Issue #4881 - Java client connector

Provide a basic implementation of a client connector using java.net.http.HttpClient

Signed-off-by: Steffen Nießing <[email protected]>

bom/pom.xml

@@ -73,6 +73,11 @@
                 <artifactId>jersey-grizzly-connector</artifactId>
                 <version>${project.version}</version>
             </dependency>
+            <dependency>
+                <groupId>org.glassfish.jersey.connectors</groupId>
+                <artifactId>jersey-java-connector</artifactId>
+                <version>${project.version}</version>
+            </dependency>
             <dependency>
                 <groupId>org.glassfish.jersey.connectors</groupId>
                 <artifactId>jersey-jetty-connector</artifactId>

connectors/java-connector/pom.xml

@@ -0,0 +1,79 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+
+    Copyright (c) 2021 Oracle and/or its affiliates. All rights reserved.
+
+    This program and the accompanying materials are made available under the
+    terms of the Eclipse Public License v. 2.0, which is available at
+    http://www.eclipse.org/legal/epl-2.0.
+
+    This Source Code may also be made available under the following Secondary
+    Licenses when the conditions for such availability set forth in the
+    Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
+    version 2 with the GNU Classpath Exception, which is available at
+    https://www.gnu.org/software/classpath/license.html.
+
+    SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
+
+-->
+
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <artifactId>project</artifactId>
+        <groupId>org.glassfish.jersey.connectors</groupId>
+        <version>3.1.0-SNAPSHOT</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>jersey-java-connector</artifactId>
+    <packaging>jar</packaging>
+    <name>jersey-connectors-java</name>
+
+    <description>Jersey Client Transport via Java's HttpClient</description>
+
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.glassfish.jersey.test-framework.providers</groupId>
+            <artifactId>jersey-test-framework-provider-bundle</artifactId>
+            <version>${project.version}</version>
+            <type>pom</type>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.assertj</groupId>
+            <artifactId>assertj-core</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.awaitility</groupId>
+            <artifactId>awaitility</artifactId>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>com.sun.istack</groupId>
+                <artifactId>istack-commons-maven-plugin</artifactId>
+                <inherited>true</inherited>
+            </plugin>
+            <plugin>
+                <groupId>org.codehaus.mojo</groupId>
+                <artifactId>build-helper-maven-plugin</artifactId>
+                <inherited>true</inherited>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>

connectors/java-connector/src/main/java/org/glassfish/jersey/java/connector/JavaClientProperties.java

@@ -0,0 +1,51 @@
+/*
+ * Copyright (c) 2021 Oracle and/or its affiliates. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v. 2.0, which is available at
+ * http://www.eclipse.org/legal/epl-2.0.
+ *
+ * This Source Code may also be made available under the following Secondary
+ * Licenses when the conditions for such availability set forth in the
+ * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
+ * version 2 with the GNU Classpath Exception, which is available at
+ * https://www.gnu.org/software/classpath/license.html.
+ *
+ * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
+ */
+
+package org.glassfish.jersey.java.connector;
+
+import org.glassfish.jersey.internal.util.PropertiesClass;
+
+import java.net.http.HttpClient;
+
+/**
+ * Provides configuration properties for a {@link JavaConnector}.
+ *
+ * @author Steffen Nießing
+ */
+@PropertiesClass
+public class JavaClientProperties {
+    /**
+     * Configuration of the {@link java.net.CookieHandler} that should be used by the {@link HttpClient}.
+     * If this option is not set, {@link HttpClient#cookieHandler()} will return an empty {@link java.util.Optional}
+     * and therefore no cookie handler will be used.
+     *
+     * A provided value to this option has to be of type {@link java.net.CookieHandler}.
+     */
+    public static final String COOKIE_HANDLER = "jersey.config.java.client.cookieHandler";
+
+    /**
+     * Configuration of SSL parameters used by the {@link HttpClient}.
+     * If this option is not set, then the {@link HttpClient} will use <it>implementation specific</it> default values.
+     *
+     * A provided value to this option has to be of type {@link javax.net.ssl.SSLParameters}.
+     */
+    public static final String SSL_PARAMETERS = "jersey.config.java.client.sslParameters";
+
+    /**
+     * Prevent this class from instantiation.
+     */
+    private JavaClientProperties() {}
+}