Merge tag 'v2.3.20' into testing

[gpl/argeo-jcr.git] / org.argeo.slc.repo / src / org / eclipse / aether / version / VersionScheme.java

diff --git a/org.argeo.slc.repo/src/org/eclipse/aether/version/VersionScheme.java b/org.argeo.slc.repo/src/org/eclipse/aether/version/VersionScheme.java
new file mode 100644 (file)
index 0000000..c19177a
--- /dev/null
+++ b/org.argeo.slc.repo/src/org/eclipse/aether/version/VersionScheme.java
@@ -0,0 +1,50 @@
+/*******************************************************************************
+ * 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.version;
+
+/**
+ * A version scheme that handles interpretation of version strings to facilitate their comparison.
+ */
+public interface VersionScheme
+{
+
+    /**
+     * Parses the specified version string, for example "1.0".
+     * 
+     * @param version The version string to parse, must not be {@code null}.
+     * @return The parsed version, never {@code null}.
+     * @throws InvalidVersionSpecificationException If the string violates the syntax rules of this scheme.
+     */
+    Version parseVersion( String version )
+        throws InvalidVersionSpecificationException;
+
+    /**
+     * Parses the specified version range specification, for example "[1.0,2.0)".
+     * 
+     * @param range The range specification to parse, must not be {@code null}.
+     * @return The parsed version range, never {@code null}.
+     * @throws InvalidVersionSpecificationException If the range specification violates the syntax rules of this scheme.
+     */
+    VersionRange parseVersionRange( String range )
+        throws InvalidVersionSpecificationException;
+
+    /**
+     * Parses the specified version constraint specification, for example "1.0" or "[1.0,2.0),(2.0,)".
+     * 
+     * @param constraint The constraint specification to parse, must not be {@code null}.
+     * @return The parsed version constraint, never {@code null}.
+     * @throws InvalidVersionSpecificationException If the constraint specification violates the syntax rules of this
+     *             scheme.
+     */
+    VersionConstraint parseVersionConstraint( final String constraint )
+        throws InvalidVersionSpecificationException;
+
+}