add autocomplete endpoint

scm-core/src/main/java/sonia/scm/GenericDAO.java

@@ -114,4 +114,13 @@ public interface GenericDAO<T>
    * @return all items
    */
   public Collection<T> getAll();
+
+  /**
+   * Returns items containing the searched string
+   *
+   * @param searched the search character
+   * @param limit the max count of the result entities. if limit is <= 0 return all filtered entities
+   * @return searched items
+   */
+  Collection<T> getFiltered(String searched, int limit);
 }

scm-core/src/main/java/sonia/scm/Manager.java

@@ -77,6 +77,15 @@ public interface Manager<T extends ModelObject>
    */
   Collection<T> getAll();
 
+  /**
+   * Returns a {@link java.util.Collection} of filtered objects
+   *
+   * @param filter the searched string
+   * @param limit the max count of the result entities. if limit is <= 0 return all filtered entities
+   * @return all object in the store
+   */
+  Collection<T> getFiltered(String filter, int limit);
+
   /**
    * Returns all object of the store sorted by the given {@link java.util.Comparator}
    *

scm-core/src/main/java/sonia/scm/ManagerDecorator.java

@@ -91,6 +91,11 @@ public class ManagerDecorator<T extends ModelObject> implements Manager<T> {
     decorated.refresh(object);
   }
 
+  @Override
+  public Collection<T> getFiltered(String filter, int limit) {
+    return decorated.getFiltered(filter, limit);
+  }
+
   @Override
   public T get(String id)
   {

scm-core/src/main/java/sonia/scm/ModelObject.java

@@ -44,7 +44,7 @@ import java.io.Serializable;
  */
 public interface ModelObject
         extends TypedObject, LastModifiedAware, Cloneable, Validateable,
-                Serializable
+                Serializable, ReducedModelObject
 {
 
   /**

scm-core/src/main/java/sonia/scm/ReducedModelObject.java

@@ -0,0 +1,15 @@
+package sonia.scm;
+
+
+/**
+ * This is a reduced form of a model object.
+ * It can be used as search result to avoid returning the whole object properties.
+ *
+ * @author Mohamed Karray
+ */
+public interface ReducedModelObject {
+
+  String getId();
+
+  String getDisplayName();
+}

scm-core/src/main/java/sonia/scm/group/Group.java

@@ -55,12 +55,12 @@ import java.util.List;
 
 /**
  * Organizes users into a group for easier permissions management.
- * 
+ *
  * TODO for 2.0: Use a set instead of a list for members
  *
  * @author Sebastian Sdorra
  */
-@StaticPermissions(value = "group", globalPermissions = {"create", "list"})
+@StaticPermissions(value = "group", globalPermissions = {"create", "list", "autocomplete"})
 @XmlRootElement(name = "groups")
 @XmlAccessorType(XmlAccessType.FIELD)
 public class Group extends BasicPropertiesAware
@@ -309,6 +309,11 @@ public class Group extends BasicPropertiesAware
     return name;
   }
 
+  @Override
+  public String getDisplayName() {
+    return description;
+  }
+
   /**
    * Returns a timestamp of the last modified date of this group.
    *

scm-core/src/main/java/sonia/scm/repository/Changeset.java

@@ -256,6 +256,11 @@ public class Changeset extends BasicPropertiesAware implements ModelObject {
     return id;
   }
 
+  @Override
+  public String getDisplayName() {
+    return id;
+  }
+
   @Override
   public void setLastModified(Long timestamp) {
     throw new UnsupportedOperationException("changesets are immutable");

scm-core/src/main/java/sonia/scm/repository/Repository.java

@@ -60,11 +60,12 @@ import java.util.List;
  */
 @StaticPermissions(
   value = "repository",
-  permissions = {"read", "modify", "delete", "healthCheck", "pull", "push", "permissionRead", "permissionWrite"}
+  permissions = {"read", "modify", "delete", "healthCheck", "pull", "push", "permissionRead", "permissionWrite"},
+  globalPermissions = {"create", "autocomplete"}
 )
 @XmlAccessorType(XmlAccessType.FIELD)
 @XmlRootElement(name = "repositories")
-public class Repository extends BasicPropertiesAware implements ModelObject, PermissionObject {
+public class Repository extends BasicPropertiesAware implements ModelObject, PermissionObject{
 
 
   private static final long serialVersionUID = 3486560714961909711L;
@@ -183,6 +184,11 @@ public class Repository extends BasicPropertiesAware implements ModelObject, Per
     return id;
   }
 
+  @Override
+  public String getDisplayName() {
+    return getNamespaceAndName().toString();
+  }
+
   @Override
   public Long getLastModified() {
     return lastModified;

scm-core/src/main/java/sonia/scm/user/User.java

@@ -55,7 +55,7 @@ import java.security.Principal;
  *
  * @author Sebastian Sdorra
  */
-@StaticPermissions(value = "user", globalPermissions = {"create", "list"})
+@StaticPermissions(value = "user", globalPermissions = {"create", "list", "autocomplete"})
 @XmlRootElement(name = "users")
 @XmlAccessorType(XmlAccessType.FIELD)
 public class User extends BasicPropertiesAware implements Principal, ModelObject, PermissionObject

scm-core/src/main/java/sonia/scm/web/VndMediaType.java

@@ -18,6 +18,7 @@ public class VndMediaType {
   public static final String INDEX = PREFIX + "index" + SUFFIX;
   public static final String USER = PREFIX + "user" + SUFFIX;
   public static final String GROUP = PREFIX + "group" + SUFFIX;
+  public static final String AUTOCOMPLETE =  PREFIX + "autocomplete" + SUFFIX;
   public static final String REPOSITORY = PREFIX + "repository" + SUFFIX;
   public static final String PERMISSION = PREFIX + "permission" + SUFFIX;
   public static final String CHANGESET = PREFIX + "changeset" + SUFFIX;

scm-core/src/test/java/sonia/scm/ManagerTest.java

@@ -78,6 +78,11 @@ public class ManagerTest {
       return IntStream.range(0, givenItemCount).boxed().collect(toList());
     }
 
+    @Override
+    public Collection getFiltered(String filter, int limit) {
+      return null;
+    }
+
     @Override
     public Collection getAll(Comparator comparator) { return getAll(); }