001 /*
002 * Sonar, open source software quality management tool.
003 * Copyright (C) 2008-2011 SonarSource
004 * mailto:contact AT sonarsource DOT com
005 *
006 * Sonar 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 * Sonar 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
017 * License along with Sonar; if not, write to the Free Software
018 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02
019 */
020 package org.sonar.server.filters;
021
022 import org.apache.commons.collections.comparators.ReverseComparator;
023
024 import java.io.Serializable;
025 import java.util.*;
026
027 public class FilterResult {
028 private List<Object[]> rows;
029 private Filter filter;
030 public static final int SORTED_COLUMN_INDEX = 3;
031
032 public FilterResult(Filter filter, List rows) {
033 this.rows = new ArrayList(rows);
034 this.filter = filter;
035 }
036
037 /**
038 * @return a list of arrays
039 */
040 public List getRows() {
041 return rows;
042 }
043
044 public int size() {
045 return rows.size();
046 }
047
048 public Integer getSnapshotId(Object row) {
049 return (Integer) ((Object[]) row)[getSnapshotIdIndex()];
050 }
051
052 public Integer getProjectId(Object row) {
053 return (Integer) ((Object[]) row)[getProjectIdIndex()];
054 }
055
056 public Integer getRootProjectId(Object row) {
057 return (Integer) ((Object[]) row)[getRootProjectIdIndex()];
058 }
059
060 public int getSnapshotIdIndex() {
061 return 0;
062 }
063
064 public int getProjectIdIndex() {
065 return 1;
066 }
067
068 public int getRootProjectIdIndex() {
069 return 2;
070 }
071
072 public void sort() {
073 if (filter.isSorted()) {
074 Comparator comparator = (filter.isTextSort() ? new StringIgnoreCaseComparator(SORTED_COLUMN_INDEX) : new NumericComparator(SORTED_COLUMN_INDEX));
075 if (!filter.isAscendingSort()) {
076 comparator = new ReverseComparator(comparator);
077 }
078 Collections.sort(rows, comparator);
079 }
080 }
081
082 public void removeUnvalidRows() {
083 int numberOfCriteria = filter.getMeasureCriteria().size();
084 if (numberOfCriteria > 0) {
085 int fromColumnIndex = (filter.isSorted() ? SORTED_COLUMN_INDEX + 1 : SORTED_COLUMN_INDEX);
086 for (Iterator<Object[]> it = rows.iterator(); it.hasNext(); ) {
087 Object[] row = it.next();
088 boolean remove = false;
089 for (int index = 0; index < numberOfCriteria; index++) {
090 if (row[fromColumnIndex + index] == null) {
091 remove = true;
092 }
093 }
094 if (remove) {
095 it.remove();
096 }
097 }
098 }
099 }
100
101 static final class NumericComparator implements Comparator, Serializable {
102 private static final long serialVersionUID = 4627704879575964978L;
103 private int index;
104
105 NumericComparator(int index) {
106 this.index = index;
107 }
108
109 public int compare(Object a1, Object a2) {
110 Comparable c1 = (Comparable) ((Object[]) a1)[index];
111 Object o2 = ((Object[]) a2)[index];
112 return (c1 == null ? -1 : (o2 == null ? 1 : c1.compareTo(o2)));
113 }
114 }
115
116 static final class StringIgnoreCaseComparator implements Comparator, Serializable {
117 private static final long serialVersionUID = 963926659201833101L;
118 private int index;
119
120 StringIgnoreCaseComparator(int index) {
121 this.index = index;
122 }
123
124 public int compare(Object o1, Object o2) {
125 String s1 = (String)((Object[]) o1)[index];
126 if (s1 == null) {
127 return -1;
128 }
129 String s2 = (String)((Object[]) o2)[index];
130 if (s2 == null) {
131 return 1;
132 }
133 return s1.compareToIgnoreCase(s2);
134 }
135 }
136 }
137