Dry up Settings from Map Construction

client/rest-high-level/src/main/java/org/elasticsearch/client/indices/AnalyzeRequest.java

@@ -25,8 +25,6 @@
 import org.elasticsearch.common.xcontent.ToXContentFragment;
 import org.elasticsearch.common.xcontent.ToXContentObject;
 import org.elasticsearch.common.xcontent.XContentBuilder;
-import org.elasticsearch.common.xcontent.XContentFactory;
-import org.elasticsearch.common.xcontent.XContentType;
 
 import java.io.IOException;
 import java.util.ArrayList;
@@ -207,13 +205,7 @@ static class NameOrDefinition implements ToXContentFragment {
         NameOrDefinition(Map<String, ?> definition) {
             this.name = null;
             Objects.requireNonNull(definition);
-            try {
-                XContentBuilder builder = XContentFactory.contentBuilder(XContentType.JSON);
-                builder.map(definition);
-                this.definition = Settings.builder().loadFromSource(Strings.toString(builder), builder.contentType()).build();
-            } catch (IOException e) {
-                throw new IllegalArgumentException("Failed to parse [" + definition + "]", e);
-            }
+            this.definition = Settings.builder().loadFromMap(definition).build();
         }
 
         @Override

client/rest-high-level/src/main/java/org/elasticsearch/client/indices/CreateIndexRequest.java

@@ -127,13 +127,7 @@ public CreateIndexRequest settings(XContentBuilder builder) {
      * The settings to create the index with (either json/yaml/properties format)
      */
     public CreateIndexRequest settings(Map<String, ?> source) {
-        try {
-            XContentBuilder builder = XContentFactory.contentBuilder(XContentType.JSON);
-            builder.map(source);
-            settings(Strings.toString(builder), XContentType.JSON);
-        } catch (IOException e) {
-            throw new ElasticsearchGenerationException("Failed to generate [" + source + "]", e);
-        }
+        this.settings = Settings.builder().loadFromMap(source).build();
         return this;
     }
 

client/rest-high-level/src/main/java/org/elasticsearch/client/indices/PutIndexTemplateRequest.java

@@ -22,7 +22,6 @@
 import org.elasticsearch.ElasticsearchParseException;
 import org.elasticsearch.action.admin.indices.alias.Alias;
 import org.elasticsearch.client.TimedRequest;
-import org.elasticsearch.common.Strings;
 import org.elasticsearch.common.bytes.BytesArray;
 import org.elasticsearch.common.bytes.BytesReference;
 import org.elasticsearch.common.settings.Settings;
@@ -170,13 +169,7 @@ public PutIndexTemplateRequest settings(String source, XContentType xContentType
      * The settings to create the index template with (either json or yaml format).
      */
     public PutIndexTemplateRequest settings(Map<String, Object> source) {
-        try {
-            XContentBuilder builder = XContentFactory.contentBuilder(XContentType.JSON);
-            builder.map(source);
-            settings(Strings.toString(builder), XContentType.JSON);
-        } catch (IOException e) {
-            throw new ElasticsearchGenerationException("Failed to generate [" + source + "]", e);
-        }
+        this.settings = Settings.builder().loadFromMap(source).build();
         return this;
     }
 

client/rest-high-level/src/main/java/org/elasticsearch/client/ml/job/config/CategorizationAnalyzerConfig.java

@@ -19,13 +19,10 @@
 package org.elasticsearch.client.ml.job.config;
 
 import org.elasticsearch.common.ParseField;
-import org.elasticsearch.common.Strings;
 import org.elasticsearch.common.settings.Settings;
 import org.elasticsearch.common.xcontent.ToXContentFragment;
 import org.elasticsearch.common.xcontent.XContentBuilder;
-import org.elasticsearch.common.xcontent.XContentFactory;
 import org.elasticsearch.common.xcontent.XContentParser;
-import org.elasticsearch.common.xcontent.XContentType;
 import org.elasticsearch.rest.action.admin.indices.RestAnalyzeAction;
 
 import java.io.IOException;
@@ -160,10 +157,8 @@ public static final class NameOrDefinition implements ToXContentFragment {
             this.name = null;
             Objects.requireNonNull(definition);
             try {
-                XContentBuilder builder = XContentFactory.contentBuilder(XContentType.JSON);
-                builder.map(definition);
-                this.definition = Settings.builder().loadFromSource(Strings.toString(builder), builder.contentType()).build();
-            } catch (IOException e) {
+                this.definition = Settings.builder().loadFromMap(definition).build();
+            } catch (Exception e) {
                 throw new IllegalArgumentException("Failed to parse [" + definition + "] in [" + field.getPreferredName() + "]", e);
             }
         }

server/src/main/java/org/elasticsearch/action/admin/cluster/repositories/put/PutRepositoryRequest.java

@@ -19,16 +19,13 @@
 
 package org.elasticsearch.action.admin.cluster.repositories.put;
 
-import org.elasticsearch.ElasticsearchGenerationException;
 import org.elasticsearch.action.ActionRequestValidationException;
 import org.elasticsearch.action.support.master.AcknowledgedRequest;
-import org.elasticsearch.common.Strings;
 import org.elasticsearch.common.io.stream.StreamInput;
 import org.elasticsearch.common.io.stream.StreamOutput;
 import org.elasticsearch.common.settings.Settings;
 import org.elasticsearch.common.xcontent.ToXContentObject;
 import org.elasticsearch.common.xcontent.XContentBuilder;
-import org.elasticsearch.common.xcontent.XContentFactory;
 import org.elasticsearch.common.xcontent.XContentType;
 
 import java.io.IOException;
@@ -168,13 +165,7 @@ public PutRepositoryRequest settings(String source, XContentType xContentType) {
      * @return this request
      */
     public PutRepositoryRequest settings(Map<String, Object> source) {
-        try {
-            XContentBuilder builder = XContentFactory.contentBuilder(XContentType.JSON);
-            builder.map(source);
-            settings(Strings.toString(builder), builder.contentType());
-        } catch (IOException e) {
-            throw new ElasticsearchGenerationException("Failed to generate [" + source + "]", e);
-        }
+        this.settings = Settings.builder().loadFromMap(source).build();
         return this;
     }
 

server/src/main/java/org/elasticsearch/action/admin/cluster/settings/ClusterUpdateSettingsRequest.java

@@ -19,18 +19,15 @@
 
 package org.elasticsearch.action.admin.cluster.settings;
 
-import org.elasticsearch.ElasticsearchGenerationException;
 import org.elasticsearch.action.ActionRequestValidationException;
 import org.elasticsearch.action.support.master.AcknowledgedRequest;
 import org.elasticsearch.common.ParseField;
-import org.elasticsearch.common.Strings;
 import org.elasticsearch.common.io.stream.StreamInput;
 import org.elasticsearch.common.io.stream.StreamOutput;
 import org.elasticsearch.common.settings.Settings;
 import org.elasticsearch.common.xcontent.ObjectParser;
 import org.elasticsearch.common.xcontent.ToXContentObject;
 import org.elasticsearch.common.xcontent.XContentBuilder;
-import org.elasticsearch.common.xcontent.XContentFactory;
 import org.elasticsearch.common.xcontent.XContentParser;
 import org.elasticsearch.common.xcontent.XContentType;
 
@@ -115,13 +112,7 @@ public ClusterUpdateSettingsRequest transientSettings(String source, XContentTyp
      * Sets the transient settings to be updated. They will not survive a full cluster restart
      */
     public ClusterUpdateSettingsRequest transientSettings(Map<String, ?> source) {
-        try {
-            XContentBuilder builder = XContentFactory.contentBuilder(XContentType.JSON);
-            builder.map(source);
-            transientSettings(Strings.toString(builder), builder.contentType());
-        } catch (IOException e) {
-            throw new ElasticsearchGenerationException("Failed to generate [" + source + "]", e);
-        }
+        this.transientSettings = Settings.builder().loadFromMap(source).build();
         return this;
     }
 
@@ -153,13 +144,7 @@ public ClusterUpdateSettingsRequest persistentSettings(String source, XContentTy
      * Sets the persistent settings to be updated. They will get applied cross restarts
      */
     public ClusterUpdateSettingsRequest persistentSettings(Map<String, ?> source) {
-        try {
-            XContentBuilder builder = XContentFactory.contentBuilder(XContentType.JSON);
-            builder.map(source);
-            persistentSettings(Strings.toString(builder), builder.contentType());
-        } catch (IOException e) {
-            throw new ElasticsearchGenerationException("Failed to generate [" + source + "]", e);
-        }
+        this.persistentSettings = Settings.builder().loadFromMap(source).build();
         return this;
     }
 
@@ -183,7 +168,7 @@ public XContentBuilder toXContent(XContentBuilder builder, Params params) throws
         return builder;
     }
 
-    public static ClusterUpdateSettingsRequest fromXContent(XContentParser parser) throws IOException {
+    public static ClusterUpdateSettingsRequest fromXContent(XContentParser parser) {
         return PARSER.apply(parser, null);
     }
 }

server/src/main/java/org/elasticsearch/action/admin/cluster/snapshots/restore/RestoreSnapshotRequest.java

@@ -19,7 +19,6 @@
 
 package org.elasticsearch.action.admin.cluster.snapshots.restore;
 
-import org.elasticsearch.ElasticsearchGenerationException;
 import org.elasticsearch.action.ActionRequestValidationException;
 import org.elasticsearch.action.support.IndicesOptions;
 import org.elasticsearch.action.support.master.MasterNodeRequest;
@@ -30,7 +29,6 @@
 import org.elasticsearch.common.settings.Settings;
 import org.elasticsearch.common.xcontent.ToXContentObject;
 import org.elasticsearch.common.xcontent.XContentBuilder;
-import org.elasticsearch.common.xcontent.XContentFactory;
 import org.elasticsearch.common.xcontent.XContentType;
 
 import java.io.IOException;
@@ -417,13 +415,7 @@ public RestoreSnapshotRequest indexSettings(String source, XContentType xContent
      * Sets settings that should be added/changed in all restored indices
      */
     public RestoreSnapshotRequest indexSettings(Map<String, Object> source) {
-        try {
-            XContentBuilder builder = XContentFactory.contentBuilder(XContentType.JSON);
-            builder.map(source);
-            indexSettings(Strings.toString(builder), builder.contentType());
-        } catch (IOException e) {
-            throw new ElasticsearchGenerationException("Failed to generate [" + source + "]", e);
-        }
+        this.indexSettings = Settings.builder().loadFromMap(source).build();
         return this;
     }
 

server/src/main/java/org/elasticsearch/action/admin/indices/create/CreateIndexRequest.java

@@ -208,13 +208,7 @@ public CreateIndexRequest settings(XContentBuilder builder) {
      * The settings to create the index with (either json/yaml/properties format)
      */
     public CreateIndexRequest settings(Map<String, ?> source) {
-        try {
-            XContentBuilder builder = XContentFactory.contentBuilder(XContentType.JSON);
-            builder.map(source);
-            settings(Strings.toString(builder), XContentType.JSON);
-        } catch (IOException e) {
-            throw new ElasticsearchGenerationException("Failed to generate [" + source + "]", e);
-        }
+        this.settings = Settings.builder().loadFromMap(source).build();
         return this;
     }
 

server/src/main/java/org/elasticsearch/action/admin/indices/settings/put/UpdateSettingsRequest.java

@@ -19,7 +19,6 @@
 
 package org.elasticsearch.action.admin.indices.settings.put;
 
-import org.elasticsearch.ElasticsearchGenerationException;
 import org.elasticsearch.action.ActionRequestValidationException;
 import org.elasticsearch.action.IndicesRequest;
 import org.elasticsearch.action.support.IndicesOptions;
@@ -30,7 +29,6 @@
 import org.elasticsearch.common.settings.Settings;
 import org.elasticsearch.common.xcontent.ToXContentObject;
 import org.elasticsearch.common.xcontent.XContentBuilder;
-import org.elasticsearch.common.xcontent.XContentFactory;
 import org.elasticsearch.common.xcontent.XContentParser;
 import org.elasticsearch.common.xcontent.XContentType;
 
@@ -169,13 +167,7 @@ public UpdateSettingsRequest setPreserveExisting(boolean preserveExisting) {
      * Sets the settings to be updated (either json or yaml format)
      */
     public UpdateSettingsRequest settings(Map<String, ?> source) {
-        try {
-            XContentBuilder builder = XContentFactory.contentBuilder(XContentType.JSON);
-            builder.map(source);
-            settings(Strings.toString(builder), builder.contentType());
-        } catch (IOException e) {
-            throw new ElasticsearchGenerationException("Failed to generate [" + source + "]", e);
-        }
+        this.settings = Settings.builder().loadFromMap(source).build();
         return this;
     }
 

server/src/main/java/org/elasticsearch/action/admin/indices/template/put/PutIndexTemplateRequest.java

@@ -211,13 +211,7 @@ public PutIndexTemplateRequest settings(String source, XContentType xContentType
      * The settings to create the index template with (either json or yaml format).
      */
     public PutIndexTemplateRequest settings(Map<String, Object> source) {
-        try {
-            XContentBuilder builder = XContentFactory.contentBuilder(XContentType.JSON);
-            builder.map(source);
-            settings(Strings.toString(builder), XContentType.JSON);
-        } catch (IOException e) {
-            throw new ElasticsearchGenerationException("Failed to generate [" + source + "]", e);
-        }
+        this.settings = Settings.builder().loadFromMap(source).build();
         return this;
     }
 

server/src/main/java/org/elasticsearch/common/settings/Settings.java

@@ -21,6 +21,7 @@
 
 import org.apache.logging.log4j.Level;
 import org.apache.lucene.util.SetOnce;
+import org.elasticsearch.ElasticsearchGenerationException;
 import org.elasticsearch.ElasticsearchParseException;
 import org.elasticsearch.Version;
 import org.elasticsearch.common.Booleans;
@@ -1019,6 +1020,19 @@ private void processLegacyLists(Map<String, Object> map) {
             }
         }
 
+        /**
+         * Loads settings from a map.
+         */
+        public Builder loadFromMap(Map<String, ?> map) {
+            // TODO: do this without a serialization round-trip
+            try (XContentBuilder builder = XContentFactory.contentBuilder(XContentType.JSON)) {
+                builder.map(map);
+                return loadFromSource(Strings.toString(builder), builder.contentType());
+            } catch (IOException e) {
+                throw new ElasticsearchGenerationException("Failed to generate [" + map + "]", e);
+            }
+        }
+
         /**
          * Loads settings from the actual string content that represents them using {@link #fromXContent(XContentParser)}
          */

server/src/main/java/org/elasticsearch/index/analysis/NameOrDefinition.java

@@ -19,17 +19,14 @@
 
 package org.elasticsearch.index.analysis;
 
-import org.elasticsearch.common.Strings;
 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.common.xcontent.ToXContentFragment;
 import org.elasticsearch.common.xcontent.XContentBuilder;
-import org.elasticsearch.common.xcontent.XContentFactory;
 import org.elasticsearch.common.xcontent.XContentParseException;
 import org.elasticsearch.common.xcontent.XContentParser;
-import org.elasticsearch.common.xcontent.XContentType;
 
 import java.io.IOException;
 import java.util.Map;
@@ -49,10 +46,8 @@ public NameOrDefinition(Map<String, ?> definition) {
         this.name = null;
         Objects.requireNonNull(definition);
         try {
-            XContentBuilder builder = XContentFactory.contentBuilder(XContentType.JSON);
-            builder.map(definition);
-            this.definition = Settings.builder().loadFromSource(Strings.toString(builder), builder.contentType()).build();
-        } catch (IOException e) {
+            this.definition = Settings.builder().loadFromMap(definition).build();
+        } catch (Exception e) {
             throw new IllegalArgumentException("Failed to parse [" + definition + "]", e);
         }
     }