--- /dev/null
+/*******************************************************************************
+ * 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.resolution;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+import org.eclipse.aether.RepositorySystem;
+import org.eclipse.aether.RepositorySystemSession;
+import org.eclipse.aether.RequestTrace;
+import org.eclipse.aether.artifact.Artifact;
+import org.eclipse.aether.repository.RemoteRepository;
+
+/**
+ * A request to resolve a version range.
+ *
+ * @see RepositorySystem#resolveVersionRange(RepositorySystemSession, VersionRangeRequest)
+ */
+public final class VersionRangeRequest
+{
+
+ private Artifact artifact;
+
+ private List<RemoteRepository> repositories = Collections.emptyList();
+
+ private String context = "";
+
+ private RequestTrace trace;
+
+ /**
+ * Creates an uninitialized request.
+ */
+ public VersionRangeRequest()
+ {
+ // enables default constructor
+ }
+
+ /**
+ * Creates a request with the specified properties.
+ *
+ * @param artifact The artifact whose version range should be resolved, may be {@code null}.
+ * @param repositories The repositories to resolve the version from, may be {@code null}.
+ * @param context The context in which this request is made, may be {@code null}.
+ */
+ public VersionRangeRequest( Artifact artifact, List<RemoteRepository> repositories, String context )
+ {
+ setArtifact( artifact );
+ setRepositories( repositories );
+ setRequestContext( context );
+ }
+
+ /**
+ * Gets the artifact whose version range shall be resolved.
+ *
+ * @return The artifact or {@code null} if not set.
+ */
+ public Artifact getArtifact()
+ {
+ return artifact;
+ }
+
+ /**
+ * Sets the artifact whose version range shall be resolved.
+ *
+ * @param artifact The artifact, may be {@code null}.
+ * @return This request for chaining, never {@code null}.
+ */
+ public VersionRangeRequest setArtifact( Artifact artifact )
+ {
+ this.artifact = artifact;
+ return this;
+ }
+
+ /**
+ * Gets the repositories to resolve the version range from.
+ *
+ * @return The repositories, never {@code null}.
+ */
+ public List<RemoteRepository> getRepositories()
+ {
+ return repositories;
+ }
+
+ /**
+ * Sets the repositories to resolve the version range from.
+ *
+ * @param repositories The repositories, may be {@code null}.
+ * @return This request for chaining, never {@code null}.
+ */
+ public VersionRangeRequest setRepositories( List<RemoteRepository> repositories )
+ {
+ if ( repositories == null )
+ {
+ this.repositories = Collections.emptyList();
+ }
+ else
+ {
+ this.repositories = repositories;
+ }
+ return this;
+ }
+
+ /**
+ * Adds the specified repository for the resolution.
+ *
+ * @param repository The repository to add, may be {@code null}.
+ * @return This request for chaining, never {@code null}.
+ */
+ public VersionRangeRequest addRepository( RemoteRepository repository )
+ {
+ if ( repository != null )
+ {
+ if ( this.repositories.isEmpty() )
+ {
+ this.repositories = new ArrayList<RemoteRepository>();
+ }
+ this.repositories.add( repository );
+ }
+ return this;
+ }
+
+ /**
+ * Gets the context in which this request is made.
+ *
+ * @return The context, never {@code null}.
+ */
+ public String getRequestContext()
+ {
+ return context;
+ }
+
+ /**
+ * Sets the context in which this request is made.
+ *
+ * @param context The context, may be {@code null}.
+ * @return This request for chaining, never {@code null}.
+ */
+ public VersionRangeRequest setRequestContext( String context )
+ {
+ this.context = ( context != null ) ? context : "";
+ return this;
+ }
+
+ /**
+ * Gets the trace information that describes the higher level request/operation in which this request is issued.
+ *
+ * @return The trace information about the higher level operation or {@code null} if none.
+ */
+ public RequestTrace getTrace()
+ {
+ return trace;
+ }
+
+ /**
+ * Sets the trace information that describes the higher level request/operation in which this request is issued.
+ *
+ * @param trace The trace information about the higher level operation, may be {@code null}.
+ * @return This request for chaining, never {@code null}.
+ */
+ public VersionRangeRequest setTrace( RequestTrace trace )
+ {
+ this.trace = trace;
+ return this;
+ }
+
+ @Override
+ public String toString()
+ {
+ return getArtifact() + " < " + getRepositories();
+ }
+
+}