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Improve the JMatrix Main class #49

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Jun 20, 2023
Merged

Improve the JMatrix Main class #49

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70 changes: 46 additions & 24 deletions src/main/java/com/mitsuki/jmatrix/Main.java
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Original file line number Diff line number Diff line change
Expand Up @@ -3,25 +3,39 @@
import com.mitsuki.jmatrix.util.Options;
import com.mitsuki.jmatrix.util.XMLParser;

/**
* Main class for <b>JMatrix</b> library that provides some information such as <b>JMatrix</b> version.
*
* <p>This class does not provides API for build the matrix,
* it's just <i>useless<i> class if get imported.
*
* <p><b>Usage:</b></p>
*
* <pre>&nbsp;
* java -jar path/to/jmatrix.jar [-h|-V|-cr]
* </pre>
*
* @author <a href="https://github.com/mitsuki31" target="_blank">
* Ryuu Mitsuki</a>
* @version 1.2, 20 June 2023
* @since 1.0.0
* @see com.mitsuki.jmatrix.Matrix
*/
public class Main
{
private static XMLParser XML = new XMLParser(XMLParser.XMLType.CONFIG);
private static String programVersion = XML.getProperty("programName") + " " + getVersion();

public static void main(String[ ] args) {
String arg1 = null;
String arg2 = null;

XMLParser XML = new XMLParser(XMLParser.XMLType.CONFIG);

if (args.length >= 1 && args.length < 2) {
arg1 = args[0];
if (args.length == 2) {
arg2 = args[1];
}
}
else if (args.length > 1) {
} else if (args.length > 1) {
try {
throw new IllegalArgumentException("Too much arguments");
} catch (final Exception e) {
Options.raiseErrorMsg(e, 0);
} catch (final IllegalArgumentException iae) {
Options.raiseErrorMsg(iae, 0);
System.out.println(Options.getHelpMsg()[0]);
System.out.println(" " +
"java -jar <jar_file> [-h|-V|-cr]");
Expand All @@ -46,25 +60,16 @@ else if (args.length > 1) {

switch (Options.getOptions(arg1)) {
case VERSION:
System.out.print(XML.getProperty("programName") + " " +
XML.getProperty("version") + "-");
System.out.print(XML.getProperty("releaseType"));
String pkgName = String.format(" <%s>", XML.getProperty("packageName"));

if (!XML.getProperty("releaseType").equals("release"))
System.out.print("." + XML.getProperty("betaNum"));

System.out.printf(" <%s>%s", XML.getProperty("packageName"), System.lineSeparator());
System.out.println(programVersion + pkgName);
break;

case HELP:
System.out.print(XML.getProperty("programName") + " " + XML.getProperty("version"));

if (!XML.getProperty("releaseType").equals("release")) {
System.out.println("-" + XML.getProperty("releaseType") + "." + XML.getProperty("betaNum"));
} else {
System.out.print(System.lineSeparator());
}
String lines = System.lineSeparator();
for (byte i = 0; i < (byte) programVersion.length(); i++) lines += "-";

System.out.println(programVersion + lines + System.lineSeparator());
for (String s : Options.getHelpMsg()) System.out.println(s);
break;

Expand All @@ -73,4 +78,21 @@ else if (args.length > 1) {
break;
}
}

private static String getVersion() {
String ver = XML.getProperty("version");

// Only retrieve the release type if not release and stable release
if (!XML.getProperty("releaseType").equals("release") ||
!XML.getProperty("releaseType").equals("stable")) {
ver += "-" + XML.getProperty("releaseType");

// This will only retrieve a non-zero beta number
if (XML.getProperty("betaNum").equals("0")) {
ver += "." + XML.getProperty("betaNum");
}
}

return ver;
}
}