org.apache.derby.impl.services.reflect
Class JarLoader
java.lang.Object
java.lang.ClassLoader
org.apache.derby.impl.services.reflect.JarLoader
- public class JarLoader
- extends java.lang.ClassLoader
Nested classes inherited from class java.lang.ClassLoader |
|
Fields inherited from class java.lang.ClassLoader |
|
Method Summary |
(package private) java.lang.Class |
checkLoaded(java.lang.String className,
boolean resolve)
|
(package private) java.lang.String |
getJarName()
|
private java.io.InputStream |
getRawStream(java.io.InputStream in,
java.lang.String name)
Get a stream from a zip file that is itself a stream.
|
private java.io.InputStream |
getRawStream(java.util.zip.ZipFile zip,
java.lang.String name)
Get a stream directly from a ZipFile.
|
java.io.InputStream |
getResourceAsStream(java.lang.String name)
|
(package private) java.io.InputStream |
getStream(java.lang.String name)
Get an InputStream for the given resource. |
(package private) void |
initialize()
|
private java.lang.Object |
load()
|
java.lang.Class |
loadClass(java.lang.String className,
boolean resolve)
Handle all requests to the top-level loader. |
private java.lang.Class |
loadClassData(java.io.InputStream in,
java.lang.String className,
java.lang.String jvmClassName,
boolean resolve)
|
(package private) java.lang.Class |
loadClassData(java.lang.String className,
java.lang.String jvmClassName,
boolean resolve)
|
private java.lang.Class |
loadClassData(java.util.zip.ZipEntry ze,
java.io.InputStream in,
java.lang.String className,
boolean resolve)
|
private java.lang.Class |
loadClassDataFromJar(java.lang.String className,
java.lang.String jvmClassName,
boolean resolve)
|
(package private) JarFile |
setInvalid(boolean newJarFile)
|
Methods inherited from class java.lang.ClassLoader |
clearAssertionStatus, defineClass, defineClass, defineClass, definePackage, findClass, findLibrary, findLoadedClass, findResource, findResources, findSystemClass, getPackage, getPackages, getParent, getResource, getResources, getSystemClassLoader, getSystemResource, getSystemResourceAsStream, getSystemResources, loadClass, resolveClass, setClassAssertionStatus, setDefaultAssertionStatus, setPackageAssertionStatus, setSigners |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
jarFileFactory
private static final JarFile jarFileFactory
updateLoader
private UpdateLoader updateLoader
jf
private JarFile jf
vs
private HeaderPrintWriter vs
JarLoader
JarLoader(UpdateLoader updateLoader,
java.lang.String[] name,
HeaderPrintWriter vs)
initialize
void initialize()
loadClass
public java.lang.Class loadClass(java.lang.String className,
boolean resolve)
throws java.lang.ClassNotFoundException
- Handle all requests to the top-level loader.
- Throws:
java.lang.ClassNotFoundException
- Class can not be found
getResourceAsStream
public java.io.InputStream getResourceAsStream(java.lang.String name)
getJarName
final java.lang.String getJarName()
loadClassData
java.lang.Class loadClassData(java.lang.String className,
java.lang.String jvmClassName,
boolean resolve)
getStream
java.io.InputStream getStream(java.lang.String name)
- Get an InputStream for the given resource.
loadClassDataFromJar
private java.lang.Class loadClassDataFromJar(java.lang.String className,
java.lang.String jvmClassName,
boolean resolve)
throws java.io.IOException
- Throws:
java.io.IOException
loadClassData
private java.lang.Class loadClassData(java.io.InputStream in,
java.lang.String className,
java.lang.String jvmClassName,
boolean resolve)
throws java.io.IOException
- Throws:
java.io.IOException
loadClassData
private java.lang.Class loadClassData(java.util.zip.ZipEntry ze,
java.io.InputStream in,
java.lang.String className,
boolean resolve)
throws java.io.IOException
- Throws:
java.io.IOException
checkLoaded
java.lang.Class checkLoaded(java.lang.String className,
boolean resolve)
load
private java.lang.Object load()
setInvalid
JarFile setInvalid(boolean newJarFile)
getRawStream
private java.io.InputStream getRawStream(java.util.zip.ZipFile zip,
java.lang.String name)
- Get a stream directly from a ZipFile.
In this case we can safely return the stream directly.
It's a new stream set up by the zip code to read just
the contents of this entry.
getRawStream
private java.io.InputStream getRawStream(java.io.InputStream in,
java.lang.String name)
- Get a stream from a zip file that is itself a stream.
Here we need to get the size of the zip entry and
put a limiting stream around it. Otherwise the
caller would end up reading the entire zip file!
Apache Derby V10.1 Engine Documentation - Copyright © 1997,2005 The Apache Software Foundation or its licensors, as applicable.