diff options
author | dims <dims@13f79535-47bb-0310-9956-ffa450edef68> | 2008-06-17 00:23:01 +0000 |
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committer | dims <dims@13f79535-47bb-0310-9956-ffa450edef68> | 2008-06-17 00:23:01 +0000 |
commit | bdd0a41aed7edf21ec2a65cfa17a86af2ef8c48a (patch) | |
tree | 38a92061c0793434c4be189f1d70c3458b6bc41d /sandbox/sebastien/java/sca-node/modules/implementation-data-xml/src/main/java/org/apache/tuscany/sca/implementation/data/jdbc/ResultSetXmlNodeImpl.java |
Move Tuscany from Incubator to top level.
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@668359 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'sandbox/sebastien/java/sca-node/modules/implementation-data-xml/src/main/java/org/apache/tuscany/sca/implementation/data/jdbc/ResultSetXmlNodeImpl.java')
-rw-r--r-- | sandbox/sebastien/java/sca-node/modules/implementation-data-xml/src/main/java/org/apache/tuscany/sca/implementation/data/jdbc/ResultSetXmlNodeImpl.java | 244 |
1 files changed, 244 insertions, 0 deletions
diff --git a/sandbox/sebastien/java/sca-node/modules/implementation-data-xml/src/main/java/org/apache/tuscany/sca/implementation/data/jdbc/ResultSetXmlNodeImpl.java b/sandbox/sebastien/java/sca-node/modules/implementation-data-xml/src/main/java/org/apache/tuscany/sca/implementation/data/jdbc/ResultSetXmlNodeImpl.java new file mode 100644 index 0000000000..c826e27e20 --- /dev/null +++ b/sandbox/sebastien/java/sca-node/modules/implementation-data-xml/src/main/java/org/apache/tuscany/sca/implementation/data/jdbc/ResultSetXmlNodeImpl.java @@ -0,0 +1,244 @@ +/* + * 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; + + 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() { + } + + }; + } + + public QName getName() { + return RECORD; + } + + } + + private class ColumnXmlNodeImpl extends XmlNodeImpl { + private int index; + + /** + * @param index + */ + public ColumnXmlNodeImpl(int index) { + super(); + this.index = index; + } + + public List<XmlNode> attributes() { + XmlNode attr = new SimpleXmlNodeImpl(NAME, columnNames[index], XmlNode.Type.ATTRIBUTE); + return Arrays.asList(attr); + } + + public Iterator<XmlNode> children() { + XmlNode[] nodes = {new ValueXmlNodeImpl(index)}; + return Arrays.asList(nodes).iterator(); + } + + public QName getName() { + return COLUMN; + } + + } + + private class ValueXmlNodeImpl extends XmlNodeImpl { + private int index; + + /** + * @param index + */ + public ValueXmlNodeImpl(int index) { + super(); + this.index = index; + } + + public String getValue() { + try { + return String.valueOf(resultSet.getObject(index + 1)); + } catch (SQLException e) { + throw new IllegalStateException(e); + } + } + + 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; + } + + } + + +} |