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Merged
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Sep 21, 2020
Merged

Optimize XContentParserUtils.ensureExpectedToken #62691

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f8f2855
Optimize XContentParserUtils.ensureExpectedToken
original-brownbear Sep 21, 2020
18c12b2
Merge remote-tracking branch 'elastic/master' into faster-expected-to…
original-brownbear Sep 21, 2020
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4 changes: 2 additions & 2 deletions client/rest-high-level/src/main/java/org/elasticsearch/client/GetAliasesResponse.java
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Original file line number Diff line number Diff line change
Expand Up @@ -128,7 +128,7 @@ public static GetAliasesResponse fromXContent(XContentParser parser) throws IOEx
if (parser.currentToken() == null) {
parser.nextToken();
}
ensureExpectedToken(Token.START_OBJECT, parser.currentToken(), parser::getTokenLocation);
ensureExpectedToken(Token.START_OBJECT, parser.currentToken(), parser);
Map<String, Set<AliasMetadata>> aliases = new HashMap<>();

String currentFieldName;
Expand All @@ -143,7 +143,7 @@ public static GetAliasesResponse fromXContent(XContentParser parser) throws IOEx

if ("status".equals(currentFieldName)) {
if ((token = parser.nextToken()) != Token.FIELD_NAME) {
ensureExpectedToken(Token.VALUE_NUMBER, token, parser::getTokenLocation);
ensureExpectedToken(Token.VALUE_NUMBER, token, parser);
status = RestStatus.fromCode(parser.intValue());
}
} else if ("error".equals(currentFieldName)) {
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2 changes: 1 addition & 1 deletion ...st-high-level/src/main/java/org/elasticsearch/client/asyncsearch/AsyncSearchResponse.java
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Expand Up @@ -184,7 +184,7 @@ public XContentBuilder toXContent(XContentBuilder builder, Params params) throws

private static SearchResponse parseSearchResponse(XContentParser p) throws IOException {
// we should be before the opening START_OBJECT of the response
ensureExpectedToken(Token.START_OBJECT, p.currentToken(), p::getTokenLocation);
ensureExpectedToken(Token.START_OBJECT, p.currentToken(), p);
p.nextToken();
return SearchResponse.innerFromXContent(p);
}
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4 changes: 2 additions & 2 deletions ...nt/rest-high-level/src/main/java/org/elasticsearch/client/cluster/RemoteInfoResponse.java
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Expand Up @@ -43,7 +43,7 @@ public List<RemoteConnectionInfo> getInfos() {
}

public static RemoteInfoResponse fromXContent(XContentParser parser) throws IOException {
ensureExpectedToken(XContentParser.Token.START_OBJECT, parser.nextToken(), parser::getTokenLocation);
ensureExpectedToken(XContentParser.Token.START_OBJECT, parser.nextToken(), parser);

List<RemoteConnectionInfo> infos = new ArrayList<>();

Expand All @@ -53,7 +53,7 @@ public static RemoteInfoResponse fromXContent(XContentParser parser) throws IOEx
RemoteConnectionInfo info = RemoteConnectionInfo.fromXContent(parser, clusterAlias);
infos.add(info);
}
ensureExpectedToken(XContentParser.Token.END_OBJECT, token, parser::getTokenLocation);
ensureExpectedToken(XContentParser.Token.END_OBJECT, token, parser);
return new RemoteInfoResponse(infos);
}
}
4 changes: 2 additions & 2 deletions client/rest-high-level/src/main/java/org/elasticsearch/client/core/CountResponse.java
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Expand Up @@ -101,9 +101,9 @@ public RestStatus status() {
}

public static CountResponse fromXContent(XContentParser parser) throws IOException {
ensureExpectedToken(XContentParser.Token.START_OBJECT, parser.nextToken(), parser::getTokenLocation);
ensureExpectedToken(XContentParser.Token.START_OBJECT, parser.nextToken(), parser);
parser.nextToken();
ensureExpectedToken(XContentParser.Token.FIELD_NAME, parser.currentToken(), parser::getTokenLocation);
ensureExpectedToken(XContentParser.Token.FIELD_NAME, parser.currentToken(), parser);
String currentName = parser.currentName();
Boolean terminatedEarly = null;
long count = 0;
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2 changes: 1 addition & 1 deletion ...est-high-level/src/main/java/org/elasticsearch/client/ilm/GetLifecyclePolicyResponse.java
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Expand Up @@ -60,7 +60,7 @@ public static GetLifecyclePolicyResponse fromXContent(XContentParser parser) thr
if (parser.currentToken() == null) {
parser.nextToken();
}
ensureExpectedToken(XContentParser.Token.START_OBJECT, parser.currentToken(), parser::getTokenLocation);
ensureExpectedToken(XContentParser.Token.START_OBJECT, parser.currentToken(), parser);
parser.nextToken();

while (!parser.isClosed()) {
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6 changes: 3 additions & 3 deletions ...nt/rest-high-level/src/main/java/org/elasticsearch/client/indices/CloseIndexResponse.java
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Expand Up @@ -88,10 +88,10 @@ public static class IndexResult {
static {
PARSER.declareBoolean(optionalConstructorArg(), new ParseField("closed"));
PARSER.declareObject(optionalConstructorArg(), (p, c) -> {
XContentParserUtils.ensureExpectedToken(XContentParser.Token.START_OBJECT, p.currentToken(), p::getTokenLocation);
XContentParserUtils.ensureExpectedToken(XContentParser.Token.FIELD_NAME, p.nextToken(), p::getTokenLocation);
XContentParserUtils.ensureExpectedToken(XContentParser.Token.START_OBJECT, p.currentToken(), p);
XContentParserUtils.ensureExpectedToken(XContentParser.Token.FIELD_NAME, p.nextToken(), p);
Exception e = ElasticsearchException.failureFromXContent(p);
XContentParserUtils.ensureExpectedToken(XContentParser.Token.END_OBJECT, p.nextToken(), p::getTokenLocation);
XContentParserUtils.ensureExpectedToken(XContentParser.Token.END_OBJECT, p.nextToken(), p);
return e;
}, new ParseField("exception"));
PARSER.declareNamedObjects(optionalConstructorArg(),
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2 changes: 1 addition & 1 deletion ...t-high-level/src/main/java/org/elasticsearch/client/indices/GetFieldMappingsResponse.java
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Expand Up @@ -88,7 +88,7 @@ public FieldMappingMetadata fieldMappings(String index, String field) {


public static GetFieldMappingsResponse fromXContent(XContentParser parser) throws IOException {
ensureExpectedToken(XContentParser.Token.START_OBJECT, parser.nextToken(), parser::getTokenLocation);
ensureExpectedToken(XContentParser.Token.START_OBJECT, parser.nextToken(), parser);
final Map<String, Map<String, FieldMappingMetadata>> mappings = new HashMap<>();
if (parser.nextToken() == XContentParser.Token.FIELD_NAME) {
while (parser.currentToken() == XContentParser.Token.FIELD_NAME) {
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6 changes: 3 additions & 3 deletions client/rest-high-level/src/main/java/org/elasticsearch/client/indices/GetIndexResponse.java
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Expand Up @@ -136,7 +136,7 @@ private static List<AliasMetadata> parseAliases(XContentParser parser) throws IO
List<AliasMetadata> indexAliases = new ArrayList<>();
// We start at START_OBJECT since parseIndexEntry ensures that
while (parser.nextToken() != Token.END_OBJECT) {
ensureExpectedToken(Token.FIELD_NAME, parser.currentToken(), parser::getTokenLocation);
ensureExpectedToken(Token.FIELD_NAME, parser.currentToken(), parser);
indexAliases.add(AliasMetadata.Builder.fromXContent(parser));
}
return indexAliases;
Expand All @@ -154,7 +154,7 @@ private static IndexEntry parseIndexEntry(XContentParser parser) throws IOExcept
String dataStream = null;
// We start at START_OBJECT since fromXContent ensures that
while (parser.nextToken() != Token.END_OBJECT) {
ensureExpectedToken(Token.FIELD_NAME, parser.currentToken(), parser::getTokenLocation);
ensureExpectedToken(Token.FIELD_NAME, parser.currentToken(), parser);
parser.nextToken();
if (parser.currentToken() == Token.START_OBJECT) {
switch (parser.currentName()) {
Expand Down Expand Up @@ -213,7 +213,7 @@ public static GetIndexResponse fromXContent(XContentParser parser) throws IOExce
if (parser.currentToken() == null) {
parser.nextToken();
}
ensureExpectedToken(Token.START_OBJECT, parser.currentToken(), parser::getTokenLocation);
ensureExpectedToken(Token.START_OBJECT, parser.currentToken(), parser);
parser.nextToken();

while (!parser.isClosed()) {
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2 changes: 1 addition & 1 deletion ...t/rest-high-level/src/main/java/org/elasticsearch/client/indices/GetMappingsResponse.java
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Expand Up @@ -50,7 +50,7 @@ public static GetMappingsResponse fromXContent(XContentParser parser) throws IOE

XContentParserUtils.ensureExpectedToken(parser.currentToken(),
XContentParser.Token.START_OBJECT,
parser::getTokenLocation);
parser);

Map<String, Object> parts = parser.map();

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4 changes: 2 additions & 2 deletions ...nt/rest-high-level/src/main/java/org/elasticsearch/client/license/StartBasicResponse.java
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Expand Up @@ -67,15 +67,15 @@ public class StartBasicResponse {
throw new XContentParseException(parser.getTokenLocation(), "expected message header or acknowledgement");
}
if (new ParseField("message").getPreferredName().equals(currentFieldName)) {
ensureExpectedToken(XContentParser.Token.VALUE_STRING, token, parser::getTokenLocation);
ensureExpectedToken(XContentParser.Token.VALUE_STRING, token, parser);
message = parser.text();
} else {
if (token != XContentParser.Token.START_ARRAY) {
throw new XContentParseException(parser.getTokenLocation(), "unexpected acknowledgement type");
}
List<String> acknowledgeMessagesList = new ArrayList<>();
while ((token = parser.nextToken()) != XContentParser.Token.END_ARRAY) {
ensureExpectedToken(XContentParser.Token.VALUE_STRING, token, parser::getTokenLocation);
ensureExpectedToken(XContentParser.Token.VALUE_STRING, token, parser);
acknowledgeMessagesList.add(parser.text());
}
acknowledgeMessages.put(currentFieldName, acknowledgeMessagesList.toArray(new String[0]));
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6 changes: 3 additions & 3 deletions ...t/rest-high-level/src/main/java/org/elasticsearch/client/ml/EvaluateDataFrameRequest.java
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Expand Up @@ -62,10 +62,10 @@ public class EvaluateDataFrameRequest implements ToXContentObject, Validatable {
}

private static Evaluation parseEvaluation(XContentParser parser) throws IOException {
ensureExpectedToken(XContentParser.Token.START_OBJECT, parser.currentToken(), parser::getTokenLocation);
ensureExpectedToken(XContentParser.Token.FIELD_NAME, parser.nextToken(), parser::getTokenLocation);
ensureExpectedToken(XContentParser.Token.START_OBJECT, parser.currentToken(), parser);
ensureExpectedToken(XContentParser.Token.FIELD_NAME, parser.nextToken(), parser);
Evaluation evaluation = parser.namedObject(Evaluation.class, parser.currentName(), null);
ensureExpectedToken(XContentParser.Token.END_OBJECT, parser.nextToken(), parser::getTokenLocation);
ensureExpectedToken(XContentParser.Token.END_OBJECT, parser.nextToken(), parser);
return evaluation;
}

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6 changes: 3 additions & 3 deletions .../rest-high-level/src/main/java/org/elasticsearch/client/ml/EvaluateDataFrameResponse.java
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Expand Up @@ -43,16 +43,16 @@ public static EvaluateDataFrameResponse fromXContent(XContentParser parser) thro
if (parser.currentToken() == null) {
parser.nextToken();
}
ensureExpectedToken(XContentParser.Token.START_OBJECT, parser.currentToken(), parser::getTokenLocation);
ensureExpectedToken(XContentParser.Token.FIELD_NAME, parser.nextToken(), parser::getTokenLocation);
ensureExpectedToken(XContentParser.Token.START_OBJECT, parser.currentToken(), parser);
ensureExpectedToken(XContentParser.Token.FIELD_NAME, parser.nextToken(), parser);
String evaluationName = parser.currentName();
parser.nextToken();
Map<String, EvaluationMetric.Result> metrics = parser.map(LinkedHashMap::new, p -> parseMetric(evaluationName, p));
List<EvaluationMetric.Result> knownMetrics =
metrics.values().stream()
.filter(Objects::nonNull) // Filter out null values returned by {@link EvaluateDataFrameResponse::parseMetric}.
.collect(Collectors.toList());
ensureExpectedToken(XContentParser.Token.END_OBJECT, parser.nextToken(), parser::getTokenLocation);
ensureExpectedToken(XContentParser.Token.END_OBJECT, parser.nextToken(), parser);
return new EvaluateDataFrameResponse(evaluationName, knownMetrics);
}

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6 changes: 3 additions & 3 deletions ...h-level/src/main/java/org/elasticsearch/client/ml/dataframe/DataFrameAnalyticsConfig.java
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Expand Up @@ -85,10 +85,10 @@ public static Builder builder() {
}

private static DataFrameAnalysis parseAnalysis(XContentParser parser) throws IOException {
XContentParserUtils.ensureExpectedToken(XContentParser.Token.START_OBJECT, parser.currentToken(), parser::getTokenLocation);
XContentParserUtils.ensureExpectedToken(XContentParser.Token.FIELD_NAME, parser.nextToken(), parser::getTokenLocation);
XContentParserUtils.ensureExpectedToken(XContentParser.Token.START_OBJECT, parser.currentToken(), parser);
XContentParserUtils.ensureExpectedToken(XContentParser.Token.FIELD_NAME, parser.nextToken(), parser);
DataFrameAnalysis analysis = parser.namedObject(DataFrameAnalysis.class, parser.currentName(), true);
XContentParserUtils.ensureExpectedToken(XContentParser.Token.END_OBJECT, parser.nextToken(), parser::getTokenLocation);
XContentParserUtils.ensureExpectedToken(XContentParser.Token.END_OBJECT, parser.nextToken(), parser);
return analysis;
}

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6 changes: 3 additions & 3 deletions ...gh-level/src/main/java/org/elasticsearch/client/ml/dataframe/DataFrameAnalyticsStats.java
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Expand Up @@ -80,10 +80,10 @@ public static DataFrameAnalyticsStats fromXContent(XContentParser parser) throws
}

private static AnalysisStats parseAnalysisStats(XContentParser parser) throws IOException {
XContentParserUtils.ensureExpectedToken(XContentParser.Token.START_OBJECT, parser.currentToken(), parser::getTokenLocation);
XContentParserUtils.ensureExpectedToken(XContentParser.Token.FIELD_NAME, parser.nextToken(), parser::getTokenLocation);
XContentParserUtils.ensureExpectedToken(XContentParser.Token.START_OBJECT, parser.currentToken(), parser);
XContentParserUtils.ensureExpectedToken(XContentParser.Token.FIELD_NAME, parser.nextToken(), parser);
AnalysisStats analysisStats = parser.namedObject(AnalysisStats.class, parser.currentName(), true);
XContentParserUtils.ensureExpectedToken(XContentParser.Token.END_OBJECT, parser.nextToken(), parser::getTokenLocation);
XContentParserUtils.ensureExpectedToken(XContentParser.Token.END_OBJECT, parser.nextToken(), parser);
return analysisStats;
}

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4 changes: 2 additions & 2 deletions ...-high-level/src/main/java/org/elasticsearch/client/security/DeletePrivilegesResponse.java
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Expand Up @@ -60,9 +60,9 @@ public static DeletePrivilegesResponse fromXContent(XContentParser parser) throw
if (token == null) {
token = parser.nextToken();
}
ensureExpectedToken(XContentParser.Token.START_OBJECT, token, parser::getTokenLocation);
ensureExpectedToken(XContentParser.Token.START_OBJECT, token, parser);
token = parser.nextToken();
ensureExpectedToken(XContentParser.Token.FIELD_NAME, token, parser::getTokenLocation);
ensureExpectedToken(XContentParser.Token.FIELD_NAME, token, parser);
final String application = parser.currentName();
final List<String> foundAndDeletedPrivileges = new ArrayList<>();
token = parser.nextToken();
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4 changes: 2 additions & 2 deletions ...est-high-level/src/main/java/org/elasticsearch/client/security/GetPrivilegesResponse.java
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Expand Up @@ -47,12 +47,12 @@ public GetPrivilegesResponse(Collection<ApplicationPrivilege> privileges) {
}

public static GetPrivilegesResponse fromXContent(XContentParser parser) throws IOException {
XContentParserUtils.ensureExpectedToken(XContentParser.Token.START_OBJECT, parser.nextToken(), parser::getTokenLocation);
XContentParserUtils.ensureExpectedToken(XContentParser.Token.START_OBJECT, parser.nextToken(), parser);
List<ApplicationPrivilege> privileges = new ArrayList<>();
XContentParser.Token token;
while ((token = parser.nextToken()) != null) {
if (token == XContentParser.Token.FIELD_NAME) {
XContentParserUtils.ensureExpectedToken(XContentParser.Token.START_OBJECT, parser.nextToken(), parser::getTokenLocation);
XContentParserUtils.ensureExpectedToken(XContentParser.Token.START_OBJECT, parser.nextToken(), parser);
while (parser.nextToken() != XContentParser.Token.END_OBJECT) {
privileges.add(ApplicationPrivilege.PARSER.parse(parser, null));
}
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4 changes: 2 additions & 2 deletions ...t-high-level/src/main/java/org/elasticsearch/client/security/GetRoleMappingsResponse.java
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Expand Up @@ -58,10 +58,10 @@ public int hashCode() {
public static GetRoleMappingsResponse fromXContent(XContentParser parser) throws IOException {
final List<ExpressionRoleMapping> roleMappings = new ArrayList<>();

XContentParserUtils.ensureExpectedToken(XContentParser.Token.START_OBJECT, parser.nextToken(), parser::getTokenLocation);
XContentParserUtils.ensureExpectedToken(XContentParser.Token.START_OBJECT, parser.nextToken(), parser);
XContentParser.Token token;
while ((token = parser.nextToken()) != XContentParser.Token.END_OBJECT) {
XContentParserUtils.ensureExpectedToken(XContentParser.Token.FIELD_NAME, token, parser::getTokenLocation);
XContentParserUtils.ensureExpectedToken(XContentParser.Token.FIELD_NAME, token, parser);
roleMappings.add(ExpressionRoleMapping.PARSER.parse(parser, parser.currentName()));
}

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4 changes: 2 additions & 2 deletions client/rest-high-level/src/main/java/org/elasticsearch/client/security/GetRolesResponse.java
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Expand Up @@ -59,12 +59,12 @@ public Map<String, Object> getTransientMetadata(String roleName) {
}

public static GetRolesResponse fromXContent(XContentParser parser) throws IOException {
XContentParserUtils.ensureExpectedToken(XContentParser.Token.START_OBJECT, parser.nextToken(), parser::getTokenLocation);
XContentParserUtils.ensureExpectedToken(XContentParser.Token.START_OBJECT, parser.nextToken(), parser);
final List<Role> roles = new ArrayList<>();
final Map<String, Map<String, Object>> transientMetadata = new HashMap<>();
XContentParser.Token token;
while ((token = parser.nextToken()) != XContentParser.Token.END_OBJECT) {
XContentParserUtils.ensureExpectedToken(XContentParser.Token.FIELD_NAME, token, parser::getTokenLocation);
XContentParserUtils.ensureExpectedToken(XContentParser.Token.FIELD_NAME, token, parser);
final Tuple<Role, Map<String, Object>> roleAndTransientMetadata = Role.PARSER.parse(parser, parser.currentName());
roles.add(roleAndTransientMetadata.v1());
transientMetadata.put(roleAndTransientMetadata.v1().getName(), roleAndTransientMetadata.v2());
Expand Down
2 changes: 1 addition & 1 deletion ...igh-level/src/main/java/org/elasticsearch/client/security/GetSslCertificatesResponse.java
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Expand Up @@ -55,7 +55,7 @@ public int hashCode() {

public static GetSslCertificatesResponse fromXContent(XContentParser parser) throws IOException {
List<CertificateInfo> certificates = new ArrayList<>();
XContentParserUtils.ensureExpectedToken(XContentParser.Token.START_ARRAY, parser.nextToken(), parser::getTokenLocation);
XContentParserUtils.ensureExpectedToken(XContentParser.Token.START_ARRAY, parser.nextToken(), parser);
while (parser.nextToken() != XContentParser.Token.END_ARRAY) {
certificates.add(CertificateInfo.PARSER.parse(parser, null));
}
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4 changes: 2 additions & 2 deletions client/rest-high-level/src/main/java/org/elasticsearch/client/security/GetUsersResponse.java
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Expand Up @@ -62,12 +62,12 @@ public List<User> getEnabledUsers() {
}

public static GetUsersResponse fromXContent(XContentParser parser) throws IOException {
XContentParserUtils.ensureExpectedToken(Token.START_OBJECT, parser.nextToken(), parser::getTokenLocation);
XContentParserUtils.ensureExpectedToken(Token.START_OBJECT, parser.nextToken(), parser);
final List<User> users = new ArrayList<>();
final List<User> enabledUsers = new ArrayList<>();
Token token;
while ((token = parser.nextToken()) != Token.END_OBJECT) {
XContentParserUtils.ensureExpectedToken(Token.FIELD_NAME, token, parser::getTokenLocation);
XContentParserUtils.ensureExpectedToken(Token.FIELD_NAME, token, parser);
ParsedUser parsedUser = USER_PARSER.parse(parser, parser.currentName());
users.add(parsedUser.user);
if (parsedUser.enabled) {
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2 changes: 1 addition & 1 deletion ...t-high-level/src/main/java/org/elasticsearch/client/security/InvalidateTokenResponse.java
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Expand Up @@ -110,7 +110,7 @@ public static InvalidateTokenResponse fromXContent(XContentParser parser) throws
if (parser.currentToken() == null) {
parser.nextToken();
}
XContentParserUtils.ensureExpectedToken(XContentParser.Token.START_OBJECT, parser.currentToken(), parser::getTokenLocation);
XContentParserUtils.ensureExpectedToken(XContentParser.Token.START_OBJECT, parser.currentToken(), parser);
return PARSER.parse(parser, null);
}
}
4 changes: 2 additions & 2 deletions client/rest-high-level/src/main/java/org/elasticsearch/client/security/PutRoleResponse.java
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Expand Up @@ -72,11 +72,11 @@ public static PutRoleResponse fromXContent(XContentParser parser) throws IOExcep
parser.nextToken();
}
// parse extraneous wrapper
ensureExpectedToken(Token.START_OBJECT, parser.currentToken(), parser::getTokenLocation);
ensureExpectedToken(Token.START_OBJECT, parser.currentToken(), parser);
ensureFieldName(parser, parser.nextToken(), "role");
parser.nextToken();
final PutRoleResponse roleResponse = PARSER.parse(parser, null);
ensureExpectedToken(Token.END_OBJECT, parser.nextToken(), parser::getTokenLocation);
ensureExpectedToken(Token.END_OBJECT, parser.nextToken(), parser);
return roleResponse;
}
}
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