| /* |
| * 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. |
| */ |
| package org.apache.lucene.benchmark.byTask.utils; |
| |
| |
| import java.text.NumberFormat; |
| import java.util.Locale; |
| |
| /** |
| * Formatting utilities (for reports). |
| */ |
| public class Format { |
| |
| private static NumberFormat numFormat [] = { |
| NumberFormat.getInstance(Locale.ROOT), |
| NumberFormat.getInstance(Locale.ROOT), |
| NumberFormat.getInstance(Locale.ROOT), |
| }; |
| private static final String padd = " "; |
| |
| static { |
| numFormat[0].setMaximumFractionDigits(0); |
| numFormat[0].setMinimumFractionDigits(0); |
| numFormat[1].setMaximumFractionDigits(1); |
| numFormat[1].setMinimumFractionDigits(1); |
| numFormat[2].setMaximumFractionDigits(2); |
| numFormat[2].setMinimumFractionDigits(2); |
| } |
| |
| /** |
| * Padd a number from left. |
| * @param numFracDigits number of digits in fraction part - must be 0 or 1 or 2. |
| * @param f number to be formatted. |
| * @param col column name (used for deciding on length). |
| * @return formatted string. |
| */ |
| public static String format(int numFracDigits, float f, String col) { |
| String res = padd + numFormat[numFracDigits].format(f); |
| return res.substring(res.length() - col.length()); |
| } |
| |
| public static String format(int numFracDigits, double f, String col) { |
| String res = padd + numFormat[numFracDigits].format(f); |
| return res.substring(res.length() - col.length()); |
| } |
| |
| /** |
| * Pad a number from right. |
| * @param numFracDigits number of digits in fraction part - must be 0 or 1 or 2. |
| * @param f number to be formatted. |
| * @param col column name (used for deciding on length). |
| * @return formatted string. |
| */ |
| public static String formatPaddRight(int numFracDigits, float f, String col) { |
| String res = numFormat[numFracDigits].format(f) + padd; |
| return res.substring(0, col.length()); |
| } |
| |
| public static String formatPaddRight(int numFracDigits, double f, String col) { |
| String res = numFormat[numFracDigits].format(f) + padd; |
| return res.substring(0, col.length()); |
| } |
| |
| /** |
| * Pad a number from left. |
| * @param n number to be formatted. |
| * @param col column name (used for deciding on length). |
| * @return formatted string. |
| */ |
| public static String format(int n, String col) { |
| String res = padd + n; |
| return res.substring(res.length() - col.length()); |
| } |
| |
| /** |
| * Pad a string from right. |
| * @param s string to be formatted. |
| * @param col column name (used for deciding on length). |
| * @return formatted string. |
| */ |
| public static String format(String s, String col) { |
| String s1 = (s + padd); |
| return s1.substring(0, Math.min(col.length(), s1.length())); |
| } |
| |
| /** |
| * Pad a string from left. |
| * @param s string to be formatted. |
| * @param col column name (used for deciding on length). |
| * @return formatted string. |
| */ |
| public static String formatPaddLeft(String s, String col) { |
| String res = padd + s; |
| return res.substring(res.length() - col.length()); |
| } |
| |
| } |