Example usage for java.lang ClassLoader loadClass

List of usage examples for java.lang ClassLoader loadClass

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Introduction

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

Prototype

public Class<?> loadClass(String name) throws ClassNotFoundException

Source Link

Document

Loads the class with the specified binary name.

Usage

From source file:hermes.browser.dialog.HermesAdminFactoryConfigPanel.java

public void setConfig(String classPathId, ProviderExtConfig newConfig) {
    this.config = newConfig;

    if (cfComboModel.getIndexOf(ConfigDAOImpl.DEFAULT_PLUGIN) == -1) {
        cfComboModel.addElement(ConfigDAOImpl.DEFAULT_PLUGIN);
    }//from www  .j a v a  2  s.  c om

    for (Iterator iter = HermesBrowser.getConfigDAO().getAdminFactories().iterator(); iter.hasNext();) {
        String adminFactoryName = (String) iter.next();
        String pluginName = HermesBrowser.getConfigDAO().getPlugInName(adminFactoryName);

        if (cfComboModel.getIndexOf(pluginName) == -1) {
            cfComboModel.addElement(pluginName);
        }
    }

    cfComboModel.setSelectedItem(HermesBrowser.getConfigDAO().getPlugInName(config.getClassName()));

    try {
        ClassLoaderManager classLoaderManager = (ClassLoaderManager) SingletonManager
                .get(ClassLoaderManager.class);
        ClassLoader classLoader = classLoaderManager.getClassLoader(classPathId);
        Thread.currentThread().setContextClassLoader(classLoader);

        bean = (HermesAdminFactory) classLoader.loadClass(config.getClassName()).newInstance();
    } catch (Throwable e) {
        cat.error(e.getMessage(), e);
    }

    try {

        if (config.getProperties() == null) {
            try {
                config.setProperties(HermesBrowser.getBrowser().getConfigDAO().createPropertySet());
            } catch (HermesException ex) {
                throw new HermesRuntimeException(ex);
            }
        }

        propertyTableModel = new PropertySetTableModel(bean, config.getProperties(), new HashSet());
        propertyTable.setModel(propertyTableModel);

        updateCellEditor();

        if (propertyTableModel.getProperties().size() == 0) {
            addItem.setEnabled(false);
            removeItem.setEnabled(false);
        }
    } catch (Throwable ex) {
        cat.error(ex.getMessage(), ex);
    }

    propertyTableModel.addTableModelListener(new TableModelListener() {
        public void tableChanged(TableModelEvent arg0) {
            dialog.setDirty();
        }
    });

}

From source file:com.google.gdt.eclipse.designer.util.GwtInvocationEvaluatorInterceptor.java

/**
 * Tweaks arguments to fix know problem cases.
 *///from   w ww  . j a  va2s  . c  om
private void fixArguments(Class<?> clazz, Constructor<?> constructor, Object[] arguments) throws Exception {
    if (clazz.getName().equals("com.google.gwt.user.client.ui.Tree")) {
        String signature = ReflectionUtils.getConstructorSignature(constructor);
        if (signature.equals("<init>(com.google.gwt.user.client.ui.TreeImages)")) {
            if (arguments[0] == null) {
                arguments[0] = ScriptUtils.evaluate(clazz.getClassLoader(),
                        CodeUtils.getSource("import com.google.gwt.core.client.GWT;",
                                "import com.google.gwt.user.client.ui.*;", "return GWT.create(TreeImages);"));
            }
        }
    }
    // prevent "null" as "cell" in CellList
    if (clazz.getName().equals("com.google.gwt.user.cellview.client.CellList")) {
        String signature = ReflectionUtils.getConstructorSignature(constructor);
        if (signature.equals("<init>(com.google.gwt.cell.client.Cell)")) {
            if (arguments[0] == null) {
                ClassLoader classLoader = clazz.getClassLoader();
                Class<?> classTextCell = classLoader.loadClass("com.google.gwt.cell.client.TextCell");
                arguments[0] = classTextCell.newInstance();
            }
        }
    }
}

From source file:info.sargis.eventbus.config.EventBusHandlerBeanDefinitionParser.java

@SuppressWarnings("unchecked")
protected TypeFilter createTypeFilter(Element element, ClassLoader classLoader) {
    String filterType = element.getAttribute(FILTER_TYPE_ATTRIBUTE);
    String expression = element.getAttribute(FILTER_EXPRESSION_ATTRIBUTE);
    try {//from   w  w  w.  ja  v a 2s  .co  m
        if ("annotation".equals(filterType)) {
            return new AnnotationTypeFilter((Class<Annotation>) classLoader.loadClass(expression));
        } else if ("assignable".equals(filterType)) {
            return new AssignableTypeFilter(classLoader.loadClass(expression));
        } else if ("regex".equals(filterType)) {
            return new RegexPatternTypeFilter(Pattern.compile(expression));
        } else if ("custom".equals(filterType)) {
            Class filterClass = classLoader.loadClass(expression);
            if (!TypeFilter.class.isAssignableFrom(filterClass)) {
                throw new IllegalArgumentException(
                        "Class is not assignable to [" + TypeFilter.class.getName() + "]: " + expression);
            }
            return (TypeFilter) BeanUtils.instantiateClass(filterClass);
        } else {
            throw new IllegalArgumentException("Unsupported filter type: " + filterType);
        }
    } catch (ClassNotFoundException ex) {
        throw new FatalBeanException("Type filter class not found: " + expression, ex);
    }
}

From source file:com.haulmont.cuba.desktop.sys.DesktopExternalUIComponentsSource.java

protected Class loadWindowLoader(Element rootElement, String loaderElem) {
    ClassLoader classLoader = App.class.getClassLoader();

    Element elem = rootElement.element(loaderElem);
    if (elem == null) {
        return null;
    }// w  w  w.ja  v a2 s  .c om

    String loaderClass = elem.element("class").getStringValue();
    try {
        Class clazz = classLoader.loadClass(loaderClass);

        if (loaders.get(loaderElem).isAssignableFrom(clazz)) {
            //noinspection unchecked
            return clazz;
        }

        log.warn("Class {} is not suitable as {}", loaderClass, loaderElem);
    } catch (ClassNotFoundException e) {
        log.warn("Unable to load window loader class: {}", loaderClass);
    }

    return null;
}

From source file:com.qmetry.qaf.automation.ui.selenium.SeleniumCommandProcessor.java

/**
 * @param listenerClasses/*from   w w w .  j  a  va 2s. com*/
 */
@SuppressWarnings("unchecked")
public void addListener(String... listenerClasses) {
    if (null != listenerClasses) {

        ClassLoader loader = Thread.currentThread().getContextClassLoader();
        for (String listenerClass : listenerClasses) {
            try {
                if (StringUtils.isEmpty(listenerClass)) {
                    continue;
                }
                Class<SeleniumCommandListener> cls = (Class<SeleniumCommandListener>) loader
                        .loadClass(listenerClass);

                SeleniumCommandListener listener = cls.newInstance();
                commandListeners.add(listener);
            } catch (Throwable e) {
                System.err.println("unable to register" + listenerClass + " as SeleniumCommandListener: "
                        + e.getMessage());
            }
        }
    }
}

From source file:com.google.gdt.eclipse.designer.model.widgets.UIObjectInfo.java

/**
 * Call enter() as if this UI was create as result of call from JavaScript.
 *///from  w w w  . j  av a  2  s.c om
private void call_Impl_enter() {
    if (isRoot()) {
        try {
            ClassLoader classLoader = JavaInfoUtils.getClassLoader(this);
            Class<?> class_Impl = classLoader.loadClass("com.google.gwt.core.client.impl.Impl");
            ReflectionUtils.invokeMethod(class_Impl, "enter()");
        } catch (Throwable e) {
        }
    }
}

From source file:com.google.gdt.eclipse.designer.model.widgets.UIObjectInfo.java

/**
 * Call exit() as if this UI was create as result of call from JavaScript.
 *//*w w w.j  av  a  2  s .c  om*/
private void call_Impl_exit() {
    if (isRoot()) {
        try {
            ClassLoader classLoader = JavaInfoUtils.getClassLoader(this);
            Class<?> class_Impl = classLoader.loadClass("com.google.gwt.core.client.impl.Impl");
            ReflectionUtils.invokeMethod(class_Impl, "exit(boolean)", true);
        } catch (Throwable e) {
        }
    }
}

From source file:it.cnr.icar.eric.client.ui.common.ReferenceAssociation.java

public void setReferenceAttributeOnSourceObject() throws JAXRException {
    String referenceAttribute = this.getReferenceAttribute();

    //Now use Refelection API to add target to src
    try {/*from  w  ww  .  j a va 2  s. c o m*/
        Class<? extends RegistryObject> srcClass = src.getClass();
        Class<?> targetClass = target.getClass();
        Class<?> registryObjectClass = null;

        String targetInterfaceName = targetClass.getName();
        targetInterfaceName = targetInterfaceName.substring(targetInterfaceName.lastIndexOf(".") + 1);

        if (targetInterfaceName.endsWith("Impl")) {
            //Remove Impl suffix for JAXR provider Impl classes
            targetInterfaceName = targetInterfaceName.substring(0, targetInterfaceName.length() - 4);
        }

        targetInterfaceName = "javax.xml.registry.infomodel." + targetInterfaceName;

        ClassLoader classLoader = srcClass.getClassLoader();

        try {
            targetClass = classLoader.loadClass(targetInterfaceName);
            registryObjectClass = classLoader.loadClass("javax.xml.registry.infomodel.RegistryObject");
        } catch (ClassNotFoundException e) {
            throw new JAXRException("No JAXR interface found by name " + targetInterfaceName);
        }

        @SuppressWarnings("static-access")
        String suffix = UIUtility.getInstance().initCapString(referenceAttribute);
        Method method = null;
        Class<?>[] paramTypes = new Class[1];

        //See if there is a simple attribute of this name using type of targetObject
        try {
            paramTypes[0] = targetClass;
            method = srcClass.getMethod("set" + suffix, paramTypes);

            Object[] params = new Object[1];
            params[0] = target;
            method.invoke(src, params);
            isCollectionRef = false;

            return;
        } catch (NoSuchMethodException | IllegalAccessException e) {
            method = null;
        }

        //See if there is a simple attribute of this name using base type RegistryObject
        try {
            paramTypes[0] = registryObjectClass;
            method = srcClass.getMethod("set" + suffix, paramTypes);

            Object[] params = new Object[1];
            params[0] = target;
            method.invoke(src, params);
            isCollectionRef = false;

            return;
        } catch (NoSuchMethodException | IllegalAccessException e) {
            method = null;
        }

        //See if there is a addCXXX method for suffix of XXX ending in "s" for plural
        if (suffix.endsWith("s")) {
            suffix = suffix.substring(0, suffix.length() - 1);
        }

        try {
            paramTypes[0] = targetClass;
            method = srcClass.getMethod("add" + suffix, paramTypes);

            Object[] params = new Object[1];
            params[0] = target;
            method.invoke(src, params);
            isCollectionRef = true;

            return;
        } catch (NoSuchMethodException | IllegalAccessException e) {
            method = null;
        }

        //See if there is a addCXXX method for suffix of XXX ending in "es" for plural
        if (suffix.endsWith("e")) {
            suffix = suffix.substring(0, suffix.length() - 1);
        }

        try {
            paramTypes[0] = targetClass;
            method = srcClass.getMethod("add" + suffix, paramTypes);

            Object[] params = new Object[1];
            params[0] = target;
            method.invoke(src, params);
            isCollectionRef = true;

            return;
        } catch (NoSuchMethodException | IllegalAccessException e) {
            method = null;
        }

        //Special case while adding child organization to an organization
        if (src instanceof Organization && target instanceof Organization) {
            try {
                paramTypes[0] = targetClass;
                method = srcClass.getMethod("addChildOrganization", paramTypes);

                Object[] params = new Object[1];
                params[0] = target;
                method.invoke(src, params);
                isCollectionRef = true;

                return;
            } catch (NoSuchMethodException | IllegalAccessException e) {
                method = null;
            }
        }
        throw new JAXRException("No method found for reference attribute " + referenceAttribute
                + " for src object of type " + srcClass.getName());
    } catch (IllegalArgumentException e) {
        throw new JAXRException(e);
    } catch (InvocationTargetException e) {
        throw new JAXRException(e.getCause());
    } catch (ExceptionInInitializerError e) {
        throw new JAXRException(e);
    }
}

From source file:org.jsonschema2pojo.integration.EnumIT.java

@Test
public void enumWithUppercaseProperty() throws ClassNotFoundException, NoSuchMethodException,
        IllegalAccessException, InvocationTargetException {

    ClassLoader resultsClassLoader = schemaRule
            .generateAndCompile("/schema/enum/enumWithUppercaseProperty.json", "com.example");

    resultsClassLoader.loadClass("com.example.EnumWithUppercaseProperty");
    resultsClassLoader.loadClass("com.example.EnumWithUppercaseProperty$TimeFormat");
}