pretty print and ampersands

[Christopher Lamey]

Hello,

The following elements in our xml cause a
java.lang.ArrayIndexOutOfBoundsException in Document.save(StringWriter,
XmlOptions) in xmlbeans when we first call setSavePrettyPrint() on the
XmlOptions object we pass into the Document.save(StringWriter,
XmlOptions) method:

      <value>uranium miner &amp;</value>
      <value>uranium miner &amp; s</value>
      <value>uranium miner &amp;        </value>

These do not:

      <value>uranium miner &amp;  s</value>
      <value>&amp;</value>

Basically, we're seeing that any "&amp" at the end of an element value
needs to have a non-whitespace character at least three characters from
the right of it in order to avoid the problem.  

If setSavePrettyPrint() is not called, everything works.

Here's the stack against the 2.0.0 xmlbeans release:

java.lang.ArrayIndexOutOfBoundsException
        at java.lang.System.arraycopy(Native Method)
        at org.apache.xmlbeans.impl.store.Saver
$TextSaver.replace(Saver.java:1438)
        at org.apache.xmlbeans.impl.store.Saver
$TextSaver.entitizeContent(Saver.java:1269)
        at org.apache.xmlbeans.impl.store.Saver
$TextSaver.emitText(Saver.java:966)
        at org.apache.xmlbeans.impl.store.Saver.process(Saver.java:288)
        at org.apache.xmlbeans.impl.store.Saver
$TextSaver.ensure(Saver.java:1466)
        at org.apache.xmlbeans.impl.store.Saver$TextSaver.read(Saver.java:1553)
        at org.apache.xmlbeans.impl.store.Saver
$TextReader.read(Saver.java:1680)
        at org.apache.xmlbeans.impl.store.Cursor._save(Cursor.java:609)
        at org.apache.xmlbeans.impl.store.Cursor.save(Cursor.java:2554)
        at
org.apache.xmlbeans.impl.values.XmlObjectBase.save(XmlObjectBase.java:186)

Is this expected behavior?

Cheers,
topher


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