com.google.errorprone.bugpatterns.apidiff.Java7ApiChecker Maven / Gradle / Ivy
/*
* Copyright 2018 The Error Prone Authors.
*
* 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.errorprone.bugpatterns.apidiff;
import static com.google.errorprone.BugPattern.SeverityLevel.ERROR;
import com.google.common.io.Resources;
import com.google.errorprone.BugPattern;
import java.io.IOException;
import java.io.UncheckedIOException;
/** Checks for uses of classes, fields, or methods that are not compatible with JDK 7 */
@BugPattern(
name = "Java7ApiChecker",
summary = "Use of class, field, or method that is not compatible with JDK 7",
explanation =
"Code that needs to be compatible with Java 7 cannot use types or members"
+ " that are only present in the JDK 8 class libraries",
severity = ERROR)
public class Java7ApiChecker extends ApiDiffChecker {
static final ApiDiff API_DIFF = loadApiDiff();
private static ApiDiff loadApiDiff() {
try {
ApiDiffProto.Diff.Builder diffBuilder = ApiDiffProto.Diff.newBuilder();
byte[] diffData =
Resources.toByteArray(Resources.getResource(Java7ApiChecker.class, "7to11diff.binarypb"));
diffBuilder
.mergeFrom(diffData)
.addClassDiff(
ApiDiffProto.ClassDiff.newBuilder()
.setMemberDiff(
ApiDiffProto.MemberDiff.newBuilder()
.setClassName("com/google/common/base/Predicate")
.addMember(
ApiDiffProto.ClassMember.newBuilder()
.setIdentifier("test")
.setMemberDescriptor("(Ljava/lang/Object;)Z"))))
.addClassDiff(
ApiDiffProto.ClassDiff.newBuilder()
.setMemberDiff(
ApiDiffProto.MemberDiff.newBuilder()
.setClassName("com/google/common/base/BinaryPredicate")
.addMember(
ApiDiffProto.ClassMember.newBuilder()
.setIdentifier("test")
.setMemberDescriptor(
"(Ljava/lang/Object;Ljava/lang/Object;)Z"))));
return ApiDiff.fromProto(diffBuilder.build());
} catch (IOException e) {
throw new UncheckedIOException(e);
}
}
public Java7ApiChecker() {
super(API_DIFF);
}
}