public class JavaBeanReferenceMaker implements ReferenceMaker {
private static final MLogger logger = MLog.getLogger(JavaBeanReferenceMaker.class);
static final String REF_PROPS_KEY = "com.mchange.v2.naming.JavaBeanReferenceMaker.REF_PROPS_KEY";
static final Object[] EMPTY_ARGS = new Object[0];
static final byte[] NULL_TOKEN_BYTES = new byte[0];
String factoryClassName = "com.mchange.v2.naming.JavaBeanObjectFactory";
String defaultFactoryClassLocation = null;
Set referenceProperties = new HashSet();
ReferenceIndirector indirector = new ReferenceIndirector();
public Hashtable getEnvironmentProperties() {
return indirector.getEnvironmentProperties();
}
public void setEnvironmentProperties(Hashtable environmentProperties) {
indirector.setEnvironmentProperties(environmentProperties);
}
public void setFactoryClassName(String factoryClassName) {
this.factoryClassName = factoryClassName;
}
public String getFactoryClassName() {
return factoryClassName;
}
public String getDefaultFactoryClassLocation() {
return defaultFactoryClassLocation;
}
public void setDefaultFactoryClassLocation(String defaultFactoryClassLocation) {
this.defaultFactoryClassLocation = defaultFactoryClassLocation;
}
public void addReferenceProperty(String propName) {
referenceProperties.add(propName);
}
public void removeReferenceProperty(String propName) {
referenceProperties.remove(propName);
}
public Reference createReference(Object bean) throws NamingException {
try {
BeanInfo bi = Introspector.getBeanInfo(bean.getClass());
PropertyDescriptor[] pds = bi.getPropertyDescriptors();
List refAddrs = new ArrayList();
String factoryClassLocation = defaultFactoryClassLocation;
boolean using_ref_props = referenceProperties.size() > 0;
// we only include this so that on dereference we are not surprised to find some properties
// missing
if (using_ref_props)
refAddrs.add(
new BinaryRefAddr(REF_PROPS_KEY, SerializableUtils.toByteArray(referenceProperties)));
for (int i = 0, len = pds.length; i < len; ++i) {
PropertyDescriptor pd = pds[i];
String propertyName = pd.getName();
// System.err.println("Making Reference: " + propertyName);
if (using_ref_props && !referenceProperties.contains(propertyName)) {
// System.err.println("Not a ref_prop -- continuing.");
continue;
}
Class propertyType = pd.getPropertyType();
Method getter = pd.getReadMethod();
Method setter = pd.getWriteMethod();
if (getter != null
&& setter != null) // only use properties that are both readable and writable
{
Object val = getter.invoke(bean, EMPTY_ARGS);
// System.err.println( "val: " + val );
if (propertyName.equals("factoryClassLocation")) {
if (String.class != propertyType)
throw new NamingException(
this.getClass().getName()
+ " requires a factoryClassLocation property to be a string, "
+ propertyType.getName()
+ " is not valid.");
factoryClassLocation = (String) val;
}
if (val == null) {
RefAddr addMe = new BinaryRefAddr(propertyName, NULL_TOKEN_BYTES);
refAddrs.add(addMe);
} else if (Coerce.canCoerce(propertyType)) {
RefAddr addMe = new StringRefAddr(propertyName, String.valueOf(val));
refAddrs.add(addMe);
} else // other Object properties
{
RefAddr addMe = null;
PropertyEditor pe = BeansUtils.findPropertyEditor(pd);
if (pe != null) {
pe.setValue(val);
String textValue = pe.getAsText();
if (textValue != null) addMe = new StringRefAddr(propertyName, textValue);
}
if (addMe == null) // property editor approach failed
addMe =
new BinaryRefAddr(
propertyName,
SerializableUtils.toByteArray(
val, indirector, IndirectPolicy.INDIRECT_ON_EXCEPTION));
refAddrs.add(addMe);
}
} else {
// System.err.println(this.getClass().getName() +
// ": Skipping " + propertyName + " because it is " + (setter == null ?
// "read-only." : "write-only."));
if (logger.isLoggable(MLevel.WARNING))
logger.warning(
this.getClass().getName()
+ ": Skipping "
+ propertyName
+ " because it is "
+ (setter == null ? "read-only." : "write-only."));
}
}
Reference out =
new Reference(bean.getClass().getName(), factoryClassName, factoryClassLocation);
for (Iterator ii = refAddrs.iterator(); ii.hasNext(); ) out.add((RefAddr) ii.next());
return out;
} catch (Exception e) {
// e.printStackTrace();
if (Debug.DEBUG && logger.isLoggable(MLevel.FINE))
logger.log(MLevel.FINE, "Exception trying to create Reference.", e);
throw new NamingException("Could not create reference from bean: " + e.toString());
}
}
}
public abstract class AbstractPoolBackedDataSource extends PoolBackedDataSourceBase
implements PooledDataSource {
static final MLogger logger = MLog.getLogger(AbstractPoolBackedDataSource.class);
static final String NO_CPDS_ERR_MSG =
"Attempted to use an uninitialized PoolBackedDataSource. "
+ "Please call setConnectionPoolDataSource( ... ) to initialize.";
// MT: protected by this' lock
transient C3P0PooledConnectionPoolManager poolManager;
transient boolean is_closed = false;
// MT: end protected by this' lock
protected AbstractPoolBackedDataSource(boolean autoregister) {
super(autoregister);
setUpPropertyEvents();
}
protected AbstractPoolBackedDataSource(String configName) {
this(true);
initializeNamedConfig(configName);
}
private void setUpPropertyEvents() {
PropertyChangeListener l =
new PropertyChangeListener() {
public void propertyChange(PropertyChangeEvent evt) {
resetPoolManager();
}
};
this.addPropertyChangeListener(l);
}
protected void initializeNamedConfig(String configName) {
try {
if (configName != null) {
C3P0Config.bindNamedConfigToBean(this, configName);
if (this.getDataSourceName()
.equals(this.getIdentityToken())) // dataSourceName has not been specified in config
this.setDataSourceName(configName);
}
} catch (Exception e) {
if (logger.isLoggable(MLevel.WARNING))
logger.log(
MLevel.WARNING,
"Error binding PoolBackedDataSource to named-config '"
+ configName
+ "'. Some default-config values may be used.",
e);
}
}
// Commented out method is just super.getReference() with a lot of extra printing
// public javax.naming.Reference getReference() throws javax.naming.NamingException
// {
// System.err.println("getReference()!!!!");
// new Exception("PRINT-STACK-TRACE").printStackTrace();
// javax.naming.Reference out = super.getReference();
// System.err.println(out);
// return out;
// }
// report our ID token as dataSourceName if we have no
// name explicitly set
public String getDataSourceName() {
String out = super.getDataSourceName();
if (out == null) out = this.getIdentityToken();
return out;
}
// implementation of javax.sql.DataSource
public Connection getConnection() throws SQLException {
PooledConnection pc = getPoolManager().getPool().checkoutPooledConnection();
return pc.getConnection();
}
public Connection getConnection(String username, String password) throws SQLException {
PooledConnection pc = getPoolManager().getPool(username, password).checkoutPooledConnection();
return pc.getConnection();
}
public PrintWriter getLogWriter() throws SQLException {
return assertCpds().getLogWriter();
}
public void setLogWriter(PrintWriter out) throws SQLException {
assertCpds().setLogWriter(out);
}
public int getLoginTimeout() throws SQLException {
return assertCpds().getLoginTimeout();
}
public void setLoginTimeout(int seconds) throws SQLException {
assertCpds().setLoginTimeout(seconds);
}
// implementation of com.mchange.v2.c3p0.PoolingDataSource
public int getNumConnections() throws SQLException {
return getPoolManager().getPool().getNumConnections();
}
public int getNumIdleConnections() throws SQLException {
return getPoolManager().getPool().getNumIdleConnections();
}
public int getNumBusyConnections() throws SQLException {
return getPoolManager().getPool().getNumBusyConnections();
}
public int getNumUnclosedOrphanedConnections() throws SQLException {
return getPoolManager().getPool().getNumUnclosedOrphanedConnections();
}
public int getNumConnectionsDefaultUser() throws SQLException {
return getNumConnections();
}
public int getNumIdleConnectionsDefaultUser() throws SQLException {
return getNumIdleConnections();
}
public int getNumBusyConnectionsDefaultUser() throws SQLException {
return getNumBusyConnections();
}
public int getNumUnclosedOrphanedConnectionsDefaultUser() throws SQLException {
return getNumUnclosedOrphanedConnections();
}
public int getStatementCacheNumStatementsDefaultUser() throws SQLException {
return getPoolManager().getPool().getStatementCacheNumStatements();
}
public int getStatementCacheNumCheckedOutDefaultUser() throws SQLException {
return getPoolManager().getPool().getStatementCacheNumCheckedOut();
}
public int getStatementCacheNumConnectionsWithCachedStatementsDefaultUser() throws SQLException {
return getPoolManager().getPool().getStatementCacheNumConnectionsWithCachedStatements();
}
public float getEffectivePropertyCycleDefaultUser() throws SQLException {
return getPoolManager().getPool().getEffectivePropertyCycle();
}
public long getStartTimeMillisDefaultUser() throws SQLException {
return getPoolManager().getPool().getStartTime();
}
public long getUpTimeMillisDefaultUser() throws SQLException {
return getPoolManager().getPool().getUpTime();
}
public long getNumFailedCheckinsDefaultUser() throws SQLException {
return getPoolManager().getPool().getNumFailedCheckins();
}
public long getNumFailedCheckoutsDefaultUser() throws SQLException {
return getPoolManager().getPool().getNumFailedCheckouts();
}
public long getNumFailedIdleTestsDefaultUser() throws SQLException {
return getPoolManager().getPool().getNumFailedIdleTests();
}
public int getNumThreadsAwaitingCheckoutDefaultUser() throws SQLException {
return getPoolManager().getPool().getNumThreadsAwaitingCheckout();
}
public int getThreadPoolSize() throws SQLException {
return getPoolManager().getThreadPoolSize();
}
public int getThreadPoolNumActiveThreads() throws SQLException {
return getPoolManager().getThreadPoolNumActiveThreads();
}
public int getThreadPoolNumIdleThreads() throws SQLException {
return getPoolManager().getThreadPoolNumIdleThreads();
}
public int getThreadPoolNumTasksPending() throws SQLException {
return getPoolManager().getThreadPoolNumTasksPending();
}
public String sampleThreadPoolStackTraces() throws SQLException {
return getPoolManager().getThreadPoolStackTraces();
}
public String sampleThreadPoolStatus() throws SQLException {
return getPoolManager().getThreadPoolStatus();
}
public String sampleStatementCacheStatusDefaultUser() throws SQLException {
return getPoolManager().getPool().dumpStatementCacheStatus();
}
public String sampleStatementCacheStatus(String username, String password) throws SQLException {
return assertAuthPool(username, password).dumpStatementCacheStatus();
}
public Throwable getLastAcquisitionFailureDefaultUser() throws SQLException {
return getPoolManager().getPool().getLastAcquisitionFailure();
}
public Throwable getLastCheckinFailureDefaultUser() throws SQLException {
return getPoolManager().getPool().getLastCheckinFailure();
}
public Throwable getLastCheckoutFailureDefaultUser() throws SQLException {
return getPoolManager().getPool().getLastCheckoutFailure();
}
public Throwable getLastIdleTestFailureDefaultUser() throws SQLException {
return getPoolManager().getPool().getLastIdleTestFailure();
}
public Throwable getLastConnectionTestFailureDefaultUser() throws SQLException {
return getPoolManager().getPool().getLastConnectionTestFailure();
}
public Throwable getLastAcquisitionFailure(String username, String password) throws SQLException {
return assertAuthPool(username, password).getLastAcquisitionFailure();
}
public Throwable getLastCheckinFailure(String username, String password) throws SQLException {
return assertAuthPool(username, password).getLastCheckinFailure();
}
public Throwable getLastCheckoutFailure(String username, String password) throws SQLException {
return assertAuthPool(username, password).getLastCheckoutFailure();
}
public Throwable getLastIdleTestFailure(String username, String password) throws SQLException {
return assertAuthPool(username, password).getLastIdleTestFailure();
}
public Throwable getLastConnectionTestFailure(String username, String password)
throws SQLException {
return assertAuthPool(username, password).getLastConnectionTestFailure();
}
public int getNumThreadsAwaitingCheckout(String username, String password) throws SQLException {
return assertAuthPool(username, password).getNumThreadsAwaitingCheckout();
}
public String sampleLastAcquisitionFailureStackTraceDefaultUser() throws SQLException {
Throwable t = getLastAcquisitionFailureDefaultUser();
return t == null ? null : ThrowableUtils.extractStackTrace(t);
}
public String sampleLastCheckinFailureStackTraceDefaultUser() throws SQLException {
Throwable t = getLastCheckinFailureDefaultUser();
return t == null ? null : ThrowableUtils.extractStackTrace(t);
}
public String sampleLastCheckoutFailureStackTraceDefaultUser() throws SQLException {
Throwable t = getLastCheckoutFailureDefaultUser();
return t == null ? null : ThrowableUtils.extractStackTrace(t);
}
public String sampleLastIdleTestFailureStackTraceDefaultUser() throws SQLException {
Throwable t = getLastIdleTestFailureDefaultUser();
return t == null ? null : ThrowableUtils.extractStackTrace(t);
}
public String sampleLastConnectionTestFailureStackTraceDefaultUser() throws SQLException {
Throwable t = getLastConnectionTestFailureDefaultUser();
return t == null ? null : ThrowableUtils.extractStackTrace(t);
}
public String sampleLastAcquisitionFailureStackTrace(String username, String password)
throws SQLException {
Throwable t = getLastAcquisitionFailure(username, password);
return t == null ? null : ThrowableUtils.extractStackTrace(t);
}
public String sampleLastCheckinFailureStackTrace(String username, String password)
throws SQLException {
Throwable t = getLastCheckinFailure(username, password);
return t == null ? null : ThrowableUtils.extractStackTrace(t);
}
public String sampleLastCheckoutFailureStackTrace(String username, String password)
throws SQLException {
Throwable t = getLastCheckoutFailure(username, password);
return t == null ? null : ThrowableUtils.extractStackTrace(t);
}
public String sampleLastIdleTestFailureStackTrace(String username, String password)
throws SQLException {
Throwable t = getLastIdleTestFailure(username, password);
return t == null ? null : ThrowableUtils.extractStackTrace(t);
}
public String sampleLastConnectionTestFailureStackTrace(String username, String password)
throws SQLException {
Throwable t = getLastConnectionTestFailure(username, password);
return t == null ? null : ThrowableUtils.extractStackTrace(t);
}
public void softResetDefaultUser() throws SQLException {
getPoolManager().getPool().reset();
}
public int getNumConnections(String username, String password) throws SQLException {
return assertAuthPool(username, password).getNumConnections();
}
public int getNumIdleConnections(String username, String password) throws SQLException {
return assertAuthPool(username, password).getNumIdleConnections();
}
public int getNumBusyConnections(String username, String password) throws SQLException {
return assertAuthPool(username, password).getNumBusyConnections();
}
public int getNumUnclosedOrphanedConnections(String username, String password)
throws SQLException {
return assertAuthPool(username, password).getNumUnclosedOrphanedConnections();
}
public int getStatementCacheNumStatements(String username, String password) throws SQLException {
return assertAuthPool(username, password).getStatementCacheNumStatements();
}
public int getStatementCacheNumCheckedOut(String username, String password) throws SQLException {
return assertAuthPool(username, password).getStatementCacheNumCheckedOut();
}
public int getStatementCacheNumConnectionsWithCachedStatements(String username, String password)
throws SQLException {
return assertAuthPool(username, password).getStatementCacheNumConnectionsWithCachedStatements();
}
public float getEffectivePropertyCycle(String username, String password) throws SQLException {
return assertAuthPool(username, password).getEffectivePropertyCycle();
}
public long getStartTimeMillis(String username, String password) throws SQLException {
return assertAuthPool(username, password).getStartTime();
}
public long getUpTimeMillis(String username, String password) throws SQLException {
return assertAuthPool(username, password).getUpTime();
}
public long getNumFailedCheckins(String username, String password) throws SQLException {
return assertAuthPool(username, password).getNumFailedCheckins();
}
public long getNumFailedCheckouts(String username, String password) throws SQLException {
return assertAuthPool(username, password).getNumFailedCheckouts();
}
public long getNumFailedIdleTests(String username, String password) throws SQLException {
return assertAuthPool(username, password).getNumFailedIdleTests();
}
public void softReset(String username, String password) throws SQLException {
assertAuthPool(username, password).reset();
}
public int getNumBusyConnectionsAllUsers() throws SQLException {
return getPoolManager().getNumBusyConnectionsAllAuths();
}
public int getNumIdleConnectionsAllUsers() throws SQLException {
return getPoolManager().getNumIdleConnectionsAllAuths();
}
public int getNumConnectionsAllUsers() throws SQLException {
return getPoolManager().getNumConnectionsAllAuths();
}
public int getNumUnclosedOrphanedConnectionsAllUsers() throws SQLException {
return getPoolManager().getNumUnclosedOrphanedConnectionsAllAuths();
}
public int getStatementCacheNumStatementsAllUsers() throws SQLException {
return getPoolManager().getStatementCacheNumStatementsAllUsers();
}
public int getStatementCacheNumCheckedOutStatementsAllUsers() throws SQLException {
return getPoolManager().getStatementCacheNumCheckedOutStatementsAllUsers();
}
public synchronized int getStatementCacheNumConnectionsWithCachedStatementsAllUsers()
throws SQLException {
return getPoolManager().getStatementCacheNumConnectionsWithCachedStatementsAllUsers();
}
public void softResetAllUsers() throws SQLException {
getPoolManager().softResetAllAuths();
}
public int getNumUserPools() throws SQLException {
return getPoolManager().getNumManagedAuths();
}
public Collection getAllUsers() throws SQLException {
LinkedList out = new LinkedList();
Set auths = getPoolManager().getManagedAuths();
for (Iterator ii = auths.iterator(); ii.hasNext(); ) out.add(((DbAuth) ii.next()).getUser());
return Collections.unmodifiableList(out);
}
public synchronized void hardReset() {
resetPoolManager();
}
public synchronized void close() {
resetPoolManager();
is_closed = true;
C3P0Registry.markClosed(this);
if (Debug.DEBUG && Debug.TRACE == Debug.TRACE_MAX && logger.isLoggable(MLevel.FINEST)) {
logger.log(
MLevel.FINEST,
this.getClass().getName()
+ '@'
+ Integer.toHexString(System.identityHashCode(this))
+ " has been closed. ",
new Exception("DEBUG STACK TRACE for PoolBackedDataSource.close()."));
}
}
/**
* @deprecated the force_destroy argument is now meaningless, as pools are no longer potentially
* shared between multiple DataSources.
*/
public void close(boolean force_destroy) {
close();
}
// other code
public synchronized void
resetPoolManager() // used by other, wrapping datasources in package, and in mbean package
{
resetPoolManager(true);
}
public synchronized void resetPoolManager(
boolean
close_checked_out_connections) // used by other, wrapping datasources in package, and in
// mbean package
{
if (poolManager != null) {
poolManager.close(close_checked_out_connections);
poolManager = null;
}
}
private synchronized ConnectionPoolDataSource assertCpds() throws SQLException {
if (is_closed) throw new SQLException(this + " has been closed() -- you can no longer use it.");
ConnectionPoolDataSource out = this.getConnectionPoolDataSource();
if (out == null) throw new SQLException(NO_CPDS_ERR_MSG);
return out;
}
private synchronized C3P0PooledConnectionPoolManager getPoolManager() throws SQLException {
if (poolManager == null) {
ConnectionPoolDataSource cpds = assertCpds();
poolManager =
new C3P0PooledConnectionPoolManager(
cpds, null, null, this.getNumHelperThreads(), this.getIdentityToken());
if (logger.isLoggable(MLevel.INFO))
logger.info(
"Initializing c3p0 pool... "
+ this.toString() /* + "; using pool manager: " + poolManager */);
}
return poolManager;
}
private C3P0PooledConnectionPool assertAuthPool(String username, String password)
throws SQLException {
C3P0PooledConnectionPool authPool = getPoolManager().getPool(username, password, false);
if (authPool == null)
throw new SQLException(
"No pool has been yet been established for Connections authenticated by user '"
+ username
+ "' with the password provided. [Use getConnection( username, password ) "
+ "to initialize such a pool.]");
else return authPool;
}
// serialization stuff -- set up bound/constrained property event handlers on deserialization
private static final long serialVersionUID = 1;
private static final short VERSION = 0x0001;
private void writeObject(ObjectOutputStream oos) throws IOException {
oos.writeShort(VERSION);
}
private void readObject(ObjectInputStream ois) throws IOException, ClassNotFoundException {
short version = ois.readShort();
switch (version) {
case VERSION:
setUpPropertyEvents();
break;
default:
throw new IOException("Unsupported Serialized Version: " + version);
}
}
}
public class DefaultC3P0ConfigFinder implements C3P0ConfigFinder {
static final String XML_CFG_FILE_KEY = "com.mchange.v2.c3p0.cfg.xml";
static final String CLASSLOADER_RESOURCE_PREFIX = "classloader:";
static final MLogger logger = MLog.getLogger(DefaultC3P0ConfigFinder.class);
final boolean warn_of_xml_overrides;
public DefaultC3P0ConfigFinder(boolean warn_of_xml_overrides) {
this.warn_of_xml_overrides = warn_of_xml_overrides;
}
public DefaultC3P0ConfigFinder() {
this(false);
}
public C3P0Config findConfig() throws Exception {
C3P0Config out;
HashMap flatDefaults = C3P0ConfigUtils.extractHardcodedC3P0Defaults();
// this includes System properties, but we have to check for System properties
// again, since we want system properties to override unspecified user, default-config
// properties in the XML
flatDefaults.putAll(C3P0ConfigUtils.extractC3P0PropertiesResources());
String cfgFile = C3P0Config.getPropsFileConfigProperty(XML_CFG_FILE_KEY);
if (cfgFile == null) {
C3P0Config xmlConfig = C3P0ConfigXmlUtils.extractXmlConfigFromDefaultResource();
if (xmlConfig != null) {
insertDefaultsUnderNascentConfig(flatDefaults, xmlConfig);
out = xmlConfig;
mbOverrideWarning("resource", C3P0ConfigXmlUtils.XML_CONFIG_RSRC_PATH);
} else out = C3P0ConfigUtils.configFromFlatDefaults(flatDefaults);
} else {
cfgFile = cfgFile.trim();
InputStream is = null;
try {
if (cfgFile.startsWith(CLASSLOADER_RESOURCE_PREFIX)) {
ClassLoader cl = this.getClass().getClassLoader();
String rsrcPath = cfgFile.substring(CLASSLOADER_RESOURCE_PREFIX.length());
// eliminate leading slash because ClassLoader.getResource
// is always absolute and does not expect a leading slash
if (rsrcPath.startsWith("/")) rsrcPath = rsrcPath.substring(1);
is = cl.getResourceAsStream(rsrcPath);
if (is == null)
throw new FileNotFoundException(
"Specified ClassLoader resource '"
+ rsrcPath
+ "' could not be found. "
+ "[ Found in configuration: "
+ XML_CFG_FILE_KEY
+ '='
+ cfgFile
+ " ]");
mbOverrideWarning("resource", rsrcPath);
} else {
is = new BufferedInputStream(new FileInputStream(cfgFile));
mbOverrideWarning("file", cfgFile);
}
C3P0Config xmlConfig = C3P0ConfigXmlUtils.extractXmlConfigFromInputStream(is);
insertDefaultsUnderNascentConfig(flatDefaults, xmlConfig);
out = xmlConfig;
} finally {
try {
if (is != null) is.close();
} catch (Exception e) {
e.printStackTrace();
}
}
}
// overwrite default, unspecified user config with System properties
// defined values
Properties sysPropConfig = C3P0ConfigUtils.findAllC3P0SystemProperties();
out.defaultConfig.props.putAll(sysPropConfig);
return out;
}
private void insertDefaultsUnderNascentConfig(HashMap flatDefaults, C3P0Config config) {
flatDefaults.putAll(config.defaultConfig.props);
config.defaultConfig.props = flatDefaults;
}
private void mbOverrideWarning(String srcType, String srcName) {
if (warn_of_xml_overrides && logger.isLoggable(MLevel.WARNING))
logger.log(
MLevel.WARNING,
"Configuation defined in "
+ srcType
+ "'"
+ srcName
+ "' overrides all other c3p0 config.");
}
}
