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* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
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* file and include the License file at packager/legal/LICENSE.txt.
*
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// Portions Copyright [2016-2021] [Payara Foundation]
package com.sun.gjc.util;
import com.sun.enterprise.util.i18n.StringManager;
import com.sun.gjc.common.DataSourceObjectBuilder;
import com.sun.logging.LogDomains;
import jakarta.resource.ResourceException;
import java.io.StringReader;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.Properties;
import java.util.Vector;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* Execute the methods based on the parameters.
*
* @author Binod P.G
* @version 1.0, 02/07/23
*/
public class MethodExecutor implements java.io.Serializable {
private static Logger _logger;
static {
_logger = LogDomains.getLogger(MethodExecutor.class, LogDomains.RSR_LOGGER);
}
private boolean debug = false;
private final static String newline = System.getProperty("line.separator");
private static StringManager sm = StringManager.getManager(
DataSourceObjectBuilder.class);
/**
* Exceute a simple set Method.
*
* @param value Value to be set.
* @param method Method object.
* @param obj Object on which the method to be executed.
* @throws ResourceException,
* in case of the mismatch of parameter values or
* a security violation.
*/
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", value);
_logger.log(Level.SEVERE, "", 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", value);
_logger.log(Level.SEVERE, "", 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", value);
_logger.log(Level.SEVERE, "", ite);
String msg = sm.getString("me.access_denied", method.getName());
throw new ResourceException(msg);
}
}
/**
* Executes the method.
*
* @param method Method object.
* @param obj Object on which the method to be executed.
* @param values Parameter values for executing the method.
* @throws ResourceException,
* in case of the mismatch of parameter values or
* a security violation.
*/
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", values);
_logger.log(Level.SEVERE, "", 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", values);
_logger.log(Level.SEVERE, "", 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", values);
_logger.log(Level.SEVERE, "", ite);
String msg = sm.getString("me.access_denied", method.getName());
throw new ResourceException(msg);
}
}
/**
* Converts the type from String to the Class type.
*
* @param type Class name to which the conversion is required.
* @param parameter String value to be converted.
* @return Converted value.
* @throws ResourceException,
* in case of the mismatch of parameter values or
* a security violation.
*/
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);
}
if (typeName.equals("java.util.Properties")) {
Properties p = stringToProperties(parameter);
if (p!= null) return p;
}
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);
}
}
public Object invokeMethod(Object object, String methodName,
Class[] valueTypes, Object... values) throws ResourceException {
Object returnValue = null;
Method actualMethod = null;
try {
actualMethod = getDeclaredMethodRecursively(object.getClass(), methodName, valueTypes);
} catch (SecurityException ex) {
throw new ResourceException(ex);
}
if (actualMethod != null) {
try {
returnValue = actualMethod.invoke(object, values);
} catch (IllegalAccessException ex) {
throw new ResourceException(ex);
} catch (IllegalArgumentException ex) {
throw new ResourceException(ex);
} catch (InvocationTargetException ex) {
throw new ResourceException(ex);
}
}
return returnValue;
}
private Method getDeclaredMethodRecursively(Class currentClass, String methodName, Class... parameterTypes)
throws SecurityException {
while (currentClass != null) {
try {
Method method = currentClass.getDeclaredMethod(methodName, parameterTypes);
if(method != null) {
method.setAccessible(true);
return method;
}
}
catch (NoSuchMethodException ex) {
}
currentClass = currentClass.getSuperclass();
}
return null;
}
private Properties stringToProperties(String parameter)
{
if (parameter == null) return null;
String s = parameter.trim();
if (!((s.startsWith("(") && s.endsWith(")")))) {
return null; // not a "( .... )" syntax
}
s = s.substring(1,s.length()-1);
s = s.replaceAll("(? \n
s = s.replaceAll("\\\\,",","); // escape-"," -> ,
Properties p = new Properties();
Properties prop = new Properties();
try {
p.load(new StringReader(s));
} catch (java.io.IOException ex) {
if (_logger.isLoggable(Level.FINEST)) {
_logger.log(Level.FINEST, "Parsing string to properties: {0}", ex.getMessage());
}
return null;
}
// cleanup trailing whitespace in value
for (java.util.Enumeration propKeys = p.propertyNames();
propKeys.hasMoreElements();) {
String tmpKey = (String)propKeys.nextElement();
String tmpValue = p.getProperty(tmpKey);
// Trim spaces
tmpValue = tmpValue.trim();
// Quoted string.
if (tmpValue.length() > 1 && tmpValue.startsWith("\"")
&& tmpValue.endsWith("\"")) {
tmpValue = tmpValue.substring(1,tmpValue.length()-1);
}
prop.put(tmpKey, tmpValue);
}
if (_logger.isLoggable(Level.FINEST)) {
_logger.log(Level.FINEST, "Parsing string to properties: {0}size:{1}", new Object[]{prop, prop.size()});
}
return prop;
}
}
