001 /* 002 * SonarQube, open source software quality management tool. 003 * Copyright (C) 2008-2013 SonarSource 004 * mailto:contact AT sonarsource DOT com 005 * 006 * SonarQube is free software; you can redistribute it and/or 007 * modify it under the terms of the GNU Lesser General Public 008 * License as published by the Free Software Foundation; either 009 * version 3 of the License, or (at your option) any later version. 010 * 011 * SonarQube is distributed in the hope that it will be useful, 012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014 * Lesser General Public License for more details. 015 * 016 * You should have received a copy of the GNU Lesser General Public License 017 * along with this program; if not, write to the Free Software Foundation, 018 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 019 */ 020 package org.sonar.api.issue.internal; 021 022 import com.google.common.base.Splitter; 023 import com.google.common.base.Strings; 024 import com.google.common.collect.Maps; 025 026 import javax.annotation.CheckForNull; 027 import javax.annotation.Nullable; 028 import java.io.Serializable; 029 import java.util.Date; 030 import java.util.Map; 031 032 /** 033 * PLUGINS MUST NOT USE THIS CLASS, EXCEPT FOR UNIT TESTING. 034 * 035 * @since 3.6 036 */ 037 public class FieldDiffs implements Serializable { 038 039 public static final Splitter FIELDS_SPLITTER = Splitter.on(',').omitEmptyStrings(); 040 041 private String userLogin; 042 private Date createdAt, updatedAt; 043 private final Map<String, Diff> diffs = Maps.newLinkedHashMap(); 044 045 public Map<String, Diff> diffs() { 046 return diffs; 047 } 048 049 public Diff get(String field) { 050 return diffs.get(field); 051 } 052 053 @CheckForNull 054 public String userLogin() { 055 return userLogin; 056 } 057 058 public FieldDiffs setUserLogin(@Nullable String s) { 059 this.userLogin = s; 060 return this; 061 } 062 063 public Date createdAt() { 064 return createdAt; 065 } 066 067 public FieldDiffs setCreatedAt(Date d) { 068 this.createdAt = d; 069 return this; 070 } 071 072 public Date updatedAt() { 073 return updatedAt; 074 } 075 076 public FieldDiffs setUpdatedAt(Date d) { 077 this.updatedAt = d; 078 return this; 079 } 080 081 082 @SuppressWarnings("unchecked") 083 public FieldDiffs setDiff(String field, @Nullable Serializable oldValue, @Nullable Serializable newValue) { 084 Diff diff = diffs.get(field); 085 if (diff == null) { 086 diff = new Diff(oldValue, newValue); 087 diffs.put(field, diff); 088 } else { 089 diff.setNewValue(newValue); 090 } 091 return this; 092 } 093 094 @Override 095 public String toString() { 096 StringBuilder sb = new StringBuilder(); 097 boolean notFirst = false; 098 for (Map.Entry<String, Diff> entry : diffs.entrySet()) { 099 if (notFirst) { 100 sb.append(','); 101 } else { 102 notFirst = true; 103 } 104 sb.append(entry.getKey()); 105 sb.append('='); 106 sb.append(entry.getValue().toString()); 107 } 108 return sb.toString(); 109 } 110 111 public static FieldDiffs parse(@Nullable String s) { 112 FieldDiffs diffs = new FieldDiffs(); 113 if (!Strings.isNullOrEmpty(s)) { 114 Iterable<String> fields = FIELDS_SPLITTER.split(s); 115 for (String field : fields) { 116 String[] keyValues = field.split("="); 117 if (keyValues.length == 2) { 118 String[] values = keyValues[1].split("\\|"); 119 String oldValue = ""; 120 String newValue = ""; 121 if(values.length == 1) { 122 newValue = Strings.nullToEmpty(values[0]); 123 } else if(values.length == 2) { 124 oldValue = Strings.nullToEmpty(values[0]); 125 newValue = Strings.nullToEmpty(values[1]); 126 } 127 diffs.setDiff(keyValues[0], oldValue, newValue); 128 } else { 129 diffs.setDiff(keyValues[0], "", ""); 130 } 131 } 132 } 133 return diffs; 134 } 135 136 public static class Diff<T extends Serializable> implements Serializable { 137 private T oldValue, newValue; 138 139 public Diff(@Nullable T oldValue, @Nullable T newValue) { 140 this.oldValue = oldValue; 141 this.newValue = newValue; 142 } 143 144 public T oldValue() { 145 return oldValue; 146 } 147 148 public T newValue() { 149 return newValue; 150 } 151 152 void setNewValue(T t) { 153 this.newValue = t; 154 } 155 156 @Override 157 public String toString() { 158 //TODO escape , and | characters 159 StringBuilder sb = new StringBuilder(); 160 if(newValue != null) { 161 if(oldValue != null) { 162 sb.append(oldValue.toString()); 163 sb.append('|'); 164 } 165 sb.append(newValue.toString()); 166 } 167 return sb.toString(); 168 } 169 } 170 }