com.gabrielittner.auto.value.util

Class ElementUtil

java.lang.Object

com.gabrielittner.auto.value.util.ElementUtil

public final class ElementUtil
extends java.lang.Object

Method Summary

Modifier and Type	Method and Description
static com.google.common.collect.ImmutableSet<java.lang.String>	buildAnnotations(javax.lang.model.element.ExecutableElement element) Builds a ImmutableSet containing the names of all annotations of the given element.
static java.lang.Object	getAnnotationValue(javax.lang.model.element.Element element, java.lang.Class<? extends java.lang.annotation.Annotation> clazz, java.lang.String key) If the given element is annotated with an Annotation of class clazz it's value for key will be returned.
static com.google.common.base.Optional<javax.lang.model.element.ExecutableElement>	getMatchingAbstractMethod(java.util.Set<javax.lang.model.element.ExecutableElement> methods, com.squareup.javapoet.TypeName returns, com.squareup.javapoet.TypeName... takes) Returns a method of cls that is abstract, has returns as return type and the number and types of parameters match takes.
static com.google.common.base.Optional<javax.lang.model.element.ExecutableElement>	getMatchingStaticMethod(javax.lang.model.element.TypeElement cls, com.squareup.javapoet.TypeName returns, com.squareup.javapoet.TypeName... takes) Returns a method of cls that is static, has returns as return type and the number and types of parameters match takes.
static boolean	hasAnnotationWithName(javax.lang.model.element.Element element, java.lang.String simpleName) Returns true if the given element is annotated with an annotation named simpleName.
static boolean	typeExists(javax.lang.model.util.Elements elements, com.squareup.javapoet.ClassName className) Returns true if given className is on the current classpath.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

getMatchingStaticMethod

public static com.google.common.base.Optional<javax.lang.model.element.ExecutableElement> getMatchingStaticMethod(javax.lang.model.element.TypeElement cls,
                                                                                                                  com.squareup.javapoet.TypeName returns,
                                                                                                                  com.squareup.javapoet.TypeName... takes)

Returns a method of cls that is static, has returns as return type and the number and types of parameters match takes. Returns null if such a method doesn't exist.

getMatchingAbstractMethod

public static com.google.common.base.Optional<javax.lang.model.element.ExecutableElement> getMatchingAbstractMethod(java.util.Set<javax.lang.model.element.ExecutableElement> methods,
                                                                                                                    com.squareup.javapoet.TypeName returns,
                                                                                                                    com.squareup.javapoet.TypeName... takes)

Returns a method of cls that is abstract, has returns as return type and the number and types of parameters match takes. Returns null if such a method doesn't exist.

typeExists

public static boolean typeExists(javax.lang.model.util.Elements elements,
                                 com.squareup.javapoet.ClassName className)

Returns true if given className is on the current classpath.

hasAnnotationWithName

public static boolean hasAnnotationWithName(javax.lang.model.element.Element element,
                                            java.lang.String simpleName)

Returns true if the given element is annotated with an annotation named simpleName.

buildAnnotations

public static com.google.common.collect.ImmutableSet<java.lang.String> buildAnnotations(javax.lang.model.element.ExecutableElement element)

Builds a ImmutableSet containing the names of all annotations of the given element.

getAnnotationValue

public static java.lang.Object getAnnotationValue(javax.lang.model.element.Element element,
                                                  java.lang.Class<? extends java.lang.annotation.Annotation> clazz,
                                                  java.lang.String key)

If the given element is annotated with an Annotation of class clazz it's value for key will be returned. Otherwise it will return null.

Throws:

java.lang.IllegalArgumentException - if no element is defined with the given key.