真面目に PlantUML (1) : PlantUML のインストール

$ sudo apt install openjdk-11-jre

$ sudo apt install graphviz

$ java -jar plantuml.jar -version
PlantUML version 1.2019.11 (Sun Sep 22 19:02:15 JST 2019)
(GPL source distribution)
Java Runtime: OpenJDK Runtime Environment
JVM: OpenJDK 64-Bit Server VM
Java Version: 13.0.1+9
Operating System: Linux
Default Encoding: UTF-8
Language: ja
Country: JP
...

$ java -jar plantuml.jar -testdot
The environment variable GRAPHVIZ_DOT has not been set
Dot executable is /usr/bin/dot
Dot version: dot - graphviz version 2.40.1 (20161225.0304)
Installation seems OK. File generation OK

$ java -jar plantuml.jar -h
Usage: java -jar plantuml.jar [options] -gui
        (to execute the GUI)
    or java -jar plantuml.jar [options] [file/dir] [file/dir] [file/dir]
        (to process files or directories)

You can use the following wildcards in files/dirs:
        *       means any characters but '/'
        ?       one and only one character but '/'
        **      means any characters (used to recurse through directories)

where options include:
    -gui                To run the graphical user interface
    -tpng               To generate images using PNG format (default)
    -tsvg               To generate images using SVG format
    -teps               To generate images using EPS format
    -tpdf               To generate images using PDF format
    -tvdx               To generate images using VDX format
    -txmi               To generate XMI file for class diagram
    -tscxml             To generate SCXML file for state diagram
    -thtml              To generate HTML file for class diagram
    -ttxt               To generate images with ASCII art
    -tutxt              To generate images with ASCII art using Unicode characters
    -tlatex             To generate images using LaTeX/Tikz format
    -tlatex:nopreamble  To generate images using LaTeX/Tikz format without preamble
    -o[utput] "dir"     To generate images in the specified directory
    -DVAR1=value        To set a preprocessing variable as if '!define VAR1 value' were used
    -Sparam1=value      To set a skin parameter as if 'skinparam param1 value' were used
    -r[ecurse]          recurse through directories
    -I/path/to/file     To include file as if '!include file' were used
    -I/path/to/*.puml   To include files with pattern
    -charset xxx        To use a specific charset (default is UTF-8)
    -e[x]clude pattern  To exclude files that match the provided pattern
    -metadata           To retrieve PlantUML sources from PNG images
    -nometadata         To NOT export metadata in PNG/SVG generated files
    -checkmetadata      Skip PNG files that don't need to be regenerated
    -version            To display information about PlantUML and Java versions
    -checkversion       To check if a newer version is available for download
    -v[erbose]          To have log information
    -quiet              To NOT print error message into the console
    -debugsvek          To generate intermediate svek files
    -h[elp]             To display this help message
    -testdot            To test the installation of graphviz
    -graphvizdot "exe"  To specify dot executable
    -p[ipe]             To use stdin for PlantUML source and stdout for PNG/SVG/EPS generation
    -encodesprite 4|8|16[z] "file"      To encode a sprite at gray level (z for compression) from an image
    -computeurl|-encodeurl      To compute the encoded URL of a PlantUML source file
    -decodeurl          To retrieve the PlantUML source from an encoded URL
    -syntax             To report any syntax error from standard input without generating images
    -language           To print the list of PlantUML keywords
    -checkonly          To check the syntax of files without generating images
    -failfast           To stop processing as soon as a syntax error in diagram occurs
    -failfast2          To do a first syntax check before processing files, to fail even faster
    -pattern            To print the list of Regular Expression used by PlantUML
    -duration           To print the duration of complete diagrams processing
    -nbthread N         To use (N) threads for processing
    -nbthread auto      To use 4 threads for processing
    -timeout N          Processing timeout in (N) seconds. Defaults to 15 minutes (900 seconds).
    -author[s]          To print information about PlantUML authors
    -overwrite          To allow to overwrite read only files
    -printfonts         To print fonts available on your system
    -enablestats        To enable statistics computation
    -disablestats       To disable statistics computation (default)
    -htmlstats          To output general statistics in file plantuml-stats.html
    -xmlstats           To output general statistics in file plantuml-stats.xml
    -realtimestats      To generate statistics on the fly rather than at the end
    -loopstats          To continuously print statistics about usage
    -splash             To display a splash screen with some progress bar
    -progress           To display a textual progress bar in console
    -pipeimageindex N   To generate the Nth image with pipe option
    -stdlib             To print standard library info
    -extractstdlib      To extract PlantUML Standard Library into stdlib folder
    -filename "example.puml"    To override %filename% variable
    -preproc            To output preprocessor text of diagrams
    -cypher             To cypher texts of diagrams so that you can share them

If needed, you can setup the environment variable GRAPHVIZ_DOT.

$ java -jar plantuml.jar -charset UTF-8 hello.puml

$ java -jar plantuml.jar -charset UTF-8 -config hello.iuml hello.puml