Example usage for java.lang ClassLoader toString

Introduction

In this page you can find the example usage for java.lang ClassLoader toString.

Prototype

public String toString() 

Source Link

Document

Returns a string representation of the object.

Usage

From source file:org.apache.axis2.context.AbstractContext.java

/**
 * Debug for for property key and value.
 * @param key//from   w  w w  .  ja  v a2 s .  c  o m
 * @param value
 */
private void debugPropertySet(String key, Object value) {
    if (DEBUG_ENABLED) {
        String className = (value == null) ? "null" : value.getClass().getName();
        String classloader = "null";
        if (value != null) {
            ClassLoader cl = Utils.getObjectClassLoader(value);
            if (cl != null) {
                classloader = cl.toString();
            }
        }
        String valueText = (value instanceof String) ? value.toString() : null;
        String identity = getClass().getName() + '@' + Integer.toHexString(System.identityHashCode(this));

        log.debug("==================");
        log.debug(" Property set on object " + identity);
        log.debug("  Key =" + key);
        if (valueText != null) {
            log.debug("  Value =" + valueText);
        }
        log.debug("  Value Class = " + className);
        log.debug("  Value Classloader = " + classloader);
        if (this.DEBUG_CALLSTACK_ON_SET) {
            log.debug("Call Stack = " + JavaUtils.callStackToString());
        }
        log.debug("==================");
    }
}

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From source file:org.apache.axis2.description.ParameterIncludeImpl.java

/**
 * Debug for for property key and value.
 * @param key//from  w  w  w  . j a va2  s . c  om
 * @param value
 */
private void debugParameterAdd(Parameter parameter) {
    if (DEBUG_PROPERTY_SET) {
        String key = parameter.getName();
        Object value = parameter.getValue();
        String className = (value == null) ? "null" : value.getClass().getName();
        String classloader = "null";
        if (value != null) {
            ClassLoader cl = Utils.getObjectClassLoader(value);
            if (cl != null) {
                classloader = cl.toString();
            }
        }
        String valueText = (value instanceof String) ? value.toString() : null;
        String identity = getClass().getName() + '@' + Integer.toHexString(System.identityHashCode(this));

        log.debug("==================");
        log.debug(" Parameter add on object " + identity);
        log.debug("  Key =" + key);
        if (valueText != null) {
            log.debug("  Value =" + valueText);
        }
        log.debug("  Value Class = " + className);
        log.debug("  Value Classloader = " + classloader);
        log.debug("Call Stack = " + JavaUtils.callStackToString());
        log.debug("==================");
    }
}

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From source file:org.apache.axis2.description.ParameterIncludeMixin.java

/**
 * Debug for for property key and value.
 * @param key//from ww w  .j  av a  2s.  c om
 * @param value
 */
private void debugParameterAdd(Parameter parameter) {
    if (log.isDebugEnabled()) {
        String key = parameter.getName();
        Object value = parameter.getValue();
        String className = (value == null) ? "null" : value.getClass().getName();
        String classloader = "null";
        if (value != null) {
            ClassLoader cl = Utils.getObjectClassLoader(value);
            if (cl != null) {
                classloader = cl.toString();
            }
        }
        String valueText = (value instanceof String) ? value.toString() : null;
        String identity = getClass().getName() + '@' + Integer.toHexString(System.identityHashCode(this));

        log.debug("==================");
        log.debug(" Parameter add on object " + identity);
        log.debug("  Key =" + key);
        if (valueText != null) {
            log.debug("  Value =" + valueText);
        }
        log.debug("  Value Class = " + className);
        log.debug("  Value Classloader = " + classloader);
        log.debug("Call Stack = " + JavaUtils.callStackToString());
        log.debug("==================");
    }
}

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From source file:org.apache.axis2.jaxws.client.async.AsyncResponse.java

/**
 * Check for a valid relationship between unmarshalling classloader and
 * Application's current context classloader
 * @param cl/*w  ww  . j ava 2s  .c  o  m*/
 * @param contextCL
 */
private void checkClassLoader(final ClassLoader cl, final ClassLoader contextCL) {
    // Ensure that the classloader (cl) used for unmarshalling is the same
    // or a parent of the current context classloader.  Otherwise 
    // ClassCastExceptions can occur
    if (log.isDebugEnabled()) {
        log.debug("AsyncResponse ClassLoader is:");
        log.debug(cl.toString());
    }
    if (cl.equals(contextCL)) {
        if (log.isDebugEnabled()) {
            log.debug("AsyncResponse ClassLoader matches Context ClassLoader");
        }
        return;
    } else {
        if (log.isDebugEnabled()) {
            log.debug("Context ClassLoader is:");
            log.debug(contextCL.toString());
        }
        ClassLoader parent = getParentClassLoader(contextCL);
        while (parent != null) {
            if (parent.equals(cl)) {
                return;
            }
            if (log.isDebugEnabled()) {
                log.debug("AsyncResponse ClassLoader is an ancestor of the Context ClassLoader");
            }
            parent = getParentClassLoader(parent);
        }
    }
    throw ExceptionFactory.makeWebServiceException(Messages.getMessage("threadClsLoaderErr",
            contextCL.getClass().toString(), cl.getClass().toString()));
}

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From source file:org.apache.axis2.jaxws.client.async.CallbackFuture.java

@SuppressWarnings("unchecked")
public Object call() throws Exception {
    ClassLoader oldCL = null;
    try {/* w  w  w . jav  a2s  . co  m*/

        if (log.isDebugEnabled()) {
            log.debug("Setting up the thread's context classLoader");
            log.debug(handlerCL.toString());
        }

        // Retrieve the existing classloader from the thread.
        oldCL = (ClassLoader) AccessController.doPrivileged(new PrivilegedAction() {
            public Object run() {
                return Thread.currentThread().getContextClassLoader();
            }
        });

        AccessController.doPrivileged(new PrivilegedAction() {
            public Object run() {
                Thread.currentThread().setContextClassLoader(handlerCL);
                return null;
            }
        });

        // Set the response or fault content on the AsyncResponse object
        // so that it can be collected inside the Executor thread and processed.
        if (error != null) {
            response.onError(error, msgCtx, handlerCL);
        } else {
            response.onComplete(msgCtx, handlerCL);
        }

        // Now that the content is available, call the JAX-WS AsyncHandler class
        // to deliver the response to the user.
        if (debug) {
            log.debug("Calling JAX-WS AsyncHandler.handleResponse() with response object: "
                    + CallbackFuture.displayHandle(response));
        }
        handler.handleResponse(response);
        if (debug) {
            log.debug("Returned from handleResponse() invocation...");
        }
    } catch (Throwable t) {
        if (debug) {
            log.debug("An error occurred while invoking the callback object.");
            log.debug("Error: " + t.toString());
            t.printStackTrace();
        }
    } finally {
        synchronized (this) {
            // Restore the old classloader on this thread.
            if (oldCL != null) {
                final ClassLoader t = oldCL;
                AccessController.doPrivileged(new PrivilegedAction() {
                    public Object run() {
                        Thread.currentThread().setContextClassLoader(t);
                        return null;
                    }
                });
                if (debug) {
                    log.debug("Restored thread context classloader: " + oldCL.toString());
                }
            }

            done = true;
            this.notifyAll();
        }
    }

    return null;
}

---

From source file:org.apache.axis2.jaxws.description.builder.DescriptionBuilderUtils.java

/**
 * Load a class represented in a Description Builder Composite.  If a classloader is specified,
 * it will be used; otherwise the default classloader is used.
 *
 * @param classToLoad// w w  w.  j  av a2  s .  c om
 * @param classLoader
 * @return
 */
static Class loadClassFromComposite(String classToLoad, ClassLoader classLoader) {
    Class returnClass = null;

    // If this is an array, then create a string version as described by Class.getName.
    // For example, "Foo[][]" becomes "[[LFoo".  Note that arrays of primitives must also be parsed.
    classToLoad = DescriptionBuilderUtils.reparseIfArray(classToLoad);

    if (classLoader != null) {
        // Use the specified classloader to load the class.
        try {
            returnClass = forName(classToLoad, false, classLoader);
        }
        //Catch Throwable as ClassLoader can throw an NoClassDefFoundError that
        //does not extend Exception, so lets catch everything that extends Throwable
        //rather than just Exception.
        catch (Throwable ex) {
            throw ExceptionFactory.makeWebServiceException(
                    Messages.getMessage("DBUClassNotFound", classToLoad, classLoader.toString()));
        }
    } else {
        //Use the thread context class loader to load the class.
        try {
            returnClass = forName(classToLoad, false, getContextClassLoader(null));
        } catch (Throwable ex) {
            //Use the default classloader to load the class.
            try {
                returnClass = forName(classToLoad);
            }
            //Catch Throwable as ClassLoader can throw an NoClassDefFoundError that
            //does not extend Exception
            catch (Throwable ex2) {
                throw ExceptionFactory
                        .makeWebServiceException(Messages.getMessage("DBUClassNotFound2", classToLoad));
            }
        }
    }
    return returnClass;
}

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From source file:org.apache.falcon.util.HdfsClassLoader.java

public static ClassLoader load(final String name, final List<String> jarHdfsPath) throws IOException {
    LOG.info("ClassLoader cache size = " + classLoaderCache.size());
    if (classLoaderCache.containsKey(name)) {
        return classLoaderCache.get(name);
    }/*from w w w .  j  a  v a2 s.c om*/

    synchronized (LOCK) {
        LOG.info("Copying jar files from HDFS to local dir");
        final URL[] urls = copyHdfsJarFilesToTempDir(name, jarHdfsPath);
        final ClassLoader parentClassLoader = HdfsClassLoader.class.getClassLoader();
        LOG.info("Creating a new HdfsClassLoader for name = {0} with parent = {1} using classpath = {2}", name,
                parentClassLoader.toString(), Arrays.toString(jarHdfsPath.toArray()));
        HdfsClassLoader hdfsClassLoader = java.security.AccessController
                .doPrivileged(new java.security.PrivilegedAction<HdfsClassLoader>() {
                    @Override
                    public HdfsClassLoader run() {
                        return new HdfsClassLoader(name, urls, parentClassLoader);
                    }
                });
        classLoaderCache.put(name, hdfsClassLoader);
        return hdfsClassLoader;
    }
}

---

From source file:org.apache.hadoop.sqoop.util.ClassLoaderStack.java

/**
 * Sets the classloader for the current thread
 *//*from w ww  . ja v a2  s.  co m*/
public static void setCurrentClassLoader(ClassLoader cl) {
    LOG.info("Restoring classloader: " + cl.toString());
    Thread.currentThread().setContextClassLoader(cl);
}

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From source file:org.carracoo.maven.assist.AssistProcessor.java

private void debugClassLoader(final ClassPool classPool) {
    if (!logger.isLoggable(Level.INFO)) {
        return;/*from  www.j a v a 2 s .  co  m*/
    }

    logger.log(Level.FINE, String.format(" - classPool: %s", classPool.toString()));
    ClassLoader classLoader = classPool.getClassLoader();
    while (classLoader != null) {
        logger.log(Level.INFO,
                String.format(" -- %s : %s", classLoader.getClass().getName(), classLoader.toString()));
        if (classLoader instanceof URLClassLoader) {
            logger.log(Level.INFO, String.format(" --- urls: %s ",
                    Arrays.deepToString(((URLClassLoader) classLoader).getURLs())));
        }
        classLoader = classLoader.getParent();
    }
}

---

From source file:org.ebayopensource.turmeric.tools.codegen.AbstractServiceGeneratorTestCase.java

private void dumpClassLoader(String indent, ClassLoader cl) {
    if (cl == null) {
        return;/*  w w w  .j  a v  a2  s.  c  o m*/
    }
    System.out.printf("%sClassLoader: %s: %s%n", indent, cl.getClass().getName(), cl.toString());
    if (cl instanceof URLClassLoader) {
        URLClassLoader ucl = (URLClassLoader) cl;
        System.out.printf("%s(URLClassLoader)%n", indent);
        URL urls[] = ucl.getURLs();
        for (URL url : urls) {
            System.out.printf("%s* %s%n", indent, url);
        }
    }
    ClassLoader parent = cl.getParent();
    dumpClassLoader(indent + "  ", parent);
}

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