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Allow loader.path to refer to nested jars

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Previously, each entry in loader.path could only refer to a standard
jar file. Refering to such a jar would add all of the classes in
the root of the jar to the class path.

This commit adds support for referencing a directory within a jar file
that contains one or more nested jars. For example:

$ java -jar -Dloader.path='jar:file:./lib.jar/!BOOT-INF/lib' my.jar

This will add all of the classes in all of that jars in the
BOOT-INF/lib directory of lib.jar to the class path.

See gh-8334
This commit is contained in:
Dave Syer
2017-03-02 08:50:07 +00:00
committed by Andy Wilkinson
parent 605b0aefc6
commit 3701cce88f
6 changed files with 143 additions and 55 deletions
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82
spring-boot-tools/spring-boot-loader/src/it/executable-props-lib/pom.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>org.springframework.boot.launcher.it</groupId>
<artifactId>executable-props-lib</artifactId>
<version>0.0.1.BUILD-SNAPSHOT</version>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.1</version>
<configuration>
<source>1.6</source>
<target>1.6</target>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-dependency-plugin</artifactId>
<version>2.10</version>
<executions>
<execution>
<id>unpack</id>
<phase>prepare-package</phase>
<goals>
<goal>unpack</goal>
</goals>
<configuration>
<artifactItems>
<artifactItem>
<groupId>@project.groupId@</groupId>
<artifactId>@project.artifactId@</artifactId>
<version>@project.version@</version>
<type>jar</type>
</artifactItem>
</artifactItems>
<outputDirectory>${project.build.directory}/assembly</outputDirectory>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<artifactId>maven-assembly-plugin</artifactId>
<version>2.4</version>
<configuration>
<descriptors>
<descriptor>src/main/assembly/jar-with-dependencies.xml</descriptor>
</descriptors>
<archive>
<manifest>
<mainClass>org.springframework.boot.loader.PropertiesLauncher</mainClass>
</manifest>
<manifestEntries>
<Start-Class>org.springframework.boot.load.it.props.EmbeddedJarStarter</Start-Class>
</manifestEntries>
</archive>
</configuration>
<executions>
<execution>
<id>jar-with-dependencies</id>
<phase>package</phase>
<goals>
<goal>single</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
<dependencies>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>4.1.4.RELEASE</version>
</dependency>
</dependencies>
</project>