95 lines
2.5 KiB
Markdown
95 lines
2.5 KiB
Markdown
# Warp4j
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Turn JAR (java archive) into self-contained executable.
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## Features
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- automatically downloads java runtimes
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- creates 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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## 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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First install [warp-packer](https://github.com/dgiagio/warp/releases) and ensure other common tools available: `curl`, `awk`, `sed`. Then install `warp4j` like this:
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```
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$ LOCATION=/usr/local/bin \
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LINK=https://raw.githubusercontent.com/guziks/warp4j/master/warp4j \
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TEMP_LOCATION=/tmp/warp4j \
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bash -c 'curl -fsSL -o $TEMP_LOCATION $LINK && \
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chmod 755 $TEMP_LOCATION && \
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sudo mkdir -p $LOCATION && \
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sudo mv $TEMP_LOCATION $LOCATION/warp4j'
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```
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## Usage
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```
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$ 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
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my-app-linux-x64.tar.gz
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my-app-macos
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my-app-macos-x64.tar.gz
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my-app-windows.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: "11", "11.0", "11.0.2", "11.0.2+9"
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default: 11
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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 partiular 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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--target-linux create binary for Linux
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--target-macos create binary for macOS
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--target-windows create binary for Windows
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if no targets specified then create for all
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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, for example:
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'-Xms512m -Xmx1024m'
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-h, --help show this message
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```
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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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- Windows: `%LOCALAPPDATA%\warp4j`
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