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Generified StringUtils, and replaced StringBuffer usage with StringBuilder 

git-svn-id: https://src.springframework.org/svn/spring-framework/trunk@285 50f2f4bb-b051-0410-bef5-90022cba6387
This commit is contained in:
Arjen Poutsma 2008-11-08 10:06:48 +00:00
parent a5d3837e7a
commit 8adfea95f7
1 changed files with 15 additions and 14 deletions
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29
org.springframework.core/src/main/java/org/springframework/util/StringUtils.java
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@ -48,6 +48,7 @@ import java.util.TreeSet;
* @author Keith Donald
* @author Rob Harrop
* @author Rick Evans
* @author Arjen Poutsma
* @since 16 April 2001
* @see org.apache.commons.lang.StringUtils
*/
@ -598,7 +599,7 @@ public abstract class StringUtils {
}
String[] pathArray = delimitedListToStringArray(pathToUse, FOLDER_SEPARATOR);
List pathElements = new LinkedList();
List<String> pathElements = new LinkedList<String>();
int tops = 0;
for (int i = pathArray.length - 1; i >= 0; i--) {
@ -736,7 +737,7 @@ public abstract class StringUtils {
if (ObjectUtils.isEmpty(array2)) {
return array1;
}
List result = new ArrayList();
List<String> result = new ArrayList<String>();
result.addAll(Arrays.asList(array1));
for (int i = 0; i < array2.length; i++) {
String str = array2[i];
@ -767,11 +768,11 @@ public abstract class StringUtils {
* @return the String array (<code>null</code> if the passed-in
* Collection was <code>null</code>)
*/
public static String[] toStringArray(Collection collection) {
public static String[] toStringArray(Collection<String> collection) {
if (collection == null) {
return null;
}
return (String[]) collection.toArray(new String[collection.size()]);
return collection.toArray(new String[collection.size()]);
}
/**
@ -781,12 +782,12 @@ public abstract class StringUtils {
* @return the String array (<code>null</code> if the passed-in
* Enumeration was <code>null</code>)
*/
public static String[] toStringArray(Enumeration enumeration) {
public static String[] toStringArray(Enumeration<String> enumeration) {
if (enumeration == null) {
return null;
}
List list = Collections.list(enumeration);
return (String[]) list.toArray(new String[list.size()]);
List<String> list = Collections.list(enumeration);
return list.toArray(new String[list.size()]);
}
/**
@ -817,7 +818,7 @@ public abstract class StringUtils {
if (ObjectUtils.isEmpty(array)) {
return array;
}
Set set = new TreeSet();
Set<String> set = new TreeSet<String>();
for (int i = 0; i < array.length; i++) {
set.add(array[i]);
}
@ -941,7 +942,7 @@ public abstract class StringUtils {
return null;
}
StringTokenizer st = new StringTokenizer(str, delimiters);
List tokens = new ArrayList();
List<String> tokens = new ArrayList<String>();
while (st.hasMoreTokens()) {
String token = st.nextToken();
if (trimTokens) {
@ -989,7 +990,7 @@ public abstract class StringUtils {
if (delimiter == null) {
return new String[] {str};
}
List result = new ArrayList();
List<String> result = new ArrayList<String>();
if ("".equals(delimiter)) {
for (int i = 0; i < str.length(); i++) {
result.add(deleteAny(str.substring(i, i + 1), charsToDelete));
@ -1025,8 +1026,8 @@ public abstract class StringUtils {
* @param str the input String
* @return a Set of String entries in the list
*/
public static Set commaDelimitedListToSet(String str) {
Set set = new TreeSet();
public static Set<String> commaDelimitedListToSet(String str) {
Set<String> set = new TreeSet<String>();
String[] tokens = commaDelimitedListToStringArray(str);
for (int i = 0; i < tokens.length; i++) {
set.add(tokens[i]);
@ -1047,7 +1048,7 @@ public abstract class StringUtils {
if (CollectionUtils.isEmpty(coll)) {
return "";
}
StringBuffer sb = new StringBuffer();
StringBuilder sb = new StringBuilder();
Iterator it = coll.iterator();
while (it.hasNext()) {
sb.append(prefix).append(it.next()).append(suffix);
@ -1090,7 +1091,7 @@ public abstract class StringUtils {
if (ObjectUtils.isEmpty(arr)) {
return "";
}
StringBuffer sb = new StringBuffer();
StringBuilder sb = new StringBuilder();
for (int i = 0; i < arr.length; i++) {
if (i > 0) {
sb.append(delim);