Edit Question - KnowledgeHub

Title Body

public String filter(String message) { if (message == null) { return null; } // Remove formatting, transformer fails to handle wrong indentation correctly. message = message.replaceAll(">\\s*[\\r\\n]+\\s*", ">"); message = message.replaceAll("\\s*[\\r\\n]+\\s*", " "); // for wrapped attribute lists Source xmlInput = new StreamSource(new StringReader(message)); StringWriter stringWriter = new StringWriter(); try { TransformerFactory transformerFactory = TransformerFactory.newInstance(); transformerFactory.setAttribute("indent-number", INDENT); // for Java 6 Transformer transformer = transformerFactory.newTransformer(); transformer.setOutputProperty(OutputKeys.INDENT, "yes"); transformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", INDENT.toString()); // Java 1.5 transformer.transform(xmlInput, new StreamResult(stringWriter)); String pretty = stringWriter.toString(); pretty = pretty.replace("\r\n", "\n"); return pretty; } catch (TransformerException e) { if (e.getCause() != null && e.getCause() instanceof SAXParseException) { return message; } throw new RuntimeException(e); } } but i get exception here: transformerFactory.setAttribute("indent-number", INDENT); // for Java 6 java.lang.IllegalArgumentException: Not supported: indent-number my java: java version "1.6.0_33" why i get this error?

Tags (comma-separated) Cancel