1 files changed, 118 insertions, 0 deletions
diff --git a/org.eclipse.m2e.core/src/org/eclipse/m2e/core/internal/index/CompositeIndex.java b/org.eclipse.m2e.core/src/org/eclipse/m2e/core/internal/index/CompositeIndex.java
new file mode 100644
index 00000000..1d934310
--- /dev/null
+++ b/org.eclipse.m2e.core/src/org/eclipse/m2e/core/internal/index/CompositeIndex.java
@@ -0,0 +1,118 @@
+/*******************************************************************************
+ * Copyright (c) 2008-2010 Sonatype, Inc.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *      Sonatype, Inc. - initial API and implementation
+ *******************************************************************************/
+
+package org.eclipse.m2e.core.internal.index;
+
+import java.io.File;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+import org.eclipse.core.runtime.CoreException;
+
+import org.eclipse.m2e.core.embedder.ArtifactKey;
+import org.eclipse.m2e.core.index.IIndex;
+import org.eclipse.m2e.core.index.IndexedArtifact;
+import org.eclipse.m2e.core.index.IndexedArtifactFile;
+import org.eclipse.m2e.core.index.SearchExpression;
+
+
+/**
+ * CompositeIndex
+ * 
+ * @author igor
+ */
+public class CompositeIndex implements IIndex {
+
+  private List<IIndex> indexes;
+
+  public CompositeIndex(List<IIndex> indexes) {
+    this.indexes = indexes;
+  }
+
+  public IndexedArtifactFile getIndexedArtifactFile(ArtifactKey artifact) throws CoreException {
+    for(IIndex index : indexes) {
+      IndexedArtifactFile aif = index.getIndexedArtifactFile(artifact);
+      if(aif != null) {
+        // first one wins
+        return aif;
+      }
+    }
+
+    // did not find anything
+    return null;
+  }
+
+  public IndexedArtifactFile identify(File file) throws CoreException {
+    for(IIndex index : indexes) {
+      IndexedArtifactFile aif = index.identify(file);
+      if(aif != null) {
+        // first one wins
+        return aif;
+      }
+    }
+
+    // did not find anything
+    return null;
+  }
+
+  public Collection<IndexedArtifact> find(SearchExpression groupId, SearchExpression artifactId,
+      SearchExpression version, SearchExpression packaging) throws CoreException {
+    Set<IndexedArtifact> result = new LinkedHashSet<IndexedArtifact>();
+    for(IIndex index : indexes) {
+      Collection<IndexedArtifact> findResults = index.find(groupId, artifactId, version, packaging);
+      if(findResults != null) {
+        result.addAll(findResults);
+      }
+    }
+    return result;
+  }
+
+  public Collection<IndexedArtifact> find(Collection<SearchExpression> groupId,
+      Collection<SearchExpression> artifactId, Collection<SearchExpression> version,
+      Collection<SearchExpression> packaging) throws CoreException {
+    Set<IndexedArtifact> result = new LinkedHashSet<IndexedArtifact>();
+    for(IIndex index : indexes) {
+      Collection<IndexedArtifact> findResults = index.find(groupId, artifactId, version, packaging);
+      if(findResults != null) {
+        result.addAll(findResults);
+      }
+    }
+    return result;
+  }
+
+  public Map<String, IndexedArtifact> search(SearchExpression term, String searchType) throws CoreException {
+    Map<String, IndexedArtifact> result = new HashMap<String, IndexedArtifact>();
+    for(IIndex index : indexes) {
+      Map<String, IndexedArtifact> iresult = index.search(term, searchType);
+      if(iresult != null) {
+        result.putAll(iresult);
+      }
+    }
+    return result;
+  }
+
+  public Map<String, IndexedArtifact> search(SearchExpression term, String searchType, int classifier)
+      throws CoreException {
+    Map<String, IndexedArtifact> result = new HashMap<String, IndexedArtifact>();
+    for(IIndex index : indexes) {
+      Map<String, IndexedArtifact> iresult = index.search(term, searchType, classifier);
+      if(iresult != null) {
+        result.putAll(iresult);
+      }
+    }
+    return result;
+  }
+
+}