/
BootRun.java
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/
BootRun.java
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/*
* Copyright 2012-2021 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.gradle.tasks.run;
import java.io.File;
import java.lang.reflect.Method;
import java.util.Set;
import org.gradle.api.file.SourceDirectorySet;
import org.gradle.api.provider.Property;
import org.gradle.api.tasks.Input;
import org.gradle.api.tasks.JavaExec;
import org.gradle.api.tasks.SourceSet;
import org.gradle.api.tasks.SourceSetOutput;
import org.gradle.jvm.toolchain.JavaLauncher;
/**
* Custom {@link JavaExec} task for running a Spring Boot application.
*
* @author Andy Wilkinson
* @since 2.0.0
*/
public class BootRun extends JavaExec {
private boolean optimizedLaunch = true;
/**
* Returns {@code true} if the JVM's launch should be optimized, otherwise
* {@code false}. Defaults to {@code true}.
* @return whether the JVM's launch should be optimized
* @since 2.2.0
*/
@Input
public boolean isOptimizedLaunch() {
return this.optimizedLaunch;
}
/**
* Sets whether the JVM's launch should be optimized. Defaults to {@code true}.
* @param optimizedLaunch {@code true} if the JVM's launch should be optimised,
* otherwise {@code false}
* @since 2.2.0
*/
public void setOptimizedLaunch(boolean optimizedLaunch) {
this.optimizedLaunch = optimizedLaunch;
}
/**
* Adds the {@link SourceDirectorySet#getSrcDirs() source directories} of the given
* {@code sourceSet's} {@link SourceSet#getResources() resources} to the start of the
* classpath in place of the {@link SourceSet#getOutput output's}
* {@link SourceSetOutput#getResourcesDir() resources directory}.
* @param sourceSet the source set
*/
public void sourceResources(SourceSet sourceSet) {
File resourcesDir = sourceSet.getOutput().getResourcesDir();
Set<File> srcDirs = sourceSet.getResources().getSrcDirs();
setClasspath(getProject().files(srcDirs, getClasspath()).filter((file) -> !file.equals(resourcesDir)));
}
@Override
public void exec() {
if (this.optimizedLaunch) {
setJvmArgs(getJvmArgs());
if (!isJava13OrLater()) {
jvmArgs("-Xverify:none");
}
jvmArgs("-XX:TieredStopAtLevel=1");
}
if (System.console() != null) {
// Record that the console is available here for AnsiOutput to detect later
getEnvironment().put("spring.output.ansi.console-available", true);
}
super.exec();
}
private boolean isJava13OrLater() {
try {
Property<JavaLauncher> javaLauncher = this.getJavaLauncher();
if (javaLauncher.isPresent()) {
return javaLauncher.get().getMetadata().getLanguageVersion().asInt() >= 13;
}
}
catch (NoSuchMethodError ex) {
// Continue
}
for (Method method : String.class.getMethods()) {
if (method.getName().equals("stripIndent")) {
return true;
}
}
return false;
}
}