--- /dev/null
+package org.apache.lucene.util;
+
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * Helper methods to ease implementing {@link Object#toString()}.
+ */
+public final class ToStringUtils {
+
+ private ToStringUtils() {} // no instance
+
+ /**
+ * for printing boost only if not 1.0
+ */
+ public static String boost(float boost) {
+ if (boost != 1.0f) {
+ return "^" + Float.toString(boost);
+ } else return "";
+ }
+
+ public static void byteArray(StringBuilder buffer, byte[] bytes) {
+ for (int i = 0; i < bytes.length; i++) {
+ buffer.append("b[").append(i).append("]=").append(bytes[i]);
+ if (i < bytes.length - 1) {
+ buffer.append(',');
+ }
+
+ }
+ }
+
+}