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// Copyright 2014 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.rules.java;
import static com.google.devtools.build.lib.packages.Attribute.ConfigurationTransition.HOST;
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;
import static com.google.devtools.build.lib.syntax.Type.STRING_LIST;
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.packages.RuleClass;
import com.google.devtools.build.lib.packages.RuleClass.Builder;
import com.google.devtools.build.lib.packages.RuleClass.Builder.RuleClassType;
import com.google.devtools.build.lib.rules.cpp.CppConfiguration;
/**
* A base rule for building the java_import rule.
*/
public class JavaImportBaseRule implements RuleDefinition {
@Override
public RuleClass build(Builder builder, RuleDefinitionEnvironment environment) {
return builder
.requiresConfigurationFragments(JavaConfiguration.class, CppConfiguration.class,
J2ObjcConfiguration.class)
.add(attr(":host_jdk", LABEL)
.cfg(HOST)
.value(JavaSemantics.HOST_JDK))
/* <!-- #BLAZE_RULE(java_import).ATTRIBUTE(jars) -->
The list of JAR files provided to Java targets that depend on this target.
${SYNOPSIS}
<!-- #END_BLAZE_RULE.ATTRIBUTE --> */
.add(attr("jars", LABEL_LIST)
.mandatory()
.nonEmpty()
.allowedFileTypes(JavaSemantics.JAR))
/* <!-- #BLAZE_RULE(java_import).ATTRIBUTE(srcjar) -->
A JAR file that contains source code for the compiled JAR files.
${SYNOPSIS}
<!-- #END_BLAZE_RULE.ATTRIBUTE --> */
.add(attr("srcjar", LABEL)
.allowedFileTypes(JavaSemantics.SOURCE_JAR, JavaSemantics.JAR)
.direct_compile_time_input())
.removeAttribute("deps") // only exports are allowed; nothing is compiled
/* <!-- #BLAZE_RULE(java_import).ATTRIBUTE(neverlink) -->
Only use this library for compilation and not at runtime.
${SYNOPSIS}
Useful if the library will be provided by the runtime environment
during execution. Examples of libraries like this are IDE APIs
for IDE plug-ins or <code>tools.jar</code> for anything running on
a standard JDK.
<!-- #END_BLAZE_RULE.ATTRIBUTE --> */
.add(attr("neverlink", BOOLEAN).value(false))
/* <!-- #BLAZE_RULE(java_import).ATTRIBUTE(constraints) -->
Extra constraints imposed on this rule as a Java library.
${SYNOPSIS}
<!-- #END_BLAZE_RULE.ATTRIBUTE --> */
.add(attr("constraints", STRING_LIST)
.orderIndependent()
.nonconfigurable("used in Attribute.validityPredicate implementations (loading time)"))
.advertiseProvider(JavaSourceInfoProvider.class)
.advertiseProvider(JavaCompilationArgsProvider.class)
.build();
}
@Override
public Metadata getMetadata() {
return RuleDefinition.Metadata.builder()
.name("$java_import_base")
.type(RuleClassType.ABSTRACT)
.ancestors(BaseRuleClasses.RuleBase.class)
.build();
}
}
/*<!-- #BLAZE_RULE (NAME = java_import, TYPE = LIBRARY, FAMILY = Java) -->
${ATTRIBUTE_SIGNATURE}
<p>This rule allows the use of precompiled JAR files as libraries for
<code><a href="#java_library">java_library</a></code> rules.</p>
${ATTRIBUTE_DEFINITION}
<!-- #END_BLAZE_RULE -->*/
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