+/*******************************************************************************
+ * Copyright (c) 2010, 2011 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.util.Collections;
+import java.util.List;
+
+import org.eclipse.aether.RepositorySystemSession;
+import org.eclipse.aether.artifact.Artifact;
+
+/**
+ * A query to the local repository for the existence of an artifact.
+ *
+ * @see LocalRepositoryManager#find(RepositorySystemSession, LocalArtifactRequest)
+ */
+public final class LocalArtifactRequest
+{
+
+ private Artifact artifact;
+
+ private String context = "";
+
+ private List<RemoteRepository> repositories = Collections.emptyList();
+
+ /**
+ * Creates an uninitialized query.
+ */
+ public LocalArtifactRequest()
+ {
+ // enables default constructor
+ }
+
+ /**
+ * Creates a query with the specified properties.
+ *
+ * @param artifact The artifact to query for, may be {@code null}.
+ * @param repositories The remote repositories that should be considered as potential sources for the artifact, may
+ * be {@code null} or empty to only consider locally installed artifacts.
+ * @param context The resolution context for the artifact, may be {@code null}.
+ */
+ public LocalArtifactRequest( Artifact artifact, List<RemoteRepository> repositories, String context )
+ {
+ setArtifact( artifact );
+ setRepositories( repositories );
+ setContext( context );
+ }
+
+ /**
+ * Gets the artifact to query for.
+ *
+ * @return The artifact or {@code null} if not set.
+ */
+ public Artifact getArtifact()
+ {
+ return artifact;
+ }
+
+ /**
+ * Sets the artifact to query for.
+ *
+ * @param artifact The artifact, may be {@code null}.
+ * @return This query for chaining, never {@code null}.
+ */
+ public LocalArtifactRequest setArtifact( Artifact artifact )
+ {
+ this.artifact = artifact;
+ return this;
+ }
+
+ /**
+ * Gets the resolution context.
+ *
+ * @return The resolution context, never {@code null}.
+ */
+ public String getContext()
+ {
+ return context;
+ }
+
+ /**
+ * Sets the resolution context.
+ *
+ * @param context The resolution context, may be {@code null}.
+ * @return This query for chaining, never {@code null}.
+ */
+ public LocalArtifactRequest setContext( String context )
+ {
+ this.context = ( context != null ) ? context : "";
+ return this;
+ }
+
+ /**
+ * Gets the remote repositories to consider as sources of the artifact.
+ *
+ * @return The remote repositories, never {@code null}.
+ */
+ public List<RemoteRepository> getRepositories()
+ {
+ return repositories;
+ }
+
+ /**
+ * Sets the remote repositories to consider as sources of the artifact.
+ *
+ * @param repositories The remote repositories, may be {@code null} or empty to only consider locally installed
+ * artifacts.
+ * @return This query for chaining, never {@code null}.
+ */
+ public LocalArtifactRequest setRepositories( List<RemoteRepository> repositories )
+ {
+ if ( repositories != null )
+ {
+ this.repositories = repositories;
+ }
+ else
+ {
+ this.repositories = Collections.emptyList();
+ }
+ return this;
+ }
+
+ @Override
+ public String toString()
+ {
+ return getArtifact() + " @ " + getRepositories();
+ }
+
+}