com.jaxfront.core.util
Class JarResources
java.lang.Object
com.jaxfront.core.util.JarResources
public final class JarResources
- extends java.lang.Object
JarResources: JarResources maps all resources included in a
Zip or Jar file. Additionaly, it provides a method to extract one
as a blob.
Constructor Summary |
JarResources(java.lang.String jarFileName)
creates a JarResources. |
Method Summary |
byte[] |
getResource(java.lang.String name)
Extracts a jar resource as a blob. |
static void |
main(java.lang.String[] args)
Is a test driver. |
Methods inherited from class java.lang.Object |
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
debugOn
public boolean debugOn
JarResources
public JarResources(java.lang.String jarFileName)
- creates a JarResources. It extracts all resources from a Jar
into an internal hashtable, keyed by resource names.
- Parameters:
jarFileName
- a jar or zip file
getResource
public byte[] getResource(java.lang.String name)
- Extracts a jar resource as a blob.
- Parameters:
name
- a resource name.
main
public static void main(java.lang.String[] args)
throws java.io.IOException
- Is a test driver. Given a jar file and a resource name, it trys to
extract the resource and then tells us whether it could or not.
Example
Let's say you have a JAR file which jarred up a bunch of gif image
files. Now, by using JarResources, you could extract, create, and display
those images on-the-fly.
...
JarResources JR=new JarResources("GifBundle.jar");
Image image=Toolkit.createImage(JR.getResource("logo.gif");
Image logo=Toolkit.getDefaultToolkit().createImage(
JR.getResources("logo.gif")
);
...
- Throws:
java.io.IOException