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Commit 466843a6d2257bf7c1adf1f69c4268e0c151662f

Authored by Dancovich
1 parent 8c6d09fc
Exists in master

Adicionados comentários a alguns métodos.

Showing 1 changed file with 26 additions and 3 deletions   Show diff stats
impl/core/src/main/java/br/gov/frameworkdemoiselle/util/Reflections.java
  Diff comments   View file @466843a
@@ -58,7 +58,19 @@ public final class Reflections { @@ -58,7 +58,19 @@ public final class Reflections {
58 } 58 }
59 59
60 /** 60 /**
61 - * TODO 61 + * Return the parametized type used with a concrete implementation of
  62 + * a class that accepts generics.
  63 + *
  64 + * Ex: If you declare
  65 + * <pre><code>
  66 + * public class SpecializedCollection implements Collection<SpecializedType> {
  67 + * // ...
  68 + * }
  69 + * </code></pre>
  70 + *
  71 + * then the code <code>getGenericTypeArgument(SpecializedCollection.class , 0);</code> will
  72 + * return the type <code>SpecializedType</code>.
  73 + *
62 */ 74 */
63 @SuppressWarnings("unchecked") 75 @SuppressWarnings("unchecked")
64 public static <T> Class<T> getGenericTypeArgument(final Class<?> clazz, final int idx) { 76 public static <T> Class<T> getGenericTypeArgument(final Class<?> clazz, final int idx) {
@@ -75,13 +87,24 @@ public final class Reflections { @@ -75,13 +87,24 @@ public final class Reflections {
75 } 87 }
76 88
77 /** 89 /**
78 - * TODO 90 + * <p>Return the parametized type passed to field types that accepts Generics.</p>
  91 + *
  92 + * <p>Ex: If you declare
  93 + * <pre><code>
  94 + * public class MyClass{
  95 + * private Collection&lt;String&gt; myStringCollection;
  96 + * }
  97 + * </code></pre>
  98 + *
  99 + * then the code <code>getGenericTypeArgument( MyClass.class.getDeclaredField("myStringCollection") , 0);</code> will
  100 + * return the type <code>String</code>.
  101 + *
79 */ 102 */
80 @SuppressWarnings("unchecked") 103 @SuppressWarnings("unchecked")
81 public static <T> Class<T> getGenericTypeArgument(final Field field, final int idx) { 104 public static <T> Class<T> getGenericTypeArgument(final Field field, final int idx) {
82 final Type type = field.getGenericType(); 105 final Type type = field.getGenericType();
83 final ParameterizedType paramType = (ParameterizedType) type; 106 final ParameterizedType paramType = (ParameterizedType) type;
84 - 107 +
85 return (Class<T>) paramType.getActualTypeArguments()[idx]; 108 return (Class<T>) paramType.getActualTypeArguments()[idx];
86 } 109 }
87 110