X-Git-Url: https://git.argeo.org/?a=blobdiff_plain;f=org.argeo.slc.repo%2Fsrc%2Forg%2Feclipse%2Faether%2Fresolution%2FVersionRangeResolutionException.java;fp=org.argeo.slc.repo%2Fsrc%2Forg%2Feclipse%2Faether%2Fresolution%2FVersionRangeResolutionException.java;h=6e62e3ff985ff254d49e28fba0a922adac996d83;hb=825d60c5348dbe3f5be25b0bccf7bdebfe694219;hp=0000000000000000000000000000000000000000;hpb=5e991fff5cba01858dcc5747a27e637325bc5c8e;p=gpl%2Fargeo-jcr.git

diff --git a/org.argeo.slc.repo/src/org/eclipse/aether/resolution/VersionRangeResolutionException.java b/org.argeo.slc.repo/src/org/eclipse/aether/resolution/VersionRangeResolutionException.java
new file mode 100644
index 0000000..6e62e3f
--- /dev/null
+++ b/org.argeo.slc.repo/src/org/eclipse/aether/resolution/VersionRangeResolutionException.java
@@ -0,0 +1,96 @@
+/*******************************************************************************
+ * Copyright (c) 2010, 2014 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 org.eclipse.aether.RepositoryException;
+
+/**
+ * Thrown in case of an unparseable or unresolvable version range.
+ */
+public class VersionRangeResolutionException
+    extends RepositoryException
+{
+
+    private final transient VersionRangeResult result;
+
+    /**
+     * Creates a new exception with the specified result.
+     * 
+     * @param result The version range result at the point the exception occurred, may be {@code null}.
+     */
+    public VersionRangeResolutionException( VersionRangeResult result )
+    {
+        super( getMessage( result ), getCause( result ) );
+        this.result = result;
+    }
+
+    private static String getMessage( VersionRangeResult result )
+    {
+        StringBuilder buffer = new StringBuilder( 256 );
+        buffer.append( "Failed to resolve version range" );
+        if ( result != null )
+        {
+            buffer.append( " for " ).append( result.getRequest().getArtifact() );
+            if ( !result.getExceptions().isEmpty() )
+            {
+                buffer.append( ": " ).append( result.getExceptions().iterator().next().getMessage() );
+            }
+        }
+        return buffer.toString();
+    }
+
+    private static Throwable getCause( VersionRangeResult result )
+    {
+        Throwable cause = null;
+        if ( result != null && !result.getExceptions().isEmpty() )
+        {
+            cause = result.getExceptions().get( 0 );
+        }
+        return cause;
+    }
+
+    /**
+     * Creates a new exception with the specified result and detail message.
+     * 
+     * @param result The version range result at the point the exception occurred, may be {@code null}.
+     * @param message The detail message, may be {@code null}.
+     */
+    public VersionRangeResolutionException( VersionRangeResult result, String message )
+    {
+        super( message );
+        this.result = result;
+    }
+
+    /**
+     * Creates a new exception with the specified result, detail message and cause.
+     * 
+     * @param result The version range result at the point the exception occurred, may be {@code null}.
+     * @param message The detail message, may be {@code null}.
+     * @param cause The exception that caused this one, may be {@code null}.
+     */
+    public VersionRangeResolutionException( VersionRangeResult result, String message, Throwable cause )
+    {
+        super( message, cause );
+        this.result = result;
+    }
+
+    /**
+     * Gets the version range result at the point the exception occurred. Despite being incomplete, callers might want
+     * to use this result to fail gracefully and continue their operation with whatever interim data has been gathered.
+     * 
+     * @return The version range result or {@code null} if unknown.
+     */
+    public VersionRangeResult getResult()
+    {
+        return result;
+    }
+
+}