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[{"1":"\/*","2":" * Sonar, open source software quality management tool.","3":" * Copyright (C) 2009 SonarSource SA","4":" * mailto:contact AT sonarsource DOT com","5":" *","6":" * Sonar is free software; you can redistribute it and\/or","7":" * modify it under the terms of the GNU Lesser General Public","8":" * License as published by the Free Software Foundation; either","9":" * version 3 of the License, or (at your option) any later version.","10":" *","11":" * Sonar is distributed in the hope that it will be useful,","12":" * but WITHOUT ANY WARRANTY; without even the implied warranty of","13":" * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU","14":" * Lesser General Public License for more details.","15":" *","16":" * You should have received a copy of the GNU Lesser General Public","17":" * License along with Sonar; if not, write to the Free Software","18":" * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02","19":" *\/","20":"package org.sonar.api.utils;","21":"","22":"import com.google.common.collect.Multiset;","23":"import org.apache.commons.collections.Bag;","24":"import org.apache.commons.lang.StringUtils;","25":"import org.apache.commons.lang.math.NumberUtils;","26":"import org.sonar.api.rules.RulePriority;","27":"import org.slf4j.LoggerFactory;","28":"","29":"import java.util.HashMap;","30":"import java.util.Map;","31":"","32":"\/**","33":" * Util class to format key\/value data. Output is a string representation ready to be","34":" * injected into the database","35":" *","36":" * @since 1.10","37":" *\/","38":"public final class KeyValueFormat {","39":"","40":" private KeyValueFormat() {","41":" }","42":"","43":" \/**","44":" * Transforms a string with the following format : "key1=value1;key2=value2..."","45":" * into a Map<KEY, VALUE>. Requires to implement the transform(key,value) method","46":" *","47":" * @param data the input string","48":" * @param transformer the interface to implement","49":" * @return a Map of <key, value>","50":" *\/","51":" public static <KEY, VALUE> Map<KEY, VALUE> parse(String data, Transformer<KEY, VALUE> transformer) {","52":" Map<String, String> rawData = parse(data);","53":" Map<KEY, VALUE> map = new HashMap<KEY, VALUE>();","54":" for (Map.Entry<String, String> entry : rawData.entrySet()) {","55":" KeyValue<KEY, VALUE> keyVal = transformer.transform(entry.getKey(), entry.getValue());","56":" if (keyVal != null) {","57":" map.put(keyVal.getKey(), keyVal.getValue());","58":" }","59":" }","60":" return map;","61":" }","62":"","63":" \/**","64":" * Transforms a string with the following format : "key1=value1;key2=value2..."","65":" * into a Map<String,String>","66":" *","67":" * @param data the string to parse","68":" * @return a map","69":" *\/","70":" public static Map<String, String> parse(String data) {","71":" Map<String, String> map = new HashMap<String, String>();","72":" String[] pairs = StringUtils.split(data, ";");","73":" for (String pair : pairs) {","74":" String[] keyValue = StringUtils.split(pair, "=");","75":" String key = keyValue[0];","76":" String value = (keyValue.length == 2 ? keyValue[1] : "");","77":" map.put(key, value);","78":" }","79":" return map;","80":" }","81":"","82":" \/**","83":" * Transforms a map<KEY,VALUE> into a string with the format : "key1=value1;key2=value2..."","84":" *","85":" * @param map the map to transform","86":" * @return the formatted string","87":" *\/","88":" public static <KEY, VALUE> String format(Map<KEY, VALUE> map) {","89":" StringBuilder sb = new StringBuilder();","90":" boolean first = true;","91":" for (Map.Entry<?, ?> entry : map.entrySet()) {","92":" if (!first) {","93":" sb.append(";");","94":" }","95":" sb.append(entry.getKey().toString());","96":" sb.append("=");","97":" if (entry.getValue() != null) {","98":" sb.append(entry.getValue());","99":" }","100":" first = false;","101":" }","102":"","103":" return sb.toString();","104":" }","105":"","106":" \/**","107":" * @since 1.11","108":" * @deprecated use Multiset from google collections instead of commons-collections bags","109":" *\/","110":" public static String format(Bag bag) {","111":" return format(bag, 0);","112":" }","113":"","114":" \/**","115":" * @since 1.11","116":" * @deprecated use Multiset from google collections instead of commons-collections bags","117":" *\/","118":" public static String format(Bag bag, int var) {","119":" StringBuilder sb = new StringBuilder();","120":" boolean first = true;","121":" for (Object obj : bag.uniqueSet()) {","122":" if (!first) {","123":" sb.append(";");","124":" }","125":" sb.append(obj.toString());","126":" sb.append("=");","127":" sb.append(bag.getCount(obj) + var);","128":" first = false;","129":" }","130":"","131":" return sb.toString();","132":" }","133":"","134":" \/**","135":" * Transforms a Multiset<?> into a string with the format : "key1=count1;key2=count2..."","136":" *","137":" * @param set the set to transform","138":" * @return the formatted string","139":" *\/","140":" public static String format(Multiset<?> set) {","141":" StringBuilder sb = new StringBuilder();","142":" boolean first = true;","143":" for (Multiset.Entry<?> entry : set.entrySet()) {","144":" if (!first) {","145":" sb.append(";");","146":" }","147":" sb.append(entry.getElement().toString());","148":" sb.append("=");","149":" sb.append(entry.getCount());","150":" first = false;","151":" }","152":" return sb.toString();","153":" }","154":"","155":" \/**","156":" * Transforms a Object... into a string with the format : "object1=object2;object3=object4..."","157":" *","158":" * @param objects the object list to transform","159":" * @return the formatted string","160":" *\/","161":" public static String format(Object... objects) {","162":" StringBuilder sb = new StringBuilder();","163":" boolean first = true;","164":" if (objects != null) {","165":" for (int i = 0; i < objects.length; i++) {","166":" if (!first) {","167":" sb.append(";");","168":" }","169":" sb.append(objects[i++].toString());","170":" sb.append("=");","171":" sb.append(objects[i]);","172":" first = false;","173":" }","174":" }","175":" return sb.toString();","176":" }","177":"","178":" public interface Transformer<KEY, VALUE> {","179":" KeyValue<KEY, VALUE> transform(String key, String value);","180":" }","181":"","182":" \/**","183":" * Implementation of Transformer<String, Double>","184":" *\/","185":" public static class StringNumberPairTransformer implements Transformer<String, Double> {","186":"","187":" public KeyValue<String, Double> transform(String key, String value) {","188":" return new KeyValue<String, Double>(key, toDouble(value));","189":" }","190":" }","191":"","192":" \/**","193":" * Implementation of Transformer<Double, Double>","194":" *\/","195":" public static class DoubleNumbersPairTransformer implements Transformer<Double, Double> {","196":"","197":" public KeyValue<Double, Double> transform(String key, String value) {","198":" return new KeyValue<Double, Double>(toDouble(key), toDouble(value));","199":" }","200":" }","201":"","202":" \/**","203":" * Implementation of Transformer<Integer, Integer>","204":" *\/","205":" public static class IntegerNumbersPairTransformer implements Transformer<Integer, Integer> {","206":"","207":" public KeyValue<Integer, Integer> transform(String key, String value) {","208":" return new KeyValue<Integer, Integer>(toInteger(key), toInteger(value));","209":" }","210":" }","211":"","212":" \/**","213":" * Implementation of Transformer<RulePriority, Integer>","214":" *\/","215":" public static class RulePriorityNumbersPairTransformer implements Transformer<RulePriority, Integer> {","216":"","217":" public KeyValue<RulePriority, Integer> transform(String key, String value) {","218":" try {","219":" if (StringUtils.isBlank(value)) { value = "0"; }","220":" return new KeyValue<RulePriority, Integer>(RulePriority.valueOf(key.toUpperCase()), Integer.parseInt(value));","221":" }","222":" catch (Exception e) {","223":" LoggerFactory.getLogger(RulePriorityNumbersPairTransformer.class).warn("Property " + key + " has invalid value: " + value, e);","224":" return null;","225":" }","226":" }","227":" }","228":"","229":" private static Double toDouble(String value) {","230":" return StringUtils.isBlank(value) ? null : NumberUtils.toDouble(value);","231":" }","232":"","233":" private static Integer toInteger(String value) {","234":" return StringUtils.isBlank(value) ? null : NumberUtils.toInt(value);","235":" }","236":"}"}]
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