程序包 com.alazeprt

类 DependencyLoader

java.lang.Object

com.alazeprt.DependencyLoader

public class DependencyLoader
extends Object

Utility class for loading classes, constructing objects, and invoking methods with external dependencies.

构造器概要

构造器

构造器	说明
DependencyLoader(String libPath)	Creates a class loader based on the specified directory.
DependencyLoader(String libPath, List<Dependency> list)	Creates a class loader based on the specified file.

方法概要

修饰符和类型	方法	说明
DependencyClass	construct(String classname)	Constructs an instance of the specified class name.
DependencyClass	construct(String className, Object... args)	Constructs an instance of the specified class with the given arguments.
URLClassLoader	getClassLoader()	Returns the underlying URLClassLoader instance.
Class<?>	getLocalClass(String className)	Loads the specified class based on external dependencies.
void	loadMoreLibrary(String libPath)	Adds additional paths to the class loader.
Object	runStaticMethod(String className, String methodName, Object... args)	Invokes a static method on the specified class.

从类继承的方法 java.lang.Object

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

构造器详细资料

DependencyLoader

public DependencyLoader(String libPath,
 List<Dependency> list)
                 throws MalformedURLException

Creates a class loader based on the specified file.

参数:

libPath - The path to the directory containing external dependencies.

list - List of Dependency instances representing external dependencies.

抛出:

MalformedURLException - If the provided URL is malformed.

DependencyLoader

public DependencyLoader(String libPath)
                 throws MalformedURLException

Creates a class loader based on the specified directory.

参数:

libPath - The path to the directory containing external dependencies.

抛出:

MalformedURLException - If the provided URL is malformed.

方法详细资料

construct

public DependencyClass construct(String classname)
                          throws ClassNotFoundException,
InstantiationException,
IllegalAccessException,
NoSuchMethodException,
InvocationTargetException

Constructs an instance of the specified class name.

参数:

classname - The fully qualified class name to instantiate.

返回:

An instance of the specified class.

抛出:

ClassNotFoundException - If the class is not found.

InstantiationException - If an instance of the class cannot be created.

IllegalAccessException - If access to the class or its constructor is denied.

NoSuchMethodException - If the constructor with no parameters is not found.

InvocationTargetException - If the constructor throws an exception.

loadMoreLibrary

public void loadMoreLibrary(String libPath)
                     throws MalformedURLException

Adds additional paths to the class loader.

参数:

libPath - The path to the directory containing more external dependencies.

抛出:

MalformedURLException - If the provided URL is malformed.

construct

public DependencyClass construct(String className,
 Object... args)
                          throws ClassNotFoundException,
NoSuchMethodException,
InvocationTargetException,
InstantiationException,
IllegalAccessException

Constructs an instance of the specified class with the given arguments.

参数:

className - The fully qualified class name to instantiate.

args - The arguments to pass to the constructor.

返回:

An instance of the specified class.

抛出:

ClassNotFoundException - If the class is not found.

NoSuchMethodException - If the constructor with the specified parameter types is not found.

InstantiationException - If an instance of the class cannot be created.

IllegalAccessException - If access to the class or its constructor is denied.

InvocationTargetException - If the constructor throws an exception.

getLocalClass

public Class<?> getLocalClass(String className)
                       throws ClassNotFoundException

Loads the specified class based on external dependencies.

参数:

className - The fully qualified class name to load.

返回:

The loaded class.

抛出:

ClassNotFoundException - If the class is not found.

runStaticMethod

public Object runStaticMethod(String className,
 String methodName,
 Object... args)
                       throws ClassNotFoundException,
NoSuchMethodException,
InvocationTargetException,
IllegalAccessException

Invokes a static method on the specified class.

参数:

className - The fully qualified class name containing the static method.

methodName - The name of the static method to invoke.

args - The arguments to pass to the method.

返回:

The result of invoking the static method.

抛出:

ClassNotFoundException - If the class is not found.

NoSuchMethodException - If the method with the specified name and parameter types is not found.

InvocationTargetException - If the method throws an exception.

IllegalAccessException - If access to the method is denied.

getClassLoader

public URLClassLoader getClassLoader()

Returns the underlying URLClassLoader instance.

返回:

The underlying URLClassLoader.