1 files changed, 251 insertions, 0 deletions
diff --git a/sandbox/event/modules/implementation-data-xml/src/main/java/org/apache/tuscany/sca/implementation/data/jdbc/ResultSetXmlNodeImpl.java b/sandbox/event/modules/implementation-data-xml/src/main/java/org/apache/tuscany/sca/implementation/data/jdbc/ResultSetXmlNodeImpl.java
new file mode 100644
index 0000000000..576fe5605d
--- /dev/null
+++ b/sandbox/event/modules/implementation-data-xml/src/main/java/org/apache/tuscany/sca/implementation/data/jdbc/ResultSetXmlNodeImpl.java
@@ -0,0 +1,251 @@
+/*
+ * 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.tuscany.sca.implementation.data.jdbc;
+
+import java.sql.ResultSet;
+import java.sql.ResultSetMetaData;
+import java.sql.SQLException;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+
+import javax.xml.namespace.QName;
+
+import org.apache.tuscany.sca.databinding.xml.SimpleXmlNodeImpl;
+import org.apache.tuscany.sca.databinding.xml.XmlNode;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class ResultSetXmlNodeImpl implements XmlNode {
+    private static final String NS = "";
+    private static final QName RESULT_SET = new QName(NS, "resultSet");
+    private static final QName RECORD = new QName(NS, "record");
+    private static final QName COLUMN = new QName(NS, "column");
+    private static final QName NAME = new QName(NS, "name");
+
+    private ResultSet resultSet;
+    private String[] columnNames;
+
+    /**
+     * @param resultSet
+     */
+    public ResultSetXmlNodeImpl(ResultSet resultSet) {
+        super();
+        this.resultSet = resultSet;
+        try {
+            ResultSetMetaData metaData = resultSet.getMetaData();
+            columnNames = new String[metaData.getColumnCount()];
+            for (int i = 0; i < columnNames.length; i++) {
+                columnNames[i] = metaData.getColumnName(i + 1);
+            }
+        } catch (SQLException e) {
+            throw new IllegalStateException(e);
+        }
+    }
+
+    /**
+     * @see org.apache.tuscany.sca.databinding.xml.XmlNode#attributes()
+     */
+    public List<XmlNode> attributes() {
+        return Collections.emptyList();
+    }
+    
+    public Type getType() {
+        return Type.ELEMENT;
+    }
+
+
+    /**
+     * @see org.apache.tuscany.sca.databinding.xml.XmlNode#children()
+     */
+    public Iterator<XmlNode> children() {
+        return new ResultSetIteraror();
+    }
+
+    private class ResultSetIteraror implements Iterator<XmlNode> {
+        private Boolean hasNext;
+
+        public ResultSetIteraror() {
+        }
+
+        public boolean hasNext() {
+            try {
+                if (hasNext == null) {
+                    hasNext = resultSet.next();
+                }
+                return hasNext;
+            } catch (SQLException e) {
+                throw new IllegalStateException(e);
+            }
+        }
+
+        public XmlNode next() {
+            hasNext();
+            hasNext = null;
+            return new RecordXmlNodeImpl();
+        }
+
+        public void remove() {
+        }
+    }
+
+    /**
+     * @see org.apache.tuscany.sca.databinding.xml.XmlNode#getName()
+     */
+    public QName getName() {
+        return RESULT_SET;
+    }
+
+    /**
+     * @see org.apache.tuscany.sca.databinding.xml.XmlNode#getValue()
+     */
+    public String getValue() {
+        return null;
+    }
+
+    /**
+     * @see org.apache.tuscany.sca.databinding.xml.XmlNode#namespaces()
+     */
+    public Map<String, String> namespaces() {
+        return Collections.emptyMap();
+    }
+
+    private class RecordXmlNodeImpl extends XmlNodeImpl {
+        int index = 0;
+
+        @Override
+        public Iterator<XmlNode> children() {
+            return new Iterator<XmlNode>() {
+
+                public boolean hasNext() {
+                    return index < columnNames.length;
+                }
+
+                public XmlNode next() {
+                    return new ColumnXmlNodeImpl(index++);
+                }
+
+                public void remove() {
+                }
+
+            };
+        }
+
+        @Override
+        public QName getName() {
+            return RECORD;
+        }
+
+    }
+
+    private class ColumnXmlNodeImpl extends XmlNodeImpl {
+        private int index;
+
+        /**
+         * @param index
+         */
+        public ColumnXmlNodeImpl(int index) {
+            super();
+            this.index = index;
+        }
+
+        @Override
+        public List<XmlNode> attributes() {
+            XmlNode attr = new SimpleXmlNodeImpl(NAME, columnNames[index], XmlNode.Type.ATTRIBUTE);
+            return Arrays.asList(attr);
+        }
+
+        @Override
+        public Iterator<XmlNode> children() {
+            XmlNode[] nodes = {new ValueXmlNodeImpl(index)};
+            return Arrays.asList(nodes).iterator();
+        }
+
+        @Override
+        public QName getName() {
+            return COLUMN;
+        }
+
+    }
+
+    private class ValueXmlNodeImpl extends XmlNodeImpl {
+        private int index;
+
+        /**
+         * @param index
+         */
+        public ValueXmlNodeImpl(int index) {
+            super();
+            this.index = index;
+        }
+
+        @Override
+        public String getValue() {
+            try {
+                return String.valueOf(resultSet.getObject(index + 1));
+            } catch (SQLException e) {
+                throw new IllegalStateException(e);
+            }
+        }
+
+        @Override
+        public Type getType() {
+            return Type.CHARACTERS;
+        }
+
+    }
+
+    private static abstract class XmlNodeImpl implements XmlNode {
+
+        public List<XmlNode> attributes() {
+            return Collections.emptyList();
+        }
+
+        public Iterator<XmlNode> children() {
+            return null;
+        }
+
+        public QName getName() {
+            return null;
+        }
+
+        public String getValue() {
+            return null;
+        }
+
+        public boolean isLeaf() {
+            return false;
+        }
+
+        public Map<String, String> namespaces() {
+            return Collections.emptyMap();
+        }
+
+        public Type getType() {
+            return Type.ELEMENT;
+        }
+
+    }
+
+
+}