120 lines
3.6 KiB
Markdown
120 lines
3.6 KiB
Markdown
# Warp4j
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Turn JAR (java archive) into self-contained executable in a single command.
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## Features
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- downloads java runtimes automatically
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- makes runtimes optimized for your application
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- creates self-contained binaries for Linux, macOS and Windows using [warp-packer](https://github.com/dgiagio/warp)
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- works on Linux, macOS and Windows (with Windows Subsystem for Linux)
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- supports cross "compilation"
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- does not require neither JDK nor JRE installed
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## TL;DR
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Just put both `warp4j` and `warp-packer` somewhere in your PATH and run `warp4j app.jar`.
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## Install
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Curl one-liner installs latest versions of both `warp4j` and `warp-packer`:
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```
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$ bash -c "$(curl -fsSL https://git.kirby-link.dd-dns.de/public/warp4j/raw/branch/feature/manual_and_auto_classpath_option/install)"
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```
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This script will show missing dependencies (if there are any), they must be installed with your package manager.
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See more install methods [here](INSTALL.md).
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## Usage
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```
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$ ls
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my-app.jar
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$ warp4j my-app.jar
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...
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...
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...
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$ ls -1
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my-app.jar
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warped
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$ ls warped
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my-app-linux-x64
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my-app-linux-x64.tar.gz
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my-app-macos-x64
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my-app-macos-x64.tar.gz
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my-app-windows-x64.exe
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my-app-windows-x64.zip
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```
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See help:
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```
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$ wapr4j --help
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Usage: warp4j [options] <app.jar>
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Turn JAR (java archive) into self-contained executable
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Options:
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-j, --java-version <version>
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override JDK/JRE version
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examples: "17", "17.0", "17.0.2", "17.0.2+9"
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(default: 17)
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-cp, --class-path <classpath>
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adds additional classpaths to the jdeps call
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-o, --output <directory>
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override output directory;
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this is relative to current PWD
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(default: ./warped)
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--list show available java releases;
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takes into consideration other options:
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"--java-version", "--no-optimize", "--jvm-impl";
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the output may be used to specify concrete
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"--java-version"
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--no-optimize use JRE instead of optimized JDK;
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by default jdeps and jlink are used to create
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optimized JDK for the particular jar;
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JRE is always used for java 8
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--pull check if more recent JDK/JRE distro is available;
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by default latest cached version that matches
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"--java-version" is used
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--spring-boot extract from (Spring-Boot) jar the dependencies'
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to get the classpath for jdeps call'
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--linux create binary for Linux
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--macos create binary for macOS
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--windows create binary for Windows
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if no targets are specified then binaries for
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all targets are created
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--jvm-impl jvm implementation: hotspot or openj9
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(default: hotspot)
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--jvm-options <options>
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passed to java like this:
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"java <options> -jar <jar file>";
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use quotes when passing multiple options
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example: '-Xms512m -Xmx1024m'
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-h, --help show this message
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```
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## Compatibility
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Tested on the following operating systems:
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- Debian 10.8
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- Ubuntu 18.04
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- macOS Mojave
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- Windows Subsystem for Linux with Ubuntu 14.04
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## Cache Location
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Downloaded runtimes and prepared bundles are here:
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- Linux: `$HOME/.local/share/warp4j`
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- macOS: `$HOME/Library/Application Support/warp4j`
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To override cache path, set `WARP4J_CACHE` environment variable.
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