我有一个程序来获取一个大的 xml 文件并对其进行验证，然后将其拆分为较小的文件。我遇到的问题是新文件的编码是 UTF-8 。我需要它们在 ISO-8859-1
这里是代码
public class SplitMain {
public static void main(String [] args) throws Exception {
validateInputFile("D:/sanket/cms_dev/XmlSplitSample/src/inputFile/");
File input = new File("D:/sanket/cms_dev/XmlSplitSample/src/inputFile/sample.xml");
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
Document doc = dbf.newDocumentBuilder().parse(input);
XPath xpath = XPathFactory.newInstance().newXPath();
NodeList nodes = (NodeList) xpath.evaluate("//DataFile/Contact", doc, XPathConstants.NODESET);
int itemsPerFile = 5;
int fileNumber = 0;
Document currentDoc = dbf.newDocumentBuilder().newDocument();
Node rootNode = currentDoc.createElement("DataFile");
File currentFile = new File("nufile"+fileNumber+".xml");
for (int i=1; i <= nodes.getLength(); i++) {
Node imported = currentDoc.importNode(nodes.item(i-1), true);
rootNode.appendChild(imported);
if (i % itemsPerFile == 0) {
writeToFile(rootNode, currentFile);
rootNode = currentDoc.createElement("DataFile");
currentFile = new File("nufile"+(++fileNumber)+".xml");
System.out.println(currentFile);
}
}
writeToFile(rootNode, currentFile);
}
private static void writeToFile(Node node, File file) throws Exception {
Transformer transformer = TransformerFactory.newInstance().newTransformer();
transformer.transform(new DOMSource(node), new StreamResult(new FileWriter(file)));
}
private static void validateInputFile(String WORK_DIRECTORY)
{
//String workingDir=config.getProperty(WORK_DIRECTORY);//comment for automating the process
String workingDir=WORK_DIRECTORY;//added for automating the process
String finalString = null;
File folder = new File(workingDir);
if (folder.isFile())
{
System.out.println("watever");
return ;
}
String[] fileNameArray = folder.list();
String xmlExtension=".xml";
for (String fileName : fileNameArray) {
try{
//XMLtoString
BufferedReader br = new BufferedReader(new FileReader(new File(workingDir + "/" +fileName)));
String line;
StringBuilder stringBuilder = new StringBuilder();
while((line=br.readLine())!= null)
{
stringBuilder.append(line.trim());
}
finalString = stringBuilder.toString();
StringBuilder sb = new StringBuilder();
if(finalString == null)
return;
System.out.println(finalString);
for(int i=0;i<finalString.length();i++)
{
if (finalString.charAt(i) == '&')
{
sb.append("&");
}
else
{
sb.append(finalString.charAt(i));
}
}
finalString=sb.toString();
//StringToXML
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
System.out.println(finalString);
DocumentBuilder builder=factory.newDocumentBuilder();
Document document = builder.parse( new InputSource(new StringReader( finalString ) ) );
TransformerFactory tranFactory = TransformerFactory.newInstance();
Transformer aTransformer = tranFactory.newTransformer();
Source src = new DOMSource(document);
Result dest = new StreamResult( new File( workingDir + "/" +fileName) );
aTransformer.transform( src, dest );
}
catch (Exception e) {
e.printStackTrace();
}
}
}
}