OPCPackage.open(file) is more efficient memory wise than
OPCPackage.open(inputStream)
/**
* Open a package.
*
* Note - uses quite a bit more memory than {@link #open(String)}, which
* doesn't need to hold the whole zip file in memory, and can take
advantage
* of native methods
*
* @param in
* The InputStream to read the package from
* @return A PackageBase object
*/
public static OPCPackage open(InputStream in) throws
InvalidFormatException,
IOException {
--
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