org.postgresql.util

Class Util

java.lang.Object

org.postgresql.util.Util

public class Util
extends Object

Constructor Summary

Constructors

Constructor and Description
Util()

Method Summary

Modifier and Type	Method and Description
static Class<?>[]	getImplementedInterfaces(Class<?> clazz) Get the Class objects corresponding to the interfaces implemented by the given class.
static String	getPackageName(Class<?> clazz) Get the name of the package that the supplied class belongs to
static boolean	isJdbcInterface(Class<?> clazz) Check whether the given class implements a JDBC interface defined in a JDBC package.
static boolean	isJdbcPackage(@Nullable String packageName) Check whether the given package is a JDBC package
static boolean	isNullOrEmpty(@Nullable String s) Check if the supplied string is null or empty
static @Nullable HostSpec	parseUrl(@Nullable String url) Splits a URL into its host/port components and returns this information as a HostSpec
static String	shadingPrefix(String clazzName) Adds the shading package prefix to a class name and returns it.
static String	stackTraceToString(Throwable t, Class callingClass) For the given Throwable, return a formatted string representation of the stack trace.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Util

public Util()

Method Detail

getPackageName

public static String getPackageName(Class<?> clazz)

Get the name of the package that the supplied class belongs to

Parameters:

clazz - the Class to analyze

Returns:

the name of the package that the supplied class belongs to

shadingPrefix

public static String shadingPrefix(String clazzName)

Adds the shading package prefix to a class name and returns it.

Parameters:

clazzName - Class name.

Returns:

the shading prefix "software.aws.rds.jdbc.shading.{clazzName}" or just {clazzName}

isJdbcInterface

public static boolean isJdbcInterface(Class<?> clazz)

Check whether the given class implements a JDBC interface defined in a JDBC package. See isJdbcPackage(String) Calls to this function are cached for improved efficiency.

Parameters:

clazz - the class to analyze

Returns:

true if the given class implements a JDBC interface

isJdbcPackage

public static boolean isJdbcPackage(@Nullable String packageName)

Check whether the given package is a JDBC package

Parameters:

packageName - the name of the package to analyze

Returns:

true if the given package is a JDBC package

getImplementedInterfaces

public static Class<?>[] getImplementedInterfaces(Class<?> clazz)

Get the Class objects corresponding to the interfaces implemented by the given class. Calls to this function are cached for improved efficiency.

Parameters:

clazz - the class to analyze

Returns:

the interfaces implemented by the given class

stackTraceToString

public static String stackTraceToString(Throwable t,
                                        Class callingClass)

For the given Throwable, return a formatted string representation of the stack trace. This method is provided for logging purposes.

Parameters:

t - the throwable containing the stack trace that we want to transform into a string

callingClass - the class that is calling this method

Returns:

the formatted string representation of the stack trace attached to the given Throwable

parseUrl

public static @Nullable HostSpec parseUrl(@Nullable String url)

Splits a URL into its host/port components and returns this information as a HostSpec

Parameters:

url - the URL to process

Returns:

a HostSpec representing the host/port components of the given URL, or null if there was a problem parsing the URL

isNullOrEmpty

@EnsuresNonNullIf(expression="#1",
                  result=false)
public static boolean isNullOrEmpty(@Nullable String s)

Check if the supplied string is null or empty

Parameters:

s - the string to analyze

Returns:

true if the supplied string is null or empty