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Open-source java_lite_proto_library.
The new rule doesn't currently function - it requires adding a JavaLite protoc plugin to Bazel, and an additional change to this code to load and use it. -- MOS_MIGRATED_REVID=130440693
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32 changes: 32 additions & 0 deletions
32
...n/java/com/google/devtools/build/lib/bazel/rules/java/proto/BazelJavaLiteProtoAspect.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,32 @@ | ||
| // Copyright 2016 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.proto; | ||
|
|
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| import com.google.devtools.build.lib.bazel.rules.java.BazelJavaSemantics; | ||
| import com.google.devtools.build.lib.rules.java.proto.JavaLiteProtoAspect; | ||
|
|
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| /** An Aspect which BazelJavaLiteProtoLibrary injects to build Java Lite protos. */ | ||
| public class BazelJavaLiteProtoAspect extends JavaLiteProtoAspect { | ||
| static final String LITE_PROTO_RUNTIME_ATTR = "$aspect_java_lib"; | ||
| static final String LITE_PROTO_RUNTIME_LABEL = "//third_party/protobuf:protobuf"; | ||
|
|
||
| public BazelJavaLiteProtoAspect() { | ||
| super( | ||
| BazelJavaSemantics.INSTANCE, | ||
| LITE_PROTO_RUNTIME_ATTR, | ||
| LITE_PROTO_RUNTIME_LABEL, | ||
| null /* jacocoLabel */); | ||
| } | ||
| } |
24 changes: 24 additions & 0 deletions
24
.../java/com/google/devtools/build/lib/bazel/rules/java/proto/BazelJavaLiteProtoLibrary.java
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| // Copyright 2016 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. | ||
|
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| package com.google.devtools.build.lib.bazel.rules.java.proto; | ||
|
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| import com.google.devtools.build.lib.rules.java.proto.JavaLiteProtoLibrary; | ||
|
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| /** Implementation of the java_lite_proto_library rule. */ | ||
| public class BazelJavaLiteProtoLibrary extends JavaLiteProtoLibrary { | ||
| public BazelJavaLiteProtoLibrary() { | ||
| super(BazelJavaLiteProtoAspect.LITE_PROTO_RUNTIME_ATTR); | ||
| } | ||
| } |
125 changes: 125 additions & 0 deletions
125
...a/com/google/devtools/build/lib/bazel/rules/java/proto/BazelJavaLiteProtoLibraryRule.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,125 @@ | ||
| // Copyright 2016 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. | ||
|
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| package com.google.devtools.build.lib.bazel.rules.java.proto; | ||
|
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| import static com.google.devtools.build.lib.bazel.rules.java.proto.BazelJavaLiteProtoAspect.LITE_PROTO_RUNTIME_ATTR; | ||
| import static com.google.devtools.build.lib.bazel.rules.java.proto.BazelJavaLiteProtoAspect.LITE_PROTO_RUNTIME_LABEL; | ||
| import static com.google.devtools.build.lib.packages.Aspect.INJECTING_RULE_KIND_PARAMETER_KEY; | ||
| import static com.google.devtools.build.lib.packages.Attribute.attr; | ||
| import static com.google.devtools.build.lib.packages.BuildType.LABEL; | ||
| import static com.google.devtools.build.lib.packages.BuildType.LABEL_LIST; | ||
| import static com.google.devtools.build.lib.syntax.Type.BOOLEAN; | ||
|
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| import com.google.common.base.Function; | ||
| import com.google.devtools.build.lib.analysis.BaseRuleClasses; | ||
| import com.google.devtools.build.lib.analysis.RuleDefinition; | ||
| import com.google.devtools.build.lib.analysis.RuleDefinitionEnvironment; | ||
| import com.google.devtools.build.lib.cmdline.Label; | ||
| import com.google.devtools.build.lib.packages.AspectParameters; | ||
| import com.google.devtools.build.lib.packages.Rule; | ||
| import com.google.devtools.build.lib.packages.RuleClass; | ||
| import com.google.devtools.build.lib.rules.java.JavaConfiguration; | ||
| import javax.annotation.Nullable; | ||
|
|
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| /** Declaration of the {@code java_lite_proto_library} rule. */ | ||
| public class BazelJavaLiteProtoLibraryRule implements RuleDefinition { | ||
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| private static final Function<Rule, AspectParameters> ASPECT_PARAMETERS = | ||
| new Function<Rule, AspectParameters>() { | ||
| @Nullable | ||
| @Override | ||
| public AspectParameters apply(@Nullable Rule rule) { | ||
| return new AspectParameters.Builder() | ||
| .addAttribute(INJECTING_RULE_KIND_PARAMETER_KEY, "java_lite_proto_library") | ||
| .build(); | ||
| } | ||
| }; | ||
|
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| private final BazelJavaLiteProtoAspect javaProtoAspect; | ||
|
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| public BazelJavaLiteProtoLibraryRule(BazelJavaLiteProtoAspect javaProtoAspect) { | ||
| this.javaProtoAspect = javaProtoAspect; | ||
| } | ||
|
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| @Override | ||
| public RuleClass build(RuleClass.Builder builder, RuleDefinitionEnvironment environment) { | ||
| return builder | ||
| // This rule isn't ready for use yet. | ||
| .setUndocumented() | ||
| .requiresConfigurationFragments(JavaConfiguration.class) | ||
| /* <!-- #BLAZE_RULE(java_lite_proto_library).ATTRIBUTE(deps) --> | ||
| The list of <a href="protocol-buffer.html#proto_library"><code>proto_library</code></a> | ||
| rules to generate Java code for. | ||
| <!-- #END_BLAZE_RULE.ATTRIBUTE --> */ | ||
| .override( | ||
| attr("deps", LABEL_LIST) | ||
| .allowedRuleClasses("proto_library") | ||
| .allowedFileTypes() | ||
| .aspect(javaProtoAspect, ASPECT_PARAMETERS)) | ||
| /* <!-- #BLAZE_RULE(java_lite_proto_library).ATTRIBUTE(deps) --> | ||
| When True, this rule only exposes the protos that it wraps directly. Depending on indirect | ||
| protos will break the build and print an 'add_dep' command to correct the build. | ||
| <!-- #END_BLAZE_RULE.ATTRIBUTE --> */ | ||
| .add(attr("strict_deps", BOOLEAN)) | ||
| .add( | ||
| attr(LITE_PROTO_RUNTIME_ATTR, LABEL) | ||
| .legacyAllowAnyFileType() | ||
| .value(Label.parseAbsoluteUnchecked(LITE_PROTO_RUNTIME_LABEL))) | ||
| .build(); | ||
| } | ||
|
|
||
| @Override | ||
| public Metadata getMetadata() { | ||
| return RuleDefinition.Metadata.builder() | ||
| .name("java_lite_proto_library") | ||
| .factoryClass(BazelJavaLiteProtoLibrary.class) | ||
| .ancestors(BaseRuleClasses.RuleBase.class) | ||
| .build(); | ||
| } | ||
| } | ||
|
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| /*<!-- #BLAZE_RULE (NAME = java_lite_proto_library, TYPE = LIBRARY, FAMILY = Java) --> | ||
| <p> | ||
| <code>java_lite_proto_library</code> generates Java code from <code>.proto</code> files. | ||
| </p> | ||
| <p> | ||
| <code>deps</code> must point to <a href="protocol-buffer.html#proto_library"><code>proto_library | ||
| </code></a> rules. | ||
| </p> | ||
| <p> | ||
| Example: | ||
| </p> | ||
| <pre class="code"> | ||
| java_library( | ||
| name = "lib", | ||
| deps = [":foo"], | ||
| ) | ||
| java_lite_proto_library( | ||
| name = "foo", | ||
| deps = [":bar"], | ||
| ) | ||
| proto_library( | ||
| name = "bar", | ||
| ) | ||
| </pre> | ||
| <!-- #END_BLAZE_RULE -->*/ |
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