Overview of Explorer Utility

Overview of Explorer Utility

by John Vincent


Posted on May 1, 2018


Explorer Utility

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.