[MRM-1282] improve exception handling

git-svn-id: https://svn.apache.org/repos/asf/archiva/branches/MRM-1025@884066 13f79535-47bb-0310-9956-ffa450edef68

3 files changed, 33 insertions, 2 deletions

diff --git a/archiva-modules/metadata/metadata-repository-api/src/main/java/org/apache/archiva/metadata/repository/DefaultMetadataResolver.java b/archiva-modules/metadata/metadata-repository-api/src/main/java/org/apache/archiva/metadata/repository/DefaultMetadataResolver.java
index 0fb3cbabb..e058ca22d 100644
--- a/archiva-modules/metadata/metadata-repository-api/src/main/java/org/apache/archiva/metadata/repository/DefaultMetadataResolver.java
+++ b/archiva-modules/metadata/metadata-repository-api/src/main/java/org/apache/archiva/metadata/repository/DefaultMetadataResolver.java
@@ -49,6 +49,7 @@ public class DefaultMetadataResolver
     }
 
     public ProjectVersionMetadata getProjectVersion( String repoId, String namespace, String projectId, String projectVersion )
+        throws MetadataResolverException
     {
         ProjectVersionMetadata metadata = metadataRepository.getProjectVersion( repoId, namespace, projectId, projectVersion );
         // TODO: do we want to detect changes as well by comparing timestamps? isProjectVersionNewerThan(updated)
diff --git a/archiva-modules/metadata/metadata-repository-api/src/main/java/org/apache/archiva/metadata/repository/MetadataResolver.java b/archiva-modules/metadata/metadata-repository-api/src/main/java/org/apache/archiva/metadata/repository/MetadataResolver.java
index 7050b0552..7e6aaef7d 100644
--- a/archiva-modules/metadata/metadata-repository-api/src/main/java/org/apache/archiva/metadata/repository/MetadataResolver.java
+++ b/archiva-modules/metadata/metadata-repository-api/src/main/java/org/apache/archiva/metadata/repository/MetadataResolver.java
@@ -21,14 +21,15 @@ package org.apache.archiva.metadata.repository;
 
 import java.util.Collection;
 
-import org.apache.archiva.metadata.model.ProjectVersionMetadata;
 import org.apache.archiva.metadata.model.ProjectMetadata;
+import org.apache.archiva.metadata.model.ProjectVersionMetadata;
 
 public interface MetadataResolver
 {
     ProjectMetadata getProject( String repoId, String namespace, String projectId );
 
-    ProjectVersionMetadata getProjectVersion( String repoId, String namespace, String projectId, String projectVersion );
+    ProjectVersionMetadata getProjectVersion( String repoId, String namespace, String projectId, String projectVersion )
+        throws MetadataResolverException;
 
     Collection<String> getArtifactVersions( String repoId, String namespace, String projectId, String projectVersion );
 }
diff --git a/archiva-modules/metadata/metadata-repository-api/src/main/java/org/apache/archiva/metadata/repository/MetadataResolverException.java b/archiva-modules/metadata/metadata-repository-api/src/main/java/org/apache/archiva/metadata/repository/MetadataResolverException.java
new file mode 100644
index 000000000..c62a2577f
--- /dev/null
+++ b/archiva-modules/metadata/metadata-repository-api/src/main/java/org/apache/archiva/metadata/repository/MetadataResolverException.java
@@ -0,0 +1,29 @@
+package org.apache.archiva.metadata.repository;
+
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF 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.
+ */
+
+public class MetadataResolverException
+    extends Exception
+{
+    public MetadataResolverException( String message, Exception cause )
+    {
+        super( message, cause );
+    }
+}