o simple interface that will be used inside the resolver to allow artifacts to be filtered out from the result list.

git-svn-id: https://svn.apache.org/repos/asf/maven/components/trunk@163184 13f79535-47bb-0310-9956-ffa450edef68

maven-artifact/src/main/java/org/apache/maven/artifact/resolver/filter/ArtifactFilter.java

@@ -0,0 +1,26 @@
+package org.apache.maven.artifact.resolver.filter;
+
+/*
+ * Copyright 2001-2004 The Apache Software Foundation.
+ *
+ * Licensed 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.
+ */
+
+/**
+ * @author <a href="mailto:jason@maven.org">Jason van Zyl</a>
+ * @version $Id$
+ */
+public interface ArtifactFilter
+{
+    boolean include( String artifactId );
+}

maven-artifact/src/main/java/org/apache/maven/artifact/resolver/filter/ExclusionSetFilter.java

@@ -0,0 +1,51 @@
+package org.apache.maven.artifact.resolver.filter;
+
+/*
+ * Copyright 2001-2004 The Apache Software Foundation.
+ *
+ * Licensed 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 java.util.Arrays;
+import java.util.HashSet;
+import java.util.Set;
+
+/**
+ * @author <a href="mailto:jason@maven.org">Jason van Zyl</a>
+ * @version $Id$
+ */
+public class ExclusionSetFilter
+    implements ArtifactFilter
+{
+    private Set excludes;
+
+    public ExclusionSetFilter( String[] excludes )
+    {
+        this.excludes = new HashSet( Arrays.asList( excludes ) );
+    }
+
+    public ExclusionSetFilter( Set excludes )
+    {
+        this.excludes = excludes;
+    }
+
+    public boolean include( String artifactId )
+    {
+        if ( excludes.contains( artifactId ) )
+        {
+            return false;
+        }
+
+        return true;
+    }
+}