Merge pull request #184 from glyptodon/byte-resource

GUAC-587: Implement byte array resource.

guacamole/src/main/java/org/glyptodon/guacamole/net/basic/resource/ByteArrayResource.java

@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2015 Glyptodon LLC
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package org.glyptodon.guacamole.net.basic.resource;
+
+import java.io.ByteArrayInputStream;
+import java.io.InputStream;
+
+/**
+ * A resource which contains a defined byte array.
+ *
+ * @author Michael Jumper
+ */
+public class ByteArrayResource extends AbstractResource {
+
+    /**
+     * The bytes contained by this resource.
+     */
+    private final byte[] bytes;
+
+    /**
+     * Creates a new ByteArrayResource which provides access to the given byte
+     * array. Changes to the given byte array will affect this resource even
+     * after the resource is created. Changing the byte array while an input
+     * stream from this resource is in use has undefined behavior.
+     *
+     * @param mimetype
+     *     The mimetype of the resource.
+     *
+     * @param bytes
+     *     The bytes that this resource should contain.
+     */
+    public ByteArrayResource(String mimetype, byte[] bytes) {
+        super(mimetype);
+        this.bytes = bytes;
+    }
+
+    @Override
+    public InputStream asStream() {
+        return new ByteArrayInputStream(bytes);
+    }
+
+}