--- /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.resolution;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.eclipse.aether.RepositorySystem;
+import org.eclipse.aether.RepositorySystemSession;
+import org.eclipse.aether.repository.ArtifactRepository;
+import org.eclipse.aether.version.Version;
+import org.eclipse.aether.version.VersionConstraint;
+
+/**
+ * The result of a version range resolution request.
+ *
+ * @see RepositorySystem#resolveVersionRange(RepositorySystemSession, VersionRangeRequest)
+ */
+public final class VersionRangeResult
+{
+
+ private final VersionRangeRequest request;
+
+ private List<Exception> exceptions;
+
+ private List<Version> versions;
+
+ private Map<Version, ArtifactRepository> repositories;
+
+ private VersionConstraint versionConstraint;
+
+ /**
+ * Creates a new result for the specified request.
+ *
+ * @param request The resolution request, must not be {@code null}.
+ */
+ public VersionRangeResult( VersionRangeRequest request )
+ {
+ if ( request == null )
+ {
+ throw new IllegalArgumentException( "version range request has not been specified" );
+ }
+ this.request = request;
+ exceptions = Collections.emptyList();
+ versions = Collections.emptyList();
+ repositories = Collections.emptyMap();
+ }
+
+ /**
+ * Gets the resolution request that was made.
+ *
+ * @return The resolution request, never {@code null}.
+ */
+ public VersionRangeRequest getRequest()
+ {
+ return request;
+ }
+
+ /**
+ * Gets the exceptions that occurred while resolving the version range.
+ *
+ * @return The exceptions that occurred, never {@code null}.
+ */
+ public List<Exception> getExceptions()
+ {
+ return exceptions;
+ }
+
+ /**
+ * Records the specified exception while resolving the version range.
+ *
+ * @param exception The exception to record, may be {@code null}.
+ * @return This result for chaining, never {@code null}.
+ */
+ public VersionRangeResult addException( Exception exception )
+ {
+ if ( exception != null )
+ {
+ if ( exceptions.isEmpty() )
+ {
+ exceptions = new ArrayList<Exception>();
+ }
+ exceptions.add( exception );
+ }
+ return this;
+ }
+
+ /**
+ * Gets the versions (in ascending order) that matched the requested range.
+ *
+ * @return The matching versions (if any), never {@code null}.
+ */
+ public List<Version> getVersions()
+ {
+ return versions;
+ }
+
+ /**
+ * Adds the specified version to the result. Note that versions must be added in ascending order.
+ *
+ * @param version The version to add, must not be {@code null}.
+ * @return This result for chaining, never {@code null}.
+ */
+ public VersionRangeResult addVersion( Version version )
+ {
+ if ( versions.isEmpty() )
+ {
+ versions = new ArrayList<Version>();
+ }
+ versions.add( version );
+ return this;
+ }
+
+ /**
+ * Sets the versions (in ascending order) matching the requested range.
+ *
+ * @param versions The matching versions, may be empty or {@code null} if none.
+ * @return This result for chaining, never {@code null}.
+ */
+ public VersionRangeResult setVersions( List<Version> versions )
+ {
+ if ( versions == null )
+ {
+ this.versions = Collections.emptyList();
+ }
+ else
+ {
+ this.versions = versions;
+ }
+ return this;
+ }
+
+ /**
+ * Gets the lowest version matching the requested range.
+ *
+ * @return The lowest matching version or {@code null} if no versions matched the requested range.
+ */
+ public Version getLowestVersion()
+ {
+ if ( versions.isEmpty() )
+ {
+ return null;
+ }
+ return versions.get( 0 );
+ }
+
+ /**
+ * Gets the highest version matching the requested range.
+ *
+ * @return The highest matching version or {@code null} if no versions matched the requested range.
+ */
+ public Version getHighestVersion()
+ {
+ if ( versions.isEmpty() )
+ {
+ return null;
+ }
+ return versions.get( versions.size() - 1 );
+ }
+
+ /**
+ * Gets the repository from which the specified version was resolved.
+ *
+ * @param version The version whose source repository should be retrieved, must not be {@code null}.
+ * @return The repository from which the version was resolved or {@code null} if unknown.
+ */
+ public ArtifactRepository getRepository( Version version )
+ {
+ return repositories.get( version );
+ }
+
+ /**
+ * Records the repository from which the specified version was resolved
+ *
+ * @param version The version whose source repository is to be recorded, must not be {@code null}.
+ * @param repository The repository from which the version was resolved, may be {@code null}.
+ * @return This result for chaining, never {@code null}.
+ */
+ public VersionRangeResult setRepository( Version version, ArtifactRepository repository )
+ {
+ if ( repository != null )
+ {
+ if ( repositories.isEmpty() )
+ {
+ repositories = new HashMap<Version, ArtifactRepository>();
+ }
+ repositories.put( version, repository );
+ }
+ return this;
+ }
+
+ /**
+ * Gets the version constraint that was parsed from the artifact's version string.
+ *
+ * @return The parsed version constraint or {@code null}.
+ */
+ public VersionConstraint getVersionConstraint()
+ {
+ return versionConstraint;
+ }
+
+ /**
+ * Sets the version constraint that was parsed from the artifact's version string.
+ *
+ * @param versionConstraint The parsed version constraint, may be {@code null}.
+ * @return This result for chaining, never {@code null}.
+ */
+ public VersionRangeResult setVersionConstraint( VersionConstraint versionConstraint )
+ {
+ this.versionConstraint = versionConstraint;
+ return this;
+ }
+
+ @Override
+ public String toString()
+ {
+ return String.valueOf( repositories );
+ }
+
+}
projects / gpl / argeo-jcr.git / blobdiff