Daniel Hengst created XMLBEANS-599:
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Summary: Line breaks in base64binary cause a validation error
Key: XMLBEANS-599
URL: https://issues.apache.org/jira/browse/XMLBEANS-599
Project: XMLBeans
Issue Type: Bug
Affects Versions: Version 5.0.3
Reporter: Daniel Hengst
When trying to migrate from XmlBeans 3.1.0 to 5.0.3 the following issue caused
some unit tests to fail:
The XML data contains elements of type base64binary which have line breaks.
Validation via XmlObject.validate() now returns an error:
"error: base64Binary: Invalid value: not encoded properly".
The error originates from the class
org.apache.xmlbeans.impl.values.JavaBase64Holder:
{code:java}
public static byte[] lex(String v, ValidationContext c) {
try {
return Base64.getDecoder().decode(v);
} catch (IllegalArgumentException var3) {
c.invalid("base64Binary", new Object[]{"not encoded properly"});
return null;
}
}
{code}
The decode call fails with an IllegalArgumentException "Illegal base64
character 20".
(It's character 20 because XmlBeans converts the line break to a space in
XmlWhitespace.collapse().)
The definition of the base64binary type allows for the presence of whitespace
[https://www.w3.org/TR/xmlschema-2/#base64Binary]
Therefore I'd suggest to change the Base64 call as follows:
{code:java}
Base64.getMimeDecoder().decode(v);
{code}
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