Example usage for java.lang Class getDeclaredField

Introduction

In this page you can find the example usage for java.lang Class getDeclaredField.

Prototype

@CallerSensitive
public Field getDeclaredField(String name) throws NoSuchFieldException, SecurityException

Source Link

Document

Returns a Field object that reflects the specified declared field of the class or interface represented by this Class object.

Usage

From source file:com.agimatec.validation.util.PropertyAccess.java

public Object get(Object bean) {
    try {//  w ww.  j ava  2s.  c  o m
        if (rememberField != null) { // cache field of previous access
            return rememberField.get(bean);
        }

        try { // try public method
            return getProperty(bean, propertyName);
        } catch (NoSuchMethodException ex) {
            Object value;
            try { // try public field
                Field aField = bean.getClass().getField(propertyName);
                value = aField.get(bean);
                rememberField = aField;
                return value;
            } catch (NoSuchFieldException ex2) {
                // search for private/protected field up the hierarchy
                Class theClass = bean.getClass();
                while (theClass != null) {
                    try {
                        Field aField = theClass.getDeclaredField(propertyName);
                        if (!aField.isAccessible()) {
                            aField.setAccessible(true);
                        }
                        value = aField.get(bean);
                        rememberField = aField;
                        return value;
                    } catch (NoSuchFieldException ex3) {
                        // do nothing
                    }
                    theClass = theClass.getSuperclass();
                }
                throw new IllegalArgumentException("cannot access field " + propertyName);
            }
        }
    } catch (IllegalArgumentException e) {
        throw e;
    } catch (Exception e) {
        throw new IllegalArgumentException("cannot access " + propertyName, e);
    }
}

From source file:io.neba.spring.web.NebaRequestContextFilterTest.java

private boolean valueOfField(Class type, String fieldName) throws NoSuchFieldException, IllegalAccessException {
    Field declaredField = type.getDeclaredField(fieldName);
    declaredField.setAccessible(true);/*from  w w  w  . java  2  s .c o m*/
    return (boolean) declaredField.get(this.testee);
}

From source file:br.edu.ifes.bd2hibernate.cgt.Menu.java

private Object scanSpecific(String fieldName, Scanner sc, Class c) throws NoSuchFieldException {

    Field field = c.getDeclaredField(fieldName);
    boolean valid = false;
    Object value = null;//from   w  ww . j  av a 2  s .  c  o  m

    while (!valid) {
        System.out.println(this.messages.get(fieldName.toUpperCase()));
        String type = field.getType().getSimpleName();

        switch (type.toUpperCase()) {
        case "STRING":
            value = sc.nextLine();
            valid = true;
            break;
        case "DATE":
            String date = sc.nextLine();
            valid = this.dateValidator.validate(date);
            if (valid)
                value = convertStringToDate(date);
            break;
        case "INT":
            value = sc.nextInt();
            valid = true;
            break;
        case "FLOAT":
            value = sc.nextFloat();
            valid = true;
            break;
        }
    }

    return value;
}

From source file:br.ajmarques.cordova.plugin.localnotification.Options.java

/**
 * Gibt den Zahlwert des Icons an.//from  w ww .j  a  v a2 s .  c o m
 *
 * @param {String} className
 * @param {String} iconName
 */
private int getIconValue(String className, String iconName) {
    int icon = 0;

    try {
        Class<?> klass = Class.forName(className + ".R$drawable");

        icon = (Integer) klass.getDeclaredField(iconName).get(Integer.class);
    } catch (Exception e) {
    }

    return icon;
}

From source file:com.evanzeimet.queryinfo.jpa.result.AbstractTupleToPojoQueryInfoResultConverter.java

protected MethodHandle findFieldPutHandle(Class<?> hostClass, String memberName, Class<?> elementJavaType) {
    MethodHandle result = null;//from  w w  w . j  a va 2 s  .c o m

    try {
        Field field = hostClass.getDeclaredField(memberName);
        field.setAccessible(true);
        result = MethodHandles.lookup().unreflectSetter(field);
    } catch (NoSuchFieldException | SecurityException | IllegalAccessException e) {
        String message = String.format("Could not find field put handle for field [%s]", memberName);
        logger.debug(message);
    }

    if (result == null) {
        Class<?> hostSuperclass = hostClass.getSuperclass();

        if (hostSuperclass != null) {
            result = findFieldPutHandle(hostSuperclass, memberName, elementJavaType);
        }
    }

    return result;
}

From source file:io.cloudslang.lang.compiler.caching.CachedPrecompileServiceImplTest.java

@Test
public void testInit() throws Exception {
    CachedPrecompileServiceImpl cachedPrecompileService = new CachedPrecompileServiceImpl();
    cachedPrecompileService.init();//  w w w  .  j  a v  a 2 s . com

    Class<? extends CachedPrecompileServiceImpl> cachePrecompileClass = cachedPrecompileService.getClass();
    Field cachePrecompileClassField = cachePrecompileClass.getDeclaredField(CACHE);

    cachePrecompileClassField.setAccessible(true);
    @SuppressWarnings("unchecked")
    Cache<String, CacheValue> internalCache = (Cache<String, CacheValue>) cachePrecompileClassField
            .get(cachedPrecompileService);
    Assert.assertNotNull(internalCache);
}

From source file:edu.brown.statistics.AbstractStatistics.java

protected String debug(Database catalog_db, Enum<?> elements[]) {
    Map<String, Object> m = new ListOrderedMap<String, Object>();
    try {//  w  w w . j  a  v  a  2  s  .c  om
        Class<?> statsClass = this.getClass();
        for (Enum<?> element : elements) {
            Field field = statsClass.getDeclaredField(element.toString().toLowerCase());
            Object value = field.get(this);

            if (field.getClass().isAssignableFrom(SortedMap.class)) {
                SortedMap<?, ?> orig_value = (SortedMap<?, ?>) value;
                Map<String, Object> inner_m = new ListOrderedMap<String, Object>();
                for (Object inner_key : orig_value.keySet()) {
                    Object inner_val = orig_value.get(inner_key);
                    if (inner_val instanceof AbstractStatistics<?>) {
                        inner_val = ((AbstractStatistics<?>) inner_val).debug(catalog_db);
                    }
                    inner_m.put(inner_key.toString(), inner_val);
                } // FOR
                value = StringUtil.formatMaps(inner_m);
            }
            m.put(element.toString(), value);
        } // FOR
    } catch (Exception ex) {
        ex.printStackTrace();
        System.exit(1);
    }
    return (String.format("%s\n%s", this.getCatalogItem(catalog_db),
            StringUtil.prefix(StringUtil.formatMaps(m), DEBUG_SPACER)));
}

From source file:jp.co.golorp.emarf.model.Models.java

/**
 * ??????????/*from   w  w w  . ja  v a  2s.  c o  m*/
 *
 * @param <T>
 *            
 * @param bean
 *            ??bean
 */
private static <T> void cp2org(final T bean) {
    Class<?> clazz = bean.getClass();
    Field[] fields = clazz.getDeclaredFields();
    for (Field field : fields) {
        if (field.getName().startsWith(BeanGenerator.ORG_PREFIX)) {
            try {
                String orgName = field.getName();
                String propertyName = orgName.replaceFirst(BeanGenerator.ORG_PREFIX, "");
                Field property = clazz.getDeclaredField(propertyName);
                field.setAccessible(true);
                property.setAccessible(true);
                Object value = property.get(bean);
                field.set(bean, value);
            } catch (Exception e) {
                throw new SystemError(e);
            }
        }
    }
}

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

@Test
public void annotationStyleJackson2ProducesJsonPropertyDescription() throws Exception {
    Class<?> generatedType = schemaRule.generateAndCompile("/schema/description/description.json",
            "com.example", config("annotationStyle", "jackson2")).loadClass("com.example.Description");

    Field field = generatedType.getDeclaredField("description");
    assertThat(field.getAnnotation(JsonPropertyDescription.class).value(),
            is("A description for this property"));
}