java.io.ObjectInputStream.readClassDescriptor()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.readClassDescriptor()方法的一些代码示例，展示了ObjectInputStream.readClassDescriptor()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.readClassDescriptor()方法的具体详情如下：
包路径：java.io.ObjectInputStream
类名称：ObjectInputStream
方法名：readClassDescriptor

ObjectInputStream.readClassDescriptor介绍

[英]Reads a class descriptor from the source stream.
[中]从源流中读取类描述符。

代码示例

代码示例来源：origin: apache/incubator-dubbo

@Override
protected ObjectStreamClass readClassDescriptor() throws IOException, ClassNotFoundException {
  int type = read();
  if (type < 0) {
    throw new EOFException();
  }
  switch (type) {
    case 0:
      return super.readClassDescriptor();
    case 1:
      Class<?> clazz = loadClass(readUTF());
      return ObjectStreamClass.lookup(clazz);
    default:
      throw new StreamCorruptedException("Unexpected class descriptor type: " + type);
  }
}

代码示例来源：origin: apache/incubator-dubbo

@Override
protected ObjectStreamClass readClassDescriptor() throws IOException, ClassNotFoundException {
  int type = read();
  if (type < 0) {
    throw new EOFException();
  }
  switch (type) {
    case 0:
      return super.readClassDescriptor();
    case 1:
      Class<?> clazz = loadClass(readUTF());
      return ObjectStreamClass.lookup(clazz);
    default:
      throw new StreamCorruptedException("Unexpected class descriptor type: " + type);
  }
}

代码示例来源：origin: facebook/facebook-android-sdk

@Override
  protected ObjectStreamClass readClassDescriptor()
      throws IOException, ClassNotFoundException {
    ObjectStreamClass resultClassDescriptor = super.readClassDescriptor();
    if (resultClassDescriptor.getName().equals(
        ACCESS_TOKEN_APP_ID_PAIR_SERIALIZATION_PROXY_V1_CLASS_NAME)) {
      resultClassDescriptor = ObjectStreamClass.lookup(
          AccessTokenAppIdPair.SerializationProxyV1.class);
    } else if (resultClassDescriptor.getName().equals(
        APP_EVENT_SERIALIZATION_PROXY_V1_CLASS_NAME)) {
      resultClassDescriptor = ObjectStreamClass.lookup(
          AppEvent.SerializationProxyV1.class);
    }
    return resultClassDescriptor;
  }
}

代码示例来源：origin: netty/netty

@Override
protected ObjectStreamClass readClassDescriptor()
    throws IOException, ClassNotFoundException {
  int type = read();
  if (type < 0) {
    throw new EOFException();
  }
  switch (type) {
  case CompactObjectOutputStream.TYPE_FAT_DESCRIPTOR:
    return super.readClassDescriptor();
  case CompactObjectOutputStream.TYPE_THIN_DESCRIPTOR:
    String className = readUTF();
    Class<?> clazz = classResolver.resolve(className);
    return ObjectStreamClass.lookupAny(clazz);
  default:
    throw new StreamCorruptedException(
        "Unexpected class descriptor type: " + type);
  }
}

代码示例来源：origin: redisson/redisson

@Override
protected ObjectStreamClass readClassDescriptor()
    throws IOException, ClassNotFoundException {
  int type = read();
  if (type < 0) {
    throw new EOFException();
  }
  switch (type) {
  case CompactObjectOutputStream.TYPE_FAT_DESCRIPTOR:
    return super.readClassDescriptor();
  case CompactObjectOutputStream.TYPE_THIN_DESCRIPTOR:
    String className = readUTF();
    Class<?> clazz = classResolver.resolve(className);
    return ObjectStreamClass.lookupAny(clazz);
  default:
    throw new StreamCorruptedException(
        "Unexpected class descriptor type: " + type);
  }
}

代码示例来源：origin: wildfly/wildfly

@Override
protected ObjectStreamClass readClassDescriptor()
    throws IOException, ClassNotFoundException {
  int type = read();
  if (type < 0) {
    throw new EOFException();
  }
  switch (type) {
  case CompactObjectOutputStream.TYPE_FAT_DESCRIPTOR:
    return super.readClassDescriptor();
  case CompactObjectOutputStream.TYPE_THIN_DESCRIPTOR:
    String className = readUTF();
    Class<?> clazz = classResolver.resolve(className);
    return ObjectStreamClass.lookupAny(clazz);
  default:
    throw new StreamCorruptedException(
        "Unexpected class descriptor type: " + type);
  }
}

代码示例来源：origin: org.netbeans.api/org-openide-util

ObjectStreamClass ose = super.readClassDescriptor();

代码示例来源：origin: io.netty/netty

return super.readClassDescriptor();
case CompactObjectOutputStream.TYPE_THIN_DESCRIPTOR:
  String className = readUTF();

代码示例来源：origin: redisson/redisson

protected ObjectStreamClass readClassDescriptor() throws IOException, ClassNotFoundException {
  boolean isProxy = readBoolean();
  if (isProxy) {
    String name = (String)readObject();
    Class superClass = loader.loadClass(name);
    int length = readInt();
    Class[] interfaces = new Class[length];
    for (int i = 0; i < length; i++) {
      name = (String)readObject();
      interfaces[i] = loader.loadClass(name);
    }
    length = readInt();
    byte[] signature = new byte[length];
    read(signature);
    ProxyFactory factory = new ProxyFactory();
    // we must always use the cache and never use writeReplace when using
    // ProxyObjectOutputStream and ProxyObjectInputStream
    factory.setUseCache(true);
    factory.setUseWriteReplace(false);
    factory.setSuperclass(superClass);
    factory.setInterfaces(interfaces);
    Class proxyClass = factory.createClass(signature);
    return ObjectStreamClass.lookup(proxyClass);
  } else {
    return super.readClassDescriptor();
  }
}

代码示例来源：origin: org.javassist/javassist

@Override
protected ObjectStreamClass readClassDescriptor() throws IOException, ClassNotFoundException {
  boolean isProxy = readBoolean();
  if (isProxy) {
    String name = (String)readObject();
    Class<?> superClass = loader.loadClass(name);
    int length = readInt();
    Class<?>[] interfaces = new Class[length];
    for (int i = 0; i < length; i++) {
      name = (String)readObject();
      interfaces[i] = loader.loadClass(name);
    }
    length = readInt();
    byte[] signature = new byte[length];
    read(signature);
    ProxyFactory factory = new ProxyFactory();
    // we must always use the cache and never use writeReplace when using
    // ProxyObjectOutputStream and ProxyObjectInputStream
    factory.setUseCache(true);
    factory.setUseWriteReplace(false);
    factory.setSuperclass(superClass);
    factory.setInterfaces(interfaces);
    Class<?> proxyClass = factory.createClass(signature);
    return ObjectStreamClass.lookup(proxyClass);
  }
  return super.readClassDescriptor();
}

代码示例来源：origin: scouter-project/scouter

@Override
protected ObjectStreamClass readClassDescriptor() throws IOException, ClassNotFoundException {
  boolean isProxy = readBoolean();
  if (isProxy) {
    String name = (String)readObject();
    Class<?> superClass = loader.loadClass(name);
    int length = readInt();
    Class<?>[] interfaces = new Class[length];
    for (int i = 0; i < length; i++) {
      name = (String)readObject();
      interfaces[i] = loader.loadClass(name);
    }
    length = readInt();
    byte[] signature = new byte[length];
    read(signature);
    ProxyFactory factory = new ProxyFactory();
    // we must always use the cache and never use writeReplace when using
    // ProxyObjectOutputStream and ProxyObjectInputStream
    factory.setUseCache(true);
    factory.setUseWriteReplace(false);
    factory.setSuperclass(superClass);
    factory.setInterfaces(interfaces);
    Class<?> proxyClass = factory.createClass(signature);
    return ObjectStreamClass.lookup(proxyClass);
  }
  return super.readClassDescriptor();
}

代码示例来源：origin: scouter-project/scouter

protected ObjectStreamClass readClassDescriptor() throws IOException, ClassNotFoundException {
  boolean isProxy = readBoolean();
  if (isProxy) {
    String name = (String)readObject();
    Class superClass = loader.loadClass(name);
    int length = readInt();
    Class[] interfaces = new Class[length];
    for (int i = 0; i < length; i++) {
      name = (String)readObject();
      interfaces[i] = loader.loadClass(name);
    }
    length = readInt();
    byte[] signature = new byte[length];
    read(signature);
    ProxyFactory factory = new ProxyFactory();
    // we must always use the cache and never use writeReplace when using
    // ProxyObjectOutputStream and ProxyObjectInputStream
    factory.setUseCache(true);
    factory.setUseWriteReplace(false);
    factory.setSuperclass(superClass);
    factory.setInterfaces(interfaces);
    Class proxyClass = factory.createClass(signature);
    return ObjectStreamClass.lookup(proxyClass);
  } else {
    return super.readClassDescriptor();
  }
}

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

int oldHandle = descriptorHandle;
descriptorHandle = nextHandle();
ObjectStreamClass newClassDesc = readClassDescriptor();
registerObjectRead(newClassDesc, descriptorHandle, unshared);
descriptorHandle = oldHandle;

代码示例来源：origin: killme2008/xmemcached

@Override
protected ObjectStreamClass readClassDescriptor()
  throws IOException, ClassNotFoundException {
 int type = read();
 if (type < 0) {
  throw new EOFException();
 }
 switch (type) {
  case 0: // Primitive types
   return super.readClassDescriptor();
  case 1: // Non-primitive types
   String className = readUTF();
   Class<?> clazz = Class.forName(className, true, classLoader);
   return ObjectStreamClass.lookup(clazz);
  default:
   throw new StreamCorruptedException("Unexpected class descriptor type: " + type);
 }
}

代码示例来源：origin: au.net.zeus.jgdms/jgdms-platform

@Override
public ObjectStreamClass readClassDescriptor() throws IOException, ClassNotFoundException {
  return super.readClassDescriptor();
}
}

代码示例来源：origin: com.github.veithen.visualwas/connector

@Override
protected ObjectStreamClass readClassDescriptor() throws IOException, ClassNotFoundException {
  nextIsClassName = true;
  return super.readClassDescriptor();
}

代码示例来源：origin: cinchapi/concourse

@Override
protected ObjectStreamClass readClassDescriptor()
    throws IOException, ClassNotFoundException {
  ObjectStreamClass read = super.readClassDescriptor();
  if(read.getName().equals(
      "com.cinchapi.concourse.server.storage.ByteableFunnel")) {
    upgrade.set(true);
    return ObjectStreamClass.lookup(ByteableFunnel.class);
  }
  return read;
}

代码示例来源：origin: com.voodoodyne.trivet/trivet

@Override
  protected ObjectStreamClass readClassDescriptor() throws IOException, ClassNotFoundException {
    ObjectStreamClass read = super.readClassDescriptor();

    if (read.forClass() == null && read.getName().endsWith("Exception")) {
      log.warning(read.getName() + " is not present on the client classpath; substituting " + SUBSTITUTE_EXCEPTION.forClass().getSimpleName());
      return SUBSTITUTE_EXCEPTION;
    } else {
      return read;
    }
  }
}

代码示例来源：origin: jenkinsci/remoting

@Override
  protected ObjectStreamClass readClassDescriptor() throws IOException, ClassNotFoundException {
    ObjectStreamClass d = super.readClassDescriptor();
    // this can be used to filter out classes
    System.out.println(d.getName());
    return d;
  }
};

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