| 0,0 → 1,129 |
|---|
| package ak.zpath; |
| |
| import org.w3c.dom.*; |
| import java.io.*; |
| |
| public class XmlSaver |
| { |
| public static final String ENCODING = "UTF-8"; |
| public static final String INDENT = "\t"; |
| |
| private OutputStream output; |
| private PrintStream printer; |
| |
| public XmlSaver() |
| { |
| } |
| |
| public XmlSaver(OutputStream output) |
| { |
| setOutput(output); |
| } |
| |
| public OutputStream getOutput() |
| { |
| return output; |
| } |
| |
| public void setOutput(OutputStream output) |
| { |
| this.output = output; |
| } |
| |
| public void save(Document document) |
| throws IOException |
| { |
| printer = new PrintStream(output, false, ENCODING); |
| printer.println( |
| "<?xml version=\"1.0\" encoding=\"" + ENCODING + "\"?>\n"); |
| |
| if(document != null) |
| saveElement(document.getDocumentElement(), ""); |
| |
| printer.flush(); |
| } |
| |
| protected void saveElement(Element element, String indent) |
| throws IOException |
| { |
| if(element == null) return; |
| |
| String newIndent = indent + INDENT; |
| NodeList children = element.getChildNodes(); |
| NamedNodeMap attrs = element.getAttributes(); |
| boolean isEmpty = true; |
| boolean hasText = false; |
| |
| // print tag name |
| printer.print(indent); |
| printer.print("<"); |
| printer.print(element.getTagName()); |
| |
| // print attributes |
| for(int i = 0; i < attrs.getLength(); i++) { |
| Attr attr = (Attr)attrs.item(i); |
| printer.print(" "); |
| printer.print(attr.getName()); |
| printer.print("=\""); |
| printer.print(attr.getValue()); |
| printer.print("\""); |
| } |
| |
| // chech if has nested elements |
| for(int i = 0; i < children.getLength(); i++) { |
| Node subnode = children.item(i); |
| |
| if(subnode instanceof Comment) |
| isEmpty = false; |
| else if(subnode instanceof Element) |
| isEmpty = false; |
| else if(subnode instanceof Text) |
| hasText = true; |
| } |
| |
| if(isEmpty) { // empty element |
| if(!hasText) { |
| printer.println("/>"); |
| } |
| else { |
| printer.print(">"); |
| |
| // print nested text |
| for(int i = 0; i < children.getLength(); i++) { |
| Node subnode = children.item(i); |
| if(subnode instanceof Text) |
| printer.print(subnode.getNodeValue()); |
| } |
| |
| printer.print("</"); |
| printer.print(element.getTagName()); |
| printer.println(">"); |
| } |
| } |
| else { // has nested elements |
| printer.println(">"); |
| |
| // print nested elements, comment, text |
| for(int i = 0; i < children.getLength(); i++) { |
| Node subnode = children.item(i); |
| |
| if(subnode instanceof Comment) { |
| printer.print("<!--"); |
| printer.print(subnode.getNodeValue()); |
| printer.println("-->"); |
| } |
| else if(subnode instanceof Element) { |
| saveElement((Element)subnode, newIndent); |
| } |
| else if(subnode instanceof Text) { |
| printer.print(subnode.getNodeValue()); |
| } |
| } |
| |
| printer.print(indent); |
| printer.print("</"); |
| printer.print(element.getTagName()); |
| printer.println(">"); |
| } |
| } |
| } |