added StringTools, made Debugger settings public, smaller improvements

Author: fquirin

src/main/java/net/b07z/sepia/server/core/tools/ClassBuilder.java

@@ -84,10 +84,10 @@ public static Object construct(String canonicalClassName){
 	}
 
 	/**
-	 * Experimental string source-code compiler.
+	 * Source code string compiler. Compiles code to class and stores result in given folder. 
 	 * @param className - full class name including package, e.g. com.example.my_package.MyNewClass
 	 * @param classCode - source-code as seen in Java files
-	 * @param targetFolder - parent directory of compiled class file (without package-path) or null
+	 * @param targetFolder - parent directory of compiled class file (without package-path)
 	 * @return Compile errors as readable String or empty
 	 */
 	public static String compile(String className, String classCode, File targetFolder){
@@ -123,7 +123,7 @@ public static String compile(String className, String classCode, File targetFold
 	    if (task.call()){
 	    	//Done
 	    	Debugger.println("ClassBuilder - compiled '" + className + "' to '" + folderOrMemory, 3);
-	    	return "";
+	    	return ""; 			//TODO: if this is MEMORY ONLY how do we get the clas later?
 	    }else{
 	    	//Error(s)
 	    	StringBuilder errors = new StringBuilder("Compile errors: \n");
@@ -135,5 +135,12 @@ public static String compile(String className, String classCode, File targetFold
 	    	return errors.toString();
 	    }
 	}
+	
+	/**
+	 * Simply use file name to get simple class name.
+	 */
+	public static String getSimpleClassNameFromFileName(String fileName){
+		return fileName.replaceFirst("\\$.*\\.", ".").replaceFirst("\\.(\\w+)$", "").trim();
+	}
 
 }

src/main/java/net/b07z/sepia/server/core/tools/Converters.java

@@ -10,6 +10,7 @@
 import java.util.Map;
 import java.util.Random;
 
+import org.json.simple.JSONArray;
 import org.json.simple.JSONObject;
 import org.json.simple.parser.JSONParser;
 import org.json.simple.parser.ParseException;
@@ -389,6 +390,18 @@ public static void addJsonToMapAsStrings(JSONObject jsonSource, Map<String, Stri
 		}
 	}
 
+	/**
+	 * Convert a JSONArray to an ArrayList of strings.
+	 * @param jArray - array to convert, entries are cast to String via '.toString()'
+	 */
+	public static List<String> jsonArrayToStringList(JSONArray jArray){
+		List<String> list = new ArrayList<>();
+		for (Object o : jArray){
+			list.add(o.toString());
+		}
+		return list;
+	}
+	
 	/**
 	 * Makes an unchecked (cause you can't check it, can you?) cast from Object to HashMap&#60String, Object&#62.
 	 * @param input - object that is supposed to be the expected HashMap 

src/main/java/net/b07z/sepia/server/core/tools/Debugger.java

@@ -17,9 +17,9 @@
  */
 public class Debugger {
 
-	static boolean error = true;	//1
-	static boolean info = false;	//2
-	static boolean log = true;		//3
+	public static boolean error = true;		//1
+	public static boolean info = false;		//2
+	public static boolean log = true;		//3
 
 	/**
 	 * Print a debug message with debug-type.

src/main/java/net/b07z/sepia/server/core/tools/RuntimeInterface.java

@@ -2,6 +2,7 @@
 
 import java.nio.charset.Charset;
 import java.nio.charset.StandardCharsets;
+import java.util.Collection;
 import java.util.List;
 import java.util.concurrent.TimeUnit;
 import java.util.stream.Stream;
@@ -113,6 +114,21 @@ public static RuntimeResult getWindowsShellCodepage(){
 	public static RuntimeResult runCommand(String[] command){
 		return runCommand(command, 5000);
 	}
+	/**
+	 * Execute runtime command. Chooses between "cmd.exe" and "sh" shell by OS.
+	 * @param command - e.g.: 'Arrays.asList("ping", "-c", "3", "sepia-framework.github.io")'
+	 * @param customTimeout - custom value between 0 and 15000 ms
+	 * @return
+	 */
+	public static RuntimeResult runCommand(Collection<String> command, long customTimeout){
+		return runCommand(command.toArray(new String[command.size()]), 5000);
+	}
+	/**
+	 * Execute runtime command. Chooses between "cmd.exe" and "sh" shell by OS.
+	 * @param command - e.g.: 'new String[]{"ping", "-c", "3", "sepia-framework.github.io"}'
+	 * @param customTimeout - custom value between 0 and 15000 ms
+	 * @return
+	 */
 	public static RuntimeResult runCommand(String[] command, long customTimeout){
 		Charset encoding = StandardCharsets.UTF_8;
 		if (isWindows() && windowsShellCodepage == null && !command[0].equals("chcp")){
@@ -127,6 +143,8 @@ public static RuntimeResult runCommand(String[] command, long customTimeout){
 		}
 		if (customTimeout > 15000){
 			customTimeout = 15000;
+		}else if (customTimeout <= 0){
+			customTimeout = 5000;
 		}
 		Process process;
 		try{

src/main/java/net/b07z/sepia/server/core/tools/StringTools.java

@@ -0,0 +1,29 @@
+package net.b07z.sepia.server.core.tools;
+
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+
+/**
+ * Some convenience methods to work with strings.
+ * 
+ * @author Florian Quirin
+ *
+ */
+public class StringTools {
+
+	/**
+	 * Find first matching regular expression or return empty string.
+	 * @param input - input to search in
+	 * @param regEx - regular expression to search for
+	 */
+	public static String findFirstRexEx(String input, String regEx){
+		Pattern pattern = Pattern.compile(regEx);
+		Matcher matcher = pattern.matcher(input);
+		if (matcher.find()){
+			return matcher.group(0);
+		}else{
+			return "";
+		}
+	}
+}