File Processing Application

A command-line application in Java that allows the user to manipulate text files with number content.

About

The application requests at start that the user provides a valid path to a .txt file. After the file is opened and parsed, the following commands are supported:

FILE PROCESSING APPLICATION - SUPPORTED COMMANDS
----
help - Prints this message
----
insertnum <line_index> <line_number_index> <new integer to set> - Insert a number at a specific position
swaplines <first_line_index> <second_line_index> - Swap two lines
swapnums <first_line_index> <first_line_number_index> <second_line_index> <second_line_number_index> - Swap two numbers at specified positions
readnum <line_index> <line_number_index> - Read a number at a specified position
modifynum <line_index> <line_number_index> <new integer to be set> - Modify a number at a specified position and set a new value
removenum <line_index> <line_number_index> - Remove a number at a specified position
* PAY ATTENTION: The first number in the first row has <line_index> = 1 and <line_number_index> = 1
----
validate - Validate the current content
print - Print the current content
----
save - Save the performed changes in the file
quit - Exit the application

Usage

<clone the source code>
cd FileProcessingApp

# Build application
mvn clean package

# Run
java -classpath target/FileProcessingApp-<version, e.g. 0.1.0-SNAPSHOT>.jar:<path to guava>/guava-18.0.jar com.atanasg.fileprocessingapp.FileProcessingAppLauncher

A log showing an example interaction with the appliaction can be found in the EXAMPLE_CONSOLE_LOG file.

License

This project is licensed under the Apache License 2.0. Check out the license text inside the LICENSE file.

Dependencies

Generate the project site in order to see all direct and transitive dependencies incl. their licenses.

# Build project site and reports
mvn clean site

# Go to the location of the generated html site
cd target/site/

Test coverage and static code analysis

Generate the project site (see above) to find the reports from Cobertura, FindBugs and PMD.