Low level Rest Client

build.gradle

@@ -162,6 +162,8 @@ subprojects {
   ext.projectSubstitutions = [
     "org.elasticsearch:rest-api-spec:${version}": ':rest-api-spec',
     "org.elasticsearch:elasticsearch:${version}": ':core',
+    "org.elasticsearch:client:${version}": ':client',
+    "org.elasticsearch:client-sniffer:${version}": ':client-sniffer',
     "org.elasticsearch.test:framework:${version}": ':test:framework',
     "org.elasticsearch.distribution.integ-test-zip:elasticsearch:${version}": ':distribution:integ-test-zip',
     "org.elasticsearch.distribution.zip:elasticsearch:${version}": ':distribution:zip',

buildSrc/src/main/resources/checkstyle_suppressions.xml

@@ -1049,7 +1049,6 @@
   <suppress files="core[/\\]src[/\\]test[/\\]java[/\\]org[/\\]elasticsearch[/\\]monitor[/\\]jvm[/\\]JvmGcMonitorServiceSettingsTests.java" checks="LineLength" />
   <suppress files="core[/\\]src[/\\]test[/\\]java[/\\]org[/\\]elasticsearch[/\\]monitor[/\\]os[/\\]OsProbeTests.java" checks="LineLength" />
   <suppress files="core[/\\]src[/\\]test[/\\]java[/\\]org[/\\]elasticsearch[/\\]nodesinfo[/\\]NodeInfoStreamingTests.java" checks="LineLength" />
-  <suppress files="core[/\\]src[/\\]test[/\\]java[/\\]org[/\\]elasticsearch[/\\]options[/\\]detailederrors[/\\]DetailedErrorsEnabledIT.java" checks="LineLength" />
   <suppress files="core[/\\]src[/\\]test[/\\]java[/\\]org[/\\]elasticsearch[/\\]plugins[/\\]PluginInfoTests.java" checks="LineLength" />
   <suppress files="core[/\\]src[/\\]test[/\\]java[/\\]org[/\\]elasticsearch[/\\]plugins[/\\]PluginsServiceTests.java" checks="LineLength" />
   <suppress files="core[/\\]src[/\\]test[/\\]java[/\\]org[/\\]elasticsearch[/\\]recovery[/\\]FullRollingRestartIT.java" checks="LineLength" />
@@ -1312,17 +1311,13 @@
   <suppress files="test[/\\]framework[/\\]src[/\\]main[/\\]java[/\\]org[/\\]elasticsearch[/\\]test[/\\]engine[/\\]MockEngineSupport.java" checks="LineLength" />
   <suppress files="test[/\\]framework[/\\]src[/\\]main[/\\]java[/\\]org[/\\]elasticsearch[/\\]test[/\\]hamcrest[/\\]ElasticsearchAssertions.java" checks="LineLength" />
   <suppress files="test[/\\]framework[/\\]src[/\\]main[/\\]java[/\\]org[/\\]elasticsearch[/\\]test[/\\]junit[/\\]listeners[/\\]LoggingListener.java" checks="LineLength" />
-  <suppress files="test[/\\]framework[/\\]src[/\\]main[/\\]java[/\\]org[/\\]elasticsearch[/\\]test[/\\]rest[/\\]ESRestTestCase.java" checks="LineLength" />
-  <suppress files="test[/\\]framework[/\\]src[/\\]main[/\\]java[/\\]org[/\\]elasticsearch[/\\]test[/\\]rest[/\\]RestTestExecutionContext.java" checks="LineLength" />
-  <suppress files="test[/\\]framework[/\\]src[/\\]main[/\\]java[/\\]org[/\\]elasticsearch[/\\]test[/\\]rest[/\\]client[/\\]http[/\\]HttpRequestBuilder.java" checks="LineLength" />
   <suppress files="test[/\\]framework[/\\]src[/\\]main[/\\]java[/\\]org[/\\]elasticsearch[/\\]test[/\\]rest[/\\]json[/\\]JsonPath.java" checks="LineLength" />
   <suppress files="test[/\\]framework[/\\]src[/\\]main[/\\]java[/\\]org[/\\]elasticsearch[/\\]test[/\\]rest[/\\]parser[/\\]GreaterThanEqualToParser.java" checks="LineLength" />
   <suppress files="test[/\\]framework[/\\]src[/\\]main[/\\]java[/\\]org[/\\]elasticsearch[/\\]test[/\\]rest[/\\]parser[/\\]GreaterThanParser.java" checks="LineLength" />
   <suppress files="test[/\\]framework[/\\]src[/\\]main[/\\]java[/\\]org[/\\]elasticsearch[/\\]test[/\\]rest[/\\]parser[/\\]LessThanOrEqualToParser.java" checks="LineLength" />
   <suppress files="test[/\\]framework[/\\]src[/\\]main[/\\]java[/\\]org[/\\]elasticsearch[/\\]test[/\\]rest[/\\]parser[/\\]LessThanParser.java" checks="LineLength" />
   <suppress files="test[/\\]framework[/\\]src[/\\]main[/\\]java[/\\]org[/\\]elasticsearch[/\\]test[/\\]rest[/\\]parser[/\\]RestTestSuiteParseContext.java" checks="LineLength" />
   <suppress files="test[/\\]framework[/\\]src[/\\]main[/\\]java[/\\]org[/\\]elasticsearch[/\\]test[/\\]rest[/\\]parser[/\\]RestTestSuiteParser.java" checks="LineLength" />
-  <suppress files="test[/\\]framework[/\\]src[/\\]main[/\\]java[/\\]org[/\\]elasticsearch[/\\]test[/\\]rest[/\\]section[/\\]DoSection.java" checks="LineLength" />
   <suppress files="test[/\\]framework[/\\]src[/\\]main[/\\]java[/\\]org[/\\]elasticsearch[/\\]test[/\\]rest[/\\]section[/\\]GreaterThanAssertion.java" checks="LineLength" />
   <suppress files="test[/\\]framework[/\\]src[/\\]main[/\\]java[/\\]org[/\\]elasticsearch[/\\]test[/\\]rest[/\\]section[/\\]GreaterThanEqualToAssertion.java" checks="LineLength" />
   <suppress files="test[/\\]framework[/\\]src[/\\]main[/\\]java[/\\]org[/\\]elasticsearch[/\\]test[/\\]rest[/\\]section[/\\]LengthAssertion.java" checks="LineLength" />

client-sniffer/build.gradle

@@ -0,0 +1,80 @@
+/*
+ * Licensed to Elasticsearch under one or more contributor
+ * license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright
+ * ownership. Elasticsearch licenses this file to you under
+ * the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+import org.elasticsearch.gradle.precommit.PrecommitTasks
+import org.gradle.api.JavaVersion
+
+apply plugin: 'elasticsearch.build'
+
+targetCompatibility = JavaVersion.VERSION_1_7
+sourceCompatibility = JavaVersion.VERSION_1_7
+
+dependencies {
+  compile "org.elasticsearch:client:${version}"
+  compile "org.apache.httpcomponents:httpclient:${versions.httpclient}"
+  compile "org.apache.httpcomponents:httpcore:${versions.httpcore}"
+  compile "commons-codec:commons-codec:${versions.commonscodec}"
+  compile "commons-logging:commons-logging:${versions.commonslogging}"
+  compile "com.fasterxml.jackson.core:jackson-core:${versions.jackson}"
+
+  testCompile "com.carrotsearch.randomizedtesting:randomizedtesting-runner:${versions.randomizedrunner}"
+  testCompile "junit:junit:${versions.junit}"
+  testCompile "org.hamcrest:hamcrest-all:1.3"
+  testCompile "org.apache.lucene:lucene-test-framework:${versions.lucene}"
+  testCompile "org.apache.lucene:lucene-core:${versions.lucene}"
+  testCompile "org.apache.lucene:lucene-codecs:${versions.lucene}"
+  testCompile "org.elasticsearch:securemock:1.2"
+}
+
+//TODO compiling from 1.8 with target 1.7 and source 1.7 is best effort, not enough to ensure we are java 7 compatible
+compileJava.options.compilerArgs << '-target' << '1.7' << '-source' << '1.7' << '-Xlint:all,-path,-serial,-options'
+compileTestJava.options.compilerArgs << '-target' << '1.7' << '-source' << '1.7'
+
+forbiddenApisMain {
+  //client does not depend on core, so only jdk signatures should be checked
+  signaturesURLs = [PrecommitTasks.getResource('/forbidden/jdk-signatures.txt')]
+}
+
+//TODO would be nice to just exclude the classes where we use com.sun.net.httpserver.* classes
+//excludes don't seem to work though and we don't want to have our own @SuppressForbidden
+forbiddenApisTest.enabled=false
+
+//forbiddenApisTest {
+  //client does not depend on core, so only jdk signatures should be checked
+  //signaturesURLs = [PrecommitTasks.getResource('/forbidden/jdk-signatures.txt')]
+//}
+
+//JarHell is part of es core, which we don't want to pull in
+jarHell.enabled=false
+//NamingConventionCheck is part of test-framework, which we don't want to pull in as it depends on es core
+namingConventions.enabled=false
+
+thirdPartyAudit.excludes = [
+  //commons-logging optional dependencies
+  'org.apache.avalon.framework.logger.Logger',
+  'org.apache.log.Hierarchy',
+  'org.apache.log.Logger',
+  'org.apache.log4j.Category',
+  'org.apache.log4j.Level',
+  'org.apache.log4j.Logger',
+  'org.apache.log4j.Priority',
+  //commons-logging provided dependencies
+  'javax.servlet.ServletContextEvent',
+  'javax.servlet.ServletContextListener'
+]

client-sniffer/licenses/client-5.0.0-SNAPSHOT.jar.sha1

@@ -0,0 +1 @@
+4ba4746aa38f81ec7e8341da8c86784bf5384046

client-sniffer/licenses/client-LICENSE.txt

@@ -0,0 +1,202 @@
+
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
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client-sniffer/licenses/client-NOTICE.txt

@@ -0,0 +1,5 @@
+Elasticsearch
+Copyright 2009-2016 Elasticsearch
+
+This product includes software developed by The Apache Software
+Foundation (http://www.apache.org/).

client-sniffer/licenses/commons-codec-1.10.jar.sha1

@@ -0,0 +1 @@
+4b95f4897fa13f2cd904aee711aeafc0c5295cd8