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DevToolsEnablementDeducer.java
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DevToolsEnablementDeducer.java
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/*
* Copyright 2012-2023 the original author or 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
*
* https://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 org.springframework.boot.devtools.system;
import java.util.Collections;
import java.util.LinkedHashSet;
import java.util.Set;
import org.springframework.boot.SpringApplicationAotProcessor;
import org.springframework.core.NativeDetector;
/**
* Utility to deduce if DevTools should be enabled in the current context.
*
* @author Madhura Bhave
* @since 2.2.0
*/
public final class DevToolsEnablementDeducer {
private static final Set<String> SKIPPED_STACK_ELEMENTS;
static {
Set<String> skipped = new LinkedHashSet<>();
skipped.add("org.junit.runners.");
skipped.add("org.junit.platform.");
skipped.add("org.springframework.boot.test.");
skipped.add(SpringApplicationAotProcessor.class.getName());
skipped.add("cucumber.runtime.");
SKIPPED_STACK_ELEMENTS = Collections.unmodifiableSet(skipped);
}
private DevToolsEnablementDeducer() {
}
/**
* Checks if a specific {@link StackTraceElement} in the current thread's stacktrace
* should cause devtools to be disabled. Devtools will also be disabled if running in
* a native image.
* @param thread the current thread
* @return {@code true} if devtools should be enabled
*/
public static boolean shouldEnable(Thread thread) {
if (NativeDetector.inNativeImage()) {
return false;
}
for (StackTraceElement element : thread.getStackTrace()) {
if (isSkippedStackElement(element)) {
return false;
}
}
return true;
}
private static boolean isSkippedStackElement(StackTraceElement element) {
for (String skipped : SKIPPED_STACK_ELEMENTS) {
if (element.getClassName().startsWith(skipped)) {
return true;
}
}
return false;
}
}