warnings in transaction module

git-svn-id: https://svn.apache.org/repos/asf/archiva/trunk@755305 13f79535-47bb-0310-9956-ffa450edef68

archiva-modules/archiva-base/archiva-transaction/src/main/java/org/apache/maven/archiva/transaction/AbstractTransactionEvent.java

@@ -40,28 +40,28 @@ import java.util.Map;
 public abstract class AbstractTransactionEvent
     implements TransactionEvent
 {
-    private Map backups = new HashMap();
+    private Map<File, File> backups = new HashMap<File, File>();
 
-    private List createdDirs = new ArrayList();
+    private List<File> createdDirs = new ArrayList<File>();
 
-    private List createdFiles = new ArrayList();
+    private List<File> createdFiles = new ArrayList<File>();
 
     /**
      * {@link List}&lt;{@link Digester}>
      */
-    private List digesters;
+    private List<Digester> digesters;
 
     protected AbstractTransactionEvent()
     {
-        this( new ArrayList( 0 ) );
+        this( new ArrayList<Digester>( 0 ) );
     }
 
-    protected AbstractTransactionEvent( List digesters )
+    protected AbstractTransactionEvent( List<Digester> digesters )
     {
         this.digesters = digesters;
     }
 
-    protected List getDigesters()
+    protected List<Digester> getDigesters()
     {
         return digesters;
     }
@@ -75,7 +75,7 @@ public abstract class AbstractTransactionEvent
     protected void mkDirs( File dir )
         throws IOException
     {
-        List createDirs = new ArrayList();
+        List<File> createDirs = new ArrayList<File>();
 
         File parent = dir;
         while ( !parent.exists() || !parent.isDirectory() )
@@ -127,7 +127,7 @@ public abstract class AbstractTransactionEvent
     protected void revertFilesCreated()
         throws IOException
     {
-        Iterator it = createdFiles.iterator();
+        Iterator<File> it = createdFiles.iterator();
         while ( it.hasNext() )
         {
             File file = (File) it.next();
@@ -154,11 +154,9 @@ public abstract class AbstractTransactionEvent
     protected void restoreBackups()
         throws IOException
     {
-        Iterator it = backups.entrySet().iterator();
-        while ( it.hasNext() )
+        for ( Map.Entry<File, File> entry : backups.entrySet() )
         {
-            Map.Entry entry = (Map.Entry) it.next();
-            FileUtils.copyFile( (File) entry.getValue(), (File) entry.getKey() );
+            FileUtils.copyFile( entry.getValue(), entry.getKey() );
         }
     }
 
@@ -182,10 +180,8 @@ public abstract class AbstractTransactionEvent
     protected void createChecksums( File file, boolean force )
         throws IOException
     {
-        Iterator it = getDigesters().iterator();
-        while ( it.hasNext() )
+        for ( Digester digester : getDigesters() )
         {
-            Digester digester = (Digester) it.next();
             File checksumFile = new File( file.getAbsolutePath() + "." + getDigesterFileExtension( digester ) );
             if ( checksumFile.exists() )
             {

archiva-modules/archiva-base/archiva-transaction/src/main/java/org/apache/maven/archiva/transaction/CopyFileEvent.java

@@ -19,14 +19,13 @@ package org.apache.maven.archiva.transaction;
  * under the License.
  */
 
-import org.apache.commons.io.FileUtils;
-import org.codehaus.plexus.digest.Digester;
-
 import java.io.File;
 import java.io.IOException;
-import java.util.Iterator;
 import java.util.List;
 
+import org.apache.commons.io.FileUtils;
+import org.codehaus.plexus.digest.Digester;
+
 /**
  * Event to copy a file.
  *
@@ -45,7 +44,7 @@ public class CopyFileEvent
      * @param destination
      * @param digesters {@link List}<{@link Digester}> digesters to use for checksumming 
      */
-    public CopyFileEvent( File source, File destination, List digesters )
+    public CopyFileEvent( File source, File destination, List<Digester> digesters )
     {
         super( digesters );
         this.source = source;
@@ -75,10 +74,8 @@ public class CopyFileEvent
     private void copyChecksums()
         throws IOException
     {
-        Iterator it = getDigesters().iterator();
-        while ( it.hasNext() )
+        for ( Digester digester : getDigesters() )
         {
-            Digester digester = (Digester) it.next();
             copyChecksum( getDigesterFileExtension( digester ) );
         }
     }

archiva-modules/archiva-base/archiva-transaction/src/main/java/org/apache/maven/archiva/transaction/CreateFileEvent.java

@@ -23,6 +23,8 @@ import java.io.File;
 import java.io.IOException;
 import java.util.List;
 
+import org.codehaus.plexus.digest.Digester;
+
 /**
  * Event for creating a file from a string content.
  *
@@ -41,7 +43,7 @@ public class CreateFileEvent
      * @param destination
      * @param digesters {@link List}<{@link Digester}> digesters to use for checksumming 
      */
-    public CreateFileEvent( String content, File destination, List digesters )
+    public CreateFileEvent( String content, File destination, List<Digester> digesters )
     {
         super( digesters );
         this.content = content;

archiva-modules/archiva-base/archiva-transaction/src/main/java/org/apache/maven/archiva/transaction/FileTransaction.java

@@ -22,26 +22,25 @@ package org.apache.maven.archiva.transaction;
 import java.io.File;
 import java.io.IOException;
 import java.util.ArrayList;
-import java.util.Iterator;
 import java.util.List;
 
+import org.codehaus.plexus.digest.Digester;
+
 /**
  * Implement commit/rollback semantics for a set of files.
  *
  */
 public class FileTransaction
 {
-    private List events = new ArrayList();
+    private List<AbstractTransactionEvent> events = new ArrayList<AbstractTransactionEvent>();
 
     public void commit()
         throws TransactionException
     {
-        List toRollback = new ArrayList( events.size() );
+        List<TransactionEvent> toRollback = new ArrayList<TransactionEvent>( events.size() );
 
-        for ( Iterator i = events.iterator(); i.hasNext(); )
+        for ( TransactionEvent event : events )
         {
-            TransactionEvent event = (TransactionEvent) i.next();
-
             try
             {
                 event.commit();
@@ -66,13 +65,11 @@ public class FileTransaction
         }
     }
 
-    private void rollback( List toRollback )
+    private void rollback( List<TransactionEvent> toRollback )
         throws IOException
     {
-        for ( Iterator i = toRollback.iterator(); i.hasNext(); )
+        for ( TransactionEvent event : toRollback )
         {
-            TransactionEvent event = (TransactionEvent) i.next();
-
             event.rollback();
         }
     }
@@ -82,7 +79,7 @@ public class FileTransaction
      * @param destination
      * @param digesters   {@link List}&lt;{@link org.codehaus.plexus.digest.Digester}> digesters to use for checksumming
      */
-    public void copyFile( File source, File destination, List digesters )
+    public void copyFile( File source, File destination, List<Digester> digesters )
     {
         events.add( new CopyFileEvent( source, destination, digesters ) );
     }
@@ -92,7 +89,7 @@ public class FileTransaction
      * @param destination
      * @param digesters   {@link List}&lt;{@link org.codehaus.plexus.digest.Digester}> digesters to use for checksumming
      */
-    public void createFile( String content, File destination, List digesters )
+    public void createFile( String content, File destination, List<Digester> digesters )
     {
         events.add( new CreateFileEvent( content, destination, digesters ) );
     }

archiva-modules/archiva-base/archiva-transaction/src/test/java/org/apache/maven/archiva/transaction/AbstractFileEventTest.java

@@ -35,8 +35,9 @@ import java.util.List;
 public abstract class AbstractFileEventTest
     extends PlexusInSpringTestCase
 {
-    protected List digesters;
+    protected List<Digester> digesters;
 
+    @SuppressWarnings("unchecked")
     public void setUp()
         throws Exception
     {