X-Git-Url: https://git.argeo.org/?a=blobdiff_plain;f=org.argeo.slc.repo%2Fsrc%2Forg%2Feclipse%2Faether%2Fresolution%2FVersionRangeResult.java;fp=org.argeo.slc.repo%2Fsrc%2Forg%2Feclipse%2Faether%2Fresolution%2FVersionRangeResult.java;h=fd233f1b20200023b7ad68d98f69b00ca5aa4a5b;hb=825d60c5348dbe3f5be25b0bccf7bdebfe694219;hp=0000000000000000000000000000000000000000;hpb=5e991fff5cba01858dcc5747a27e637325bc5c8e;p=gpl%2Fargeo-jcr.git

diff --git a/org.argeo.slc.repo/src/org/eclipse/aether/resolution/VersionRangeResult.java b/org.argeo.slc.repo/src/org/eclipse/aether/resolution/VersionRangeResult.java
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index 0000000..fd233f1
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+/*******************************************************************************
+ * 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 );
+    }
+
+}