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Diffstat (limited to 'qpid/java/management/agent/src/main/java/org/apache/qpid/agent/binding/EnumBinding.java')
-rw-r--r--qpid/java/management/agent/src/main/java/org/apache/qpid/agent/binding/EnumBinding.java108
1 files changed, 108 insertions, 0 deletions
diff --git a/qpid/java/management/agent/src/main/java/org/apache/qpid/agent/binding/EnumBinding.java b/qpid/java/management/agent/src/main/java/org/apache/qpid/agent/binding/EnumBinding.java
new file mode 100644
index 0000000000..dcb619b736
--- /dev/null
+++ b/qpid/java/management/agent/src/main/java/org/apache/qpid/agent/binding/EnumBinding.java
@@ -0,0 +1,108 @@
+/*
+ *
+ * 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.agent.binding;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.apache.qpid.transport.codec.Decoder;
+import org.apache.qpid.transport.codec.Encoder;
+
+/**
+ * Binding information from a java enum to a QMF schema
+ */
+public class EnumBinding extends ClassBinding
+{
+ private static Log log = LogFactory.getLog(EnumBinding.class);
+
+ public EnumBinding(String pkg, String name, Class cls,
+ boolean exposeBehaviour, BindingContext bctx)
+ {
+ super(pkg, name, cls, exposeBehaviour, bctx);
+ }
+
+ @Override
+ public void encode(Encoder enc)
+ {
+ enc.writeUint8((short) 1); // kind
+ enc.writeStr8(pkg);
+ enc.writeStr8(name);
+ enc.writeBin128(new byte[16]); // schema hash
+ // FIXME Is there a way to send the valid types?
+ }
+
+ @Override
+ public void encode(Encoder enc, Object value)
+ {
+ if (value != null)
+ {
+ enc.writeStr16(value.toString());
+ } else
+ {
+ enc.writeStr16("");
+ }
+ }
+
+ @Override
+ public Object decode(Decoder dec)
+ {
+ // FIXME This only works with POJOs
+ Object instance = null;
+ String value = null;
+ try
+ {
+ value = dec.readStr16();
+ if ((value != null) && (!value.isEmpty()))
+ {
+ instance = Enum.valueOf((Class<Enum>) this.getJavaClass(),
+ value);
+ }
+ } catch (Exception e)
+ {
+ log.error(String.format(
+ "Could not create an enum of type %s with value %s",
+ this.javaClass.getName(), value));
+ throw new BindingException(e);
+ }
+ return instance;
+ }
+
+ // Make this look like a String
+ @Override
+ public short getCode()
+ {
+ return (short) 7;
+ }
+
+ @Override
+ public EnumBinding parse()
+ {
+ log.debug(String.format(
+ "Parsing enum binding '%s' for package '%s' from class %s",
+ name, pkg, javaClass.getName()));
+ return this;
+ }
+
+ @Override
+ public boolean optionalDefault()
+ {
+ return false;
+ }
+}