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:de.micromata.genome.gwiki.plugin.CombinedClassLoader.java

@Override
protected Class<?> findClass(String name) throws ClassNotFoundException {
    for (ClassLoader cl : parents) {
        try {/*  w  w  w  . j av  a 2 s .c  o m*/
            Class<?> ret = cl.loadClass(name);
            if (ret != null) {
                return ret;
            }
        } catch (ClassNotFoundException cnf) {
            // ignore
        }
    }
    // the parent will do it.
    return super.findClass(name);
}

From source file:javadz.beanutils.converters.ClassConverter.java

/**
 * <p>Convert the input object into a java.lang.Class.</p>
 *
 * @param type Data type to which this value should be converted.
 * @param value The input value to be converted.
 * @return The converted value.//  w ww .  j  a v  a 2  s .  c  o m
 * @throws Throwable if an error occurs converting to the specified type
 * @since 1.8.0
 */
protected Object convertToType(Class type, Object value) throws Throwable {
    ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
    if (classLoader != null) {
        try {
            return (classLoader.loadClass(value.toString()));
        } catch (ClassNotFoundException ex) {
            // Don't fail, carry on and try this class's class loader
            // (see issue# BEANUTILS-263)
        }
    }

    // Try this class's class loader
    classLoader = ClassConverter.class.getClassLoader();
    return (classLoader.loadClass(value.toString()));
}

From source file:com.acciente.induction.init.RequestInterceptorInitializer.java

public static RequestInterceptor[] getRequestInterceptor(Config.RequestInterceptors oRequestInterceptorsConfig,
        ModelPool oModelPool, ClassLoader oClassLoader, ServletConfig oServletConfig)
        throws ClassNotFoundException, InvocationTargetException, ConstructorNotFoundException,
        ParameterProviderException, IllegalAccessException, InstantiationException {
    RequestInterceptor[] oRequestInterceptorArray;
    String sRequestInterceptorClassName;
    Log oLog;/*from  ww  w .  j  av  a  2s.  c om*/

    oLog = LogFactory.getLog(RequestInterceptorInitializer.class);

    oRequestInterceptorArray = new RequestInterceptor[oRequestInterceptorsConfig.getRequestInterceptorList()
            .size()];

    for (int i = 0; i < oRequestInterceptorsConfig.getRequestInterceptorList().size(); i++) {
        Config.RequestInterceptors.RequestInterceptor oRequestInterceptorConfig;

        oRequestInterceptorConfig = (Config.RequestInterceptors.RequestInterceptor) oRequestInterceptorsConfig
                .getRequestInterceptorList().get(i);

        sRequestInterceptorClassName = oRequestInterceptorConfig.getClassName();

        oLog.info("loading user-defined request interceptor: " + sRequestInterceptorClassName);

        Class oRequestInterceptorClass = oClassLoader.loadClass(sRequestInterceptorClassName);

        // attempt to find and call the single public constructor
        oRequestInterceptorArray[i] = (RequestInterceptor) ObjectFactory.createObject(oRequestInterceptorClass,
                new Object[] { oServletConfig, oRequestInterceptorConfig, oClassLoader },
                new InitializerParameterProvider(oModelPool, "request-interceptor-init"));
    }

    return oRequestInterceptorArray;
}

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

@Test(expected = ClassNotFoundException.class)
public void SuffixWithDefaultPackageName() throws ClassNotFoundException {
    ClassLoader resultsClassLoader = generateAndCompile("/schema/properties/primitiveProperties.json", "",
            config("classNameSuffix", "Dao"));
    resultsClassLoader.loadClass("com.example.NotExistingPrimitiveProperties");
}

From source file:com.wingnest.blueprints.impls.jpa.internal.wrappers.EntityManagerFactoryWrapper.java

public EntityManagerFactoryWrapper(String persistanceUnitName, @SuppressWarnings("rawtypes") Map props) {
    super();/*from w  ww  .  j ava 2  s  .c om*/
    String pPersistanceUnitName = persistanceUnitName != null ? persistanceUnitName
            : System.getProperty("jpagraph.unit-name");
    if (pPersistanceUnitName == null) {
        ClassLoader cl = this.getClass().getClassLoader();
        try {
            cl.loadClass("com.objectdb.jpa.EMF");
            pPersistanceUnitName = "ObjectDbUnit";
        } catch (ClassNotFoundException e) {
        }
        try {
            cl.loadClass("org.eclipse.persistence.internal.jpa.EntityManagerFactoryImpl");
            pPersistanceUnitName = "EclipseLinkUnit";
        } catch (ClassNotFoundException e) {
        }
        try {
            cl.loadClass("org.hibernate.jpa.internal.EntityManagerFactoryImpl");
            pPersistanceUnitName = "HibernateUnit";
        } catch (ClassNotFoundException e) {
        }
    }

    if (pPersistanceUnitName == null)
        throw BpJpaExceptionFactory.cannotBeNull("pPersistanceUnitName");
    if (pPersistanceUnitName.length() == 0)
        throw BpJpaExceptionFactory.cannotBeEmpty("pPersistanceUnitName");

    logger.debug(String.format("persistanceUnitName = %s", pPersistanceUnitName));
    try {
        this.entityManagerFactory = Persistence.createEntityManagerFactory(pPersistanceUnitName, props);
        logger.debug("EntityManagerFactory class : " + entityManagerFactory.getClass().getName());
        this.damper = DamperFactory.create(this.entityManagerFactory);
    } catch (RuntimeException e) {
        logger.error(String.format("Called Persistence.createEntityManagerFactory: persistanceUnitName = '%s'",
                pPersistanceUnitName), e);
        throw e;
    }
}

From source file:com.googlecode.jsonschema2pojo.integration.config.AnnotationStyleIT.java

@Test
@SuppressWarnings({ "rawtypes", "unchecked" })
public void annotationStyleJackson2ProducesJackson2Annotations()
        throws ClassNotFoundException, SecurityException, NoSuchMethodException {

    File generatedOutputDirectory = generate("/schema/properties/primitiveProperties.json", "com.example",
            config("annotationStyle", "jackson2"));

    assertThat(generatedOutputDirectory, not(containsText("org.codehaus.jackson")));
    assertThat(generatedOutputDirectory, containsText("com.fasterxml.jackson"));

    ClassLoader resultsClassLoader = compile(generatedOutputDirectory);

    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()));
}

From source file:com.googlecode.jsonschema2pojo.integration.config.AnnotationStyleIT.java

@Test
@SuppressWarnings({ "rawtypes", "unchecked" })
public void annotationStyleJackson1ProducesJackson1Annotations()
        throws ClassNotFoundException, SecurityException, NoSuchMethodException {

    File generatedOutputDirectory = generate("/schema/properties/primitiveProperties.json", "com.example",
            config("annotationStyle", "jackson1"));

    assertThat(generatedOutputDirectory, not(containsText("com.fasterxml.jackson")));
    assertThat(generatedOutputDirectory, containsText("org.codehaus.jackson"));

    ClassLoader resultsClassLoader = compile(generatedOutputDirectory);

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

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

    assertThat(generatedType.getAnnotation(org.codehaus.jackson.annotate.JsonPropertyOrder.class),
            is(notNullValue()));/*from  ww  w  .j a  v  a  2s. c  o  m*/
    assertThat(generatedType.getAnnotation(org.codehaus.jackson.map.annotate.JsonSerialize.class),
            is(notNullValue()));
    assertThat(getter.getAnnotation(org.codehaus.jackson.annotate.JsonProperty.class), is(notNullValue()));
}

From source file:com.googlecode.jsonschema2pojo.integration.json.RealJsonExamplesIT.java

@Test
public void getUserDataProducesValidTypes() throws Exception {

    ClassLoader resultsClassLoader = generateAndCompile("/json/examples/GetUserData.json", "com.example",
            config("sourceType", "json"));

    Class<?> userDataType = resultsClassLoader.loadClass("com.example.GetUserData");

    Object userData = OBJECT_MAPPER
            .readValue(this.getClass().getResourceAsStream("/json/examples/GetUserData.json"), userDataType);
    Object result = userDataType.getMethod("getResult").invoke(userData);
    Object data = result.getClass().getMethod("getData").invoke(result);
    Object userUIPref = data.getClass().getMethod("getUserUIPref").invoke(data);

    assertThat(userUIPref.getClass().getMethod("getPimColor").invoke(userUIPref).toString(), is("blue"));

    Object externalAccounts = data.getClass().getMethod("getExternalAccounts").invoke(data);
    Object extAccount = externalAccounts.getClass().getMethod("getExtAccount").invoke(externalAccounts);
    Object extAccount0 = ((List<?>) extAccount).get(0);
    assertThat(extAccount0.getClass().getMethod("getFolder").invoke(extAccount0).toString(), is("Inbox"));

}

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

@Test(expected = ClassNotFoundException.class)
public void PrefixWithDefaultPackageName() throws ClassNotFoundException {
    ClassLoader resultsClassLoader = generateAndCompile("/schema/properties/primitiveProperties.json", "",
            config("classNamePrefix", "Abstract"));
    resultsClassLoader.loadClass("com.example.NotExistingPrimitiveProperties");
}

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

@SuppressWarnings({ "unchecked", "rawtypes" })
private void assertJsonRoundTrip(ClassLoader resultsClassLoader, String className, String jsonResource)
        throws ClassNotFoundException, IOException {
    Class generatedType = resultsClassLoader.loadClass(className);

    String expectedJson = IOUtils.toString(getClass().getResource(jsonResource));
    Object javaInstance = new Gson().fromJson(expectedJson, generatedType);
    String actualJson = new Gson().toJson(javaInstance);

    assertEqualsJson(expectedJson, actualJson);
}