1 files changed, 106 insertions, 0 deletions
diff --git a/qpid/java/amqp-1-0-common/src/main/java/org/apache/qpid/amqp_1_0/codec/IntegerWriter.java b/qpid/java/amqp-1-0-common/src/main/java/org/apache/qpid/amqp_1_0/codec/IntegerWriter.java
new file mode 100644
index 0000000000..91c3151494
--- /dev/null
+++ b/qpid/java/amqp-1-0-common/src/main/java/org/apache/qpid/amqp_1_0/codec/IntegerWriter.java
@@ -0,0 +1,106 @@
+/*
+ *
+ * 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.qpid.amqp_1_0.codec;
+
+import java.nio.ByteBuffer;
+
+public class IntegerWriter implements ValueWriter<Integer>
+{
+    private static final byte EIGHT_BYTE_FORMAT_CODE = (byte)0x71;
+    private static final byte ONE_BYTE_FORMAT_CODE = (byte) 0x54;
+
+    private ValueWriter<Integer> _delegate;
+
+    private final FixedFourWriter<Integer> _eightByteWriter = new FixedFourWriter<Integer>()
+    {
+
+        @Override
+        byte getFormatCode()
+        {
+            return EIGHT_BYTE_FORMAT_CODE;
+        }
+
+        @Override
+        int convertValueToInt(Integer value)
+        {
+            return value.intValue();
+        }
+    };
+
+    private final ValueWriter<Integer> _oneByteWriter = new FixedOneWriter<Integer>()
+    {
+
+        @Override protected byte getFormatCode()
+        {
+            return ONE_BYTE_FORMAT_CODE;
+        }
+
+        @Override protected byte convertToByte(final Integer value)
+        {
+            return value.byteValue();
+        }
+    };
+
+
+    public int writeToBuffer(final ByteBuffer buffer)
+    {
+        return _delegate.writeToBuffer(buffer);
+    }
+
+    public void setValue(final Integer i)
+    {
+        if(i >= -128 && i <= 127)
+        {
+            _delegate = _oneByteWriter;
+        }
+        else
+        {
+            _delegate = _eightByteWriter;
+        }
+        _delegate.setValue(i);
+    }
+
+    public boolean isComplete()
+    {
+        return _delegate.isComplete();
+    }
+
+    public boolean isCacheable()
+    {
+        return false;
+    }
+
+
+    private static Factory<Integer> FACTORY = new Factory<Integer>()
+                                            {
+
+                                                public ValueWriter<Integer> newInstance(Registry registry)
+                                                {
+                                                    return new IntegerWriter();
+                                                }
+                                            };
+
+    public static void register(ValueWriter.Registry registry)
+    {
+        registry.register(Integer.class, FACTORY);
+    }
+}
+\ No newline at end of file