Java 5: foreach

core/src/main/java/hudson/ExtensionList.java

@@ -245,8 +245,7 @@ public class ExtensionList<T> extends AbstractList<T> implements OnMaster {
     }
 
     private <T> boolean removeComponent(Collection<ExtensionComponent<T>> collection, Object t) {
-        for (Iterator<ExtensionComponent<T>> itr = collection.iterator(); itr.hasNext();) {
-            ExtensionComponent<T> c =  itr.next();
+        for (ExtensionComponent<T> c : collection) {
             if (c.getInstance().equals(t)) {
                 return collection.remove(c);
             }

core/src/main/java/hudson/Util.java

@@ -1463,9 +1463,9 @@ public class Util {
     public static int permissionsToMode(Set<PosixFilePermission> permissions) {
         PosixFilePermission[] allPermissions = PosixFilePermission.values();
         int result = 0;
-        for (int i = 0; i < allPermissions.length; i++) {
+        for (PosixFilePermission allPermission : allPermissions) {
             result <<= 1;
-            result |= permissions.contains(allPermissions[i]) ? 1 : 0;
+            result |= permissions.contains(allPermission) ? 1 : 0;
         }
         return result;
     }

core/src/main/java/hudson/model/DependencyGraph.java

@@ -339,10 +339,9 @@ public class DependencyGraph implements Comparator<AbstractProject> {
             set = new ArrayList<DependencyGroup>();
             map.put(key,set);
         }
-        for (ListIterator<DependencyGroup> it = set.listIterator(); it.hasNext();) {
-            DependencyGroup d = it.next();
+        for (DependencyGroup d : set) {
             // Check for existing edge that connects the same two projects:
-            if (d.getUpstreamProject()==dep.getUpstreamProject() && d.getDownstreamProject()==dep.getDownstreamProject()) {
+            if (d.getUpstreamProject() == dep.getUpstreamProject() && d.getDownstreamProject() == dep.getDownstreamProject()) {
                 d.add(dep);
                 return;
             }

core/src/main/java/hudson/security/TokenBasedRememberMeServices2.java

@@ -189,9 +189,9 @@ public class TokenBasedRememberMeServices2 extends TokenBasedRememberMeServices
             return null;
         }
 
-        for (int i = 0; i < cookies.length; i++) {
-            if (ACEGI_SECURITY_HASHED_REMEMBER_ME_COOKIE_KEY.equals(cookies[i].getName())) {
-                return cookies[i].getValue();
+        for (Cookie cookie : cookies) {
+            if (ACEGI_SECURITY_HASHED_REMEMBER_ME_COOKIE_KEY.equals(cookie.getName())) {
+                return cookie.getValue();
             }
         }
 

core/src/main/java/hudson/tasks/Fingerprinter.java

@@ -154,8 +154,8 @@ public class Fingerprinter extends Recorder implements Serializable, DependencyD
             RunList builds = owner.getBuilds();
             Set<String> seenUpstreamProjects = new HashSet<String>();
 
-            for ( ListIterator iter = builds.listIterator(); iter.hasNext(); ) {
-                Run build = (Run) iter.next();
+            for (Object build1 : builds) {
+                Run build = (Run) build1;
                 for (FingerprintAction action : build.getActions(FingerprintAction.class)) {
                     for (AbstractProject key : action.getDependencies().keySet()) {
                         if (key == owner) {

core/src/main/java/hudson/util/MultipartFormDataParser.java

@@ -96,8 +96,8 @@ public class MultipartFormDataParser implements AutoCloseable {
             return false;
         }
 
-        for (int i = 0; i < parts.length; i++) {
-            if ("multipart/form-data".equals(parts[i])) {
+        for (String part : parts) {
+            if ("multipart/form-data".equals(part)) {
                 return true;
             }
         }

core/src/main/java/hudson/util/RobustReflectionConverter.java

@@ -212,8 +212,7 @@ public class RobustReflectionConverter implements Converter {
                     if (mapping != null) {
                         if (mapping.getItemFieldName() != null) {
                             Collection list = (Collection) newObj;
-                            for (Iterator iter = list.iterator(); iter.hasNext();) {
-                                Object obj = iter.next();
+                            for (Object obj : list) {
                                 writeField(fieldName, mapping.getItemFieldName(), mapping.getItemType(), definedIn, obj);
                             }
                         } else {

core/src/main/java/jenkins/org/apache/commons/validator/routines/RegexValidator.java

@@ -149,8 +149,8 @@ public class RegexValidator implements Serializable {
         if (value == null) {
             return false;
         }
-        for (int i = 0; i < patterns.length; i++) {
-            if (patterns[i].matcher(value).matches()) {
+        for (Pattern pattern : patterns) {
+            if (pattern.matcher(value).matches()) {
                 return true;
             }
         }
@@ -169,13 +169,13 @@ public class RegexValidator implements Serializable {
         if (value == null) {
             return null;
         }
-        for (int i = 0; i < patterns.length; i++) {
-            Matcher matcher = patterns[i].matcher(value);
+        for (Pattern pattern : patterns) {
+            Matcher matcher = pattern.matcher(value);
             if (matcher.matches()) {
                 int count = matcher.groupCount();
                 String[] groups = new String[count];
                 for (int j = 0; j < count; j++) {
-                    groups[j] = matcher.group(j+1);
+                    groups[j] = matcher.group(j + 1);
                 }
                 return groups;
             }
@@ -196,8 +196,8 @@ public class RegexValidator implements Serializable {
         if (value == null) {
             return null;
         }
-        for (int i = 0; i < patterns.length; i++) {
-            Matcher matcher = patterns[i].matcher(value);
+        for (Pattern pattern : patterns) {
+            Matcher matcher = pattern.matcher(value);
             if (matcher.matches()) {
                 int count = matcher.groupCount();
                 if (count == 1) {
@@ -205,7 +205,7 @@ public class RegexValidator implements Serializable {
                 }
                 StringBuilder buffer = new StringBuilder();
                 for (int j = 0; j < count; j++) {
-                    String component = matcher.group(j+1);
+                    String component = matcher.group(j + 1);
                     if (component != null) {
                         buffer.append(component);
                     }

core/src/main/java/jenkins/org/apache/commons/validator/routines/UrlValidator.java

@@ -284,8 +284,8 @@ public class UrlValidator implements Serializable {
                 schemes = DEFAULT_SCHEMES;
             }
             allowedSchemes = new HashSet<String>(schemes.length);
-            for(int i=0; i < schemes.length; i++) {
-                allowedSchemes.add(schemes[i].toLowerCase(Locale.ENGLISH));
+            for (String scheme : schemes) {
+                allowedSchemes.add(scheme.toLowerCase(Locale.ENGLISH));
             }
         }
         

core/src/main/java/jenkins/security/LastGrantedAuthoritiesProperty.java

@@ -56,10 +56,10 @@ public class LastGrantedAuthoritiesProperty extends UserProperty {
         List<GrantedAuthority> grantedAuthorities = new ArrayList<>(roles.length + 1);
         grantedAuthorities.add(new GrantedAuthorityImpl(authenticatedRole));
 
-        for (int i = 0; i < roles.length; i++){
+        for (String role : roles) {
             // to avoid having twice that role
-            if(!authenticatedRole.equals(roles[i])){
-                grantedAuthorities.add(new GrantedAuthorityImpl(roles[i]));
+            if (!authenticatedRole.equals(role)) {
+                grantedAuthorities.add(new GrantedAuthorityImpl(role));
             }
         }
 

core/src/main/java/jenkins/util/TreeString.java

@@ -124,8 +124,8 @@ public final class TreeString implements Serializable {
     public int hashCode() {
         int h = parent == null ? 0 : parent.hashCode();
 
-        for (int i = 0; i < label.length; i++) {
-            h = 31 * h + label[i];
+        for (char c : label) {
+            h = 31 * h + c;
         }
 
         assert toString().hashCode() == h;

core/src/main/java/jenkins/util/VirtualFile.java

@@ -191,8 +191,7 @@ public abstract class VirtualFile implements Comparable<VirtualFile>, Serializab
     public @Nonnull List<VirtualFile> listOnlyDescendants() throws IOException {
         VirtualFile[] children = list();
         List<VirtualFile> result = new ArrayList<>();
-        for (int i = 0; i < children.length; i++) {
-            VirtualFile child = children[i];
+        for (VirtualFile child : children) {
             if (child.isDescendant("")) {
                 result.add(child);
             }