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Improved Long-Double Number Policy #2674

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merged 3 commits into from
May 18, 2024
Merged

Improved Long-Double Number Policy #2674

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e175533
Improved Long-Double Number Policy
ctasada May 9, 2024
aa2db76
Replace `contains(".")` by `indexOf('.') >= 0`
ctasada May 13, 2024
cf87bf0
Rename exception variables
ctasada May 14, 2024
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32 changes: 20 additions & 12 deletions gson/src/main/java/com/google/gson/ToNumberPolicy.java
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Original file line number Diff line number Diff line change
Expand Up @@ -68,22 +68,30 @@ public Number readNumber(JsonReader in) throws IOException {
@Override
public Number readNumber(JsonReader in) throws IOException, JsonParseException {
String value = in.nextString();
try {
return Long.parseLong(value);
} catch (NumberFormatException longE) {
if (value.indexOf('.') >= 0) {
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return parseAsDouble(value, in);
} else {
try {
Double d = Double.valueOf(value);
if ((d.isInfinite() || d.isNaN()) && !in.isLenient()) {
throw new MalformedJsonException(
"JSON forbids NaN and infinities: " + d + "; at path " + in.getPreviousPath());
}
return d;
} catch (NumberFormatException doubleE) {
throw new JsonParseException(
"Cannot parse " + value + "; at path " + in.getPreviousPath(), doubleE);
return Long.parseLong(value);
} catch (NumberFormatException e) {
return parseAsDouble(value, in);
}
}
}

private Number parseAsDouble(String value, JsonReader in) throws IOException {
try {
Double d = Double.valueOf(value);
if ((d.isInfinite() || d.isNaN()) && !in.isLenient()) {
throw new MalformedJsonException(
"JSON forbids NaN and infinities: " + d + "; at path " + in.getPreviousPath());
}
return d;
} catch (NumberFormatException e) {
throw new JsonParseException(
"Cannot parse " + value + "; at path " + in.getPreviousPath(), e);
}
}
},

/**
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