/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: SQLQueryComposer.java,v $
* $Revision: 1.12 $
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
package com.sun.star.wizards.db;
import java.util.Vector;
import com.sun.star.lang.IllegalArgumentException;
import com.sun.star.lang.WrappedTargetException;
import com.sun.star.lang.XMultiServiceFactory;
import com.sun.star.beans.*;
import com.sun.star.container.NoSuchElementException;
import com.sun.star.container.XIndexAccess;
import com.sun.star.container.XNameAccess;
import com.sun.star.sdbcx.XColumnsSupplier;
import com.sun.star.sdb.XColumn;
import com.sun.star.sdb.XSQLQueryComposer;
import com.sun.star.sdb.XSQLQueryComposerFactory;
import com.sun.star.sdb.XSingleSelectQueryComposer;
import com.sun.star.sdb.XSingleSelectQueryAnalyzer;
import com.sun.star.ui.dialogs.XExecutableDialog;
import com.sun.star.uno.AnyConverter;
import com.sun.star.uno.Exception;
import com.sun.star.uno.UnoRuntime;
import com.sun.star.sdbc.SQLException;
import com.sun.star.lang.XInitialization;
import com.sun.star.awt.XWindow;
import com.sun.star.wizards.common.*;
public class SQLQueryComposer {
public XColumnsSupplier xColSuppl;
XSQLQueryComposerFactory xSQLComposerFactory;
XSQLQueryComposer xSQLQueryComposer;
QueryMetaData CurDBMetaData;
String selectclause;
String fromclause;
public XSingleSelectQueryAnalyzer xQueryAnalyzer;
Vector composedCommandNames = new Vector(1);
public XSingleSelectQueryComposer xQueryComposer;
XMultiServiceFactory xMSF;
boolean bincludeGrouping = true;
public SQLQueryComposer(QueryMetaData _CurDBMetaData) {
try {
this.CurDBMetaData = _CurDBMetaData;
xMSF = (XMultiServiceFactory) UnoRuntime.queryInterface(XMultiServiceFactory.class, CurDBMetaData.DBConnection);
Object oQueryComposer = xMSF.createInstance("com.sun.star.sdb.SingleSelectQueryComposer");
xQueryAnalyzer = (XSingleSelectQueryAnalyzer) UnoRuntime.queryInterface(XSingleSelectQueryAnalyzer.class, oQueryComposer);
xQueryComposer = (XSingleSelectQueryComposer) UnoRuntime.queryInterface(XSingleSelectQueryComposer.class, xQueryAnalyzer);
xSQLComposerFactory = (XSQLQueryComposerFactory) UnoRuntime.queryInterface(XSQLQueryComposerFactory.class, CurDBMetaData.DBConnection);
XSQLQueryComposer xSQLComposer = xSQLComposerFactory.createQueryComposer();
} catch (Exception exception) {
exception.printStackTrace(System.out);
}
}
private boolean addtoSelectClause(String DisplayFieldName) throws SQLException {
if (bincludeGrouping){
if (CurDBMetaData.xDBMetaData.supportsGroupByUnrelated()) {
if (CurDBMetaData.GroupFieldNames != null) {
if (JavaTools.FieldInList(CurDBMetaData.GroupFieldNames, DisplayFieldName) > -1)
return false;
}
}
}
return true;
}
public void appendSelectClause(boolean _baddAliasFieldNames) throws SQLException {
String sSelectBaseClause = "SELECT ";
selectclause = sSelectBaseClause;
for (int i = 0; i < CurDBMetaData.FieldColumns.length; i++) {
if (addtoSelectClause(CurDBMetaData.FieldColumns[i].DisplayFieldName)) {
int iAggregate = CurDBMetaData.getAggregateIndex(CurDBMetaData.FieldColumns[i].DisplayFieldName);
if (iAggregate > -1) {
selectclause += CurDBMetaData.AggregateFieldNames[iAggregate][1] + "(" + getComposedAliasFieldName(CurDBMetaData.AggregateFieldNames[iAggregate][0]) + ")";
if (_baddAliasFieldNames)
selectclause += getAliasFieldNameClause(CurDBMetaData.AggregateFieldNames[iAggregate][0]);
} else {
selectclause += getComposedAliasFieldName(CurDBMetaData.FieldColumns[i].DisplayFieldName);
if (_baddAliasFieldNames)
selectclause += getAliasFieldNameClause(CurDBMetaData.FieldColumns[i].DisplayFieldName);
}
selectclause += ", ";
}
}
if (selectclause.equals(sSelectBaseClause)){
selectclause = selectclause.substring(0, selectclause.length() - 1);
}
else{
selectclause = selectclause.substring(0, selectclause.length() - 2);
}
}
public String getAliasFieldNameClause(String _FieldName) {
String FieldTitle = CurDBMetaData.getFieldTitle(_FieldName);
if (!FieldTitle.equals(_FieldName))
return " AS " + CommandName.quoteName(FieldTitle, CurDBMetaData.getIdentifierQuote());
else
return "";
}
public void appendFilterConditions() throws SQLException {
try {
for (int i = 0; i < CurDBMetaData.FilterConditions.length; i++) {
String CurFieldName = CurDBMetaData.FilterConditions[i][0].Name;
xQueryComposer.setStructuredFilter(CurDBMetaData.FilterConditions);
}
String s = xQueryAnalyzer.getQuery();
} catch (Exception exception) {
exception.printStackTrace(System.out);
}
}
public void prependSortingCriteria() throws SQLException{
XIndexAccess xColumnIndexAccess = xQueryAnalyzer.getOrderColumns();
xQueryComposer.setOrder("");
for (int i = 0; i < CurDBMetaData.getSortFieldNames().length; i++)
appendSortingCriterion(i, false);
for (int i = 0; i < xColumnIndexAccess.getCount(); i++){
try {
XPropertySet xColumnPropertySet = (XPropertySet) UnoRuntime.queryInterface(XPropertySet.class, xColumnIndexAccess.getByIndex(i));
String sName = (String) xColumnPropertySet.getPropertyValue("Name");
if (JavaTools.FieldInTable(CurDBMetaData.getSortFieldNames(), sName) == -1){
boolean bascend = AnyConverter.toBoolean(xColumnPropertySet.getPropertyValue("IsAscending"));
xQueryComposer.appendOrderByColumn(xColumnPropertySet, bascend);
}
} catch (Exception e) {
e.printStackTrace(System.out);
}
}
}
private void appendSortingCriterion(int _SortIndex, boolean _baddAliasFieldNames ) throws SQLException
{
String sSortValue = CurDBMetaData.getSortFieldNames()[_SortIndex][0];
XPropertySet xColumn = CurDBMetaData.getColumnObjectByFieldName(sSortValue, _baddAliasFieldNames);
String sSort = CurDBMetaData.getSortFieldNames()[_SortIndex][1];
boolean bascend = ( sSort.equals( "ASC" ));
xQueryComposer.appendOrderByColumn(xColumn, bascend);
}
public void appendSortingcriteria(boolean _baddAliasFieldNames) throws SQLException {
String sOrder = "";
xQueryComposer.setOrder("");
for (int i = 0; i < CurDBMetaData.getSortFieldNames().length; i++)
{
String sSortValue = CurDBMetaData.getSortFieldNames()[i][0];
int iAggregate = CurDBMetaData.getAggregateIndex(sSortValue);
if (iAggregate > -1)
{
sOrder = xQueryAnalyzer.getOrder();
if (sOrder.length() > 0)
{
sOrder += ", ";
}
sOrder += CurDBMetaData.AggregateFieldNames[iAggregate][1] + "(" + CurDBMetaData.AggregateFieldNames[iAggregate][0] + ")";
sOrder += " " + CurDBMetaData.getSortFieldNames()[i][1];
xQueryComposer.setOrder(sOrder);
}
else
{
appendSortingCriterion(i, _baddAliasFieldNames);
}
sOrder = xQueryAnalyzer.getOrder();
}
// just for debug!
sOrder = xQueryComposer.getOrder();
int dummy = 0;
}
public void appendGroupByColumns(boolean _baddAliasFieldNames) throws SQLException {
for (int i = 0; i < CurDBMetaData.GroupFieldNames.length; i++) {
XPropertySet xColumn = CurDBMetaData.getColumnObjectByFieldName(CurDBMetaData.GroupFieldNames[i], _baddAliasFieldNames);
xQueryComposer.appendGroupByColumn(xColumn);
}
String s = xQueryAnalyzer.getQuery();
}
public void setDBMetaData(QueryMetaData _oDBMetaData) {
this.CurDBMetaData = _oDBMetaData;
}
private PropertyValue[][] replaceConditionsByAlias(PropertyValue _filterconditions[][]) {
for (int n = 0; n < _filterconditions.length; n++) {
for (int m = 0; m < _filterconditions[n].length; m++) {
_filterconditions[n][m].Name = getComposedAliasFieldName(_filterconditions[n][m].Name);
}
}
return _filterconditions;
}
public String getQuery() {
return xQueryAnalyzer.getQuery();
}
public boolean setQueryCommand(String QueryName, XWindow _xParentWindow, boolean _bincludeGrouping, boolean _baddAliasFieldNames) {
try
{
String s;
bincludeGrouping = _bincludeGrouping;
fromclause = "FROM";
String[] sCommandNames = CurDBMetaData.getIncludedCommandNames();
for (int i = 0; i < sCommandNames.length; i++)
{
CommandName curCommandName = new CommandName(CurDBMetaData, sCommandNames[i]); //(setComposedCommandName)
curCommandName.setAliasName(getuniqueAliasName(curCommandName.getTableName()));
fromclause += " " + curCommandName.getComposedName() + " " + quoteName(curCommandName.getAliasName());
if (i < sCommandNames.length - 1)
{
fromclause += ", ";
}
composedCommandNames.add(curCommandName);
}
appendSelectClause(_baddAliasFieldNames);
String queryclause = selectclause + " " + fromclause;
xQueryAnalyzer.setQuery(queryclause);
if (CurDBMetaData.FilterConditions != null)
{
if (CurDBMetaData.FilterConditions.length > 0)
{
CurDBMetaData.FilterConditions = replaceConditionsByAlias(CurDBMetaData.FilterConditions);
xQueryComposer.setStructuredFilter(CurDBMetaData.FilterConditions);
}
}
s = xQueryAnalyzer.getQuery();
if (_bincludeGrouping)
{
appendGroupByColumns(_baddAliasFieldNames);
if (CurDBMetaData.GroupByFilterConditions.length > 0)
{
xQueryComposer.setStructuredHavingClause(CurDBMetaData.GroupByFilterConditions);
}
}
appendSortingcriteria(_baddAliasFieldNames);
s = xQueryAnalyzer.getQuery();
return true;
}
catch (Exception exception)
{
exception.printStackTrace(System.out);
displaySQLErrorDialog(exception, _xParentWindow);
return false;
}
}
private String getComposedAliasFieldName(String _fieldname){
FieldColumn CurFieldColumn = CurDBMetaData.getFieldColumnByDisplayName(_fieldname);
CommandName curComposedCommandName = getComposedCommandByDisplayName(CurFieldColumn.getCommandName());
String curAliasName = curComposedCommandName.getAliasName();
return quoteName(curAliasName) + "." + quoteName(CurFieldColumn.FieldName);
}
private CommandName getComposedCommandByAliasName(String _AliasName) {
if (composedCommandNames != null) {
CommandName curComposedName;
for (int i = 0; i < composedCommandNames.size(); i++) {
curComposedName = (CommandName) composedCommandNames.elementAt(i);
if (curComposedName.getAliasName().equals(_AliasName))
return curComposedName;
}
}
return null;
}
public CommandName getComposedCommandByDisplayName(String _DisplayName) {
if (composedCommandNames != null) {
CommandName curComposedName;
for (int i = 0; i < composedCommandNames.size(); i++) {
curComposedName = (CommandName) composedCommandNames.elementAt(i);
if (curComposedName.getDisplayName().equals(_DisplayName))
return curComposedName;
}
}
return null;
}
public String getuniqueAliasName(String _TableName) {
int a = 0;
String AliasName = "";
boolean bAliasNameexists = true;
String locAliasName = _TableName;
while (bAliasNameexists == true) {
bAliasNameexists = (getComposedCommandByAliasName(locAliasName) != null);
if (bAliasNameexists) {
a++;
locAliasName = _TableName + "_" + String.valueOf(a);
} else
AliasName = locAliasName;
}
return AliasName;
}
private String quoteName(String _sname){
return CommandName.quoteName(_sname, CurDBMetaData.getIdentifierQuote());
}
public void displaySQLErrorDialog(Exception _exception, XWindow _xParentWindow) {
try {
Object oErrorDialog = CurDBMetaData.xMSF.createInstance("com.sun.star.sdb.ErrorMessageDialog");
XInitialization xInitialize = (XInitialization) UnoRuntime.queryInterface(XInitialization.class, oErrorDialog);
XExecutableDialog xExecute = (XExecutableDialog) UnoRuntime.queryInterface(XExecutableDialog.class, oErrorDialog);
PropertyValue[] rDispatchArguments = new PropertyValue[3];
rDispatchArguments[0] = Properties.createProperty("Title", Configuration.getProductName(CurDBMetaData.xMSF) + " Base");
rDispatchArguments[1] = Properties.createProperty("ParentWindow", _xParentWindow);
rDispatchArguments[2] = Properties.createProperty("SQLException", _exception);
xInitialize.initialize(rDispatchArguments);
xExecute.execute();
//TODO dispose???
} catch (Exception typeexception) {
typeexception.printStackTrace(System.out);
}
}
}