smaller changes e.g. in FilesAndStreams.getString...

Author: fquirin

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

@@ -121,7 +121,7 @@ public static void compile(String className, String classCode, File targetFolder
 	    JavaCompiler.CompilationTask task = compiler.getTask(null, fileManager, diagnostics, optionList, null, compilationUnits);
 	    if (task.call()){
 	    	//Done
-	    	Debugger.println("Compiled '" + className + "' to '" + folderOrMemory, 3);
+	    	Debugger.println("ClassBuilder - compiled '" + className + "' to '" + folderOrMemory, 3);
 	    }else{
 	    	//Error(s)
 	    	for (Diagnostic<? extends JavaFileObject> diagnostic : diagnostics.getDiagnostics()){

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

@@ -66,13 +66,18 @@ public void run() {
 	/**
 	 * Collect all data of an InputStream to a string via BufferedReader and InputStreamReader.<br>
 	 * NOTE: Please check correct encoding of stream!
+	 * @param stream - input stream
+	 * @param charset - e.g.: StandardCharsets.UTF_8
+	 * @param lineBreakChar - a character to use for line-breaks, e.g. "\n" or System.lineSeparator()
+	 * @return
+	 * @throws IOException
 	 */
-	public static String getStringFromStream(InputStream stream, Charset charset) throws IOException{
+	public static String getStringFromStream(InputStream stream, Charset charset, String lineBreakChar) throws IOException{
 		try (BufferedReader in = new BufferedReader(new InputStreamReader(stream, charset))) {
 			String inputLine;
 			StringBuilder response = new StringBuilder();
 			while ((inputLine = in.readLine()) != null) {
-				response.append(inputLine + System.lineSeparator());
+				response.append(inputLine + lineBreakChar);
 			}
 			return response.toString();
 		}catch (IOException e){

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

@@ -1,6 +1,6 @@
 package net.b07z.sepia.server.core.tools;
 
-import java.util.List;
+import java.util.Collection;
 import java.util.Map;
 
 import org.json.simple.JSONObject;
@@ -53,15 +53,15 @@ public static boolean notNullOrEmptyMap(Map<String, ?> m){
 	}
 
 	/**
-	 * Returns "true" if the list is null or empty.
+	 * Returns "true" if the collection is null or empty.
 	 */
-	public static boolean nullOrEmpty(List<?> l){
+	public static boolean nullOrEmpty(Collection<?> l){
 		return (l == null || l.isEmpty());
 	}
 	/**
-	 * Returns "true" if the list is not null and not empty.
+	 * Returns "true" if the collection is not null and not empty.
 	 */
-	public static boolean notNullOrEmpty(List<?> l){
+	public static boolean notNullOrEmpty(Collection<?> l){
 		return (l != null && !l.isEmpty());
 	}
 }

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

@@ -30,6 +30,9 @@ public SandboxClassLoader(File fileOrDir, List<String> blackList) throws Malform
     }
 
     @Override
+    /**
+     * Loads class with given binary name if not done before and not on blacklist of the sand-box.
+     */
     public Class<?> loadClass(String name) throws ClassNotFoundException {
     	//TODO: add a white-list/black-list combo here? Maybe check for package on black-list first then white-list
     	if (name.contains(".")){