#919 - io.ebean package initial

src/main/java/io/ebeaninternal/server/lib/util/Str.java

@@ -0,0 +1,39 @@
+package io.ebeaninternal.server.lib.util;
+
+/**
+ * String utility for adding strings together.
+ * <p>
+ * Predicts a decent buffer size to append the strings into.
+ */
+public class Str {
+
+  /**
+   * Append strings together.
+   */
+  public static String add(String s0, String s1, String... args) {
+
+    // determine a decent buffer size
+    int len = 16 + s0.length() + s1.length();
+    for (String arg1 : args) {
+      len += arg1.length();
+    }
+
+    // append all the strings into the buffer
+    StringBuilder sb = new StringBuilder(len);
+    sb.append(s0).append(s1);
+    for (String arg : args) {
+      sb.append(arg);
+    }
+    return sb.toString();
+  }
+
+  /**
+   * Append two strings together.
+   */
+  public static String add(String s0, String s1) {
+    //noinspection StringBufferReplaceableByString
+    StringBuilder sb = new StringBuilder(s0.length() + s1.length() + 5);
+    return sb.append(s0).append(s1).toString();
+  }
+
+}