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Adding JSONTokener.back() just before throwing JSONException

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This forces JSONTokener.syntaxError(..) to point to the last character of the duplicate key.
This commit is contained in:
Miguel
2017-08-10 19:05:57 -04:00
parent 7fed023080
commit 7d8353401a
1 changed files with 2 additions and 1 deletions
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3
JSONObject.java
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@@ -232,12 +232,13 @@ public class JSONObject {
throw x.syntaxError("Expected a ':' after a key"); throw x.syntaxError("Expected a ':' after a key");
} }
// Replace: this.putOnce(key, x.nextValue());
// Use syntaxError(..) to include error location // Use syntaxError(..) to include error location
if (key != null) { if (key != null) {
// Check if key exists // Check if key exists
if (this.opt(key) != null) { if (this.opt(key) != null) {
// back one token to point to the last key character
x.back();
throw x.syntaxError("Duplicate key \"" + key + "\""); throw x.syntaxError("Duplicate key \"" + key + "\"");
} }
// Only add value if non-null // Only add value if non-null