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