Adding output_licenses to bazel's java_plugin.

Fixes #2286.

--
PiperOrigin-RevId: 144627152
MOS_MIGRATED_REVID=144627152

3 files changed, 67 insertions, 0 deletions

diff --git a/src/main/java/com/google/devtools/build/lib/bazel/rules/java/BazelJavaPluginRule.java b/src/main/java/com/google/devtools/build/lib/bazel/rules/java/BazelJavaPluginRule.java
index 86e97e0651..8749a70a41 100644
--- a/src/main/java/com/google/devtools/build/lib/bazel/rules/java/BazelJavaPluginRule.java
+++ b/src/main/java/com/google/devtools/build/lib/bazel/rules/java/BazelJavaPluginRule.java
@@ -15,6 +15,7 @@
 package com.google.devtools.build.lib.bazel.rules.java;
 
 import static com.google.devtools.build.lib.packages.Attribute.attr;
+import static com.google.devtools.build.lib.packages.BuildType.LICENSE;
 import static com.google.devtools.build.lib.syntax.Type.BOOLEAN;
 import static com.google.devtools.build.lib.syntax.Type.STRING;
 
@@ -51,6 +52,11 @@ public final class BazelJavaPluginRule implements RuleDefinition {
         java.util.ServiceLoader</a>.)
         <!-- #END_BLAZE_RULE.ATTRIBUTE --> */
         .add(attr("processor_class", STRING))
+        /* <!-- #BLAZE_RULE(java_plugin).ATTRIBUTE(output_licenses) -->
+        See <a href="${link common-definitions#binary.output_licenses}"><code>common attributes
+        </code></a>
+        <!-- #END_BLAZE_RULE.ATTRIBUTE --> */
+        .add(attr("output_licenses", LICENSE))
         /* <!-- #BLAZE_RULE(java_plugin).ATTRIBUTE(generates_api) -->
         This attribute marks annotation processors that generate API code.
         <p>If a rule uses an API-generating annotation processor, other rules
diff --git a/src/test/java/com/google/devtools/build/lib/BUILD b/src/test/java/com/google/devtools/build/lib/BUILD
index bc018d7299..c48a0ddada 100644
--- a/src/test/java/com/google/devtools/build/lib/BUILD
+++ b/src/test/java/com/google/devtools/build/lib/BUILD
@@ -306,6 +306,7 @@ java_test(
 java_library(
     name = "analysis_testutil",
     srcs = glob([
+        "analysis/LicensingTests.java",
         "analysis/mock/BazelAnalysisMock.java",
         "analysis/util/*.java",
         "exec/util/*.java",
diff --git a/src/test/java/com/google/devtools/build/lib/bazel/rules/java/BazelLicensingTests.java b/src/test/java/com/google/devtools/build/lib/bazel/rules/java/BazelLicensingTests.java
new file mode 100644
index 0000000000..977753a4c0
--- /dev/null
+++ b/src/test/java/com/google/devtools/build/lib/bazel/rules/java/BazelLicensingTests.java
@@ -0,0 +1,60 @@
+// Copyright 2015 The Bazel Authors. All rights reserved.
+//
+// Licensed 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.
+
+package com.google.devtools.build.lib.bazel.rules.java;
+
+
+import com.google.common.collect.Maps;
+import com.google.devtools.build.lib.analysis.ConfiguredTarget;
+import com.google.devtools.build.lib.analysis.LicensingTests;
+import com.google.devtools.build.lib.cmdline.Label;
+import com.google.devtools.build.lib.packages.License;
+import java.util.Map;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+/**
+ * Integration tests for {@link License}.
+ */
+@RunWith(JUnit4.class)
+public class BazelLicensingTests extends LicensingTests {
+  @Test
+  public void testJavaPluginAllowsOutputLicenseDeclaration() throws Exception {
+    scratch.file("ise/BUILD",
+        "licenses(['restricted'])",
+        "java_library(name = 'dependency',",
+        "             srcs = ['dependency.java'])",
+        "java_plugin(name = 'plugin',",
+        "            deps = [':dependency'],",
+        "            srcs = ['plugin.java'],",
+        "            output_licenses = ['unencumbered'])");
+
+    scratch.file("gsa/BUILD",
+        "licenses(['unencumbered'])",
+        "java_library(name = 'library',",
+        "             srcs = ['library.java'],",
+        "             plugins = ['//ise:plugin'])");
+
+    ConfiguredTarget library = getConfiguredTarget("//gsa:library");
+    Map<Label, License> actual = Maps.filterKeys(getTransitiveLicenses(library),
+        CC_OR_JAVA_OR_SH_LABEL_FILTER);
+    Map<Label, License> expected = licenses(
+        "//ise:plugin", "unencumbered",
+        "//gsa:library", "unencumbered"
+    );
+
+    assertSameMapEntries(expected, actual);
+  }
+}