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java.lang.Object java.lang.ClassLoader java.security.SecureClassLoader java.net.URLClassLoader org.eclipse.jetty.webapp.WebAppClassLoader
public class WebAppClassLoader
ClassLoader for HttpContext.
Specializes URLClassLoader with some utility and file mapping
methods.
This loader defaults to the 2.3 servlet spec behavior where non
system classes are loaded from the classpath in preference to the
parent loader. Java2 compliant loading, where the parent loader
always has priority, can be selected with the
WebAppContext.setParentLoaderPriority(boolean)
method and influenced with WebAppContext.isServerClass(String)
and
WebAppContext.isSystemClass(String)
.
If no parent class loader is provided, then the current thread
context classloader will be used. If that is null then the
classloader that loaded this class is used as the parent.
Nested Class Summary | |
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static interface |
WebAppClassLoader.Context
The Context in which the classloader operates. |
Constructor Summary | |
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WebAppClassLoader(ClassLoader parent,
WebAppClassLoader.Context context)
Constructor. |
|
WebAppClassLoader(WebAppClassLoader.Context context)
Constructor. |
Method Summary | |
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void |
addClassPath(Resource resource)
|
void |
addClassPath(String classPath)
|
void |
addJars(Resource lib)
Add elements to the class path for the context from the jar and zip files found in the specified resource. |
WebAppClassLoader.Context |
getContext()
|
String |
getName()
|
PermissionCollection |
getPermissions(CodeSource cs)
|
URL |
getResource(String name)
Get a resource from the classloader NOTE: this method provides a convenience of hacking off a leading / should one be present. |
Enumeration<URL> |
getResources(String name)
|
Class<?> |
loadClass(String name)
|
protected Class<?> |
loadClass(String name,
boolean resolve)
|
void |
setName(String name)
|
String |
toString()
|
Methods inherited from class java.net.URLClassLoader |
---|
addURL, definePackage, findClass, findResource, findResources, getURLs, newInstance, newInstance |
Methods inherited from class java.security.SecureClassLoader |
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defineClass, defineClass |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public WebAppClassLoader(WebAppClassLoader.Context context) throws IOException
IOException
public WebAppClassLoader(ClassLoader parent, WebAppClassLoader.Context context) throws IOException
IOException
Method Detail |
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public String getName()
public void setName(String name)
name
- the name of the classloaderpublic WebAppClassLoader.Context getContext()
public void addClassPath(Resource resource) throws IOException
resource
- Comma or semicolon separated path of filenames or URLs
pointing to directories or jar files. Directories should end
with '/'.
IOException
public void addClassPath(String classPath) throws IOException
classPath
- Comma or semicolon separated path of filenames or URLs
pointing to directories or jar files. Directories should end
with '/'.
IOException
public void addJars(Resource lib)
lib
- the resource that contains the jar and/or zip files.public PermissionCollection getPermissions(CodeSource cs)
getPermissions
in class URLClassLoader
public Enumeration<URL> getResources(String name) throws IOException
getResources
in class ClassLoader
IOException
public URL getResource(String name)
getResource
in class ClassLoader
public Class<?> loadClass(String name) throws ClassNotFoundException
loadClass
in class ClassLoader
ClassNotFoundException
protected Class<?> loadClass(String name, boolean resolve) throws ClassNotFoundException
loadClass
in class ClassLoader
ClassNotFoundException
public String toString()
toString
in class Object
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