java Programming Glossary: urlclassloader

Adding files to java classpath at runtime

http://stackoverflow.com/questions/1010919/adding-files-to-java-classpath-at-runtime

java.io.IOException import java.io.File import java.net.URLClassLoader import java.net.URL import java.lang.reflect.Method public class.. method public static void addURL URL u throws IOException URLClassLoader sysloader URLClassLoader ClassLoader.getSystemClassLoader Class.. addURL URL u throws IOException URLClassLoader sysloader URLClassLoader ClassLoader.getSystemClassLoader Class sysclass URLClassLoader.class..

Reading my own Jar's Manifest

http://stackoverflow.com/questions/1272648/reading-my-own-jars-manifest

getClass .getClassLoader is an instance of java.net.URLClassLoader . Majority of Sun classloaders are including AppletClassLoader.. applets at least to return the needed manifest directly URLClassLoader cl URLClassLoader getClass .getClassLoader try URL url cl.findResource.. to return the needed manifest directly URLClassLoader cl URLClassLoader getClass .getClassLoader try URL url cl.findResource META INF..

How do you change the CLASSPATH within Java?

http://stackoverflow.com/questions/252893/how-do-you-change-the-classpath-within-java

all mentions in the comments this example of extending the URLClassLoader And you might consider not writing your own ClassLoader but.. consider not writing your own ClassLoader but just use URLClassLoader instead. Create a URLClassLoader with a url that are not in.. ClassLoader but just use URLClassLoader instead. Create a URLClassLoader with a url that are not in the parent classloaders url's. URL..

How do I programmatically compile and instantiate a Java class?

http://stackoverflow.com/questions/2946338/how-do-i-programmatically-compile-and-instantiate-a-java-class

sourceFile.getPath Load and instantiate compiled class. URLClassLoader classLoader URLClassLoader.newInstance new URL root.toURI .toURL.. and instantiate compiled class. URLClassLoader classLoader URLClassLoader.newInstance new URL root.toURI .toURL Class cls Class.forName..

Is it possible to “add” to classpath dynamically in java?

http://stackoverflow.com/questions/402330/is-it-possible-to-add-to-classpath-dynamically-in-java

as java parserTester and get the same result I tried using URLClassLoader but it modifies the classpath and does not add to it. Thanx.. share improve this question You can use a java.net.URLClassLoader to load classes with any program defined list of URL's you wish.. any program defined list of URL's you wish public class URLClassLoader extends SecureClassLoader This class loader is used to load..

How should I load Jars dynamically at runtime?

http://stackoverflow.com/questions/60764/how-should-i-load-jars-dynamically-at-runtime

Here's how you do it making your own child classloader URLClassLoader child new URLClassLoader myJar.toURL this.getClass .getClassLoader.. making your own child classloader URLClassLoader child new URLClassLoader myJar.toURL this.getClass .getClassLoader Class classToLoad..

Executing a Java application in a separate process

http://stackoverflow.com/questions/636367/executing-a-java-application-in-a-separate-process

java.home bin java gives you a link to the java executable URLClassLoader Thread.currentThread .getContextClassLoader .getURL helps you..

log4j and the thread context classloader

http://stackoverflow.com/questions/1974705/log4j-and-the-thread-context-classloader

and resetting it to the old one afterwards ClassLoader urlClassLoader this is URLClassLoader #2 Thread thread Thread.currentThread.. thread.getContextClassLoader thread.setContextClassLoader urlClassLoader try urlClassLoader.loadClass ... finally thread.setContextClassLoader.. thread.setContextClassLoader urlClassLoader try urlClassLoader.loadClass ... finally thread.setContextClassLoader loader While..

How do you change the CLASSPATH within Java?

http://stackoverflow.com/questions/252893/how-do-you-change-the-classpath-within-java

Chain the current thread classloader URLClassLoader urlClassLoader new URLClassLoader new URL new File mtFile .toURL currentThreadClassLoader.. to do so Thread.currentThread .setContextClassLoader urlClassLoader If you assume the JVMs system classloader is a URLClassLoader..

How do I use JDK6 ToolProvider and JavaCompiler with the context classloader?

http://stackoverflow.com/questions/274474/how-do-i-use-jdk6-toolprovider-and-javacompiler-with-the-context-classloader

StringBuilder sb new StringBuilder URLClassLoader urlClassLoader URLClassLoader Thread.currentThread .getContextClassLoader for.. Thread.currentThread .getContextClassLoader for URL url urlClassLoader.getURLs sb.append url.getFile .append File.pathSeparator options.add..

Java Dynamically Loading a class

http://stackoverflow.com/questions/3580752/java-dynamically-loading-a-class

addURL final URL u throws IOException final URLClassLoader urlClassLoader getUrlClassLoader try final Method method getAddUrlMethod method.setAccessible.. getAddUrlMethod method.setAccessible true method.invoke urlClassLoader new Object u catch final Exception e throw new IOException .. PARAMS return addUrlMethod private static URLClassLoader urlClassLoader private static Method addUrlMethod private static URLClassLoader..