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java/org/apache/catalina/tribes/io/DirectByteArrayOutputStream.java

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+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.apache.catalina.tribes.io;
+
+import java.io.IOException;
+import java.io.OutputStream;
+
+/**
+ * Byte array output stream that exposes the byte array directly
+ *
+ * @version 1.0
+ */
+public class DirectByteArrayOutputStream extends OutputStream {
+
+    private final XByteBuffer buffer;
+
+    public DirectByteArrayOutputStream(int size) {
+        buffer = new XByteBuffer(size,false);
+    }
+
+    /**
+     * Writes the specified byte to this output stream.
+     *
+     * @param b the <code>byte</code>.
+     * @throws IOException if an I/O error occurs. In particular, an
+     *   <code>IOException</code> may be thrown if the output stream has
+     *   been closed.
+     */
+    @Override
+    public void write(int b) throws IOException {
+        buffer.append((byte)b);
+    }
+
+    public int size() {
+        return buffer.getLength();
+    }
+
+    public byte[] getArrayDirect() {
+        return buffer.getBytesDirect();
+    }
+
+    public byte[] getArray() {
+        return buffer.getBytes();
+    }
+
+
+}