[jboss-svn-commits] JBoss Common SVN: r4344 - in shrinkwrap/trunk/impl-base/src: test/java/org/jboss/shrinkwrap/impl/base/asset and 1 other directory.

[jboss-svn-commits at lists.jboss.org]

Author: ALRubinger
Date: 2010-05-03 14:16:36 -0400 (Mon, 03 May 2010)
New Revision: 4344

Added:
   shrinkwrap/trunk/impl-base/src/main/java/org/jboss/shrinkwrap/impl/base/asset/EmptyAsset.java
   shrinkwrap/trunk/impl-base/src/test/java/org/jboss/shrinkwrap/impl/base/asset/EmptyAssetTestCase.java
Log:
[SHRINKWRAP-166] Add "EmptyAsset"

Added: shrinkwrap/trunk/impl-base/src/main/java/org/jboss/shrinkwrap/impl/base/asset/EmptyAsset.java
===================================================================
--- shrinkwrap/trunk/impl-base/src/main/java/org/jboss/shrinkwrap/impl/base/asset/EmptyAsset.java	                        (rev 0)
+++ shrinkwrap/trunk/impl-base/src/main/java/org/jboss/shrinkwrap/impl/base/asset/EmptyAsset.java	2010-05-03 18:16:36 UTC (rev 4344)
@@ -0,0 +1,40 @@
+package org.jboss.shrinkwrap.impl.base.asset;
+
+import java.io.ByteArrayInputStream;
+import java.io.InputStream;
+
+import org.jboss.shrinkwrap.api.Asset;
+
+/**
+ * Implementation of a {@link Asset} having empty content.
+ *
+ * @author <a href="mailto:dan.j.allen at gmail.com">Dan Allen</a>
+ * @version $Revision: $
+ */
+public enum EmptyAsset implements Asset {
+   INSTANCE;
+
+   //-------------------------------------------------------------------------------------||
+   // Required Implementations -----------------------------------------------------------||
+   //-------------------------------------------------------------------------------------||
+
+   /**
+    * @see org.jboss.shrinkwrap.api.Asset#openStream()
+    */
+   @Override
+   public InputStream openStream()
+   {
+      return new ByteArrayInputStream(new byte[0]);
+   }
+
+   /**
+    * {@inheritDoc}
+    * @see java.lang.Object#toString()
+    */
+   @Override
+   public String toString()
+   {
+      return "EmptyAsset";
+   }
+
+}
\ No newline at end of file

Added: shrinkwrap/trunk/impl-base/src/test/java/org/jboss/shrinkwrap/impl/base/asset/EmptyAssetTestCase.java
===================================================================
--- shrinkwrap/trunk/impl-base/src/test/java/org/jboss/shrinkwrap/impl/base/asset/EmptyAssetTestCase.java	                        (rev 0)
+++ shrinkwrap/trunk/impl-base/src/test/java/org/jboss/shrinkwrap/impl/base/asset/EmptyAssetTestCase.java	2010-05-03 18:16:36 UTC (rev 4344)
@@ -0,0 +1,77 @@
+/*
+ * JBoss, Home of Professional Open Source
+ * Copyright 2009, Red Hat Middleware LLC, and individual contributors
+ * by the @authors tag. See the copyright.txt in the distribution for a
+ * full listing of individual contributors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.jboss.shrinkwrap.impl.base.asset;
+
+import java.io.ByteArrayOutputStream;
+import java.io.InputStream;
+import java.util.logging.Logger;
+
+import junit.framework.Assert;
+
+import org.jboss.shrinkwrap.api.Asset;
+import org.junit.Test;
+
+/**
+ * Test Cases for the {@link EmptyAsset}
+ *
+ * @author <a href="mailto:dan.j.allen at gmail.com">Dan Allen</a>
+ * @version $Revision: $
+ */
+public class EmptyAssetTestCase
+{
+
+   //-------------------------------------------------------------------------------------||
+   // Class Members ----------------------------------------------------------------------||
+   //-------------------------------------------------------------------------------------||
+
+   /**
+    * Logger
+    */
+   private static final Logger log = Logger.getLogger(EmptyAssetTestCase.class.getName());
+
+   //-------------------------------------------------------------------------------------||
+   // Instance Members -------------------------------------------------------------------||
+   //-------------------------------------------------------------------------------------||
+
+   //-------------------------------------------------------------------------------------||
+   // Tests ------------------------------------------------------------------------------||
+   //-------------------------------------------------------------------------------------||
+
+   /**
+    * Ensures that the contents of the asset is empty.
+    */
+   @Test
+   public void testRoundtrip() throws Exception
+   {
+      // Log
+      log.info("testRoundtrip");
+
+      // Make Asset
+      final Asset asset = EmptyAsset.INSTANCE;
+
+      // Get the contents back out of the asset
+      final InputStream stream = asset.openStream();
+      final ByteArrayOutputStream out = new ByteArrayOutputStream(0);
+      int read;
+      while ((read = stream.read()) != -1)
+      {
+         out.write(read);
+      }
+
+      Assert.assertEquals("Roundtrip did not produce empty contents", 0, out.toByteArray().length);
+   }
+}