Example usage for java.lang Class getDeclaredFields

Introduction

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

Prototype

@CallerSensitive
public Field[] getDeclaredFields() throws SecurityException

Source Link

Document

Returns an array of Field objects reflecting all the fields declared by the class or interface represented by this Class object.

Usage

From source file:com.fengduo.bee.commons.util.ObjectUtils.java

/**
 * string?trim?/*from w w  w  .jav  a2  s  . c o m*/
 * 
 * @param object
 * @throws Exception
 */
@SuppressWarnings({ "unchecked", "rawtypes" })
private static void trimStringField(Object object, Class<?> clazz) throws Exception {
    if (object instanceof Map<?, ?>) {
        Map<Object, Object> target = new HashMap<Object, Object>();
        for (Entry<?, ?> entry : ((Map<?, ?>) object).entrySet()) {
            Object key = entry.getKey();
            Object value = entry.getValue();

            if (key instanceof String) {
                key = StringUtils.trim((String) key);
            } else {
                trim(key);
            }

            if (value instanceof String) {
                value = StringUtils.trim((String) value);
                value = StringUtils.replace((String) value, "\"", StringUtils.EMPTY);
            } else {
                trim(value);
            }
            target.put(key, value);
        }
        ((Map<?, ?>) object).clear();
        ((Map) object).putAll((Map) target);
        return;
    }
    Field[] fields = clazz.getDeclaredFields();
    for (Field field : fields) {
        if (field.getType() == String.class) {
            boolean isFoolback = false;
            if (field.isAccessible() == false) {
                isFoolback = true;
                field.setAccessible(true);
            }
            String value = (String) field.get(object);
            if (StringUtils.isNotEmpty(value)) {
                value = value.trim();
                field.set(object, value);
            }
            if (isFoolback) {
                field.setAccessible(false);
            }
        }
    }
}

From source file:cn.org.eshow.framwork.soap.AbSoapParams.java

/**
 * Instantiates a new ab soap params.//ww w .j a v  a 2s  .  c  om
 * 
 * @param obj
 *            the obj
 */
public AbSoapParams(Object obj) {
    try {
        init();
        Class<?> clazz = obj.getClass();
        Field[] fields = clazz.getDeclaredFields();
        for (Field field : fields) {
            String fieldName = field.getName();
            field.setAccessible(true);
            String fieldValue = (String) field.get(obj);
            params.put(fieldName, fieldValue);
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
}

From source file:net.pkhsolutions.ceres.ddd.jpa.AbstractJpaEmbeddableValueObject.java

/**
 * This implementation uses reflection to calculate the hash code based on
 * all declared fields in this class and all super classes except
 * <code>Object</code>. Subclasses that do not want to include all fields in
 * the calculation, or that do no want to use reflection, may override. <p>
 * {@inheritDoc }/*from ww  w . ja  v a  2s.c om*/
 */
@Override
public int hashCode() {
    HashCodeBuilder builder = new HashCodeBuilder();
    try {
        Class<?> clazz = getClass();
        while (clazz != Object.class) {
            for (Field f : clazz.getDeclaredFields()) {
                final boolean oldAccessible = f.isAccessible();
                f.setAccessible(true);
                try {
                    builder.append(f.get(this));
                } finally {
                    f.setAccessible(oldAccessible);
                }
            }
            clazz = clazz.getSuperclass();
        }
    } catch (Exception e) {
        throw new RuntimeException("Could not calculate hashcode", e);
    }
    return builder.toHashCode();
}

From source file:HashCodeAssist.java

/**
 * <p>/*  w w  w . j av  a  2 s.c  o  m*/
 * Appends the fields and values defined by the given object of the given
 * <code>Class</code>.
 * </p>
 * 
 * @param object
 *            the object to append details of
 * @param clazz
 *            the class to append details of
 * @param builder
 *            the builder to append to
 * @param useTransients
 *            whether to use transient fields
 * @param excludeFields
 *            Collection of String field names to exclude from use in
 *            calculation of hash code
 */
private static void reflectionAppend(Object object, Class<?> clazz, HashCodeAssist builder,
        boolean useTransients, String... excludeFields) {
    if (isRegistered(object)) {
        return;
    }
    try {
        register(object);
        Field[] fields = clazz.getDeclaredFields();
        List<String> excludedFieldList = excludeFields != null ? Arrays.asList(excludeFields)
                : Collections.EMPTY_LIST;
        AccessibleObject.setAccessible(fields, true);
        for (int i = 0; i < fields.length; i++) {
            Field field = fields[i];
            if (!excludedFieldList.contains(field.getName()) && (field.getName().indexOf('$') == -1)
                    && (useTransients || !Modifier.isTransient(field.getModifiers()))
                    && (!Modifier.isStatic(field.getModifiers()))) {
                try {
                    Object fieldValue = field.get(object);
                    builder.append(fieldValue);
                } catch (IllegalAccessException e) {
                    // this can't happen. Would get a Security exception
                    // instead
                    // throw a runtime exception in case the impossible
                    // happens.
                    throw new InternalError("Unexpected IllegalAccessException");
                }
            }
        }
    } finally {
        unregister(object);
    }
}

From source file:org.openlmis.fulfillment.ExposedMessageSourceIntegrationTest.java

private Set<String> getConstantValues(Class clazz) throws IllegalAccessException {
    Set<String> set = new HashSet<>();

    for (Field field : clazz.getDeclaredFields()) {
        int modifiers = field.getModifiers();

        if (isPublic(modifiers) && isStatic(modifiers) && isFinal(modifiers)) {
            set.add(String.valueOf(field.get(null)));
        }//w  w  w .j a v  a 2  s.c om
    }

    return set;
}

From source file:com.redhat.rhn.frontend.nav.test.NavNodeTest.java

public void testLocalizedName() throws Exception {
    NavNode n1 = new NavNode();
    String randName = TestUtils.randomString();
    n1.setName(randName);/* w w w . j ava 2s.c o  m*/
    node.addNode(n1);

    NavNode n2 = node.getNodes().get(0);
    assertEquals("**" + randName + "**", n2.getName());
    Class c = n2.getClass();
    Field[] fields = c.getDeclaredFields();
    String privateValue = null;
    for (int i = 0; i < fields.length; i++) {
        if (fields[i].getName().equals("name")) {
            fields[i].setAccessible(true);
            privateValue = (String) fields[i].get(n1);
        }
    }
    assertEquals(randName, privateValue);

}

From source file:com.cassius.spring.assembly.test.common.process.AbstractAnoProcessor.java

/**
 * Process before test execution//from   w w  w.j  a  v a  2 s .c  o  m
 *
 * @param context Spring Context
 * @param instance Test instance
 * @throws Exception the exception
 */
@Override
public void before(ApplicationContext context, Object instance) throws Exception {
    Class<?> clazz = instance.getClass();
    while (clazz != null) {
        Field[] fields = clazz.getDeclaredFields();
        for (Field field : fields) {
            if (needProcessBefore(instance, field)) {
                doProcessBefore(context, instance, field);
            }
        }
        clazz = clazz.getSuperclass();
    }
}

From source file:com.cassius.spring.assembly.test.common.process.AbstractAnoProcessor.java

/**
 * Process after test execution/* w w  w  . j  a v  a 2 s .c om*/
 *
 * @param context Spring Context
 * @param instance Test instance
 * @throws Exception the exception
 */
@Override
public void after(ApplicationContext context, Object instance) throws Exception {
    Class<?> clazz = instance.getClass();
    while (clazz != null) {
        Field[] fields = clazz.getDeclaredFields();
        for (Field field : fields) {
            if (needProcessAfter(instance, field)) {
                doProcessAfter(context, instance, field);
            }
        }
        clazz = clazz.getSuperclass();
    }
}

From source file:com.geodevv.testing.irmina.MockedOrSpiedInjectionPointScanner.java

public List<InjectionPointDefinition> scanForMock(Class<?> aClass) {

    ArrayList<InjectionPointDefinition> result = Lists.newArrayList();

    for (Field field : aClass.getDeclaredFields()) {
        Mock annotation = field.getAnnotation(Mock.class);

        if (annotation != null) {
            List<Annotation> annotations = getQualifierOrNamed(field);
            result.add(new InjectionPointDefinition(annotations, field.getType()));
        }//from   w  ww.j  ava  2 s  .  c o m
    }

    return result;
}

From source file:com.geodevv.testing.irmina.MockedOrSpiedInjectionPointScanner.java

public List<InjectionPointDefinition> scanForSpies(Class<?> aClass) {

    ArrayList<InjectionPointDefinition> result = Lists.newArrayList();

    for (Field field : aClass.getDeclaredFields()) {
        Spy annotation = field.getAnnotation(Spy.class);

        if (annotation != null) {
            List<Annotation> annotations = getQualifierOrNamed(field);
            result.add(new InjectionPointDefinition(annotations, field.getType()));
        }//  w  ww .j a  v a 2s  . c om
    }

    return result;
}