Added support for Mojang API calls in ApiClient

Added Mojang API call to retreive Player profile

src/main/java/eu/crushedpixel/replaymod/api/QueryBuilder.java

@@ -0,0 +1,93 @@
+package eu.crushedpixel.replaymod.api;
+
+import java.io.UnsupportedEncodingException;
+import java.net.URLEncoder;
+import java.util.HashMap;
+import java.util.Map;
+
+public class QueryBuilder {
+
+    public String apiMethod;
+    public Map<String, String> paramMap;
+
+    public QueryBuilder() {
+        this(null);
+    }
+
+    public QueryBuilder(String apiMethod) {
+        this.apiMethod = apiMethod;
+    }
+
+    public QueryBuilder(String apiMethod, String key, String value) {
+        this(apiMethod);
+        put(key, value);
+    }
+
+    public QueryBuilder(String apiMethod, String key1, String value1, String key2, String value2) {
+        this(apiMethod);
+        put(key1, value1);
+        put(key2, value2);
+    }
+
+    public QueryBuilder(String apiMethod, String key1, String value1, String key2, String value2, String key3, String value3) {
+        this(apiMethod);
+        put(key1, value1);
+        put(key2, value2);
+        put(key3, value3);
+    }
+
+    public void put(String key, Object value) {
+        if(key != null && value != null) {
+            if(paramMap == null) {
+                paramMap = new HashMap<String, String>();
+            }
+            paramMap.put(key, value.toString());
+        }
+    }
+
+    public void put(String key1, Object value1, String key2, Object value2) {
+        put(key1, value1);
+        put(key2, value2);
+    }
+
+    public void put(String key1, Object value1, String key2, Object value2, String key3, Object value3) {
+        put(key1, value1);
+        put(key2, value2);
+        put(key3, value3);
+    }
+
+    public void put(Map<String, Object> paraMap) {
+        if(paraMap == null) return;
+        for(String key : paraMap.keySet()) {
+            put(key, paraMap.get(key));
+        }
+    }
+
+    public String toString() {
+        if(apiMethod == null) throw new IllegalArgumentException("apiMethod may not be null");
+
+        StringBuilder sb = new StringBuilder();
+
+        // build base url
+        sb.append(apiMethod);
+
+        // process parameters
+        try {
+            if(paramMap != null) {
+                boolean first = true;
+                for(String paramName : paramMap.keySet()) {
+                    if(first) sb.append("?");
+                    if(!first) sb.append("&");
+                    first = false;
+                    sb.append(paramName);
+                    sb.append("=");
+                    String value = paramMap.get(paramName);
+                    sb.append(URLEncoder.encode(value, "UTF-8"));
+                }
+            }
+            return sb.toString();
+        } catch(UnsupportedEncodingException e) {
+            throw new RuntimeException(e);
+        }
+    }
+}