public static Properties rewriteProperties(
Properties customOperatorProcessors, String defaultOperatorProcessorClassName) {
if (customOperatorProcessors == null) {
throw new NullPointerException(
"Custom operator processors cannot be specified by a null Properties instance.");
}
Properties properties = new Properties();
for (Iterator iter = PdfUtil.getPdfOperators(); iter.hasNext(); ) {
String key = (String) iter.next();
properties.setProperty(
key, customOperatorProcessors.getProperty(key, defaultOperatorProcessorClassName));
}
return properties;
}
