/**
* Create MBean for Object. Attempts to create an MBean for the object by searching the package
* and class name space. For example an object of the type
*
* <PRE>
* class com.acme.MyClass extends com.acme.util.BaseClass
* </PRE>
*
* Then this method would look for the following classes:
*
* <UL>
* <LI>com.acme.MyClassMBean
* <LI>com.acme.jmx.MyClassMBean
* <LI>com.acme.util.BaseClassMBean
* <LI>com.acme.util.jmx.BaseClassMBean
* </UL>
*
* @param o The object
* @return A new instance of an MBean for the object or null.
*/
public static ModelMBean mbeanFor(Object o) {
try {
Class oClass = o.getClass();
ClassLoader loader = oClass.getClassLoader();
ModelMBean mbean = null;
boolean jmx = false;
Class[] interfaces = null;
int i = 0;
while (mbean == null && oClass != null) {
Class focus = interfaces == null ? oClass : interfaces[i];
String pName = focus.getPackage().getName();
String cName = focus.getName().substring(pName.length() + 1);
String mName = pName + (jmx ? ".jmx." : ".") + cName + "MBean";
try {
Class mClass = loader.loadClass(mName);
if (log.isTraceEnabled()) log.trace("mbeanFor " + o + " mClass=" + mClass);
mbean = (ModelMBean) mClass.newInstance();
mbean.setManagedResource(o, "objectReference");
if (log.isDebugEnabled()) log.debug("mbeanFor " + o + " is " + mbean);
return mbean;
} catch (ClassNotFoundException e) {
if (e.toString().endsWith("MBean")) {
if (log.isTraceEnabled()) log.trace(e.toString());
} else log.warn(LogSupport.EXCEPTION, e);
} catch (Error e) {
log.warn(LogSupport.EXCEPTION, e);
mbean = null;
} catch (Exception e) {
log.warn(LogSupport.EXCEPTION, e);
mbean = null;
}
if (jmx) {
if (interfaces != null) {
i++;
if (i >= interfaces.length) {
interfaces = null;
oClass = oClass.getSuperclass();
}
} else {
interfaces = oClass.getInterfaces();
i = 0;
if (interfaces == null || interfaces.length == 0) {
interfaces = null;
oClass = oClass.getSuperclass();
}
}
}
jmx = !jmx;
}
} catch (Exception e) {
LogSupport.ignore(log, e);
}
return null;
}
// get drivername, user, pw & server, and return connection id
public void serve(InputStream i, OutputStream o) throws IOException {
// TODOServiceList.getSingleInstance();
initialize();
NameListMessage nameListMessage = null;
try {
// read input to know which target panel is required
ObjectInputStream input = new ObjectInputStream(i);
nameListMessage = (NameListMessage) input.readObject();
// parse the required panel
parseSqlFile(nameListMessage);
} catch (ClassNotFoundException ex) {
if (Debug.isDebug()) ex.printStackTrace();
nameListMessage.errorMessage = ex.toString();
}
// send object to the caller
ObjectOutputStream output = new ObjectOutputStream(o);
output.writeObject(nameListMessage);
// end socket connection
o.close();
i.close();
}
public void readFields(DataInput in) throws IOException {
String className = UTF8.readString(in);
declaredClass = PRIMITIVE_NAMES.get(className);
if (declaredClass == null) {
try {
declaredClass = getConf().getClassByName(className);
} catch (ClassNotFoundException e) {
throw new RuntimeException(e.toString());
}
}
}
private static Object readRealObject(byte type, InputStream is, ClassLoader loader)
throws IOException {
try {
if (type == 0) {
return PDataStream.readUTF(is);
} else if (type == 1) {
return new Integer(PDataStream.readInt(is));
} else if (type == 2) {
return new Long(PDataStream.readLong(is));
} else if (type == 3) {
return new Byte((byte) is.read());
} else if (type == 4) {
return PDataStream.readBoolean(is) ? Boolean.TRUE : Boolean.FALSE;
} else if (type == 5) {
return new Character(PDataStream.readChar(is));
} else if (type == 6) {
return new Short(PDataStream.readShort(is));
} else if (type == 7) {
return new Float(PDataStream.readFloat(is));
} else if (type == 8) {
return new Double(PDataStream.readDouble(is));
} else if (type == 11) {
String name = PDataStream.readUTF(is);
Class c = loader == null ? Class.forName(name) : loader.loadClass(name);
if (Externalizable.class.isAssignableFrom(c)) {
Externalizable obj = (Externalizable) c.newInstance();
obj.readObject(is);
return obj;
}
throw new IOException("Could not read object " + name);
} else if (type == 12) {
ObjectInputStream in =
loader == null
? new ObjectInputStream(is)
: (ObjectInputStream) new XObjectInputStream(loader, is);
return in.readObject();
}
} catch (ClassNotFoundException cnfe) {
throw new IOException("Could not find class " + cnfe.toString());
} catch (Exception exc) {
throw exc instanceof IOException
? (IOException) exc
: new IOException("Could not read object " + exc.toString());
}
throw new IllegalArgumentException("Unsupported Typed Object: " + type);
}
/*
* This test creates an object and registers it with a unit of work. It then serializes that
* object and deserializes it. Adds an object onto the origional then performs serialization
* sequence again. Then deepMergeClone is attempted and the results are compared to verify that
* the merge worked.
*/
public void test() {
try {
ByteArrayOutputStream byteStream = new ByteArrayOutputStream();
ObjectOutputStream stream = new ObjectOutputStream(byteStream);
// create the phoneNumber object
Session session = getSession();
UnitOfWork uow = session.acquireUnitOfWork();
this.deptObject =
(Dept)
session.readObject(
Dept.class,
new org.eclipse.persistence.expressions.ExpressionBuilder()
.get("deptno")
.equal(5.0));
Dept deptClone = (Dept) uow.registerObject(this.deptObject);
// force instantiations of value holders before serialization
deptClone.getEmpCollection().size();
Emp empClone = null;
if ((deptClone.getEmpCollection() != null) && (deptClone.getEmpCollection().size() > 1)) {
empClone = (Emp) deptClone.getEmpCollection().iterator().next();
deptClone.getEmpCollection().remove(empClone);
empClone.setDeptno(null);
}
// serialize object by writing to a stream
stream.writeObject(deptClone);
stream.writeObject(empClone);
stream.flush();
byte[] arr = byteStream.toByteArray();
ByteArrayInputStream inByteStream = new ByteArrayInputStream(arr);
ObjectInputStream inObjStream = new ObjectInputStream(inByteStream);
Dept deserialDept;
Emp deserialEmp = null;
// deserialize the object
try {
deserialDept = (Dept) inObjStream.readObject();
deserialEmp = (Emp) inObjStream.readObject();
} catch (ClassNotFoundException e) {
throw new TestErrorException("Could not deserialize object " + e.toString());
}
// add a new manager, test 1-m's
/* if (deserialDept.getEmpCollection() != null && deserialDept.getEmpCollection().size() > 1) {
deserialEmp = (Emp)deserialDept.getEmpCollection().iterator().next();
deserialDept.getEmpCollection().remove(deserialEmp);
deserialEmp.setDeptno(null);
}
*/
deserialDept.getEmpCollection().add(deserialEmp);
deserialEmp.setDeptno(deserialDept);
int collectionSize = deserialDept.getEmpCollection().size();
byteStream = new ByteArrayOutputStream();
stream = new ObjectOutputStream(byteStream);
// send the ammended object back through the serialization process
stream.writeObject(deserialDept);
stream.flush();
arr = byteStream.toByteArray();
inByteStream = new ByteArrayInputStream(arr);
inObjStream = new ObjectInputStream(inByteStream);
try {
deserialDept = (Dept) inObjStream.readObject();
} catch (ClassNotFoundException e) {
throw new TestErrorException("Could not deserialize object " + e.toString());
}
// merge the ammended clone with the unit of work
deptClone = (Dept) uow.deepMergeClone(deserialDept);
if (deptClone.getEmpCollection().size() != collectionSize) {
throw new TestErrorException("Failed to merge the collection correctly not enough Emps");
}
for (Iterator iterator = deptClone.getEmpCollection().iterator(); iterator.hasNext(); ) {
Emp emp = (Emp) iterator.next();
if (emp.getDeptno() != deptClone) {
throw new TestErrorException("Failed to merge the back pointer");
}
}
uow.commit();
} catch (IOException e) {
throw new TestErrorException("Error running Test " + e.toString());
}
}
public Properties parseURL(String url, Properties defaults) throws java.sql.SQLException {
Properties urlProps = (defaults != null) ? new Properties(defaults) : new Properties();
if (url == null) {
return null;
}
if (!StringUtils.startsWithIgnoreCase(url, URL_PREFIX)
&& !StringUtils.startsWithIgnoreCase(url, MXJ_URL_PREFIX)
&& !StringUtils.startsWithIgnoreCase(url, LOADBALANCE_URL_PREFIX)
&& !StringUtils.startsWithIgnoreCase(url, REPLICATION_URL_PREFIX)) { // $NON-NLS-1$
return null;
}
int beginningOfSlashes = url.indexOf("//");
if (StringUtils.startsWithIgnoreCase(url, MXJ_URL_PREFIX)) {
urlProps.setProperty(
"socketFactory", "com.mysql.management.driverlaunched.ServerLauncherSocketFactory");
}
/*
* Parse parameters after the ? in the URL and remove them from the
* original URL.
*/
int index = url.indexOf("?"); // $NON-NLS-1$
if (index != -1) {
String paramString = url.substring(index + 1, url.length());
url = url.substring(0, index);
StringTokenizer queryParams = new StringTokenizer(paramString, "&"); // $NON-NLS-1$
while (queryParams.hasMoreTokens()) {
String parameterValuePair = queryParams.nextToken();
int indexOfEquals = StringUtils.indexOfIgnoreCase(0, parameterValuePair, "=");
String parameter = null;
String value = null;
if (indexOfEquals != -1) {
parameter = parameterValuePair.substring(0, indexOfEquals);
if (indexOfEquals + 1 < parameterValuePair.length()) {
value = parameterValuePair.substring(indexOfEquals + 1);
}
}
if ((value != null && value.length() > 0)
&& (parameter != null && parameter.length() > 0)) {
try {
urlProps.put(parameter, URLDecoder.decode(value, "UTF-8"));
} catch (UnsupportedEncodingException badEncoding) {
// punt
urlProps.put(parameter, URLDecoder.decode(value));
} catch (NoSuchMethodError nsme) {
// punt again
urlProps.put(parameter, URLDecoder.decode(value));
}
}
}
}
url = url.substring(beginningOfSlashes + 2);
String hostStuff = null;
int slashIndex = url.indexOf("/"); // $NON-NLS-1$
if (slashIndex != -1) {
hostStuff = url.substring(0, slashIndex);
if ((slashIndex + 1) < url.length()) {
urlProps.put(
DBNAME_PROPERTY_KEY, //$NON-NLS-1$
url.substring((slashIndex + 1), url.length()));
}
} else {
hostStuff = url;
}
if ((hostStuff != null) && (hostStuff.length() > 0)) {
urlProps.put(HOST_PROPERTY_KEY, hostStuff); // $NON-NLS-1$
}
String propertiesTransformClassName = urlProps.getProperty(PROPERTIES_TRANSFORM_KEY);
if (propertiesTransformClassName != null) {
try {
ConnectionPropertiesTransform propTransformer =
(ConnectionPropertiesTransform)
Class.forName(propertiesTransformClassName).newInstance();
urlProps = propTransformer.transformProperties(urlProps);
} catch (InstantiationException e) {
throw SQLError.createSQLException(
"Unable to create properties transform instance '"
+ propertiesTransformClassName
+ "' due to underlying exception: "
+ e.toString(),
SQLError.SQL_STATE_INVALID_CONNECTION_ATTRIBUTE);
} catch (IllegalAccessException e) {
throw SQLError.createSQLException(
"Unable to create properties transform instance '"
+ propertiesTransformClassName
+ "' due to underlying exception: "
+ e.toString(),
SQLError.SQL_STATE_INVALID_CONNECTION_ATTRIBUTE);
} catch (ClassNotFoundException e) {
throw SQLError.createSQLException(
"Unable to create properties transform instance '"
+ propertiesTransformClassName
+ "' due to underlying exception: "
+ e.toString(),
SQLError.SQL_STATE_INVALID_CONNECTION_ATTRIBUTE);
}
}
if (Util.isColdFusion()
&& urlProps.getProperty("autoConfigureForColdFusion", "true").equalsIgnoreCase("true")) {
String configs = urlProps.getProperty(USE_CONFIG_PROPERTY_KEY);
StringBuffer newConfigs = new StringBuffer();
if (configs != null) {
newConfigs.append(configs);
newConfigs.append(",");
}
newConfigs.append("coldFusion");
urlProps.setProperty(USE_CONFIG_PROPERTY_KEY, newConfigs.toString());
}
// If we use a config, it actually should get overridden by anything in
// the URL or passed-in properties
String configNames = null;
if (defaults != null) {
configNames = defaults.getProperty(USE_CONFIG_PROPERTY_KEY);
}
if (configNames == null) {
configNames = urlProps.getProperty(USE_CONFIG_PROPERTY_KEY);
}
if (configNames != null) {
List splitNames = StringUtils.split(configNames, ",", true);
Properties configProps = new Properties();
Iterator namesIter = splitNames.iterator();
while (namesIter.hasNext()) {
String configName = (String) namesIter.next();
try {
InputStream configAsStream =
getClass().getResourceAsStream("configs/" + configName + ".properties");
if (configAsStream == null) {
throw SQLError.createSQLException(
"Can't find configuration template named '" + configName + "'",
SQLError.SQL_STATE_INVALID_CONNECTION_ATTRIBUTE);
}
configProps.load(configAsStream);
} catch (IOException ioEx) {
throw SQLError.createSQLException(
"Unable to load configuration template '"
+ configName
+ "' due to underlying IOException: "
+ ioEx,
SQLError.SQL_STATE_INVALID_CONNECTION_ATTRIBUTE);
}
}
Iterator propsIter = urlProps.keySet().iterator();
while (propsIter.hasNext()) {
String key = propsIter.next().toString();
String property = urlProps.getProperty(key);
configProps.setProperty(key, property);
}
urlProps = configProps;
}
// Properties passed in should override ones in URL
if (defaults != null) {
Iterator propsIter = defaults.keySet().iterator();
while (propsIter.hasNext()) {
String key = propsIter.next().toString();
String property = defaults.getProperty(key);
urlProps.setProperty(key, property);
}
}
return urlProps;
}
