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:org.jsonschema2pojo.integration.json.JsonTypesIT.java

@Test
public void numberIsMappedToBigDecimal() throws Exception {

    ClassLoader resultsClassLoader = schemaRule.generateAndCompile("/json/simpleTypes.json", "com.example",
            config("sourceType", "json", "useBigDecimals", true));

    Class<?> generatedType = resultsClassLoader.loadClass("com.example.SimpleTypes");

    Object deserialisedValue = OBJECT_MAPPER
            .readValue(this.getClass().getResourceAsStream("/json/simpleTypes.json"), generatedType);

    assertThat((BigDecimal) generatedType.getMethod("getC").invoke(deserialisedValue),
            is(new BigDecimal("12999999999999999999999.99")));
}

From source file:com.mg.jet.birt.report.data.oda.ejbql.HibernateUtil.java

private static synchronized void initSessionFactory(String hibfile, String mapdir, String jndiName)
        throws HibernateException {
    //ClassLoader cl1;

    if (sessionFactory == null) {

        if (jndiName == null || jndiName.trim().length() == 0)
            jndiName = CommonConstant.DEFAULT_JNDI_URL;
        Context initCtx = null;/* ww  w.  j a v  a  2 s. c  o  m*/
        try {
            initCtx = new InitialContext();
            sessionFactory = (SessionFactory) initCtx.lookup(jndiName);
            return;
        } catch (Exception e) {
            logger.log(Level.INFO, "Unable to get JNDI data source connection", e);
        } finally {
            if (initCtx != null)
                try {
                    initCtx.close();
                } catch (NamingException e) {
                    //ignore
                }
        }

        Thread thread = Thread.currentThread();
        try {
            //Class.forName("org.hibernate.Configuration");
            //Configuration ffff = new Configuration();
            //Class.forName("org.apache.commons.logging.LogFactory");

            oldloader = thread.getContextClassLoader();
            //Class thwy = oldloader.loadClass("org.hibernate.cfg.Configuration");
            //Class thwy2 = oldloader.loadClass("org.apache.commons.logging.LogFactory");
            //refreshURLs();
            //ClassLoader changeLoader = new URLClassLoader( (URL [])URLList.toArray(new URL[0]),HibernateUtil.class.getClassLoader());
            ClassLoader testLoader = new URLClassLoader((URL[]) URLList.toArray(new URL[0]), pluginLoader);
            //changeLoader = new URLClassLoader( (URL [])URLList.toArray(new URL[0]));

            thread.setContextClassLoader(testLoader);
            //Class thwy2 = changeLoader.loadClass("org.hibernate.cfg.Configuration");
            //Class.forName("org.apache.commons.logging.LogFactory", true, changeLoader);
            //Class cls = Class.forName("org.hibernate.cfg.Configuration", true, changeLoader);
            //Configuration cfg=null;
            //cfg = new Configuration();
            //Object oo = cls.newInstance();
            //Configuration cfg = (Configuration)oo;
            Configuration cfg = new Configuration();
            buildConfig(hibfile, mapdir, cfg);

            Class<? extends Driver> driverClass = testLoader
                    .loadClass(cfg.getProperty("connection.driver_class")).asSubclass(Driver.class);
            Driver driver = driverClass.newInstance();
            WrappedDriver wd = new WrappedDriver(driver, cfg.getProperty("connection.driver_class"));

            boolean foundDriver = false;
            Enumeration<Driver> drivers = DriverManager.getDrivers();
            while (drivers.hasMoreElements()) {
                Driver nextDriver = (Driver) drivers.nextElement();
                if (nextDriver.getClass() == wd.getClass()) {
                    if (nextDriver.toString().equals(wd.toString())) {
                        foundDriver = true;
                        break;
                    }
                }
            }
            if (!foundDriver) {

                DriverManager.registerDriver(wd);
            }

            sessionFactory = cfg.buildSessionFactory();
            //configuration = cfg;
            HibernateMapDirectory = mapdir;
            HibernateConfigFile = hibfile;
        } catch (Throwable e) {
            e.printStackTrace();
            throw new HibernateException("No Session Factory Created " + e.getLocalizedMessage(), e);
        } finally {
            thread.setContextClassLoader(oldloader);
        }
    }
}

From source file:org.jboss.snowdrop.context.support.JBossActivationSpecBeanDefinitionParser.java

private String detectJBossActivationSpecClass(ParserContext parserContext) {
    ClassLoader classLoader = parserContext.getReaderContext().getBeanClassLoader();
    if (classLoader == null) {
        classLoader = ClassUtils.getDefaultClassLoader();
    }//from  w  w  w . ja va 2s.c  o  m
    for (String activationSpecClassNameCandidate : ACTIVATION_SPEC_CLASSNAME_CANDIDATES) {
        try {
            classLoader.loadClass(activationSpecClassNameCandidate);
            return activationSpecClassNameCandidate;
        } catch (ClassNotFoundException e) {
            // ignore
        }
    }

    throw new BeanCreationException("Cannot find a suitable ActivationSpec class on the classpath");
}

From source file:org.jsonschema2pojo.integration.json.JsonTypesIT.java

@Test
public void arrayItemsAreRecursivelyMerged() throws Exception {

    ClassLoader resultsClassLoader = schemaRule.generateAndCompile("/json/complexPropertiesInArrayItem.json",
            "com.example", config("sourceType", "json"));
    Class<?> genType = resultsClassLoader.loadClass("com.example.ComplexPropertiesInArrayItem");
    Class<?> listItemType = resultsClassLoader.loadClass("com.example.List");
    Class<?> objItemType = resultsClassLoader.loadClass("com.example.Obj");

    Object[] items = (Object[]) OBJECT_MAPPER.readValue(
            this.getClass().getResourceAsStream("/json/complexPropertiesInArrayItem.json"),
            Array.newInstance(genType, 0).getClass());
    {/*  w ww  . j ava  2s  . com*/
        Object item = items[0];

        List<?> itemList = (List<?>) genType.getMethod("getList").invoke(item);
        assertThat((Integer) listItemType.getMethod("getA").invoke(itemList.get(0)), is(1));
        assertThat((String) listItemType.getMethod("getC").invoke(itemList.get(0)), is("hey"));
        assertNull(listItemType.getMethod("getB").invoke(itemList.get(0)));

        Object itemObj = genType.getMethod("getObj").invoke(item);
        assertThat((String) objItemType.getMethod("getName").invoke(itemObj), is("k"));
        assertNull(objItemType.getMethod("getIndex").invoke(itemObj));
    }
    {
        Object item = items[1];

        List<?> itemList = (List<?>) genType.getMethod("getList").invoke(item);
        assertThat((Integer) listItemType.getMethod("getB").invoke(itemList.get(0)), is(177));
        assertThat((String) listItemType.getMethod("getC").invoke(itemList.get(0)), is("hey again"));
        assertNull(listItemType.getMethod("getA").invoke(itemList.get(0)));

        Object itemObj = genType.getMethod("getObj").invoke(item);
        assertThat((Integer) objItemType.getMethod("getIndex").invoke(itemObj), is(8));
        assertNull(objItemType.getMethod("getName").invoke(itemObj));
    }
}

From source file:com.googlecode.jsonschema2pojo.integration.AdditionalPropertiesIT.java

@Test
public void additionalPropertiesOfBooleanTypeOnly()
        throws SecurityException, NoSuchMethodException, ClassNotFoundException {

    ClassLoader resultsClassLoader = generateAndCompile(
            "/schema/additionalProperties/additionalPropertiesPrimitiveBoolean.json", "com.example",
            config("usePrimitives", true));

    Class<?> classWithNoAdditionalProperties = resultsClassLoader
            .loadClass("com.example.AdditionalPropertiesPrimitiveBoolean");
    Method getter = classWithNoAdditionalProperties.getMethod("getAdditionalProperties");

    assertThat(((ParameterizedType) getter.getGenericReturnType()).getActualTypeArguments()[1],
            is(equalTo((Type) Boolean.class)));

    // setter with these types should exist:
    classWithNoAdditionalProperties.getMethod("setAdditionalProperties", String.class, boolean.class);

}

From source file:net.mlw.vlh.adapter.jdbc.dynabean.fix.JDBCDynaClass.java

/**
 * <p>Loads and returns the <code>Class</code> of the given name.
 * By default, a load from the thread context class loader is attempted.
 * If there is no such class loader, the class loader used to load this
 * class will be utilized.</p>//  www . j av a2 s. c om
 *
 * @exception SQLException if an exception was thrown trying to load
 *  the specified class
 */
protected Class loadClass(String className) throws SQLException {

    try {
        ClassLoader cl = Thread.currentThread().getContextClassLoader();
        if (cl == null) {
            cl = this.getClass().getClassLoader();
        }
        return (cl.loadClass(className));
    } catch (Exception e) {
        throw new SQLException("Cannot load column class '" + className + "': " + e);
    }

}

From source file:org.jsonschema2pojo.integration.config.CustomAnnotatorIT.java

@Test
@SuppressWarnings({ "rawtypes", "unchecked" })
public void customAnnotatorCanBeAppliedAlongsideCoreAnnotator()
        throws ClassNotFoundException, SecurityException, NoSuchMethodException {

    ClassLoader resultsClassLoader = schemaRule.generateAndCompile(
            "/schema/properties/primitiveProperties.json", "com.example",
            config("customAnnotator", DeprecatingAnnotator.class.getName()));

    Class generatedType = resultsClassLoader.loadClass("com.example.PrimitiveProperties");

    Method getter = generatedType.getMethod("getA");

    assertThat(generatedType.getAnnotation(JsonPropertyOrder.class), is(notNullValue()));
    assertThat(generatedType.getAnnotation(JsonInclude.class), is(notNullValue()));
    assertThat(getter.getAnnotation(JsonProperty.class), is(notNullValue()));

    assertThat(generatedType.getAnnotation(Deprecated.class), is(notNullValue()));
    assertThat(generatedType.getAnnotation(Deprecated.class), is(notNullValue()));
    assertThat(getter.getAnnotation(Deprecated.class), is(notNullValue()));
}

From source file:com.google.gdt.eclipse.designer.gxt.databinding.model.beans.BeanSupport.java

public BeanSupport(ClassLoader classLoader, AstEditor editor, IJavaProject javaProject) throws Exception {
    m_classLoader = classLoader;//from  ww w  . ja v  a 2s  . c om
    m_editor = editor;
    m_javaProject = javaProject == null ? editor.getJavaProject() : javaProject;
    m_ModelDataClass = classLoader.loadClass("com.extjs.gxt.ui.client.data.ModelData");
}

From source file:com.vecna.taglib.processor.JspAnnotationsProcessor.java

/**
 * Scan a package for class files and add their metadata to a taglib model
 * @param pkg the package to scan//  w ww  . ja  va  2s . co m
 * @param taglib the taglib model
 * @param loader the class loader to use
 * @param lookInsideJars whether to look inside jars
 */
public void addLocalMetadata(String pkg, JspTaglibModel taglib, ClassLoader loader, boolean lookInsideJars) {
    Collection<String> classes = scanClasspath(pkg, loader, lookInsideJars);
    for (String className : classes) {
        try {
            Class<?> cls = loader.loadClass(className);
            addMetadata(cls, taglib);
        } catch (ClassNotFoundException e) {
            s_log.warn("couldn't load class", e);
        }
    }
}