--- /dev/null
+package org.apache.archiva.rest.services.searchfilter;
+/*
+ * 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.
+ */
+
+import org.apache.archiva.rest.api.model.Artifact;
+
+import java.util.List;
+
+/**
+ * @author Olivier Lamy
+ * @since 1.4
+ */
+public interface ArtifactFiler
+{
+ boolean addArtifactInResult( Artifact artifact, List<Artifact> currentResult );
+}
--- /dev/null
+package org.apache.archiva.rest.services.searchfilter;
+/*
+ * 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.
+ */
+
+import com.sun.org.apache.bcel.internal.generic.INSTANCEOF;
+import org.apache.archiva.rest.api.model.Artifact;
+import org.apache.commons.lang.StringUtils;
+
+import java.util.Arrays;
+import java.util.List;
+
+/**
+ * @author Olivier Lamy
+ */
+public class NoClassifierArtifactFiler
+ implements ArtifactFiler
+{
+ public static final NoClassifierArtifactFiler INSTANCE = new NoClassifierArtifactFiler();
+
+ public static final List<? extends ArtifactFiler> LIST = Arrays.asList( INSTANCE );
+
+ public boolean addArtifactInResult( Artifact artifact, List<Artifact> currentResult )
+ {
+ return StringUtils.isBlank( artifact.getClassifier() );
+ }
+}