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Write classpath index file from Gradle plugin

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Closes gh-19847
This commit is contained in:
Madhura Bhave
2020-01-22 18:54:15 -08:00
parent 2198614359
commit 13f7db2d8c
2 changed files with 57 additions and 2 deletions
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31
spring-boot-project/spring-boot-tools/spring-boot-gradle-plugin/src/main/java/org/springframework/boot/gradle/tasks/bundling/BootJar.java
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@@ -20,7 +20,9 @@ import java.io.BufferedWriter;
import java.io.File;
import java.io.IOException;
import java.io.StringWriter;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.concurrent.Callable;
import org.gradle.api.Action;
@@ -59,7 +61,9 @@ public class BootJar extends Jar implements BootArchive {
private Layers layers;
private static final String BOOT_INF_LAYERS = "BOOT-INF/layers/";
private static final String BOOT_INF_LAYERS = "BOOT-INF/layers";
private List<String> dependencies = new ArrayList<>();
/**
* Creates a new {@code BootJar} task.
@@ -68,7 +72,10 @@ public class BootJar extends Jar implements BootArchive {
this.bootInf = getProject().copySpec().into("BOOT-INF");
getMainSpec().with(this.bootInf);
this.bootInf.into("classes", classpathFiles(File::isDirectory));
this.bootInf.into("lib", classpathFiles(File::isFile));
this.bootInf.into("lib", classpathFiles(File::isFile))
.eachFile((details) -> BootJar.this.dependencies.add(details.getPath()));
this.bootInf.into("",
(spec) -> spec.from((Callable<File>) () -> createClasspathIndex(BootJar.this.dependencies)));
this.bootInf.filesMatching("module-info.class",
(details) -> details.setRelativePath(details.getRelativeSourcePath()));
getRootSpec().eachFile((details) -> {
@@ -93,9 +100,29 @@ public class BootJar extends Jar implements BootArchive {
attributes.remove("Spring-Boot-Lib");
attributes.putIfAbsent("Spring-Boot-Layers-Index", "BOOT-INF/layers.idx");
}
attributes.putIfAbsent("Spring-Boot-Classpath-Index", "BOOT-INF/classpath.idx");
super.copy();
}
private File createClasspathIndex(List<String> dependencies) {
try {
StringWriter content = new StringWriter();
BufferedWriter writer = new BufferedWriter(content);
for (String dependency : dependencies) {
writer.write(dependency);
writer.write("\n");
}
writer.flush();
File source = getProject().getResources().getText().fromString(content.toString()).asFile();
File indexFile = new File(source.getParentFile(), "classpath.idx");
source.renameTo(indexFile);
return indexFile;
}
catch (IOException ex) {
throw new RuntimeException("Failed to create classpath.idx", ex);
}
}
@Override
protected CopyAction createCopyAction() {
return this.support.createCopyAction(this);