Java tutorial
/** * Copyright 2010-2016 the original author or authors. * * 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 jetsennet.orm.tableinfo.mapping; import java.sql.ResultSet; import java.sql.ResultSetMetaData; import java.sql.SQLException; import java.sql.Types; import org.dom4j.DocumentHelper; import org.dom4j.Element; import org.uorm.utils.Utils; /** * * @author <a href="mailto:xunchangguo@gmail.com"></a> * @version 1.0.0 * ???????????????????????????????????<br/> * ??<br/> * 2013-1-31 <br/> */ public class XmlReader implements IXmlReader { private String dataFormatParten = "yyyy-MM-dd HH:mm:ss"; /* (non-Javadoc) * @see org.uorm.orm.mapping.IXmlReader#read(java.lang.String, java.sql.ResultSet, java.sql.ResultSetMetaData) */ @Override public Element read(String itemname, ResultSet result, ResultSetMetaData rsmd) throws Exception { Element dataElement = DocumentHelper.createElement(itemname); int count = rsmd.getColumnCount(); for (int i = 1; i <= count; i++) { String columnName = rsmd.getColumnLabel(i); if (null == columnName || 0 == columnName.length()) { columnName = rsmd.getColumnName(i); } int columnType = rsmd.getColumnType(i); Element curElement = dataElement.addElement(columnName); String val = getValue(result, i, columnType); if (val != null) { curElement.addText(val); } } return dataElement; } /** * @param result * @param columnIndex * @param columnType * @return * @throws SQLException */ protected String getValue(ResultSet result, int columnIndex, int columnType) throws SQLException { String val = null; switch (columnType) { case Types.TIMESTAMP: java.sql.Timestamp timestamp = result.getTimestamp(columnIndex); if (timestamp != null) { val = Utils.dateFormat(timestamp, dataFormatParten); } break; case Types.DATE: java.sql.Date date = result.getDate(columnIndex); if (date != null) { val = Utils.dateFormat(date, dataFormatParten); } break; case Types.TIME: java.sql.Time time = result.getTime(columnIndex); if (time != null) { val = Utils.dateFormat(time, "HH:mm:ss"); } break; case Types.CLOB: val = result.getString(columnIndex); break; case Types.BLOB: java.sql.Blob blob = result.getBlob(columnIndex); if (blob != null) { val = new String(blob.getBytes(1, (int) blob.length())); } break; default: val = result.getString(columnIndex); break; } return val; } /** * @param dataFormatParten the dataFormatParten to set */ public void setDataFormatParten(String dataFormatParten) { this.dataFormatParten = dataFormatParten; } }