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Diffstat (limited to 'qpid/java/management/agent/src/main/java/org/apache/qpid/agent/binding/ListBinding.java')
-rw-r--r--qpid/java/management/agent/src/main/java/org/apache/qpid/agent/binding/ListBinding.java130
1 files changed, 130 insertions, 0 deletions
diff --git a/qpid/java/management/agent/src/main/java/org/apache/qpid/agent/binding/ListBinding.java b/qpid/java/management/agent/src/main/java/org/apache/qpid/agent/binding/ListBinding.java
new file mode 100644
index 0000000000..0de8a07107
--- /dev/null
+++ b/qpid/java/management/agent/src/main/java/org/apache/qpid/agent/binding/ListBinding.java
@@ -0,0 +1,130 @@
+/*
+ *
+ * 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 java.nio.ByteBuffer;
+import java.util.List;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.apache.qpid.transport.codec.BBDecoder;
+import org.apache.qpid.transport.codec.BBEncoder;
+import org.apache.qpid.transport.codec.Decoder;
+import org.apache.qpid.transport.codec.Encoder;
+
+/**
+ * Binding information from a java list to a QMF schema.
+ */
+public class ListBinding implements TypeBinding
+{
+ private static Log log = LogFactory.getLog(ListBinding.class);
+ protected BindingContext bctx;
+ protected Class javaClass;
+
+ public ListBinding(BindingContext bctx, Class javaClass)
+ {
+ this.bctx = bctx;
+ this.javaClass = javaClass;
+ }
+
+ public void encode(Encoder enc, Object value)
+ {
+ List list = (List) value;
+ BBEncoder newEncoder = new BBEncoder(10);
+ if (list != null) {
+ newEncoder.writeUint32(list.size());
+ for (Object obj : list)
+ {
+ TypeBinding type = bctx.getTypeBinding(obj.getClass());
+ newEncoder.writeUint8(type.getCode());
+ type.encode(newEncoder, obj);
+ }
+ }
+ else {
+ newEncoder.writeUint32(0) ;
+ }
+ enc.writeVbin32(newEncoder.buffer().array());
+ }
+
+ public Object decode(Decoder dec)
+ {
+ List list = null;
+ try
+ {
+ list = (List) javaClass.newInstance();
+ } catch (Exception e)
+ {
+ throw new BindingException(
+ "Could not create a List implementation for "
+ + javaClass.getName(), e);
+ }
+ BBDecoder newDecoder = new BBDecoder();
+ newDecoder.init(ByteBuffer.wrap(dec.readVbin32()));
+ long count = newDecoder.readUint32();
+ while (count > 0)
+ {
+ short typeCode = newDecoder.readUint8();
+ TypeBinding type = QMFTypeBinding.getType(typeCode);
+ if (type == null)
+ {
+ type = bctx.getTypeBinding(Object.class);
+ }
+ list.add(type.decode(newDecoder));
+ count -= 1;
+ }
+ return list;
+ }
+
+ // QMF List Type
+ public short getCode()
+ {
+ return (short) 21;
+ }
+
+ @Override
+ public Class<?> getJavaClass()
+ {
+ return javaClass;
+ }
+
+ @Override
+ public String getRefClass()
+ {
+ return null;
+ }
+
+ @Override
+ public String getRefPackage()
+ {
+ return null;
+ }
+
+ @Override
+ public boolean isNative()
+ {
+ return true;
+ }
+
+ public boolean optionalDefault()
+ {
+ return false;
+ }
+}