Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
import org.w3c.dom.*;
import java.io.*;

public class Main {
    public static void writeXML(Document d, OutputStream os, String sysID) throws IOException {
        /**
         * To support i18n, we have to specify the encoding of
         * output writer to UTF-8 when we writing the XML.
         */
        // PrintWriter out=new PrintWriter(os);
        PrintWriter out = new PrintWriter(new OutputStreamWriter(os, "UTF-8"));

        out.println("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
        out.println();
        if (sysID != null) {
            out.println("<!DOCTYPE " + d.getDoctype().getName() + " SYSTEM \"" + sysID + "\">");
            out.println();
        }
        //d.getDocumentElement().normalize();
        writeXMLwalkTree(d.getDocumentElement(), 0, out);
        out.flush();
    }

    protected static void writeXMLwalkTree(Node node, int indent, PrintWriter out) {
        if (node == null)
            throw new NullPointerException("Null node passed to writeXMLwalkTree()");
        if (node.hasChildNodes()) {
            if (node instanceof Element) {
                Element elem = (Element) node;
                //elem.normalize();
                out.print("\n");
                for (int j = 0; j < indent; j++) {
                    out.print(" ");
                }
                out.print("<" + elem.getTagName());
                NamedNodeMap attrs = elem.getAttributes();
                for (int i = 0; i < attrs.getLength(); i++) {
                    Attr a = (Attr) attrs.item(i);
                    out.print(" " + a.getName() + "=\"" + a.getValue() + "\"");
                }
                out.print(">");
                NodeList nl = node.getChildNodes();
                for (int i = 0; i < nl.getLength(); i++) {
                    writeXMLwalkTree(nl.item(i), indent + 2, out);
                }
                //              for(int j=0;j<indent;j++) {
                //                  out.print(" ");
                //              }
                out.println("</" + elem.getTagName() + ">");
            }
        } else {
            if (node instanceof Element) {
                Element elem = (Element) node;
                out.print("\n");
                for (int j = 0; j < indent; j++) {
                    out.print(" ");
                }
                out.print("<" + elem.getTagName());
                NamedNodeMap attrs = elem.getAttributes();
                for (int i = 0; i < attrs.getLength(); i++) {
                    Attr a = (Attr) attrs.item(i);
                    out.print(" " + a.getName() + "=\"" + a.getValue() + "\"");
                }
                out.println("/>");
            } else if (node instanceof CDATASection) {
                CDATASection cdata = (CDATASection) node;
                //              for(int j=0;j<indent;j++) {
                //                  out.print(" ");
                //              }
                out.print("<![CDATA[" + cdata.getData() + "]]>");
            } else if (node instanceof Text) {
                Text text = (Text) node;
                StringBuilder buf = new StringBuilder(text.getData().length());
                for (int i = 0; i < text.getData().length(); i++) {
                    if (text.getData().charAt(i) == '\n' || text.getData().charAt(i) == '\r'
                            || text.getData().charAt(i) == ' ' || text.getData().charAt(i) == '\t') {
                        if (buf.length() > 0 && buf.charAt(buf.length() - 1) != ' ') {
                            buf.append(' ');
                        }
                    } else {
                        buf.append(text.getData().charAt(i));
                    }
                }
                if (buf.length() > 0 && !buf.toString().equals(" ")) {
                    StringBuilder buf2 = new StringBuilder(buf.length() + indent);
                    //                  for(int j=0;j<indent;j++) {
                    //                      buf2.append(' ');
                    //                  }
                    buf2.append(buf.toString());
                    out.print(buf2);
                }
            }
        }
    }
}