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package com.sun.enterprise.connectors.util;
import com.sun.appserv.connectors.internal.api.ConnectorRuntimeException;
import com.sun.appserv.connectors.internal.api.ConnectorsUtil;
import java.lang.reflect.Method;
import java.net.MalformedURLException;
import java.util.*;
import java.util.logging.Level;
import java.util.logging.Logger;
import com.sun.enterprise.connectors.ConnectorRuntime;
import com.sun.enterprise.deployment.EjbMessageBeanDescriptor;
import com.sun.enterprise.deployment.EnvironmentProperty;
import com.sun.logging.LogDomains;
import com.sun.enterprise.util.i18n.StringManager;
import java.io.File;
import java.io.IOException;
import java.net.URL;
import java.net.URLClassLoader;
/**
* This is a utility class to obtain the properties of a
* RA JavaBean housed in a RAR module/deployment dir, without exploding the RAR
* contents. This method would be used by the admin-gui to configure
* RA properties during RA deployment to a cluster.
*
* @author Sivakumar Thyagarajan
*/
public class RARUtils {
private final static Logger _logger = LogDomains.getLogger(RARUtils.class, LogDomains.RSR_LOGGER);
private static StringManager localStrings =
StringManager.getManager( RARUtils.class );
/**
* Finds the properties of a RA JavaBean bundled in a RAR
* without exploding the RAR
*
* @param pathToDeployableUnit a physical,accessible location of the connector module.
* [either a RAR for RAR-based deployments or a directory for Directory based deployments]
* @return A Map that is of <String RAJavaBeanPropertyName, String defaultPropertyValue>
* An empty map is returned in the case of a 1.0 RAR
*/
/* TODO V3
public static Map getRABeanProperties (String pathToDeployableUnit) throws ConnectorRuntimeException {
File f = new File(pathToDeployableUnit);
if (!f.exists()){
String i18nMsg = localStrings.getString(
"rar_archive_not_found", pathToDeployableUnit);
throw new ConnectorRuntimeException( i18nMsg );
}
if(f.isDirectory()) {
return getRABeanPropertiesForDirectoryBasedDeployment(pathToDeployableUnit);
} else {
return getRABeanPropertiesForRARBasedDeployment(pathToDeployableUnit);
}
}
*/
/*
private static Map getRABeanPropertiesForRARBasedDeployment(String rarLocation){
ConnectorRARClassLoader jarCL =
(new ConnectorRARClassLoader(rarLocation,
ApplicationServer.getServerContext().getCommonClassLoader()));
String raClassName = ConnectorDDTransformUtils.
getResourceAdapterClassName(rarLocation);
_logger.finer("RA class : " + raClassName);
Map hMap = new HashMap();
try {
hMap = extractRABeanProps(raClassName, jarCL);
} catch (ClassNotFoundException e) {
_logger.info(e.getMessage());
_logger.log(Level.FINE, "Error while trying to find class "
+ raClassName + "in RAR at " + rarLocation, e);
}
return hMap;
}
*/
/*
private static Map getRABeanPropertiesForDirectoryBasedDeployment(
String directoryLocation) {
Map hMap = new HashMap();
//Use the deployment APIs to get the name of the resourceadapter
//class through the connector descriptor
try {
ConnectorDescriptor cd = ConnectorDDTransformUtils.
getConnectorDescriptor(directoryLocation);
String raClassName = cd.getResourceAdapterClass();
File f = new File(directoryLocation);
URLClassLoader ucl = new URLClassLoader(new URL[]{f.toURI().toURL()},
ApplicationServer.getServerContext().getCommonClassLoader());
hMap = extractRABeanProps(raClassName, ucl);
} catch (IOException e) {
_logger.info(e.getMessage());
_logger.log(Level.FINE, "IO Error while trying to read connector" +
"descriptor to get resource-adapter properties", e);
} catch (ClassNotFoundException e) {
_logger.info(e.getMessage());
_logger.log(Level.FINE, "Unable to find class while trying to read connector" +
"descriptor to get resource-adapter properties", e);
} catch (ConnectorRuntimeException e) {
_logger.info(e.getMessage());
_logger.log(Level.FINE, "Error while trying to read connector" +
"descriptor to get resource-adapter properties", e);
} catch (Exception e) {
_logger.info(e.getMessage());
_logger.log(Level.FINE, "Error while trying to read connector" +
"descriptor to get resource-adapter properties", e);
}
return hMap;
}
*/
/**
* A valid resource adapter java bean property should either be one of the
* following
* 1. A Java primitive or a primitve wrapper
* 2. A String
*/
public static boolean isValidRABeanConfigProperty(Class clz) {
return (clz.isPrimitive() || clz.equals(String.class)
|| isPrimitiveWrapper(clz));
}
/**
* Determines if a class is one of the eight java primitive wrapper classes
*/
private static boolean isPrimitiveWrapper(Class clz) {
return (clz.equals(Boolean.class) || clz.equals(Character.class)
|| clz.equals(Byte.class) || clz.equals(Short.class)
|| clz.equals(Integer.class) || clz.equals(Long.class)
|| clz.equals(Float.class) || clz.equals(Double.class));
}
/**
* Prepares the name/value pairs for ActivationSpec. <p>
* Rule: <p>
* 1. The name/value pairs are the union of activation-config on
* standard DD (message-driven) and runtime DD (mdb-resource-adapter)
* 2. If there are duplicate property settings, the value in runtime
* activation-config will overwrite the one in the standard
* activation-config.
*/
public static Set getMergedActivationConfigProperties(EjbMessageBeanDescriptor msgDesc) {
Set mergedProps = new HashSet();
Set runtimePropNames = new HashSet();
Set runtimeProps = msgDesc.getRuntimeActivationConfigProperties();
if(runtimeProps != null){
Iterator iter = runtimeProps.iterator();
while (iter.hasNext()) {
EnvironmentProperty entry = (EnvironmentProperty) iter.next();
mergedProps.add(entry);
String propName = (String) entry.getName();
runtimePropNames.add(propName);
}
}
Set standardProps = msgDesc.getActivationConfigProperties();
if(standardProps != null){
Iterator iter = standardProps.iterator();
while (iter.hasNext()) {
EnvironmentProperty entry = (EnvironmentProperty) iter.next();
String propName = (String) entry.getName();
if (runtimePropNames.contains(propName))
continue;
mergedProps.add(entry);
}
}
return mergedProps;
}
public static Class loadClassFromRar(String rarName, String beanClassName) throws ConnectorRuntimeException{
String rarLocation = getRarLocation(rarName);
return loadClass(rarLocation, beanClassName);
}
/**
* given the rar name, location of rar will be returned
* @param rarName resource-adapter name
* @return location of resource-adapter
*/
private static String getRarLocation(String rarName) throws ConnectorRuntimeException{
return ConnectorsUtil.getLocation(rarName);
}
/**
* given the location of .rar (archive / exploded dir), the specified class will be loaded
* @param pathToDeployableUnit location of .rar (archive / exploded dir)
* @param beanClassName class that has to be loaded
* @return loaded class
* @throws ConnectorRuntimeException when unable to load the class
*/
private static Class loadClass(String pathToDeployableUnit, String beanClassName) throws ConnectorRuntimeException {
Class cls = null;
ClassLoader cl = getClassLoader(pathToDeployableUnit);
try {
//Only if RA is a 1.5 RAR, we need to get RA JavaBean properties, else
//return an empty map.
if (beanClassName != null && beanClassName.trim().length() != 0) {
cls = cl.loadClass(beanClassName);
}
return cls;
} catch (ClassNotFoundException e) {
_logger.info(e.getMessage());
if(_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE, "Unable to find class while trying to read connector" +
"descriptor to get resource-adapter properties", e);
}
ConnectorRuntimeException cre = new ConnectorRuntimeException("unable to find class : " + beanClassName);
cre.setStackTrace(e.getStackTrace());
throw cre;
}
}
/**
* based on the provided file type (dir or archive) appropriate class-loader will be selected
* @param file file (dir/ archive)
* @return classloader that is capable of loading the .rar
* @throws ConnectorRuntimeException when unable to load the .rar
*/
private static ClassLoader getClassLoader(String file) throws ConnectorRuntimeException {
ClassLoader cl = null;
File f = new File(file);
validateRARLocation(f);
try {
ClassLoader commonClassLoader =
ConnectorRuntime.getRuntime().getClassLoaderHierarchy().getCommonClassLoader();
if (f.isDirectory()) {
List<URL> urls = new ArrayList<URL>();
urls.add(f.toURI().toURL());
appendURLs(urls, f);
cl = new URLClassLoader(urls.toArray(new URL[urls.size()]), commonClassLoader);
} else {
cl = new ConnectorRARClassLoader(file, commonClassLoader);
}
return cl;
} catch (IOException ioe) {
_logger.info(ioe.getMessage());
if (_logger.isLoggable(Level.FINE)) {
_logger.log(Level.FINE, "IO Error while trying to read connector"
+ "descriptor to get resource-adapter properties", ioe);
}
ConnectorRuntimeException cre = new ConnectorRuntimeException(
"unable to read connector descriptor from : " + file);
cre.setStackTrace(ioe.getStackTrace());
throw cre;
}
}
private static void appendURLs(List<URL> urls, File f) throws MalformedURLException {
for (File file : f.listFiles()) {
if (file.getName().toUpperCase(Locale.getDefault()).endsWith(".JAR")) {
urls.add(file.toURI().toURL());
} else if (file.isDirectory()) {
appendURLs(urls, file);
}
}
}
/**
* check whether the provided location is valid
* @param f location where the .rar is present
* @throws ConnectorRuntimeException
*/
private static void validateRARLocation(File f) throws ConnectorRuntimeException {
if (!f.exists()) {
String i18nMsg = localStrings.getString(
"rar_archive_not_found", f);
throw new ConnectorRuntimeException(i18nMsg);
}
}
}