java.io.ObjectInputStream.discardData()方法的使用及代码示例

x33g5p2x  于2022-01-25 转载在 其他  
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本文整理了Java中java.io.ObjectInputStream.discardData()方法的一些代码示例，展示了ObjectInputStream.discardData()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。ObjectInputStream.discardData()方法的具体详情如下：
包路径：java.io.ObjectInputStream
类名称：ObjectInputStream
方法名：discardData

ObjectInputStream.discardData介绍

[英]Reads and discards block data and objects until TC_ENDBLOCKDATA is found.
[中]读取并丢弃块数据和对象，直到找到TC_ENDBLOCKDATA。

代码示例

代码示例来源：origin: robovm/robovm

/**
 * Reads a new proxy class descriptor from the receiver. It is assumed the
 * proxy class descriptor has not been read yet (not a cyclic reference).
 * Return the proxy class descriptor read.
 *
 * @return The {@code Class} read from the stream.
 *
 * @throws IOException
 *             If an IO exception happened when reading the class
 *             descriptor.
 * @throws ClassNotFoundException
 *             If a class for one of the objects could not be found
 */
private Class<?> readNewProxyClassDesc() throws ClassNotFoundException,
    IOException {
  int count = input.readInt();
  String[] interfaceNames = new String[count];
  for (int i = 0; i < count; i++) {
    interfaceNames[i] = input.readUTF();
  }
  Class<?> proxy = resolveProxyClass(interfaceNames);
  // Consume unread class annotation data and TC_ENDBLOCKDATA
  discardData();
  return proxy;
}

代码示例来源：origin: robovm/robovm

discardData();

代码示例来源：origin: robovm/robovm

private ObjectStreamClass readEnumDescInternal() throws IOException, ClassNotFoundException {
  ObjectStreamClass classDesc;
  primitiveData = input;
  int oldHandle = descriptorHandle;
  descriptorHandle = nextHandle();
  classDesc = readClassDescriptor();
  registerObjectRead(classDesc, descriptorHandle, false);
  descriptorHandle = oldHandle;
  primitiveData = emptyStream;
  classDesc.setClass(resolveClass(classDesc));
  // Consume unread class annotation data and TC_ENDBLOCKDATA
  discardData();
  ObjectStreamClass superClass = readClassDesc();
  checkedSetSuperClassDesc(classDesc, superClass);
  // Check SUIDs, note all SUID for Enum is 0L
  if (0L != classDesc.getSerialVersionUID() || 0L != superClass.getSerialVersionUID()) {
    throw new InvalidClassException(superClass.getName(),
        "Incompatible class (SUID): " + superClass + " but expected " + superClass);
  }
  byte tc = nextTC();
  // discard TC_ENDBLOCKDATA after classDesc if any
  if (tc == TC_ENDBLOCKDATA) {
    // read next parent class. For enum, it may be null
    superClass.setSuperclass(readClassDesc());
  } else {
    // not TC_ENDBLOCKDATA, push back for next read
    pushbackTC();
  }
  return classDesc;
}

代码示例来源：origin: robovm/robovm

discardData();
checkedSetSuperClassDesc(newClassDesc, readClassDesc());
return newClassDesc;

代码示例来源：origin: robovm/robovm

discardData();
} else {
  primitiveData = emptyStream;

代码示例来源：origin: com.jtransc/jtransc-rt

/**
 * Reads a new proxy class descriptor from the receiver. It is assumed the
 * proxy class descriptor has not been read yet (not a cyclic reference).
 * Return the proxy class descriptor read.
 *
 * @return The {@code Class} read from the stream.
 * @throws IOException            If an IO exception happened when reading the class
 *                                descriptor.
 * @throws ClassNotFoundException If a class for one of the objects could not be found
 */
private Class<?> readNewProxyClassDesc() throws ClassNotFoundException,
  IOException {
  int count = input.readInt();
  String[] interfaceNames = new String[count];
  for (int i = 0; i < count; i++) {
    interfaceNames[i] = input.readUTF();
  }
  Class<?> proxy = resolveProxyClass(interfaceNames);
  // Consume unread class annotation data and TC_ENDBLOCKDATA
  discardData();
  return proxy;
}

代码示例来源：origin: MobiVM/robovm

/**
 * Reads a new proxy class descriptor from the receiver. It is assumed the
 * proxy class descriptor has not been read yet (not a cyclic reference).
 * Return the proxy class descriptor read.
 *
 * @return The {@code Class} read from the stream.
 *
 * @throws IOException
 *             If an IO exception happened when reading the class
 *             descriptor.
 * @throws ClassNotFoundException
 *             If a class for one of the objects could not be found
 */
private Class<?> readNewProxyClassDesc() throws ClassNotFoundException,
    IOException {
  int count = input.readInt();
  String[] interfaceNames = new String[count];
  for (int i = 0; i < count; i++) {
    interfaceNames[i] = input.readUTF();
  }
  Class<?> proxy = resolveProxyClass(interfaceNames);
  // Consume unread class annotation data and TC_ENDBLOCKDATA
  discardData();
  return proxy;
}

代码示例来源：origin: ibinti/bugvm

/**
 * Reads a new proxy class descriptor from the receiver. It is assumed the
 * proxy class descriptor has not been read yet (not a cyclic reference).
 * Return the proxy class descriptor read.
 *
 * @return The {@code Class} read from the stream.
 *
 * @throws IOException
 *             If an IO exception happened when reading the class
 *             descriptor.
 * @throws ClassNotFoundException
 *             If a class for one of the objects could not be found
 */
private Class<?> readNewProxyClassDesc() throws ClassNotFoundException,
    IOException {
  int count = input.readInt();
  String[] interfaceNames = new String[count];
  for (int i = 0; i < count; i++) {
    interfaceNames[i] = input.readUTF();
  }
  Class<?> proxy = resolveProxyClass(interfaceNames);
  // Consume unread class annotation data and TC_ENDBLOCKDATA
  discardData();
  return proxy;
}

代码示例来源：origin: com.mobidevelop.robovm/robovm-rt

/**
 * Reads a new proxy class descriptor from the receiver. It is assumed the
 * proxy class descriptor has not been read yet (not a cyclic reference).
 * Return the proxy class descriptor read.
 *
 * @return The {@code Class} read from the stream.
 *
 * @throws IOException
 *             If an IO exception happened when reading the class
 *             descriptor.
 * @throws ClassNotFoundException
 *             If a class for one of the objects could not be found
 */
private Class<?> readNewProxyClassDesc() throws ClassNotFoundException,
    IOException {
  int count = input.readInt();
  String[] interfaceNames = new String[count];
  for (int i = 0; i < count; i++) {
    interfaceNames[i] = input.readUTF();
  }
  Class<?> proxy = resolveProxyClass(interfaceNames);
  // Consume unread class annotation data and TC_ENDBLOCKDATA
  discardData();
  return proxy;
}

代码示例来源：origin: com.gluonhq/robovm-rt

/**
 * Reads a new proxy class descriptor from the receiver. It is assumed the
 * proxy class descriptor has not been read yet (not a cyclic reference).
 * Return the proxy class descriptor read.
 *
 * @return The {@code Class} read from the stream.
 *
 * @throws IOException
 *             If an IO exception happened when reading the class
 *             descriptor.
 * @throws ClassNotFoundException
 *             If a class for one of the objects could not be found
 */
private Class<?> readNewProxyClassDesc() throws ClassNotFoundException,
    IOException {
  int count = input.readInt();
  String[] interfaceNames = new String[count];
  for (int i = 0; i < count; i++) {
    interfaceNames[i] = input.readUTF();
  }
  Class<?> proxy = resolveProxyClass(interfaceNames);
  // Consume unread class annotation data and TC_ENDBLOCKDATA
  discardData();
  return proxy;
}

代码示例来源：origin: com.bugvm/bugvm-rt

/**
 * Reads a new proxy class descriptor from the receiver. It is assumed the
 * proxy class descriptor has not been read yet (not a cyclic reference).
 * Return the proxy class descriptor read.
 *
 * @return The {@code Class} read from the stream.
 *
 * @throws IOException
 *             If an IO exception happened when reading the class
 *             descriptor.
 * @throws ClassNotFoundException
 *             If a class for one of the objects could not be found
 */
private Class<?> readNewProxyClassDesc() throws ClassNotFoundException,
    IOException {
  int count = input.readInt();
  String[] interfaceNames = new String[count];
  for (int i = 0; i < count; i++) {
    interfaceNames[i] = input.readUTF();
  }
  Class<?> proxy = resolveProxyClass(interfaceNames);
  // Consume unread class annotation data and TC_ENDBLOCKDATA
  discardData();
  return proxy;
}

代码示例来源：origin: FlexoVM/flexovm

/**
 * Reads a new proxy class descriptor from the receiver. It is assumed the
 * proxy class descriptor has not been read yet (not a cyclic reference).
 * Return the proxy class descriptor read.
 *
 * @return The {@code Class} read from the stream.
 *
 * @throws IOException
 *             If an IO exception happened when reading the class
 *             descriptor.
 * @throws ClassNotFoundException
 *             If a class for one of the objects could not be found
 */
private Class<?> readNewProxyClassDesc() throws ClassNotFoundException,
    IOException {
  int count = input.readInt();
  String[] interfaceNames = new String[count];
  for (int i = 0; i < count; i++) {
    interfaceNames[i] = input.readUTF();
  }
  Class<?> proxy = resolveProxyClass(interfaceNames);
  // Consume unread class annotation data and TC_ENDBLOCKDATA
  discardData();
  return proxy;
}

代码示例来源：origin: MobiVM/robovm

discardData();

代码示例来源：origin: ibinti/bugvm

private ObjectStreamClass readEnumDescInternal() throws IOException, ClassNotFoundException {
  ObjectStreamClass classDesc;
  primitiveData = input;
  int oldHandle = descriptorHandle;
  descriptorHandle = nextHandle();
  classDesc = readClassDescriptor();
  registerObjectRead(classDesc, descriptorHandle, false);
  descriptorHandle = oldHandle;
  primitiveData = emptyStream;
  classDesc.setClass(resolveClass(classDesc));
  // Consume unread class annotation data and TC_ENDBLOCKDATA
  discardData();
  ObjectStreamClass superClass = readClassDesc();
  checkedSetSuperClassDesc(classDesc, superClass);
  // Check SUIDs, note all SUID for Enum is 0L
  if (0L != classDesc.getSerialVersionUID() || 0L != superClass.getSerialVersionUID()) {
    throw new InvalidClassException(superClass.getName(),
        "Incompatible class (SUID): " + superClass + " but expected " + superClass);
  }
  byte tc = nextTC();
  // discard TC_ENDBLOCKDATA after classDesc if any
  if (tc == TC_ENDBLOCKDATA) {
    // read next parent class. For enum, it may be null
    superClass.setSuperclass(readClassDesc());
  } else {
    // not TC_ENDBLOCKDATA, push back for next read
    pushbackTC();
  }
  return classDesc;
}

代码示例来源：origin: MobiVM/robovm

private ObjectStreamClass readEnumDescInternal() throws IOException, ClassNotFoundException {
  ObjectStreamClass classDesc;
  primitiveData = input;
  int oldHandle = descriptorHandle;
  descriptorHandle = nextHandle();
  classDesc = readClassDescriptor();
  registerObjectRead(classDesc, descriptorHandle, false);
  descriptorHandle = oldHandle;
  primitiveData = emptyStream;
  classDesc.setClass(resolveClass(classDesc));
  // Consume unread class annotation data and TC_ENDBLOCKDATA
  discardData();
  ObjectStreamClass superClass = readClassDesc();
  checkedSetSuperClassDesc(classDesc, superClass);
  // Check SUIDs, note all SUID for Enum is 0L
  if (0L != classDesc.getSerialVersionUID() || 0L != superClass.getSerialVersionUID()) {
    throw new InvalidClassException(superClass.getName(),
        "Incompatible class (SUID): " + superClass + " but expected " + superClass);
  }
  byte tc = nextTC();
  // discard TC_ENDBLOCKDATA after classDesc if any
  if (tc == TC_ENDBLOCKDATA) {
    // read next parent class. For enum, it may be null
    superClass.setSuperclass(readClassDesc());
  } else {
    // not TC_ENDBLOCKDATA, push back for next read
    pushbackTC();
  }
  return classDesc;
}

代码示例来源：origin: com.gluonhq/robovm-rt

private ObjectStreamClass readEnumDescInternal() throws IOException, ClassNotFoundException {
  ObjectStreamClass classDesc;
  primitiveData = input;
  int oldHandle = descriptorHandle;
  descriptorHandle = nextHandle();
  classDesc = readClassDescriptor();
  registerObjectRead(classDesc, descriptorHandle, false);
  descriptorHandle = oldHandle;
  primitiveData = emptyStream;
  classDesc.setClass(resolveClass(classDesc));
  // Consume unread class annotation data and TC_ENDBLOCKDATA
  discardData();
  ObjectStreamClass superClass = readClassDesc();
  checkedSetSuperClassDesc(classDesc, superClass);
  // Check SUIDs, note all SUID for Enum is 0L
  if (0L != classDesc.getSerialVersionUID() || 0L != superClass.getSerialVersionUID()) {
    throw new InvalidClassException(superClass.getName(),
        "Incompatible class (SUID): " + superClass + " but expected " + superClass);
  }
  byte tc = nextTC();
  // discard TC_ENDBLOCKDATA after classDesc if any
  if (tc == TC_ENDBLOCKDATA) {
    // read next parent class. For enum, it may be null
    superClass.setSuperclass(readClassDesc());
  } else {
    // not TC_ENDBLOCKDATA, push back for next read
    pushbackTC();
  }
  return classDesc;
}

代码示例来源：origin: com.mobidevelop.robovm/robovm-rt

private ObjectStreamClass readEnumDescInternal() throws IOException, ClassNotFoundException {
  ObjectStreamClass classDesc;
  primitiveData = input;
  int oldHandle = descriptorHandle;
  descriptorHandle = nextHandle();
  classDesc = readClassDescriptor();
  registerObjectRead(classDesc, descriptorHandle, false);
  descriptorHandle = oldHandle;
  primitiveData = emptyStream;
  classDesc.setClass(resolveClass(classDesc));
  // Consume unread class annotation data and TC_ENDBLOCKDATA
  discardData();
  ObjectStreamClass superClass = readClassDesc();
  checkedSetSuperClassDesc(classDesc, superClass);
  // Check SUIDs, note all SUID for Enum is 0L
  if (0L != classDesc.getSerialVersionUID() || 0L != superClass.getSerialVersionUID()) {
    throw new InvalidClassException(superClass.getName(),
        "Incompatible class (SUID): " + superClass + " but expected " + superClass);
  }
  byte tc = nextTC();
  // discard TC_ENDBLOCKDATA after classDesc if any
  if (tc == TC_ENDBLOCKDATA) {
    // read next parent class. For enum, it may be null
    superClass.setSuperclass(readClassDesc());
  } else {
    // not TC_ENDBLOCKDATA, push back for next read
    pushbackTC();
  }
  return classDesc;
}

代码示例来源：origin: com.bugvm/bugvm-rt

private ObjectStreamClass readEnumDescInternal() throws IOException, ClassNotFoundException {
  ObjectStreamClass classDesc;
  primitiveData = input;
  int oldHandle = descriptorHandle;
  descriptorHandle = nextHandle();
  classDesc = readClassDescriptor();
  registerObjectRead(classDesc, descriptorHandle, false);
  descriptorHandle = oldHandle;
  primitiveData = emptyStream;
  classDesc.setClass(resolveClass(classDesc));
  // Consume unread class annotation data and TC_ENDBLOCKDATA
  discardData();
  ObjectStreamClass superClass = readClassDesc();
  checkedSetSuperClassDesc(classDesc, superClass);
  // Check SUIDs, note all SUID for Enum is 0L
  if (0L != classDesc.getSerialVersionUID() || 0L != superClass.getSerialVersionUID()) {
    throw new InvalidClassException(superClass.getName(),
        "Incompatible class (SUID): " + superClass + " but expected " + superClass);
  }
  byte tc = nextTC();
  // discard TC_ENDBLOCKDATA after classDesc if any
  if (tc == TC_ENDBLOCKDATA) {
    // read next parent class. For enum, it may be null
    superClass.setSuperclass(readClassDesc());
  } else {
    // not TC_ENDBLOCKDATA, push back for next read
    pushbackTC();
  }
  return classDesc;
}

代码示例来源：origin: com.jtransc/jtransc-rt

private ObjectStreamClass readEnumDescInternal() throws IOException, ClassNotFoundException {
  ObjectStreamClass classDesc;
  primitiveData = input;
  int oldHandle = descriptorHandle;
  descriptorHandle = nextHandle();
  classDesc = readClassDescriptor();
  registerObjectRead(classDesc, descriptorHandle, false);
  descriptorHandle = oldHandle;
  primitiveData = emptyStream;
  classDesc.setClass(resolveClass(classDesc));
  // Consume unread class annotation data and TC_ENDBLOCKDATA
  discardData();
  ObjectStreamClass superClass = readClassDesc();
  checkedSetSuperClassDesc(classDesc, superClass);
  // Check SUIDs, note all SUID for Enum is 0L
  if (0L != classDesc.getSerialVersionUID() || 0L != superClass.getSerialVersionUID()) {
    throw new InvalidClassException(superClass.getName(),
      "Incompatible class (SUID): " + superClass + " but expected " + superClass);
  }
  byte tc = nextTC();
  // discard TC_ENDBLOCKDATA after classDesc if any
  if (tc == TC_ENDBLOCKDATA) {
    // read next parent class. For enum, it may be null
    superClass.setSuperclass(readClassDesc());
  } else {
    // not TC_ENDBLOCKDATA, push back for next read
    pushbackTC();
  }
  return classDesc;
}

代码示例来源：origin: FlexoVM/flexovm

private ObjectStreamClass readEnumDescInternal() throws IOException, ClassNotFoundException {
  ObjectStreamClass classDesc;
  primitiveData = input;
  int oldHandle = descriptorHandle;
  descriptorHandle = nextHandle();
  classDesc = readClassDescriptor();
  registerObjectRead(classDesc, descriptorHandle, false);
  descriptorHandle = oldHandle;
  primitiveData = emptyStream;
  classDesc.setClass(resolveClass(classDesc));
  // Consume unread class annotation data and TC_ENDBLOCKDATA
  discardData();
  ObjectStreamClass superClass = readClassDesc();
  checkedSetSuperClassDesc(classDesc, superClass);
  // Check SUIDs, note all SUID for Enum is 0L
  if (0L != classDesc.getSerialVersionUID() || 0L != superClass.getSerialVersionUID()) {
    throw new InvalidClassException(superClass.getName(),
        "Incompatible class (SUID): " + superClass + " but expected " + superClass);
  }
  byte tc = nextTC();
  // discard TC_ENDBLOCKDATA after classDesc if any
  if (tc == TC_ENDBLOCKDATA) {
    // read next parent class. For enum, it may be null
    superClass.setSuperclass(readClassDesc());
  } else {
    // not TC_ENDBLOCKDATA, push back for next read
    pushbackTC();
  }
  return classDesc;
}

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