File Explorer

Explore the contents of a file.

• Open a file or Drag and Drop a file onto the application.
• The file will be explored, directories recursively displayed.
• Jar, Zip etc files are opened and their contents displayed.
• Any file can be opened in the editor.
• Java files can be decompiled and the Java displayed.

Technologies

• Java
• Swing
• Drag and Drop

Usage from Finder

From Finder.app

• select a file (for example a Jar file)
• right click
• select: java-explorer

Usage from Command Line

java-explorer file

For example:

java-explorer toolbox.jar

img class="post-image" src="/images/applications/diffall/diffall-2.png" alt="Compare Utility" />

Notes

Log files will be written to files in the directory /tmp/explorer. Ensure this directory exists.

Decompiler files will be written to files in the directory /tmp/jdec. Ensure this directory exists.

Development

At Github, create repository java-explorer

repo: https://github.com/johnvincentio/java-explorer

cd /Users/jv/Desktop/MyDevelopment/github/java/Utilities
create-repo java-explorer

Remove non-relevant files.

Add README.md

cd java-explorer

Create README.md

For details, see Explorer/README.md

Start Eclipse

in Finder

• select /Users/jv/Desktop/MyDevelopment/github/java/Utilities/java-explorer
• Right click, Services
  • eclipse-jee

Create Java Project

• File, New, Project
• Java Project

Settings

• Project Name: Explorer

• Use default location

• JRE; Use an execution environment JRE: JavaSE-1.8

• Create separate folders for sources and class files

• Default output folder: Explorer/classes

Package

Select src

• Right click, New, Package
• io.johnvincent.explorer

Copy code to this package and change package names.

Script file

/Users/jv/Desktop/MyDevelopment/github/java/Utilities/java-explorer/Explorer/explorer.command

Create Symbolic Link

ln -s /Users/jv/Desktop/MyDevelopment/github/java/Utilities/java-explorer/Explorer/explorer.command /Users/jv/Desktop/MyDevelopment/github/repo_shell_scripts/mac/unix-scripts/bin/java-explorer

Explorer as a Service

Wish to be able to start Explorer instance from any file or folder in finder.

Start Finder

• Go, Applications
• Automator (or Automator.app)

Select

• Quick Action, or
• Service (for earlier versions of MacOS)

and then select Choose

Ensure the following options are set:

• Workflow (or Service) receives selected: folders
• in: Finder.app
• Image: Action
• Color: Black

From the middle pane, double click Run Shell Script

• Shell: /bin/bash
• Pass input: as arguments

Enter the following script

/Users/jv/Desktop/MyDevelopment/github/repo_shell_scripts/mac/unix-scripts/bin/java-explorer $1

To save: Cmd-S

Save as: java-explorer

Save java-explorer as a Mac App

Execute from Finder

• Go, Applications
• Execute: Automator (or Automator.app)

Select

• Quick Action, or
• Application

and then select Choose

From the middle pane, double click Run Shell Script

Shell: /bin/bash Pass input: as arguments

/Users/jv/Desktop/MyDevelopment/github/repo_shell_scripts/mac/unix-scripts/bin/java-explorer $1

To save:

• File, Save:
• Save as: java-explorer
• Where: Applications

saves java-explorer.app in Applications.