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Support flat jar layering with Maven

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Update the Maven plugin so that layered jars now use the regular "flat"
format. The layers.idx file now describes which layer each file should
be placed.

See gh-20813

Co-authored-by: Phillip Webb <pwebb@pivotal.io>
This commit is contained in:
Madhura Bhave
2020-04-01 12:14:03 -07:00
committed by Phillip Webb
parent 3f806aa513
commit 4e3cdf936f
15 changed files with 345 additions and 200 deletions
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9
spring-boot-project/spring-boot-tools/spring-boot-loader/src/main/java/org/springframework/boot/loader/JarLauncher.java
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@@ -19,7 +19,6 @@ package org.springframework.boot.loader;
import java.io.IOException;
import java.util.jar.Attributes;
import java.util.jar.Manifest;
import java.util.regex.Pattern;
import org.springframework.boot.loader.archive.Archive;
import org.springframework.boot.loader.archive.Archive.EntryFilter;
@@ -37,17 +36,13 @@ import org.springframework.boot.loader.archive.ExplodedArchive;
*/
public class JarLauncher extends ExecutableArchiveLauncher {
private static final Pattern CLASSES_PATTERN = Pattern.compile("BOOT-INF\\/(layers\\/.*\\/)?classes/");
private static final Pattern LIBS_PATTERN = Pattern.compile("BOOT-INF\\/(layers\\/.*\\/)?lib\\/.+");
private static final String DEFAULT_CLASSPATH_INDEX_LOCATION = "BOOT-INF/classpath.idx";
static final EntryFilter NESTED_ARCHIVE_ENTRY_FILTER = (entry) -> {
if (entry.isDirectory()) {
return CLASSES_PATTERN.matcher(entry.getName()).matches();
return entry.getName().equals("BOOT-INF/classes/");
}
return LIBS_PATTERN.matcher(entry.getName()).matches();
return entry.getName().startsWith("BOOT-INF/lib/");
};
public JarLauncher() {