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*
* 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 stats;
import share.LogWriter;
import java.util.Hashtable;
import util.DynamicClassLoader;
/**
* A factory class for creating out producers.
*/
public class OutProducerFactory {
/**
* Create an out producer. The type that is created depends on the
* parameters given. These are:
* <ul>
* <li>DataBaseOut - If set to true, a database outproducer is created.
* <li>OutProducer - The value of this parameter names the class that is created.
* </ul>
* @param Parameters of the test.
* @return The created out producer.
*/
public static LogWriter createOutProducer(Hashtable param) {
LogWriter dbOut = null;
boolean getDatabase = convertToBool(param.get("DataBaseOut"));
if (getDatabase) {
dbOut = createDataBaseOutProducer(param);
}
if (dbOut == null) {
DynamicClassLoader dcl = new DynamicClassLoader();
String outProducerName = (String)param.get("OutProducer");
if (outProducerName != null) {
try {
dbOut = (LogWriter)dcl.getInstance(outProducerName);
}
catch(IllegalArgumentException e) {
e.printStackTrace();
}
}
}
if (dbOut == null) {
dbOut = createSimpleOutProducer();
}
return dbOut;
}
/**
* Create a databbase out producer.
* @param The test parameters
* @return The database out producer, or null if it couldn't be created.
*/
public static LogWriter createDataBaseOutProducer(Hashtable param) {
String dataProducerName = (String)param.get("DataBaseOutProducer");
if (dataProducerName == null) {
String testBaseName = (String)param.get("TestBase");
dataProducerName = testBaseName.substring(testBaseName.indexOf("_")+1);
dataProducerName = "stats." + makeFirstCharUpperCase(dataProducerName)
+ "DataBaseOutProducer";
}
DynamicClassLoader dcl = new DynamicClassLoader();
LogWriter dbOut = null;
try {
dbOut = (LogWriter)dcl.getInstance(dataProducerName,
new Class[]{new Hashtable().getClass()}, new Object[]{param});
}
catch(IllegalArgumentException e) {
e.printStackTrace();
}
return dbOut;
}
/**
* As a fallback, create a simple out producer, if all else failed.
* @return A simple out producer, writing to the screen.
*/
public static LogWriter createSimpleOutProducer() {
return new SimpleOutProducer();
}
private static boolean convertToBool(Object val) {
if(val != null) {
if ( val instanceof String ) {
String sVal = (String)val;
if ( sVal.equalsIgnoreCase("true") || sVal.equalsIgnoreCase("yes") ) {
return true;
}
}
else if (val instanceof Boolean) {
return ((Boolean)val).booleanValue();
}
}
return false;
}
/**
* Make the first character to an upper case char.
* @param name The String to change
* @return The String with an upper case first char.
*/
private static String makeFirstCharUpperCase(String name) {
return name.substring(0,1).toUpperCase() + name.substring(1);
}
/* public static void main(String[] args) {
Hashtable p = new Hashtable();
p.put("DataBaseOut", "yes");
p.put("TestBase", "java_complex");
p.put("Version", "srx645gggg");
createDataBaseOutProducer(p);
} */
}