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* file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
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package com.sun.gjc.util;
import java.lang.reflect.Method;
import java.lang.reflect.InvocationTargetException;
import java.util.Vector;
import javax.resource.ResourceException;
import com.sun.logging.*;
import java.util.logging.Logger;
import java.util.logging.Level;
import com.sun.gjc.common.DataSourceObjectBuilder;
import com.sun.enterprise.util.i18n.StringManager;
/**
* Execute the methods based on the parameters.
*
* @version 1.0, 02/07/23
* @author Binod P.G
*/
public class MethodExecutor implements java.io.Serializable {
private static Logger _logger;
static {
_logger = LogDomains.getLogger(LogDomains.RSR_LOGGER);
}
private boolean debug = false;
private static StringManager sm = StringManager.getManager(
DataSourceObjectBuilder.class);
/**
* Exceute a simple set Method.
*
* @throws <code>ResourceException</code>,
* in case of the mismatch of parameter values or
* a security violation.
* @param value Value to be set.
* @param method <code>Method</code> object.
* @param obj Object on which the method to be executed.
*/
public void runJavaBeanMethod(String value, Method method, Object obj) throws ResourceException {
if (value == null || value.trim().equals("")) {
return;
}
try {
Class[] parameters = method.getParameterTypes();
if (parameters.length == 1) {
Object[] values = new Object[1];
values[0] = convertType(parameters[0], value);
method.invoke(obj, values);
}
} catch (IllegalAccessException iae) {
_logger.log(Level.SEVERE, "jdbc.exc_jb_val", iae);
String msg = sm.getString("me.access_denied", method.getName());
throw new ResourceException(msg);
} catch (IllegalArgumentException ie) {
_logger.log(Level.SEVERE, "jdbc.exc_jb_val", ie);
String msg = sm.getString("me.illegal_args", method.getName());
throw new ResourceException(msg);
} catch (InvocationTargetException ite) {
_logger.log(Level.SEVERE, "jdbc.exc_jb_val", ite);
String msg = sm.getString("me.access_denied", method.getName());
throw new ResourceException(msg);
}
}
/**
* Executes the method.
*
* @throws <code>ResourceException</code>,
* in case of the mismatch of parameter values or
* a security violation.
* @param method <code>Method</code> object.
* @param obj Object on which the method to be executed.
* @param values Parameter values for executing the method.
*/
public void runMethod(Method method, Object obj, Vector values) throws ResourceException {
try {
Class[] parameters = method.getParameterTypes();
if (values.size() != parameters.length) {
return;
}
Object[] actualValues = new Object[parameters.length];
for (int i = 0; i < parameters.length; i++) {
String val = (String) values.get(i);
if (val.trim().equals("NULL")) {
actualValues[i] = null;
} else {
actualValues[i] = convertType(parameters[i], val);
}
}
method.invoke(obj, actualValues);
} catch (IllegalAccessException iae) {
_logger.log(Level.SEVERE, "jdbc.exc_jb_val", iae);
String msg = sm.getString("me.access_denied", method.getName());
throw new ResourceException(msg);
} catch (IllegalArgumentException ie) {
_logger.log(Level.SEVERE, "jdbc.exc_jb_val", ie);
String msg = sm.getString("me.illegal_args", method.getName());
throw new ResourceException(msg);
} catch (InvocationTargetException ite) {
_logger.log(Level.SEVERE, "jdbc.exc_jb_val", ite);
String msg = sm.getString("me.access_denied", method.getName());
throw new ResourceException(msg);
}
}
/**
* Converts the type from String to the Class type.
*
* @throws <code>ResourceException</code>,
* in case of the mismatch of parameter values or
* a security violation.
* @param type Class name to which the conversion is required.
* @param parameter String value to be converted.
* @return Converted value.
*/
private Object convertType(Class type, String parameter) throws ResourceException {
try {
String typeName = type.getName();
if (typeName.equals("java.lang.String") || typeName.equals("java.lang.Object")) {
return parameter;
}
if (typeName.equals("int") || typeName.equals("java.lang.Integer")) {
return new Integer(parameter);
}
if (typeName.equals("short") || typeName.equals("java.lang.Short")) {
return new Short(parameter);
}
if (typeName.equals("byte") || typeName.equals("java.lang.Byte")) {
return new Byte(parameter);
}
if (typeName.equals("long") || typeName.equals("java.lang.Long")) {
return new Long(parameter);
}
if (typeName.equals("float") || typeName.equals("java.lang.Float")) {
return new Float(parameter);
}
if (typeName.equals("double") || typeName.equals("java.lang.Double")) {
return new Double(parameter);
}
if (typeName.equals("java.math.BigDecimal")) {
return new java.math.BigDecimal(parameter);
}
if (typeName.equals("java.math.BigInteger")) {
return new java.math.BigInteger(parameter);
}
if (typeName.equals("boolean") || typeName.equals("java.lang.Boolean")) {
return Boolean.valueOf(parameter);
}
return parameter;
} catch (NumberFormatException nfe) {
_logger.log(Level.SEVERE, "jdbc.exc_nfe", parameter);
String msg = sm.getString("me.invalid_param", parameter);
throw new ResourceException(msg);
}
}
}
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