/** * Get the protocol version from protocol class. * If the protocol class has a ProtocolAnnotation, * then get the protocol version from the annotation; * otherwise get it from the versionID field of the protocol class. */ static public long getProtocolVersion(Class<?> protocol) { if (protocol == null) { throw new IllegalArgumentException("Null protocol"); } long version; ProtocolInfo anno = protocol.getAnnotation(ProtocolInfo.class); if (anno != null) { version = anno.protocolVersion(); if (version != -1) return version; } try { Field versionField = protocol.getField("versionID"); versionField.setAccessible(true); return versionField.getLong(protocol); } catch (NoSuchFieldException ex) { throw new RuntimeException(ex); } catch (IllegalAccessException ex) { throw new RuntimeException(ex); } }
/** * Get the protocol version from protocol class. * If the protocol class has a ProtocolAnnotation, then get the protocol * name from the annotation; otherwise the class name is the protocol name. */ static public long getProtocolVersion(Class<?> protocol) { if (protocol == null) { throw new IllegalArgumentException("Null protocol"); } long version; ProtocolInfo anno = protocol.getAnnotation(ProtocolInfo.class); if (anno != null) { version = anno.protocolVersion(); if (version != -1) return version; } try { Field versionField = protocol.getField("versionID"); versionField.setAccessible(true); return versionField.getLong(protocol); } catch (NoSuchFieldException ex) { throw new RuntimeException(ex); } catch (IllegalAccessException ex) { throw new RuntimeException(ex); } }
/** * Get the protocol version from protocol class. * If the protocol class has a ProtocolAnnotation, then get the protocol * name from the annotation; otherwise the class name is the protocol name. */ static public long getProtocolVersion(Class<?> protocol) { if (protocol == null) { throw new IllegalArgumentException("Null protocol"); } long version; ProtocolInfo anno = protocol.getAnnotation(ProtocolInfo.class); if (anno != null) { version = anno.protocolVersion(); if (version != -1) return version; } try { Field versionField = protocol.getField("versionID"); versionField.setAccessible(true); return versionField.getLong(protocol); } catch (NoSuchFieldException ex) { throw new RuntimeException(ex); } catch (IllegalAccessException ex) { throw new RuntimeException(ex); } }
/** * Get the protocol version from protocol class. * If the protocol class has a ProtocolAnnotation, then get the protocol * name from the annotation; otherwise the class name is the protocol name. */ static public long getProtocolVersion(Class<?> protocol) { if (protocol == null) { throw new IllegalArgumentException("Null protocol"); } long version; ProtocolInfo anno = protocol.getAnnotation(ProtocolInfo.class); if (anno != null) { version = anno.protocolVersion(); if (version != -1) return version; } try { Field versionField = protocol.getField("versionID"); versionField.setAccessible(true); return versionField.getLong(protocol); } catch (NoSuchFieldException ex) { throw new RuntimeException(ex); } catch (IllegalAccessException ex) { throw new RuntimeException(ex); } }
/** * Get the protocol version from protocol class. * If the protocol class has a ProtocolAnnotation, then get the protocol * name from the annotation; otherwise the class name is the protocol name. */ static public long getProtocolVersion(Class<?> protocol) { if (protocol == null) { throw new IllegalArgumentException("Null protocol"); } long version; ProtocolInfo anno = protocol.getAnnotation(ProtocolInfo.class); if (anno != null) { version = anno.protocolVersion(); if (version != -1) return version; } try { Field versionField = protocol.getField("versionID"); versionField.setAccessible(true); return versionField.getLong(protocol); } catch (NoSuchFieldException ex) { throw new RuntimeException(ex); } catch (IllegalAccessException ex) { throw new RuntimeException(ex); } }