本文整理汇总了Java中com.google.protobuf.Descriptors.Descriptor.findFieldByNumber方法的典型用法代码示例。如果您正苦于以下问题：Java Descriptor.findFieldByNumber方法的具体用法？Java Descriptor.findFieldByNumber怎么用？Java Descriptor.findFieldByNumber使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类com.google.protobuf.Descriptors.Descriptor的用法示例。
在下文中一共展示了Descriptor.findFieldByNumber方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: mergeField
import com.google.protobuf.Descriptors.Descriptor; //导入方法依赖的package包/类
/**
* Parse a single field from {@code tokenizer} and merge it into {@code builder}. If a ',' is
* detected after the field ends, the next field will be parsed automatically
*/
protected void mergeField(Tokenizer tokenizer,
ExtensionRegistry extensionRegistry,
Message.Builder builder) throws ParseException {
FieldDescriptor field;
Descriptor type = builder.getDescriptorForType();
ExtensionRegistry.ExtensionInfo extension = null;
boolean unknown = false;
String name = tokenizer.consumeIdentifier();
field = type.findFieldByName(name);
// Group names are expected to be capitalized as they appear in the
// .proto file, which actually matches their type names, not their field
// names.
if (field == null) {
// Explicitly specify US locale so that this code does not break when
// executing in Turkey.
String lowerName = name.toLowerCase(Locale.US);
field = type.findFieldByName(lowerName);
// If the case-insensitive match worked but the field is NOT a group,
if ((field != null) && (field.getType() != FieldDescriptor.Type.GROUP)) {
field = null;
}
}
// Again, special-case group names as described above.
if ((field != null) && (field.getType() == FieldDescriptor.Type.GROUP)
&& !field.getMessageType().getName().equals(name)) {
field = null;
}
// Last try to lookup by field-index if 'name' is numeric,
// which indicates a possible unknown field
if (field == null && TextUtils.isDigits(name)) {
field = type.findFieldByNumber(Integer.parseInt(name));
unknown = true;
}
// Finally, look for extensions
extension = extensionRegistry.findExtensionByName(name);
if (extension != null) {
if (extension.descriptor.getContainingType() != type) {
throw tokenizer.parseExceptionPreviousToken("Extension \"" + name
+ "\" does not extend message type \""
+ type.getFullName() + "\".");
}
field = extension.descriptor;
}
// Disabled throwing exception if field not found, since it could be a different version.
if (field == null) {
handleMissingField(tokenizer, extensionRegistry, builder);
//throw tokenizer.parseExceptionPreviousToken("Message type \"" + type.getFullName()
// + "\" has no field named \"" + name
// + "\".");
}
if (field != null) {
tokenizer.consume(":");
boolean array = tokenizer.tryConsume("[");
if (array) {
while (!tokenizer.tryConsume("]")) {
handleValue(tokenizer, extensionRegistry, builder, field, extension, unknown);
tokenizer.tryConsume(",");
}
} else {
handleValue(tokenizer, extensionRegistry, builder, field, extension, unknown);
}
}
if (tokenizer.tryConsume(",")) {
// Continue with the next field
mergeField(tokenizer, extensionRegistry, builder);
}
}