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From 2b813829d02b89206493520eb86075a43b145db9 Mon Sep 17 00:00:00 2001
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From: Roman Vais <rvais@redhat.com>
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Date: Tue, 13 Jun 2017 13:24:24 +0200
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Subject: [PATCH] ParseValues-NullPointerException-patch
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---
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.../java/com/beust/jcommander/Parameterized.java | 27 ++++++++++++++++++++--
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1 file changed, 25 insertions(+), 2 deletions(-)
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diff --git a/src/main/java/com/beust/jcommander/Parameterized.java b/src/main/java/com/beust/jcommander/Parameterized.java
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index 3264008..e937a66 100644
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--- a/src/main/java/com/beust/jcommander/Parameterized.java
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+++ b/src/main/java/com/beust/jcommander/Parameterized.java
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@@ -13,6 +13,8 @@ import java.lang.reflect.Type;
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import java.util.Collections;
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import java.util.List;
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import java.util.Set;
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+import java.util.logging.Level;
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+import java.util.logging.Logger;
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/**
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* Encapsulate a field or a method annotated with @Parameter or @DynamicParameter
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@@ -180,12 +182,33 @@ public class Parameterized {
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String fieldName = Character.toLowerCase(name.charAt(3)) + name.substring(4);
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Object result = null;
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try {
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- Field field = method.getDeclaringClass().getDeclaredField(fieldName);
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+ Field field = object.getClass().getDeclaredField(fieldName);
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if (field != null) {
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setFieldAccessible(field);
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result = field.get(object);
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}
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- } catch(NoSuchFieldException | IllegalAccessException ex) {
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+ } catch(NoSuchFieldException ex) {
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+ Class clazz = object.getClass();
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+ Field found = null;
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+ while (clazz != null && method.getDeclaringClass().isAssignableFrom(clazz)) {
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+ try {
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+ found = clazz.getDeclaredField(fieldName);
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+ } catch (NoSuchFieldException nfex) {
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+ // ignore
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+ }
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+ if (found != null) break;
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+ clazz = clazz.getSuperclass();
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+ }
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+ if (found != null) {
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+ setFieldAccessible(found);
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+ try {
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+ result = found.get(object);
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+ } catch (IllegalAccessException iex) {
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+ // ignore
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+ }
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+ }
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+
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+ } catch(IllegalAccessException ex) {
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// ignore
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}
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return result;
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--
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2.7.4
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