1 files changed, 44 insertions, 0 deletions
diff --git a/simple/simple-http/src/main/java/org/simpleframework/http/message/EmptyInputStream.java b/simple/simple-http/src/main/java/org/simpleframework/http/message/EmptyInputStream.java
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+++ b/simple/simple-http/src/main/java/org/simpleframework/http/message/EmptyInputStream.java
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+/*
+ * EmptyInputStream.java October 2002
+ *
+ * Copyright (C) 2002, Niall Gallagher <niallg@users.sf.net>
+ *
+ * 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.simpleframework.http.message;
+
+import java.io.InputStream;
+
+/**
+ * The <code>EmptyInputStream</code> object provides a stream that 
+ * is immediately empty. Each read method with this input stream 
+ * will return a -1 value indicating that the stream has come to an
+ * end and no more data can be read from it.
+ * 
+ * @author Niall Gallagher
+ */
+class EmptyInputStream extends InputStream {
+   
+   /**
+    * This is used to provide a -1 value when an attempt is made to
+    * read from the stream. Implementing this method as so also 
+    * ensures that all the other read methods return a -1 value.
+    * 
+    * @return this returns a -1 when an attempt is made to read
+    */
+   public int read() {
+      return -1;
+   }
+
+}