corrected formating issues and added headers

apis/cloudservers/src/main/java/org/jclouds/cloudservers/compute/predicates/GetImageWhenStatusActivePredicateWithResult.java

@@ -1,3 +1,21 @@
+/**
+ * Licensed to jclouds, Inc. (jclouds) under one or more
+ * contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  jclouds licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
 package org.jclouds.cloudservers.compute.predicates;
 
 import static com.google.common.base.Preconditions.checkNotNull;
@@ -17,6 +35,11 @@ import com.google.common.base.Function;
 import com.google.common.base.Predicate;
 import com.google.common.collect.Iterables;
 
+/**
+ * 
+ * @author David Alves
+ * 
+ */
 public final class GetImageWhenStatusActivePredicateWithResult implements PredicateWithResult<Integer, Image> {
 
    @Resource

apis/ec2/src/main/java/org/jclouds/ec2/compute/predicates/GetImageWhenStatusAvailablePredicateWithResult.java

@@ -1,3 +1,21 @@
+/**
+ * Licensed to jclouds, Inc. (jclouds) under one or more
+ * contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  jclouds licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
 package org.jclouds.ec2.compute.predicates;
 
 import static com.google.common.base.Preconditions.checkNotNull;
@@ -17,6 +35,11 @@ import org.jclouds.predicates.PredicateWithResult;
 
 import com.google.common.collect.Iterables;
 
+/**
+ * §
+ * @author David Alves
+ *
+ */
 public final class GetImageWhenStatusAvailablePredicateWithResult implements PredicateWithResult<String, Image> {
 
    @Resource

apis/openstack-nova/src/main/java/org/jclouds/openstack/nova/v1_1/compute/NovaImageExtension.java

@@ -49,6 +49,12 @@ import org.jclouds.predicates.Retryables;
 
 import com.google.common.util.concurrent.ListenableFuture;
 
+/**
+ * Nova implementation of {@link ImageExtension}
+ * 
+ * @author David Alves
+ *
+ */
 @Singleton
 public class NovaImageExtension implements ImageExtension {
 

core/src/main/java/org/jclouds/predicates/PredicateWithResult.java

@@ -22,10 +22,10 @@ import com.google.common.annotations.Beta;
 import com.google.common.base.Predicate;
 
 @Beta
-public interface PredicateWithResult<Input, Result> extends Predicate<Input> {
-
+public interface PredicateWithResult<Input,Result> extends Predicate<Input> {
+   
    Result getResult();
-
+   
    Throwable getLastFailure();
-
+   
 }

labs/virtualbox/src/main/java/org/jclouds/virtualbox/compute/VirtualBoxImageExtension.java

@@ -63,6 +63,12 @@ import com.google.common.collect.Iterables;
 import com.google.common.util.concurrent.Futures;
 import com.google.common.util.concurrent.ListenableFuture;
 
+/**
+ * Virtualbox implementation of {@link ImageExtension}
+ * 
+ * @author David Alves
+ * 
+ */
 @Singleton
 public class VirtualBoxImageExtension implements ImageExtension {