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

Example 16 with ObjectStreamClass

use of java.io.ObjectStreamClass in project jdk8u_jdk by JetBrains.

the class ProxyClassDesc method run.

/**
     * Write and read proxy class descriptors to/from a stream.
     * Arguments: <# cycles>
     */
public long run(String[] args) throws Exception {
    int ncycles = Integer.parseInt(args[0]);
    StreamBuffer sbuf = new StreamBuffer();
    ObjectOutputStream oout = new ObjectOutputStream(sbuf.getOutputStream());
    ObjectInputStream oin = new ObjectInputStream(sbuf.getInputStream());
    ObjectStreamClass[] descs = genDescs();
    // warmup
    doReps(oout, oin, sbuf, descs, 1);
    long start = System.currentTimeMillis();
    doReps(oout, oin, sbuf, descs, ncycles);
    return System.currentTimeMillis() - start;
}

Example 17 with ObjectStreamClass

use of java.io.ObjectStreamClass in project jdk8u_jdk by JetBrains.

the class ProxyClassDesc method genDescs.

/**
     * Generate proxy class descriptors.
     */
ObjectStreamClass[] genDescs() {
    ClassLoader ldr = ProxyClassDesc.class.getClassLoader();
    Class[] ifaces = new Class[3];
    Class[] a = new Class[] { A1.class, A2.class, A3.class, A4.class, A5.class };
    Class[] b = new Class[] { B1.class, B2.class, B3.class, B4.class, B5.class };
    Class[] c = new Class[] { C1.class, C2.class, C3.class, C4.class, C5.class };
    ObjectStreamClass[] descs = new ObjectStreamClass[a.length * b.length * c.length];
    int n = 0;
    for (int i = 0; i < a.length; i++) {
        ifaces[0] = a[i];
        for (int j = 0; j < b.length; j++) {
            ifaces[1] = b[j];
            for (int k = 0; k < c.length; k++) {
                ifaces[2] = c[k];
                Class proxyClass = Proxy.getProxyClass(ldr, ifaces);
                descs[n++] = ObjectStreamClass.lookup(proxyClass);
            }
        }
    }
    return descs;
}

Example 18 with ObjectStreamClass

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

the class MyObjectInputStream method test_isUnshared.

public void test_isUnshared() throws Exception {
    SerializableObject2 obj = new SerializableObject2();
    ByteArrayOutputStream baos = new ByteArrayOutputStream(1024);
    ObjectOutputStream oos = new ObjectOutputStream(baos);
    oos.writeObject(obj);
    oos.close();
    baos.close();
    byte[] bytes = baos.toByteArray();
    ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
    ObjectInputStream ois = new ObjectInputStream(bais);
    SerializableObject2 newObj = (SerializableObject2) ois.readObject();
    ObjectInputStream.GetField getField = newObj.getGetField();
    ObjectStreamClass objectStreamClass = getField.getObjectStreamClass();
    assertTrue(objectStreamClass.getField("i").isUnshared());
    assertFalse(objectStreamClass.getField("d").isUnshared());
    assertTrue(objectStreamClass.getField("s").isUnshared());
    assertEquals(1000, getField.get("i", null));
    assertEquals(SerializableObject2.today, getField.get("d", null));
    assertEquals("Richard", getField.get("s", null));
    assertTrue(objectStreamClass.getField("s").getTypeString() == "Ljava/lang/String;");
    assertEquals(0, objectStreamClass.getField("d").getOffset());
    assertEquals(1, objectStreamClass.getField("i").getOffset());
    assertEquals(2, objectStreamClass.getField("s").getOffset());
}

Example 19 with ObjectStreamClass

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

the class MyObjectInputStream method test_getType_MockObjectInputStream.

/**
     * java.io.ObjectStreamField#getType()
     */
public void test_getType_MockObjectInputStream() 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);
    MockObjectInputStream ois = new MockObjectInputStream(bais);
    ois.readObject();
    ObjectStreamClass oc = ois.getObjectStreamClass();
    ObjectStreamField field = oc.getField("i");
    assertEquals(Object.class, field.getType());
}

Example 20 with ObjectStreamClass

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

the class ObjectStreamClassTest method test_forClass.

/**
     * java.io.ObjectStreamClass#forClass()
     */
public void test_forClass() {
    // Need to test during serialization to be sure an instance is
    // returned
    ObjectStreamClass osc = ObjectStreamClass.lookup(DummyClass.class);
    assertEquals("forClass returned an object: " + osc.forClass(), DummyClass.class, osc.forClass());
}