ProtoUtils

Kotlin |Java

class ProtoUtils

Contains various utility methods to ease use of protos and increased readability in code.

Summary

Public functions
`java-static String!`	`capitalizeFirstChar(aString: String!)` Capitalizes the first char of a String.
`java-static T!`	`<T : Enum?> checkedGetEnumForProto(protoEnumIndex: Int, enumClass: Class<T!>!)` Maps an enum proto message type to a internal representation enum type T.
`java-static (Mutable)List<Field!>!`	`getFilteredFieldList( clazz: Class<Any!>!, targetFieldNames: (Mutable)List<String!>! )` Returns a filtered view of a class's declared `Field` list.

java-static fun capitalizeFirstChar(aString: String!): String!

Capitalizes the first char of a String.

Examples: "espresso" -> "Espresso", "Espresso" -> "Espresso"

Parameters
`aString: String!`	the String to capitalize

Returns
`String!`	capitalized String or original String, if aString was empty

java-static fun <T : Enum?> checkedGetEnumForProto(protoEnumIndex: Int, enumClass: Class<T!>!): T!

Maps an enum proto message type to a internal representation enum type T.

Parameters
`<T : Enum?>`	the generic type of the enum representation
`protoEnumIndex: Int`	the proto enum index of the value returned by the unwrapped proto message
`enumClass: Class<T!>!`	the enum class to map against

Returns
`T!`	the enum constant for a proto enum index

java-static fun getFilteredFieldList(
    clazz: Class<Any!>!,
    targetFieldNames: (Mutable)List<String!>!
): (Mutable)List<Field!>!

Returns a filtered view of a class's declared Field list.

Parameters
`clazz: Class<Any!>!`	the class to introspect
`targetFieldNames: (Mutable)List<String!>!`	the field names to filter from a class `Field` list

Returns
`(Mutable)List<Field!>!`	a filtered list of class `Field`s

Throws
`java.lang.NoSuchFieldException`	if a field name does not exist in `clazz`