Include well-known types in Java runtime.

Change-Id: I816fe2fac7fccbcd96dd8510c7c9b5e7996aeadc

java/pom.xml

@@ -81,7 +81,17 @@
                 <exec executable="../src/protoc">
                   <arg value="--java_out=target/generated-sources" />
                   <arg value="--proto_path=../src" />
+                  <arg value="../src/google/protobuf/any.proto" />
+                  <arg value="../src/google/protobuf/api.proto" />
                   <arg value="../src/google/protobuf/descriptor.proto" />
+                  <arg value="../src/google/protobuf/duration.proto" />
+                  <arg value="../src/google/protobuf/empty.proto" />
+                  <arg value="../src/google/protobuf/field_mask.proto" />
+                  <arg value="../src/google/protobuf/source_context.proto" />
+                  <arg value="../src/google/protobuf/struct.proto" />
+                  <arg value="../src/google/protobuf/timestamp.proto" />
+                  <arg value="../src/google/protobuf/type.proto" />
+                  <arg value="../src/google/protobuf/wrappers.proto" />
                 </exec>
               </tasks>
               <sourceRoot>target/generated-sources</sourceRoot>
@@ -130,6 +140,7 @@
                   <arg value="../src/google/protobuf/unittest_lite_imports_nonlite.proto" />
                   <arg value="../src/google/protobuf/unittest_enormous_descriptor.proto" />
                   <arg value="../src/google/protobuf/unittest_no_generic_services.proto" />
+                  <arg value="../src/google/protobuf/unittest_well_known_types.proto" />
                   <arg value="src/test/java/com/google/protobuf/field_presence_test.proto" />
                   <arg value="src/test/java/com/google/protobuf/map_for_proto2_lite_test.proto" />
                   <arg value="src/test/java/com/google/protobuf/map_for_proto2_test.proto" />
@@ -157,6 +168,24 @@
         </configuration>
       </plugin>
     </plugins>
+    <resources>
+      <resource>
+        <directory>../src</directory>
+        <includes>
+          <include>google/protobuf/any.proto</include>
+          <include>google/protobuf/api.proto</include>
+          <include>google/protobuf/descriptor.proto</include>
+          <include>google/protobuf/duration.proto</include>
+          <include>google/protobuf/empty.proto</include>
+          <include>google/protobuf/field_mask.proto</include>
+          <include>google/protobuf/source_context.proto</include>
+          <include>google/protobuf/struct.proto</include>
+          <include>google/protobuf/timestamp.proto</include>
+          <include>google/protobuf/type.proto</include>
+          <include>google/protobuf/wrappers.proto</include>
+        </includes>
+      </resource>
+    </resources>
   </build>
   <profiles>
     <profile>

java/src/test/java/com/google/protobuf/WellKnownTypesTest.java

@@ -0,0 +1,65 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// https://developers.google.com/protocol-buffers/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+package com.google.protobuf;
+
+import com.google.protobuf.Descriptors.Descriptor;
+import com.google.protobuf.Descriptors.EnumDescriptor;
+import com.google.protobuf.Descriptors.EnumValueDescriptor;
+import com.google.protobuf.Descriptors.FieldDescriptor;
+import com.google.protobuf.test.TestWellKnownTypes;
+
+import junit.framework.TestCase;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * This test ensures that well-known types are included in protobuf Java
+ * runtime library.
+ */
+public class WellKnownTypesTest extends TestCase {
+  public void testWellKnownTypes() {
+    // The test passes if it compiles.
+    TestWellKnownTypes message = TestWellKnownTypes.newBuilder().build();
+    assertEquals(0, message.getAnyField().getSerializedSize());
+    assertEquals(0, message.getApiField().getSerializedSize());
+    assertEquals(0, message.getDurationField().getSerializedSize());
+    assertEquals(0, message.getEmptyField().getSerializedSize());
+    assertEquals(0, message.getFieldMaskField().getSerializedSize());
+    assertEquals(0, message.getSourceContextField().getSerializedSize());
+    assertEquals(0, message.getStructField().getSerializedSize());
+    assertEquals(0, message.getTimestampField().getSerializedSize());
+    assertEquals(0, message.getTypeField().getSerializedSize());
+    assertEquals(0, message.getInt32Field().getSerializedSize());
+  }
+}

src/google/protobuf/unittest_well_known_types.proto

@@ -2,6 +2,9 @@ syntax = "proto3";
 
 package protobuf_unittest;
 
+option java_multiple_files = true;
+option java_package = "com.google.protobuf.test";
+
 import "google/protobuf/any.proto";
 import "google/protobuf/api.proto";
 import "google/protobuf/duration.proto";