Java Code Examples for java.io.ObjectStreamClass#forClass()

The following examples show how to use java.io.ObjectStreamClass#forClass() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: TestObjectStreamClass.java From dragonwell8_jdk with GNU General Public License v2.0

6 votes

public static void main(String[] args) throws Exception {
    ByteArrayOutputStream byteOutput = new ByteArrayOutputStream();
    ObjectOutputStream output = new ObjectOutputStream(byteOutput);
    output.writeObject(new TestClass());

    ByteArrayInputStream bais = new ByteArrayInputStream(byteOutput.toByteArray());
    TestObjectInputStream input = new TestObjectInputStream(bais);
    input.readObject();

    ObjectStreamClass osc = input.getDescriptor();

    // All OSC public API methods should complete without throwing.
    osc.getName();
    osc.forClass();
    osc.getField("str");
    osc.getFields();
    osc.getSerialVersionUID();
    osc.toString();
}

Example 2

Source File: TestObjectStreamClass.java From jdk8u_jdk with GNU General Public License v2.0

6 votes

public static void main(String[] args) throws Exception {
    ByteArrayOutputStream byteOutput = new ByteArrayOutputStream();
    ObjectOutputStream output = new ObjectOutputStream(byteOutput);
    output.writeObject(new TestClass());

    ByteArrayInputStream bais = new ByteArrayInputStream(byteOutput.toByteArray());
    TestObjectInputStream input = new TestObjectInputStream(bais);
    input.readObject();

    ObjectStreamClass osc = input.getDescriptor();

    // All OSC public API methods should complete without throwing.
    osc.getName();
    osc.forClass();
    osc.getField("str");
    osc.getFields();
    osc.getSerialVersionUID();
    osc.toString();
}

Example 3

Source File: TestObjectStreamClass.java From hottub with GNU General Public License v2.0

6 votes

public static void main(String[] args) throws Exception {
    ByteArrayOutputStream byteOutput = new ByteArrayOutputStream();
    ObjectOutputStream output = new ObjectOutputStream(byteOutput);
    output.writeObject(new TestClass());

    ByteArrayInputStream bais = new ByteArrayInputStream(byteOutput.toByteArray());
    TestObjectInputStream input = new TestObjectInputStream(bais);
    input.readObject();

    ObjectStreamClass osc = input.getDescriptor();

    // All OSC public API methods should complete without throwing.
    osc.getName();
    osc.forClass();
    osc.getField("str");
    osc.getFields();
    osc.getSerialVersionUID();
    osc.toString();
}

Example 4

Source File: TestObjectStreamClass.java From jdk8u-jdk with GNU General Public License v2.0

6 votes

public static void main(String[] args) throws Exception {
    ByteArrayOutputStream byteOutput = new ByteArrayOutputStream();
    ObjectOutputStream output = new ObjectOutputStream(byteOutput);
    output.writeObject(new TestClass());

    ByteArrayInputStream bais = new ByteArrayInputStream(byteOutput.toByteArray());
    TestObjectInputStream input = new TestObjectInputStream(bais);
    input.readObject();

    ObjectStreamClass osc = input.getDescriptor();

    // All OSC public API methods should complete without throwing.
    osc.getName();
    osc.forClass();
    osc.getField("str");
    osc.getFields();
    osc.getSerialVersionUID();
    osc.toString();
}

Example 5

Source File: TestObjectStreamClass.java From openjdk-jdk9 with GNU General Public License v2.0

6 votes

public static void main(String[] args) throws Exception {
    ByteArrayOutputStream byteOutput = new ByteArrayOutputStream();
    ObjectOutputStream output = new ObjectOutputStream(byteOutput);
    output.writeObject(new TestClass());

    ByteArrayInputStream bais = new ByteArrayInputStream(byteOutput.toByteArray());
    TestObjectInputStream input = new TestObjectInputStream(bais);
    input.readObject();

    ObjectStreamClass osc = input.getDescriptor();

    // All OSC public API methods should complete without throwing.
    osc.getName();
    osc.forClass();
    osc.getField("str");
    osc.getFields();
    osc.getSerialVersionUID();
    osc.toString();
}

Example 6

Source File: ProxyObjectOutputStream.java From HotswapAgent with GNU General Public License v2.0

6 votes

@Override
protected void writeClassDescriptor(ObjectStreamClass desc) throws IOException {
    Class<?> cl = desc.forClass();
    if (ProxyFactory.isProxyClass(cl)) {
        writeBoolean(true);
        Class<?> superClass = cl.getSuperclass();
        Class<?>[] interfaces = cl.getInterfaces();
        byte[] signature = ProxyFactory.getFilterSignature(cl);
        String name = superClass.getName();
        writeObject(name);
        // we don't write the marker interface ProxyObject
        writeInt(interfaces.length - 1);
        for (int i = 0; i < interfaces.length; i++) {
            Class<?> interfaze = interfaces[i];
            if (interfaze != ProxyObject.class && interfaze != Proxy.class) {
                name = interfaces[i].getName();
                writeObject(name);
            }
        }
        writeInt(signature.length);
        write(signature);
    } else {
        writeBoolean(false);
        super.writeClassDescriptor(desc);
    }
}

Example 7

Source File: TestObjectStreamClass.java From TencentKona-8 with GNU General Public License v2.0

6 votes

public static void main(String[] args) throws Exception {
    ByteArrayOutputStream byteOutput = new ByteArrayOutputStream();
    ObjectOutputStream output = new ObjectOutputStream(byteOutput);
    output.writeObject(new TestClass());

    ByteArrayInputStream bais = new ByteArrayInputStream(byteOutput.toByteArray());
    TestObjectInputStream input = new TestObjectInputStream(bais);
    input.readObject();

    ObjectStreamClass osc = input.getDescriptor();

    // All OSC public API methods should complete without throwing.
    osc.getName();
    osc.forClass();
    osc.getField("str");
    osc.getFields();
    osc.getSerialVersionUID();
    osc.toString();
}

Example 8

Source File: CompactedObjectOutputStream.java From JobX with Apache License 2.0

5 votes

@Override
protected void writeClassDescriptor(ObjectStreamClass desc) throws IOException {
    Class<?> clazz = desc.forClass();
    if (clazz.isPrimitive() || clazz.isArray()) {
        write(0);
        super.writeClassDescriptor(desc);
    } else {
        write(1);
        writeUTF(desc.getName());
    }
}

Example 9

Source File: CompactJavaSerializer.java From ehcache3 with Apache License 2.0

5 votes

SerializableDataKey(ObjectStreamClass desc, boolean store) {
  Class<?> forClass = desc.forClass();
  if (forClass != null) {
    if (store) {
      throw new AssertionError("Must not store ObjectStreamClass instances with strong references to classes");
    } else if (ObjectStreamClass.lookup(forClass) == desc) {
      this.klazz = new WeakReference<>(forClass);
    }
  }
  this.hashCode = (3 * desc.getName().hashCode()) ^ (7 * (int) (desc.getSerialVersionUID() >>> 32))
      ^ (11 * (int) desc.getSerialVersionUID());
  this.osc = desc;
}

Example 10

Source File: CompactedObjectOutputStream.java From dubbox with Apache License 2.0

5 votes

@Override
protected void writeClassDescriptor(ObjectStreamClass desc) throws IOException
{
	Class<?> clazz = desc.forClass();
	if( clazz.isPrimitive() || clazz.isArray() )
	{
		write(0);
		super.writeClassDescriptor(desc);
	}
	else
	{
		write(1);
		writeUTF(desc.getName());
	}
}

Example 11

Source File: CompactedObjectOutputStream.java From dubbox-hystrix with Apache License 2.0

5 votes

@Override
protected void writeClassDescriptor(ObjectStreamClass desc) throws IOException
{
	Class<?> clazz = desc.forClass();
	if( clazz.isPrimitive() || clazz.isArray() )
	{
		write(0);
		super.writeClassDescriptor(desc);
	}
	else
	{
		write(1);
		writeUTF(desc.getName());
	}
}

Example 12

Source File: CompactObjectOutputStream.java From netty-4.1.22 with Apache License 2.0

5 votes

@Override
protected void writeClassDescriptor(ObjectStreamClass desc) throws IOException {
    Class<?> clazz = desc.forClass();
    if (clazz.isPrimitive() || clazz.isArray() || clazz.isInterface() ||
        desc.getSerialVersionUID() == 0) {
        write(TYPE_FAT_DESCRIPTOR);
        super.writeClassDescriptor(desc);
    } else {
        write(TYPE_THIN_DESCRIPTOR);
        writeUTF(desc.getName());
    }
}

Example 13

Source File: CompactedObjectOutputStream.java From dubbo3 with Apache License 2.0

5 votes

@Override
protected void writeClassDescriptor(ObjectStreamClass desc) throws IOException
{
	Class<?> clazz = desc.forClass();
	if( clazz.isPrimitive() || clazz.isArray() )
	{
		write(0);
		super.writeClassDescriptor(desc);
	}
	else
	{
		write(1);
		writeUTF(desc.getName());
	}
}

Example 14

Source File: LocalVirtualizationOutput.java From jasperreports with GNU Lesser General Public License v3.0

5 votes

@Override
protected void writeClassDescriptor(ObjectStreamClass desc)
		throws IOException
{
	Class<?> clazz = desc.forClass();
	if (clazz == null)
	{
		throw new RuntimeException();
	}
	
	int classIdx = virtualizationSerializer.getClassDescriptorIdx(clazz);
	writeIntCompressed(classIdx);
}

Example 15

Source File: CompactedObjectOutputStream.java From dubbox with Apache License 2.0

5 votes

@Override
protected void writeClassDescriptor(ObjectStreamClass desc) throws IOException
{
	Class<?> clazz = desc.forClass();
	if( clazz.isPrimitive() || clazz.isArray() )
	{
		write(0);
		super.writeClassDescriptor(desc);
	}
	else
	{
		write(1);
		writeUTF(desc.getName());
	}
}

Example 16

Source File: CompactedObjectOutputStream.java From dubbo-2.6.5 with Apache License 2.0

5 votes

@Override
protected void writeClassDescriptor(ObjectStreamClass desc) throws IOException {
    Class<?> clazz = desc.forClass();
    if (clazz.isPrimitive() || clazz.isArray()) {
        write(0);
        super.writeClassDescriptor(desc);
    } else {
        write(1);
        writeUTF(desc.getName());
    }
}

Example 17

Source File: SerializablePortability.java From offheap-store with Apache License 2.0

5 votes

public SerializableDataKey(ObjectStreamClass desc, boolean store) throws IOException {
  Class<?> forClass = desc.forClass();
  if (forClass != null) {
    if (store) {
      throw new AssertionError("Must not store ObjectStreamClass instances with strong references to classes");
    } else if (ObjectStreamClass.lookup(forClass) == desc) {
      this.klazz = new WeakReference<>(forClass);
    }
  }
  this.hashCode = (3 * desc.getName().hashCode()) ^ (7 * (int) (desc.getSerialVersionUID() >>> 32))
      ^ (11 * (int) desc.getSerialVersionUID());
  this.osc = desc;
}

Example 18

Source File: CompactObjectOutputStream.java From netty4.0.27Learn with Apache License 2.0

5 votes

@Override
protected void writeClassDescriptor(ObjectStreamClass desc) throws IOException {
    Class<?> clazz = desc.forClass();
    if (clazz.isPrimitive() || clazz.isArray() || clazz.isInterface() ||
        desc.getSerialVersionUID() == 0) {
        write(TYPE_FAT_DESCRIPTOR);
        super.writeClassDescriptor(desc);
    } else {
        write(TYPE_THIN_DESCRIPTOR);
        writeUTF(desc.getName());
    }
}

Example 19

Source File: CompactedObjectOutputStream.java From dubbox with Apache License 2.0

5 votes

@Override
protected void writeClassDescriptor(ObjectStreamClass desc) throws IOException
{
	Class<?> clazz = desc.forClass();
	if( clazz.isPrimitive() || clazz.isArray() )
	{
		write(0);
		super.writeClassDescriptor(desc);
	}
	else
	{
		write(1);
		writeUTF(desc.getName());
	}
}

Example 20

Source File: ClassFromSerializationReader.java From rapidminer-studio with GNU Affero General Public License v3.0

4 votes

/**
 * Read the first class descriptor which indicates the serialized class, then throws a {@link ClassFoundException}
 * containing that class to avoid further reading
 */
@Override
protected ObjectStreamClass readClassDescriptor() throws IOException, ClassNotFoundException {
	ObjectStreamClass descriptor = super.readClassDescriptor();
	throw new ClassFoundException(descriptor.forClass(), descriptor.getName());
}