--- /dev/null
+/*******************************************************************************
+ * Copyright (c) 2010, 2012 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.aether.repository;
+
+import java.io.File;
+import java.util.List;
+
+import org.eclipse.aether.artifact.Artifact;
+
+/**
+ * Manages a repository backed by the IDE workspace, a build session or a similar ad-hoc collection of artifacts.
+ *
+ * @see org.eclipse.aether.RepositorySystemSession#getWorkspaceReader()
+ */
+public interface WorkspaceReader
+{
+
+ /**
+ * Gets a description of the workspace repository.
+ *
+ * @return The repository description, never {@code null}.
+ */
+ WorkspaceRepository getRepository();
+
+ /**
+ * Locates the specified artifact.
+ *
+ * @param artifact The artifact to locate, must not be {@code null}.
+ * @return The path to the artifact or {@code null} if the artifact is not available.
+ */
+ File findArtifact( Artifact artifact );
+
+ /**
+ * Determines all available versions of the specified artifact.
+ *
+ * @param artifact The artifact whose versions should be listed, must not be {@code null}.
+ * @return The available versions of the artifact, must not be {@code null}.
+ */
+ List<String> findVersions( Artifact artifact );
+
+}