/*
* Copyright (C) 2000 - 2008 TagServlet Ltd
*
* This file is part of Open BlueDragon (OpenBD) CFML Server Engine.
*
* OpenBD is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* Free Software Foundation,version 3.
*
* OpenBD is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with OpenBD. If not, see http://www.gnu.org/licenses/
*
* Additional permission under GNU GPL version 3 section 7
*
* If you modify this Program, or any covered work, by linking or combining
* it with any of the JARS listed in the README.txt (or a modified version of
* (that library), containing parts covered by the terms of that JAR, the
* licensors of this Program grant you additional permission to convey the
* resulting work.
* README.txt @ http://www.openbluedragon.org/license/README.txt
*
* http://www.openbluedragon.org/
*/
/*
* Created on Dec 29, 2004
*
* To change the template for this generated file go to
* Window>Preferences>Java>Code Generation>Code and Comments
*/
package com.naryx.tagfusion.cfm.xml.ws.dynws.convert;
import com.naryx.tagfusion.cfm.engine.catchDataFactory;
import com.naryx.tagfusion.cfm.engine.cfQueryResultData;
import com.naryx.tagfusion.cfm.engine.cfSession;
import com.naryx.tagfusion.cfm.engine.cfmRunTimeException;
import com.naryx.tagfusion.cfm.xml.ws.dynws.DynamicCacheClassLoader;
import com.naryx.tagfusion.cfm.xml.ws.encoding.ser.IQueryBean;
import com.naryx.tagfusion.cfm.xml.ws.encoding.ser.QueryBean;
/**
* Converts query data types to/from their BD equivalents.
*/
public class QueryBeanConverter {
public QueryBeanConverter() {}
/**
* Converts the Object in the ObjectWrapper into the Class specified by
* typeHint (or something suitable for SOAP serialization if typeHint is not
* specified). Returns true if the Object was successfully converted/replaced,
* false otherwise.
*
* @param wrapper
* ObjectWrapper containing the Object to convert/replace.
* @param typeHint
* Class into which we need to convert the Object.
* @param cl
* ClassLoader that may contain the specified typeHint.
* @return true if the Object was successfully converted/replaced, false
* otherwise.
* @throws cfmRunTimeException
*/
public static boolean toWebServiceType(ObjectWrapper wrapper, Class typeHint, ClassLoader cl) throws cfmRunTimeException {
// Must be a cfQueryResultData
if (!(wrapper.value instanceof cfQueryResultData))
return false;
// Default type is the ClassLoader's IQueryBean implementation or our
// QueryBean
// if no such implementation exists (even if System.Object is specified)
if (typeHint == null || typeHint.equals(Object.class))
typeHint = getIQueryBeanType(cl);
if (IQueryBean.class.isAssignableFrom(typeHint)) {
// Convert it into a IQueryBean
return cfQueryResultDataToIQueryBean(wrapper, typeHint, cl);
} else {
// Don't know what this is.
return false;
}
}
/**
* Converts the cfQueryResultData in the ObjectWrapper into an IQueryBean
* implementation. Returns true if the cfQueryResultData was successfully
* converted/replaced, false otherwise.
*
* @param wrapper
* ObjectWrapper containing the cfQueryResultData to convert/replace.
* @param typeHint
* Class into which we need to convert the Object.
* @param cl
* ClassLoader that may contain the specified typeHint.
* @return true if the cfQueryResultData was successfully converted/replaced,
* false otherwise.
* @throws cfmRunTimeException
*/
private static boolean cfQueryResultDataToIQueryBean(ObjectWrapper wrapper, Class typeHint, ClassLoader cl) throws cfmRunTimeException {
// Cast to a cfQueryResultData object
cfQueryResultData query = (cfQueryResultData) wrapper.value;
IQueryBean rtn = null;
try {
// Create the type
rtn = (IQueryBean) typeHint.newInstance();
// Populate the data field
Object[][] dataArr = new Object[query.getNoRows()][];
for (int i = 0; i < query.getNoRows(); i++) {
Object[] dataSubArr = new Object[query.getNoColumns()];
for (int j = 0; j < query.getNoColumns(); j++)
dataSubArr[j] = TypeConverter.toWebServiceType(query.getCell(i + 1, j + 1), null, cl);
dataArr[i] = dataSubArr;
}
// Populate the IQueryBean
rtn.setColumnList(query.getColumnList());
rtn.setData(dataArr);
wrapper.value = rtn;
return true;
} catch (cfmRunTimeException ex) {
throw ex;
} catch (Exception ex) {
throw new cfmRunTimeException(catchDataFactory.generalException("errorCode.runtimeError", "Cannot convert type: " + TypeConverter.getTypeDesc(wrapper.value.getClass()) + ": " + Utils.getExceptionMessage(ex)));
}
}
/**
* Returns the type for an IQueryBean. If a locally generated type exists,
* this will return that type. If not, this will return the default QueryBean
* type.
*
* @param cl
* ClassLoader that may contain the preferred IQueryBean
* implementation type
* @return preferred IQueryBean implementation type
*/
private static Class getIQueryBeanType(ClassLoader cl) {
if (cl != null && cl instanceof DynamicCacheClassLoader) {
// Use the ClassLoader's specified impl
DynamicCacheClassLoader dcl = (DynamicCacheClassLoader) cl;
Class rtn = dcl.getIQueryBean();
if (rtn != null)
return rtn;
}
// Otherwise return the default
return QueryBean.class;
}
/**
* Converts the Object in the ObjectWrapper into a cfData. Returns true if the
* Object was successfully converted/replaced, false otherwise.
*
* @param wrapper
* ObjectWrapper containing the Object to convert/replace.
* @param session
* cfSession class, needed for object creation
* @return true if the Object was successfully converted/replaced, false
* otherwise.
* @throws cfmRunTimeException
*/
public static boolean toBDType(ObjectWrapper wrapper, cfSession session) throws cfmRunTimeException {
if (wrapper.value instanceof IQueryBean)
return iQueryBeanTocfQueryResultData(wrapper, session);
else
return false;
}
/**
* Converts the IQueryBean in the ObjectWrapper into a cfQueryResultData.
* Returns true if the IQueryBean was successfully converted/replaced, false
* otherwise.
*
* @param wrapper
* ObjectWrapper containing the IQueryBean to convert/replace.
* @param session
* cfSession class, needed for object creation
* @return true if the IQueryBean was successfully converted/replaced, false
* otherwise.
* @throws cfmRunTimeException
*/
private static boolean iQueryBeanTocfQueryResultData(ObjectWrapper wrapper, cfSession session) throws cfmRunTimeException {
IQueryBean qb = (IQueryBean) wrapper.value;
String[] columnList = qb.getColumnList();
Object[] data = qb.getData();
cfQueryResultData rtn = new cfQueryResultData(columnList, "QueryNew()");
// Populate tablerows
// Get the row num by getting the num of rows in the data set
int noCols = columnList.length;
int noRows = data.length;
rtn.addRow(noRows);
for (int i = 0; i < noRows; i++) {
Object[] dataSub = (Object[]) data[i];
for (int j = 0; j < noCols; j++)
rtn.setCell(i + 1, j + 1, TypeConverter.toBDType(dataSub[j], session));
}
wrapper.value = rtn;
return true;
}
}