diff options
| author | Ben Culkin <scorpress@gmail.com> | 2020-04-13 18:40:41 -0400 |
|---|---|---|
| committer | Ben Culkin <scorpress@gmail.com> | 2020-04-13 18:40:41 -0400 |
| commit | d4ca769e542b2489b1e23cfcbdc3a0b7275b87cd (patch) | |
| tree | 1653a7399f97fb0c63ce62e3f60fd830d5c37f70 /base/src/main/java/bjc/utils/cli/CLICommander.java | |
| parent | 2ac2e31a56ae59ee582e43a90c3495f86dd9ee7a (diff) | |
Cleanup pass
Cleanup pass to uniformize things
Diffstat (limited to 'base/src/main/java/bjc/utils/cli/CLICommander.java')
| -rw-r--r-- | base/src/main/java/bjc/utils/cli/CLICommander.java | 44 |
1 files changed, 23 insertions, 21 deletions
diff --git a/base/src/main/java/bjc/utils/cli/CLICommander.java b/base/src/main/java/bjc/utils/cli/CLICommander.java index ad3bea9..f27454e 100644 --- a/base/src/main/java/bjc/utils/cli/CLICommander.java +++ b/base/src/main/java/bjc/utils/cli/CLICommander.java @@ -24,20 +24,22 @@ public class CLICommander { * Create a new CLI interface powered by streams. * * @param input - * The stream to get user input from. + * The stream to get user input from. * * @param output - * The stream to send normal output to. + * The stream to send normal output to. * * @param error - * The stream to send error output to. + * The stream to send error output to. */ - public CLICommander(final InputStream input, final OutputStream output, final OutputStream error) { - if(input == null) + public CLICommander(final InputStream input, final OutputStream output, + final OutputStream error) { + if (input == null) throw new NullPointerException("Input stream must not be null"); - else if(output == null) + else if (output == null) throw new NullPointerException("Output stream must not be null"); - else if(error == null) throw new NullPointerException("Error stream must not be null"); + else if (error == null) + throw new NullPointerException("Error stream must not be null"); this.input = input; this.output = output; @@ -53,9 +55,8 @@ public class CLICommander { /* * Set up input streams. * - * We're suppressing the warning about a potentially leaked - * resource because we might use the input stream multiple - * times. + * We're suppressing the warning about a potentially leaked resource because we + * might use the input stream multiple times. */ @SuppressWarnings("resource") final Scanner inputSource = new Scanner(input); @@ -63,24 +64,23 @@ public class CLICommander { /* * The mode currently being used to handle commands. * - * Used to preserve the initial mode, so that a mode can be - * invoked more than once. + * Used to preserve the initial mode, so that a mode can be invoked more than + * once. */ CommandMode currentMode = initialMode; /* The number of the command we are executing. */ int comno = 1; /* - * Process commands until we're told to stop, by the mode being - * set to null. + * Process commands until we're told to stop, by the mode being set to null. */ - while(currentMode != null) { + while (currentMode != null) { /* * Print out the command prompt. * * Use a custom prompt if one is specified. */ - if(currentMode.isCustomPromptEnabled()) { + if (currentMode.isCustomPromptEnabled()) { normalOutput.print(currentMode.getCustomPrompt()); } else { normalOutput.printf("%s (%d)>> ", currentMode.getName(), comno); @@ -92,21 +92,22 @@ public class CLICommander { final String currentLine = inputSource.nextLine(); /* Handle commands we can handle in this mode. */ - if(currentMode.canHandle(currentLine)) { + if (currentMode.canHandle(currentLine)) { final String[] commandTokens = currentLine.split(" "); String[] commandArgs = null; final int argCount = commandTokens.length; /* Parse args if they are present. */ - if(argCount > 1) { + if (argCount > 1) { commandArgs = Arrays.copyOfRange(commandTokens, 1, argCount); } /* Process command. */ currentMode = currentMode.process(commandTokens[0], commandArgs); } else { - errorOutput.printf("Error: Unrecognized command '%s' (no. %d)\n", currentLine, comno); + errorOutput.printf("Error: Unrecognized command '%s' (no. %d)\n", + currentLine, comno); } } @@ -117,10 +118,11 @@ public class CLICommander { * Set the initial command mode to use. * * @param initialMode - * The initial command mode to use. + * The initial command mode to use. */ public void setInitialCommandMode(final CommandMode initialMode) { - if(initialMode == null) throw new NullPointerException("Initial mode must be non-null"); + if (initialMode == null) + throw new NullPointerException("Initial mode must be non-null"); this.initialMode = initialMode; } |
