Examples with ObjectStreamField java.io.ObjectStreamField used on opensource projects

Example 6 with ObjectStreamField

use of java.io.ObjectStreamField in project wicket by apache.

the class CheckingObjectOutputStream method checkFields.

private void checkFields(Object obj, ObjectStreamClass desc) {
    int numFields;
    try {
        numFields = (Integer) GET_NUM_OBJ_FIELDS_METHOD.invoke(desc, (Object[]) null);
    } catch (IllegalAccessException | InvocationTargetException e) {
        throw new RuntimeException(e);
    }
    if (numFields > 0) {
        int numPrimFields;
        ObjectStreamField[] fields = desc.getFields();
        Object[] objVals = new Object[numFields];
        numPrimFields = fields.length - objVals.length;
        try {
            GET_OBJ_FIELD_VALUES_METHOD.invoke(desc, obj, objVals);
        } catch (IllegalAccessException | InvocationTargetException e) {
            throw new RuntimeException(e);
        }
        for (int i = 0; i < objVals.length; i++) {
            if (objVals[i] instanceof String || objVals[i] instanceof Number || objVals[i] instanceof Date || objVals[i] instanceof Boolean || objVals[i] instanceof Class) {
                // filter out common cases
                continue;
            }
            // Check for circular reference.
            if (checked.containsKey(objVals[i])) {
                continue;
            }
            ObjectStreamField fieldDesc = fields[numPrimFields + i];
            Field field;
            try {
                field = (Field) GET_FIELD_METHOD.invoke(fieldDesc, (Object[]) null);
            } catch (IllegalAccessException | InvocationTargetException e) {
                throw new RuntimeException(e);
            }
            simpleName = field.getName();
            fieldDescription = field.toString();
            check(objVals[i]);
        }
    }
}

Example 7 with ObjectStreamField

use of java.io.ObjectStreamField in project j2objc by google.

the class ObjectStreamClassTest method test_specialTypes.

public void test_specialTypes() {
    Class<?> proxyClass = Proxy.getProxyClass(this.getClass().getClassLoader(), new Class[] { Runnable.class });
    ObjectStreamClass proxyStreamClass = ObjectStreamClass.lookup(proxyClass);
    assertEquals("Proxy classes should have zero serialVersionUID", 0, proxyStreamClass.getSerialVersionUID());
    ObjectStreamField[] proxyFields = proxyStreamClass.getFields();
    assertEquals("Proxy classes should have no serialized fields", 0, proxyFields.length);
    ObjectStreamClass enumStreamClass = ObjectStreamClass.lookup(Thread.State.class);
    assertEquals("Enum classes should have zero serialVersionUID", 0, enumStreamClass.getSerialVersionUID());
    ObjectStreamField[] enumFields = enumStreamClass.getFields();
    assertEquals("Enum classes should have no serialized fields", 0, enumFields.length);
}

Example 8 with ObjectStreamField

use of java.io.ObjectStreamField in project j2objc by google.

the class MyObjectInputStream method test_getType_Deserialized.

/**
 * java.io.ObjectStreamField#getType()
 */
public void test_getType_Deserialized() throws IOException, ClassNotFoundException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream(1024);
    ObjectOutputStream oos = new ObjectOutputStream(baos);
    oos.writeObject(new SerializableObject());
    oos.close();
    baos.close();
    byte[] bytes = baos.toByteArray();
    ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
    ObjectInputStream ois = new ObjectInputStream(bais);
    SerializableObject obj = (SerializableObject) ois.readObject();
    ObjectStreamClass oc = obj.getObjectStreamClass();
    ObjectStreamField field = oc.getField("i");
    assertEquals(Object.class, field.getType());
}

Example 9 with ObjectStreamField

use of java.io.ObjectStreamField in project j2objc by google.

the class OldObjectStreamFieldTest method test_ConstructorLjava_lang_StringLjava_lang_ClassB.

public void test_ConstructorLjava_lang_StringLjava_lang_ClassB() {
    ObjectStreamField osf = new ObjectStreamField("aField", int.class, false);
    assertTrue("Test 1: Name member not set correctly.", osf.getName().equals("aField"));
    assertTrue("Test 2: Type member not set correctly.", osf.getType().equals(int.class));
    assertFalse("Test 3: Unshared member not set correctly.", osf.isUnshared());
    // Repeat the tests with a different object to make sure
    // that we have not tested against default values.
    osf = new ObjectStreamField("anotherField", String.class, true);
    assertTrue("Test 4: Name member not set correctly.", osf.getName().equals("anotherField"));
    assertTrue("Test 5: Type member not set correctly.", osf.getType().equals(String.class));
    assertTrue("Test 6: Unshared member not set correctly.", osf.isUnshared());
    // Invalid argument tests.
    try {
        osf = new ObjectStreamField(null, boolean.class);
        fail("Test 7: NullPointerException expected.");
    } catch (NullPointerException e) {
    // Expected.
    }
    try {
        osf = new ObjectStreamField("thisField", null);
        fail("Test 8: NullPointerException expected.");
    } catch (NullPointerException e) {
    // Expected.
    }
}

Example 10 with ObjectStreamField

use of java.io.ObjectStreamField in project robovm by robovm.

the class OldObjectStreamFieldTest method test_ConstructorLjava_lang_StringLjava_lang_Class.

public void test_ConstructorLjava_lang_StringLjava_lang_Class() {
    ObjectStreamField osf = new ObjectStreamField("aField", int.class);
    assertTrue("Test 1: Name member not set correctly.", osf.getName().equals("aField"));
    assertTrue("Test 2: Type member not set correctly.", osf.getType().equals(int.class));
    // Repeat the tests with a different object to make sure
    // that we have not tested against default values.
    osf = new ObjectStreamField("anotherField", String.class);
    assertTrue("Test 3: Name member not set correctly.", osf.getName().equals("anotherField"));
    assertTrue("Test 4: Type member not set correctly.", osf.getType().equals(String.class));
    // Invalid argument tests.
    try {
        osf = new ObjectStreamField(null, boolean.class);
        fail("Test 5: NullPointerException expected.");
    } catch (NullPointerException e) {
    // Expected.
    }
    try {
        osf = new ObjectStreamField("thisField", null);
        fail("Test 6: NullPointerException expected.");
    } catch (NullPointerException e) {
    // Expected.
    }
}