Summary: Methods | Inherited Methods

ProtoUtils

Kotlin |Java

Note: This library does not have Kotlin reference docs, but you can call the Java API from Kotlin source code. To learn more, see Kotlin's interop documentation.

public final class ProtoUtils
extends Object

java.lang.Object
↳	androidx.test.espresso.remote.ProtoUtils

---

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

Summary

Public methods
static String	capitalizeFirstChar(String aString) Capitalizes the first char of a String.
static <T extends Enum> T	checkedGetEnumForProto(int protoEnumIndex, Class<T> enumClass) Maps an enum proto message type to a internal representation enum type T.
static List<Field>	getFilteredFieldList(Class<?> clazz, List<String> targetFieldNames) Returns a filtered view of a class's declared Field list.

Inherited methods
From class java.lang.Object Object clone() boolean equals(Object arg0) void finalize() final Class<?> getClass() int hashCode() final void notify() final void notifyAll() String toString() final void wait(long arg0, int arg1) final void wait(long arg0) final void wait()

Public methods

capitalizeFirstChar

public static String capitalizeFirstChar (String aString)

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

checkedGetEnumForProto

public static T checkedGetEnumForProto (int protoEnumIndex, 
                Class<T> enumClass)

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

Parameters
protoEnumIndex	int: the proto enum index of the value returned by the unwrapped proto message
enumClass	Class: the enum class to map against

Returns
T	the enum constant for a proto enum index

getFilteredFieldList

public static List<Field> getFilteredFieldList (Class<?> clazz, 
                List<String> targetFieldNames)

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

Parameters
clazz	Class: the class to introspect
targetFieldNames	List: the field names to filter from a class Field list

Returns
List<Field>	a filtered list of class Fields

Throws
NoSuchFieldException	if a field name does not exist in clazz