Fix String with special char in Json

src/dev/peerat/framework/utils/json/Json.java

@@ -1,3 +1,50 @@
 package dev.peerat.framework.utils.json;
 
-public interface Json{}
+public class Json{
+	
+	public void buildValue(StringBuilder builder, Object value){
+		if(value == null) builder.append("null");
+		else if(value instanceof  String){
+			builder.append('"');
+			for(char c : ((String)value).toCharArray()){
+				if(c == '"'){
+					builder.append("\\\"");
+					continue;
+				}
+				if(c == '\\'){
+					builder.append("\\\\");
+					continue;
+				}
+				if(c == '\n'){
+					builder.append("\\n");
+					continue;
+				}
+				if(c == '\b'){
+					builder.append("\\b");
+					continue;
+				}
+				if(c == '\f'){
+					builder.append("\\f");
+					continue;
+				}
+				if(c == '\r'){
+					builder.append("\\r");
+					continue;
+				}
+				if(c == '\t'){
+					builder.append("\\t");
+					continue;
+				}
+				builder.append(c);
+			}
+			builder.append('"');
+		}else if(value instanceof Character){
+			builder.append('\'');
+			builder.append(value);
+			builder.append('\'');
+		}else{
+			builder.append(value);
+		}
+	}
+	
+}

src/dev/peerat/framework/utils/json/JsonArray.java

@@ -1,9 +1,10 @@
 package dev.peerat.framework.utils.json;
 
 import java.util.ArrayList;
+import java.util.Iterator;
 import java.util.List;
 
-public class JsonArray implements Json{
+public class JsonArray extends Json{
 	
 	private List<Object> list;
 	
@@ -17,7 +18,16 @@ public class JsonArray implements Json{
 	
 	@Override
 	public String toString(){
-		return list.toString();
+		Iterator<Object> iterator = list.iterator();
+		if(!iterator.hasNext()) return "[]";
+		StringBuilder builder= new StringBuilder();
+		builder.append('[');
+		while(iterator.hasNext()){
+			buildValue(builder, iterator.next());
+			if(iterator.hasNext()) builder.append(',');
+		}
+		builder.append(']');
+		return builder.toString();
 	}
 
 	

src/dev/peerat/framework/utils/json/JsonMap.java

@@ -5,7 +5,7 @@ import java.util.Iterator;
 import java.util.Map;
 import java.util.Map.Entry;
 
-public class JsonMap implements Json{
+public class JsonMap extends Json{
 	
 	private Map<String, Object> map;
 	
@@ -38,17 +38,8 @@ public class JsonMap implements Json{
 			builder.append("\":");
 			
 			Object value = entry.getValue();
-			if(value instanceof  String){
-				builder.append('"');
-				builder.append(value);
-				builder.append('"');
-			}else if(value instanceof Character){
-				builder.append('\'');
-				builder.append(value);
-				builder.append('\'');
-			}else{
-				builder.append(value);
-			}
+			buildValue(builder, value);
+			
 			if(iterator.hasNext()) builder.append(',');
 		}
 		builder.append('}');

src/dev/peerat/framework/utils/json/JsonParser.java

@@ -133,7 +133,7 @@ public class JsonParser extends Parser<Json>{
 		return container.getValue();
 	}
 	
-	private static class JsonContainer implements Json{
+	private static class JsonContainer extends Json{
 		
 		private Json value;