org.elasticsearch.index.analysis.NameOrDefinition Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of elasticsearch Show documentation
Show all versions of elasticsearch Show documentation
Elasticsearch subproject :server
/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License
* 2.0 and the Server Side Public License, v 1; you may not use this file except
* in compliance with, at your election, the Elastic License 2.0 or the Server
* Side Public License, v 1.
*/
package org.elasticsearch.index.analysis;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.io.stream.Writeable;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.xcontent.ToXContentFragment;
import org.elasticsearch.xcontent.XContentBuilder;
import org.elasticsearch.xcontent.XContentParseException;
import org.elasticsearch.xcontent.XContentParser;
import java.io.IOException;
import java.util.Map;
import java.util.Objects;
public class NameOrDefinition implements Writeable, ToXContentFragment {
// exactly one of these two members is not null
public final String name;
public final Settings definition;
public NameOrDefinition(String name) {
this.name = Objects.requireNonNull(name);
this.definition = null;
}
public NameOrDefinition(Map definition) {
this.name = null;
Objects.requireNonNull(definition);
try {
this.definition = Settings.builder().loadFromMap(definition).build();
} catch (Exception e) {
throw new IllegalArgumentException("Failed to parse [" + definition + "]", e);
}
}
public NameOrDefinition(StreamInput in) throws IOException {
name = in.readOptionalString();
if (in.readBoolean()) {
definition = Settings.readSettingsFromStream(in);
} else {
definition = null;
}
}
@Override
public void writeTo(StreamOutput out) throws IOException {
out.writeOptionalString(name);
boolean isNotNullDefinition = this.definition != null;
out.writeBoolean(isNotNullDefinition);
if (isNotNullDefinition) {
Settings.writeSettingsToStream(definition, out);
}
}
public static NameOrDefinition fromXContent(XContentParser parser) throws IOException {
if (parser.currentToken() == XContentParser.Token.VALUE_STRING) {
return new NameOrDefinition(parser.text());
}
if (parser.currentToken() == XContentParser.Token.START_OBJECT) {
return new NameOrDefinition(parser.map());
}
throw new XContentParseException(
parser.getTokenLocation(),
"Expected [VALUE_STRING] or [START_OBJECT], got " + parser.currentToken()
);
}
@Override
public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException {
if (definition == null) {
builder.value(name);
} else {
builder.startObject();
definition.toXContent(builder, params);
builder.endObject();
}
return builder;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
NameOrDefinition that = (NameOrDefinition) o;
return Objects.equals(name, that.name) && Objects.equals(definition, that.definition);
}
@Override
public int hashCode() {
return Objects.hash(name, definition);
}
}