mirrors/cdt
1
0
Fork 0
mirror of https://github.com/eclipse-cdt/cdt synced 2025-06-09 10:46:02 +02:00
Code Issues Wiki Activity

Cosmetics.

Browse source
This commit is contained in:
Sergey Prigogin 2010-02-07 00:32:59 +00:00
parent a994a84977
commit 7941b24080
1 changed files with 9 additions and 15 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

24
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/parser/util/CollectionUtils.java
View file

@ -14,7 +14,6 @@ import java.util.Iterator;
import java.util.List;
import java.util.ListIterator;
/**
* Useful utility methods for dealing with Collections.
*
@ -25,8 +24,7 @@ public final class CollectionUtils {
private CollectionUtils() {
// this class has just static utility methods
}
/**
* Returns an iterator that iterates backwards over the given list.
* The remove() method is not implemented and will throw UnsupportedOperationException.
@ -49,13 +47,12 @@ public final class CollectionUtils {
}
};
}
/**
* Allows a foreach loop to iterate backwards over a list
* from the end to the start.
*
* eg)
* e.g.
* for(Object o : reverseIterable(list)) { ... }
*
* @throws NullPointerException if list is null
@ -63,15 +60,14 @@ public final class CollectionUtils {
public static <T> Iterable<T> reverseIterable(final List<T> list) {
return iterable(reverseIterator(list));
}
/**
* Creates an Iterable instance that just returns
* the given Iterator from its iterator() method.
*
* This is useful for using an iterator in a foreach loop directly.
*
* eg)
* e.g.
*
* for(Object o : iterable(list.listIterator())) {
* // do something
@ -80,7 +76,7 @@ public final class CollectionUtils {
* @throws NullPointerException if list is null
*/
public static <T> Iterable<T> iterable(final Iterator<T> iter) {
if(iter == null)
if (iter == null)
throw new NullPointerException("iter parameter is null"); //$NON-NLS-1$
return new Iterable<T>() {
@ -89,9 +85,7 @@ public final class CollectionUtils {
}
};
}
/**
* Finds the first object in the heterogeneous list that is an instance of
* the given class, removes it from the list, and returns it.
@ -103,9 +97,9 @@ public final class CollectionUtils {
*/
@SuppressWarnings("unchecked")
public static <T> T findFirstAndRemove(List<?> list, Class<T> clazz) {
for(Iterator<?> iter = list.iterator(); iter.hasNext();) {
for (Iterator<?> iter = list.iterator(); iter.hasNext();) {
Object o = iter.next();
if(clazz.isInstance(o)) {
if (clazz.isInstance(o)) {
iter.remove();
return (T) o; // safe
}