com.google.errorprone.bugpatterns.ICCProfileGetInstance Maven / Gradle / Ivy
/*
* Copyright 2023 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;
import static com.google.errorprone.BugPattern.SeverityLevel.WARNING;
import static com.google.errorprone.matchers.Description.NO_MATCH;
import static com.google.errorprone.matchers.method.MethodMatchers.staticMethod;
import com.google.common.collect.Iterables;
import com.google.errorprone.BugPattern;
import com.google.errorprone.BugPattern.StandardTags;
import com.google.errorprone.VisitorState;
import com.google.errorprone.fixes.SuggestedFix;
import com.google.errorprone.matchers.Description;
import com.google.errorprone.matchers.Matcher;
import com.sun.source.tree.ExpressionTree;
import com.sun.source.tree.MethodInvocationTree;
/** A {@link BugChecker}; see the associated {@link BugPattern} annotation for details. */
@BugPattern(
summary =
"This method searches the class path for the given file, prefer to read the file and call"
+ " getInstance(byte[]) or getInstance(InputStream)",
severity = WARNING,
tags = StandardTags.PERFORMANCE)
public class ICCProfileGetInstance extends BugChecker
implements BugChecker.MethodInvocationTreeMatcher {
private static final Matcher MATCHER =
staticMethod()
.onClass("java.awt.color.ICC_Profile")
.named("getInstance")
.withParameters("java.lang.String");
@Override
public Description matchMethodInvocation(MethodInvocationTree tree, VisitorState state) {
if (!MATCHER.matches(tree, state)) {
return NO_MATCH;
}
ExpressionTree arg = Iterables.getOnlyElement(tree.getArguments());
return describeMatch(
tree,
SuggestedFix.builder()
.prefixWith(arg, "Files.readAllBytes(Paths.get(")
.postfixWith(arg, "))")
.addImport("java.nio.file.Files")
.addImport("java.nio.file.Paths")
.build());
}
}