JDKHooks (Commons Discovery (Version 0.4))

java.lang.Object
- org.apache.commons.discovery.jdk.JDKHooks

Direct Known Subclasses:

JDK11Hooks, JDK12Hooks
```
public abstract class JDKHooks
extends java.lang.Object
```
Author:

Richard A. Sitze

Constructor Summary

Constructors
Modifier Constructor Description

protected JDKHooks()

Method Summary

All Methods Static Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`static JDKHooks`	`getJDKHooks()`	Return singleton object representing JVM hooks/tools.
`abstract java.util.Enumeration`	`getResources(java.lang.ClassLoader loader, java.lang.String resourceName)`
`abstract java.lang.ClassLoader`	`getSystemClassLoader()`	The system class loader is available for JDK 1.2 or later, if certain security conditions are met.
`abstract java.lang.String`	`getSystemProperty(java.lang.String propName)`	Get the system property
`abstract java.lang.ClassLoader`	`getThreadContextClassLoader()`	The thread context class loader is available for JDK 1.2 or later, if certain security conditions are met.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - JDKHooks
```
protected JDKHooks()
```
- Method Detail
  - getJDKHooks
```
public static final JDKHooks getJDKHooks()
```
    Return singleton object representing JVM hooks/tools. TODO: add logic to detect JDK level.
  - getSystemProperty
```
public abstract java.lang.String getSystemProperty(java.lang.String propName)
```
    Get the system property
    
    Parameters:
    
    propName - name of the property
    
    Returns:
    
    value of the property
  - getThreadContextClassLoader
```
public abstract java.lang.ClassLoader getThreadContextClassLoader()
```
    The thread context class loader is available for JDK 1.2 or later, if certain security conditions are met.
    
    Returns:
    
    The thread context class loader, if available. Otherwise return null.
  - getSystemClassLoader
```
public abstract java.lang.ClassLoader getSystemClassLoader()
```
    The system class loader is available for JDK 1.2 or later, if certain security conditions are met.
    
    Returns:
    
    The system class loader, if available. Otherwise return null.
  - getResources
```
public abstract java.util.Enumeration getResources(java.lang.ClassLoader loader,
                                                   java.lang.String resourceName)
                                            throws java.io.IOException
```
    Throws:
    
    java.io.IOException