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/*******************************************************************************
* Copyright (c) 2004, 2007 Boeing.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Boeing - initial API and implementation
*******************************************************************************/
package org.eclipse.osee.framework.database.core;
import java.io.IOException;
import java.io.InputStream;
import java.sql.Date;
import java.sql.Timestamp;
import java.sql.Types;
import org.eclipse.osee.framework.core.exception.OseeDataStoreException;
import org.eclipse.osee.framework.jdk.core.type.IVariantData;
import org.eclipse.osee.framework.jdk.core.type.VariantData;
import org.eclipse.osee.framework.jdk.core.util.Lib;
import org.eclipse.osee.framework.jdk.core.util.Strings;
/**
* @author Roberto E. Escobar
*/
public class ResultSetProcessor {
public static IVariantData parse(IOseeStatement chStmt) throws OseeDataStoreException {
IVariantData toReturn = new VariantData();
int numberOfColumns = chStmt.getColumnCount() + 1;
for (int index = 1; index < numberOfColumns; index++) {
int columnIndex = index;
int type = chStmt.getColumnType(columnIndex);
String name = chStmt.getColumnName(columnIndex);
// Store name - all upper case
String upperCasedName = name.toUpperCase();
switch (type) {
case Types.CLOB:
case Types.BINARY:
InputStream inputStream = chStmt.getAsciiStream(name);
toReturn.put(upperCasedName, streamToByteArray(inputStream));
break;
case Types.BLOB:
InputStream blobStream = chStmt.getBinaryStream(name);
toReturn.put(upperCasedName, streamToByteArray(blobStream));
break;
case Types.TIMESTAMP:
Timestamp timeStamp = chStmt.getTimestamp(name);
if (timeStamp != null) {
toReturn.put(upperCasedName, timeStamp.getTime());
}
break;
case Types.DATE:
Date date = chStmt.getDate(name);
if (date != null) {
toReturn.put(upperCasedName, date.getTime());
}
break;
default:
try {
String value = chStmt.getString(name);
if (Strings.isValid(value) != false) {
value = value.trim();
}
toReturn.put(upperCasedName, chStmt.getString(name));
} catch (OseeDataStoreException ex) {
String typeName = chStmt.getColumnTypeName(columnIndex);
throw new OseeDataStoreException(getErrorMessage(name, typeName), ex);
}
break;
}
}
return toReturn;
}
private static String getErrorMessage(String name, String typeName) {
return String.format("Unable to convert [%s] of raw type [%s] to string.", name, typeName);
}
private static byte[] streamToByteArray(InputStream inputStream) throws OseeDataStoreException {
byte[] toReturn = new byte[0];
if (inputStream != null) {
try {
toReturn = Lib.inputStreamToBytes(inputStream);
} catch (IOException ex) {
throw new OseeDataStoreException(ex);
}
}
return toReturn;
}
}
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