Examples with CannotCompileException org.hotswap.agent.javassist.CannotCompileException used on opensource projects

Example 6 with CannotCompileException

use of org.hotswap.agent.javassist.CannotCompileException in project HotswapAgent by HotswapProjects.

the class DeltaSpikeProxyTransformer method patchAsmProxyClassGenerator.

/**
 * Delegates loadClass to org.hotswap.agent.plugin.deltaspike.proxy.ProxyClassLoadingDelegate::loadClass
 *
 * @param ctClass
 * @throws NotFoundException the not found exception
 * @throws CannotCompileException the cannot compile exception
 */
@OnClassLoadEvent(classNameRegexp = "org.apache.deltaspike.proxy.impl.AsmProxyClassGenerator")
public static void patchAsmProxyClassGenerator(CtClass ctClass) throws NotFoundException, CannotCompileException {
    CtMethod generateProxyClassMethod = ctClass.getDeclaredMethod("generateProxyClass");
    generateProxyClassMethod.instrument(new ExprEditor() {

        public void edit(MethodCall m) throws CannotCompileException {
            if (m.getClassName().equals("org.apache.deltaspike.proxy.impl.AsmProxyClassGenerator") && m.getMethodName().equals("loadClass"))
                m.replace("{ $_ = org.hotswap.agent.plugin.deltaspike.proxy.ProxyClassLoadingDelegate.loadClass($$); }");
        }
    });
}

Example 7 with CannotCompileException

use of org.hotswap.agent.javassist.CannotCompileException in project HotswapAgent by HotswapProjects.

the class ViewConfigTransformer method patchViewConfigExtension.

/**
 * Register DeltaspikePlugin and add reinitialization method to RepositoryComponent
 *
 * @param ctClass
 * @param classPool the class pool
 * @throws CannotCompileException the cannot compile exception
 * @throws NotFoundException the not found exception
 */
@OnClassLoadEvent(classNameRegexp = "org.apache.deltaspike.jsf.impl.config.view.ViewConfigExtension")
public static void patchViewConfigExtension(CtClass ctClass, ClassPool classPool) throws CannotCompileException, NotFoundException {
    CtMethod init = ctClass.getDeclaredMethod("init");
    init.insertAfter("{" + "if (this.isActivated) {" + PluginManagerInvoker.buildInitializePlugin(DeltaSpikePlugin.class) + "}" + "}");
    LOGGER.debug("org.apache.deltaspike.jsf.impl.config.view.ViewConfigExtension enhanced with plugin initialization.");
    CtClass viewConfigResProxyClass = classPool.get("org.hotswap.agent.plugin.deltaspike.jsf.ViewConfigResolverProxy");
    CtField viewConfigResProxyField = new CtField(viewConfigResProxyClass, VIEW_CONFIG_RESOLVER_PROXY_FIELD, ctClass);
    ctClass.addField(viewConfigResProxyField);
    CtMethod generateProxyClassMethod = ctClass.getDeclaredMethod("transformMetaDataTree");
    generateProxyClassMethod.instrument(new ExprEditor() {

        public void edit(NewExpr e) throws CannotCompileException {
            if (e.getClassName().equals("org.apache.deltaspike.jsf.impl.config.view.DefaultViewConfigResolver"))
                e.replace("{ " + "java.lang.Object _resolver = new org.apache.deltaspike.jsf.impl.config.view.DefaultViewConfigResolver($$); " + "if (this." + VIEW_CONFIG_RESOLVER_PROXY_FIELD + "==null) {" + "this." + VIEW_CONFIG_RESOLVER_PROXY_FIELD + "=new org.hotswap.agent.plugin.deltaspike.jsf.ViewConfigResolverProxy();" + "}" + "this." + VIEW_CONFIG_RESOLVER_PROXY_FIELD + ".setViewConfigResolver(_resolver);" + "java.util.List _list = org.hotswap.agent.plugin.deltaspike.jsf.ViewConfigResolverUtils.findViewConfigRootClasses(this.rootViewConfigNode);" + PluginManagerInvoker.buildCallPluginMethod(DeltaSpikePlugin.class, "registerViewConfigRootClasses", "this", "java.lang.Object", "_list", "java.util.List") + "   $_ = this." + VIEW_CONFIG_RESOLVER_PROXY_FIELD + ";" + "}");
        }
    });
}

Example 8 with CannotCompileException

use of org.hotswap.agent.javassist.CannotCompileException in project HotswapAgent by HotswapProjects.

the class ELResolverPlugin method checkApacheEL.

private static boolean checkApacheEL(CtClass ctClass) {
    try {
        // ApacheEL has field cache
        CtField field = ctClass.getField("cache");
        // Apache BeanELResolver (has cache property)
        ctClass.addField(new CtField(CtClass.booleanType, "$$ha$purgeRequested", ctClass), CtField.Initializer.constant(false));
        ctClass.addMethod(CtNewMethod.make("public void " + PURGE_CLASS_CACHE_METHOD_NAME + "(java.lang.ClassLoader classLoader) {" + "$$ha$purgeRequested=true;" + "}", ctClass));
        CtMethod mGetBeanProperty = ctClass.getDeclaredMethod("property");
        mGetBeanProperty.insertBefore("if($$ha$purgeRequested) {" + "$$ha$purgeRequested=false;" + "this.cache = new javax.el.BeanELResolver.ConcurrentCache(CACHE_SIZE); " + "}");
        return true;
    } catch (NotFoundException e1) {
    } catch (CannotCompileException e2) {
    }
    return false;
}

Example 9 with CannotCompileException

use of org.hotswap.agent.javassist.CannotCompileException in project HotswapAgent by HotswapProjects.

the class ELResolverPlugin method checkJuelEL.

private static boolean checkJuelEL(CtClass ctClass) {
    try {
        // JUEL, (JSF BeanELResolver[s])
        // check if we have purgeBeanClasses method
        CtMethod purgeMeth = ctClass.getDeclaredMethod("purgeBeanClasses");
        ctClass.addMethod(CtNewMethod.make("public void " + PURGE_CLASS_CACHE_METHOD_NAME + "(java.lang.ClassLoader classLoader) {" + "purgeBeanClasses(classLoader);" + "}", ctClass));
        return true;
    } catch (NotFoundException | CannotCompileException e) {
    // purgeBeanClasses method not found -do nothing
    }
    return false;
}

Example 10 with CannotCompileException

use of org.hotswap.agent.javassist.CannotCompileException in project HotswapAgent by HotswapProjects.

the class ClassFile method setSuperclass.

/**
 * Sets the super class.
 *
 * <p>
 * The new super class should inherit from the old super class.
 * This method modifies constructors so that they call constructors declared
 * in the new super class.
 */
public void setSuperclass(String superclass) throws CannotCompileException {
    if (superclass == null)
        superclass = "java.lang.Object";
    try {
        this.superClass = constPool.addClassInfo(superclass);
        ArrayList list = methods;
        int n = list.size();
        for (int i = 0; i < n; ++i) {
            MethodInfo minfo = (MethodInfo) list.get(i);
            minfo.setSuperclass(superclass);
        }
    } catch (BadBytecode e) {
        throw new CannotCompileException(e);
    }
    cachedSuperclass = superclass;
}