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Merge pull request #84 from sandzhang/master

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MapComparator修复及testcase
This commit is contained in:
温高铁
2012-08-26 18:51:50 -07:00
parent 1ed493dee4 3ec7c158e9
commit 6b3151975a
3 changed files with 173 additions and 3 deletions
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src/main/java/com/alibaba/druid/util/MapComparator.java
+6 -2
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@@ -29,7 +29,7 @@ public class MapComparator<K extends Object, V extends Object> implements Compar
private boolean isDesc;
private K orderByKey;
public MapComparator(K orderByKey, boolean isDesc) {
public MapComparator(K orderByKey, boolean isDesc){
this.orderByKey = orderByKey;
this.isDesc = isDesc;
}
@@ -58,19 +58,23 @@ public class MapComparator<K extends Object, V extends Object> implements Compar
private Object getValueByKey(Map<K, V> map, K key) {
if (key instanceof String) {
String keyStr = (String) key;
if (keyStr.matches(".+\\[[0-9]+\\]")) {
Object value = map.get(keyStr.substring(0, keyStr.indexOf("[")));
if (value == null) return null;
Integer index = StringUtils.subStringToInteger(keyStr, "[", "]");
if (value.getClass().isArray() && Array.getLength(value) >= index) {
return Array.get(value, index);
}
return null;
}
}
return map.get(key);
}
public int compare_0(Map<K, V> o1, Map<K, V> o2) {
private int compare_0(Map<K, V> o1, Map<K, V> o2) {
Object v1 = getValueByKey(o1, orderByKey);
Object v2 = getValueByKey(o2, orderByKey);