(XContentHelper.convertToJson(BytesReference.bytes(builder), false, false, mediaType));
return this;
} catch (IOException e) {
throw new UncheckedIOException("failed to convert source to json", e);
Expand Down Expand Up @@ -342,32 +344,72 @@ public PutIndexTemplateRequest source(Map<String, Object> templateSource) {

/**
* The template source definition.
*
* @deprecated use {@link #source(String, MediaType)} instead
*/
@Deprecated
public PutIndexTemplateRequest source(String templateSource, XContentType xContentType) {
return source(XContentHelper.convertToMap(xContentType.xContent(), templateSource, true));
}

/**
* The template source definition.
*/
public PutIndexTemplateRequest source(String templateSource, MediaType mediaType) {
return source(XContentHelper.convertToMap(mediaType.xContent(), templateSource, true));
}

/**
* The template source definition.
*
* @deprecated use {@link #source(byte[], MediaType)} instead
*/
@Deprecated
public PutIndexTemplateRequest source(byte[] source, XContentType xContentType) {
return source(source, 0, source.length, xContentType);
}

/**
* The template source definition.
*/
public PutIndexTemplateRequest source(byte[] source, MediaType mediaType) {
return source(source, 0, source.length, mediaType);
}

/**
* The template source definition.
*
* @deprecated use {@link #source(byte[], int, int, MediaType)} instead
*/
@Deprecated
public PutIndexTemplateRequest source(byte[] source, int offset, int length, XContentType xContentType) {
return source(new BytesArray(source, offset, length), xContentType);
}

/**
* The template source definition.
*/
public PutIndexTemplateRequest source(byte[] source, int offset, int length, MediaType mediaType) {
return source(new BytesArray(source, offset, length), mediaType);
}

/**
* The template source definition.
*
* @deprecated use {@link #source(BytesReference, MediaType)} instead
*/
@Deprecated
public PutIndexTemplateRequest source(BytesReference source, XContentType xContentType) {
return source(XContentHelper.convertToMap(source, true, xContentType).v2());
}

/**
* The template source definition.
*/
public PutIndexTemplateRequest source(BytesReference source, MediaType mediaType) {
return source(XContentHelper.convertToMap(source, true, mediaType).v2());
}

public Set<Alias> aliases() {
return this.aliases;
}
Expand Down
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