1 files changed, 122 insertions, 0 deletions
diff --git a/framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/artifact/resolver/filter/CumulativeScopeArtifactFilter.java b/framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/artifact/resolver/filter/CumulativeScopeArtifactFilter.java
new file mode 100644
index 00000000..fb0afcfb
--- /dev/null
+++ b/framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/artifact/resolver/filter/CumulativeScopeArtifactFilter.java
@@ -0,0 +1,122 @@
+package org.apache.maven.artifact.resolver.filter;
+
+/*
+ * 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 java.util.Collection;
+import java.util.HashSet;
+import java.util.Set;
+
+/**
+ * Filter to only retain objects in the given scope or better. This implementation allows the accumulation of multiple
+ * scopes and their associated implied scopes, so that the user can filter apply a series of implication rules in a
+ * single step. This should be a more efficient implementation of multiple standard {@link ScopeArtifactFilter}
+ * instances ORed together.
+ *
+ * @author <a href="mailto:brett@apache.org">Brett Porter</a>
+ * @author jdcasey
+ */
+public class CumulativeScopeArtifactFilter
+    extends AbstractScopeArtifactFilter
+{
+
+    private Set<String> scopes;
+
+    /**
+     * Create a new filter with the specified scopes and their implied scopes enabled.
+     *
+     * @param scopes The scopes to enable, along with all implied scopes, may be {@code null}.
+     */
+    public CumulativeScopeArtifactFilter( Collection<String> scopes )
+    {
+        this.scopes = new HashSet<String>();
+
+        addScopes( scopes );
+    }
+
+    /**
+     * Creates a new filter that combines the specified filters.
+     *
+     * @param filters The filters to combine, may be {@code null}.
+     */
+    public CumulativeScopeArtifactFilter( CumulativeScopeArtifactFilter... filters )
+    {
+        this.scopes = new HashSet<String>();
+
+        if ( filters != null )
+        {
+            for ( CumulativeScopeArtifactFilter filter : filters )
+            {
+                addScopes( filter.getScopes() );
+            }
+        }
+    }
+
+    private void addScopes( Collection<String> scopes )
+    {
+        if ( scopes != null )
+        {
+            for ( String scope : scopes )
+            {
+                addScope( scope );
+            }
+        }
+    }
+
+    private void addScope( String scope )
+    {
+        this.scopes.add( scope );
+
+        addScopeInternal( scope );
+    }
+
+    public Set<String> getScopes()
+    {
+        return scopes;
+    }
+
+    @Override
+    public int hashCode()
+    {
+        int hash = 17;
+
+        hash = hash * 31 + scopes.hashCode();
+
+        return hash;
+    }
+
+    @Override
+    public boolean equals( Object obj )
+    {
+        if ( this == obj )
+        {
+            return true;
+        }
+
+        if ( !( obj instanceof CumulativeScopeArtifactFilter ) )
+        {
+            return false;
+        }
+
+        CumulativeScopeArtifactFilter that = (CumulativeScopeArtifactFilter) obj;
+
+        return scopes.equals( that.scopes );
+    }
+
+}