public static String syntax(Element element) {
StringBuffer stringBuffer = new StringBuffer();
int tab = 4, indent = 0;
while (element != null) {
String token = element.getToken();
String description = token + ' ' + element.description() + '\n';
int splitIdx = description.indexOf('\n');
int spaces = indent * tab;
while (splitIdx >= 0) {
for (int idx = 0; idx < spaces; idx++) {
stringBuffer.append(' ');
}
stringBuffer.append(description.substring(0, splitIdx));
stringBuffer.append('\n');
spaces = indent * tab + token.length() + 1;
description = description.substring(splitIdx + 1);
splitIdx = description.indexOf('\n');
}
if (element.getChild() != null) {
indent = indent + 1;
element = element.getChild();
} else if (element.getSibling() != null) {
element = element.getSibling();
} else {
while (element != null && element.getSibling() == null) {
indent = indent - 1;
element = element.getParent();
}
if (element != null) {
element = element.getSibling();
}
}
}
return stringBuffer.toString();
}
public boolean read(String strRoute, String strElement, int flag) {
//SAXBuilder builder=new SAXBuilder();
strText = null;
try {
String[] route = new String[4];
String str = null;
Document doc = builder.build(xmlFileName);
Element root = doc.getRootElement();
Element element = root;
//创建一个拆分字符串内容的对象,每次返回一项
StringTokenizer st = new StringTokenizer(strRoute, ":");
str = st.nextToken();
while (st.hasMoreTokens()) {
str = st.nextToken();
element = element.getChild(str);
}
//mypage.FcfeMain.wR(mypage.FcfeMain.SIM_APP_ERP,str);
element = (Element) element.getParent();
/*
* while(flag!=1) { if(element.removeChild(str))
* mypage.FcfeMain.wR(mypage.FcfeMain.SIM_APP_ERP,"deleted "+str);
* else mypage.FcfeMain.wR(mypage.FcfeMain.SIM_APP_ERP,"not
* deleted");
*
* flag--; }
*/
// mypage.FcfeMain.wR(mypage.FcfeMain.SIM_APP_ERP,element.getName());
strText = element.getChild(str).getChild(strElement).getText();
} catch (JDOMException jdome) {
mypage.FcfeMain.wR(mypage.FcfeMain.SIM_APP_ERP, xmlFileName
+ " is not well-formed");
} catch (IOException ioe) {
mypage.FcfeMain.wR(mypage.FcfeMain.SIM_APP_ERP, ioe);
} catch (NullPointerException nullpe) {
mypage.FcfeMain.wR(mypage.FcfeMain.SIM_APP_ERP, "not founded"
+ "\n" + nullpe);
} catch (Exception e) {
mypage.FcfeMain.wR(mypage.FcfeMain.SIM_APP_ERP, "read no succeed"
+ "\n" + e);
}
if (strText == null) {
mypage.FcfeMain.wR(mypage.FcfeMain.SIM_APP_ERP, "not founded");
return false;
} else {
// mypage.FcfeMain.wR(mypage.FcfeMain.SIM_APP_ERP,"strText="+strText);
return true;
}
}
/** {@inheritDoc } */
@Override
public JdomRepresentation remove(String nodeName) throws XmlException {
Element candidate = getElement(nodeName);
assert candidate != null : "getElement should have throw an execption";
candidate.getParent().removeContent(candidate);
return this;
}
protected String getNamespaceByPrefix(String namespacePrefix) {
for (Element current = this; current != null; current = current.getParent()) {
String namespaceURI = current.getNamespaces().get(namespacePrefix);
if (namespaceURI != null) {
return namespaceURI;
}
}
return null;
}
/**
* Indicates the end of an element (<code></[element name]></code>) is reached. Note that
* the parser does not distinguish between empty elements and non-empty elements, so this will
* occur uniformly.
*
* @param namespaceURI <code>String</code> URI of namespace this element is associated with
* @param localName <code>String</code> name of element without prefix
* @param qName <code>String</code> name of element in XML 1.0 form
* @throws SAXException when things go wrong
*/
public void endElement(String namespaceURI, String localName, String qName) throws SAXException {
if (suppress) return;
flushCharacters();
if (!atRoot) {
Parent p = currentElement.getParent();
if (p instanceof Document) {
atRoot = true;
} else {
currentElement = (Element) p;
}
} else {
throw new SAXException("Ill-formed XML document (missing opening tag for " + localName + ")");
}
}
/**
* 新增循环节点
* @param cycNode 循环节点
* @return
*/
public Element addCycNode(Element cycNode)
{
Element node=cycNode;
Element child=null;
Element newNode=null;
Element tmpNode=null;
String sName="";
if(cycNode==null)
return newNode;
newNode=new Element(node.getName());
node.getParent().addContent(newNode);
List cList=node.getChildren();
for(int i=0;i<cList.size();i++)
{
child=(Element)cList.get(i);
sName=child.getName();
sName=sName.trim();
tmpNode=new Element(sName);
newNode.addContent(tmpNode);
}
return newNode;
}
protected Entry next() throws StaxNavException {
try {
if (next == null) {
Element parent = element;
while (true) {
int type = stream.getEventType();
if (type == XMLStreamConstants.START_ELEMENT) {
next = new StreamEntry(stream, new Element(stream, parent));
break;
} else if (type == XMLStreamConstants.END_ELEMENT) {
parent = parent.getParent();
stream.next();
} else if (type == XMLStreamConstants.END_DOCUMENT) {
break;
} else {
stream.next();
}
}
}
return next;
} catch (XMLStreamException e) {
throw new StaxNavException(e);
}
}
@Override
// Implementation methods
// -------------------------------------------------------------------------
protected Document parseDocument() throws DocumentException, IOException, XmlPullParserException {
DocumentFactory df = getDocumentFactory();
Document document = df.createDocument();
Element parent = null;
XmlPullParser pp = getXPPParser();
pp.setFeature(XmlPullParser.FEATURE_PROCESS_NAMESPACES, true);
while (true) {
int type = pp.nextToken();
switch (type) {
case XmlPullParser.PROCESSING_INSTRUCTION:
{
String text = pp.getText();
int loc = text.indexOf(' ');
if (loc >= 0) {
String target = text.substring(0, loc);
String txt = text.substring(loc + 1);
document.addProcessingInstruction(target, txt);
} else {
document.addProcessingInstruction(text, "");
}
break;
}
case XmlPullParser.COMMENT:
{
if (parent != null) {
parent.addComment(pp.getText());
} else {
document.addComment(pp.getText());
}
break;
}
case XmlPullParser.CDSECT:
{
if (parent != null) {
parent.addCDATA(pp.getText());
} else {
String msg = "Cannot have text content outside of the " + "root document";
throw new DocumentException(msg);
}
break;
}
case XmlPullParser.END_DOCUMENT:
return document;
case XmlPullParser.START_TAG:
{
QName qname =
(pp.getPrefix() == null)
? df.createQName(pp.getName(), pp.getNamespace())
: df.createQName(pp.getName(), pp.getPrefix(), pp.getNamespace());
Element newElement = df.createElement(qname);
int nsStart = pp.getNamespaceCount(pp.getDepth() - 1);
int nsEnd = pp.getNamespaceCount(pp.getDepth());
for (int i = nsStart; i < nsEnd; i++) {
if (pp.getNamespacePrefix(i) != null) {
newElement.addNamespace(pp.getNamespacePrefix(i), pp.getNamespaceUri(i));
}
}
for (int i = 0; i < pp.getAttributeCount(); i++) {
QName qa =
(pp.getAttributePrefix(i) == null)
? df.createQName(pp.getAttributeName(i))
: df.createQName(
pp.getAttributeName(i),
pp.getAttributePrefix(i),
pp.getAttributeNamespace(i));
newElement.addAttribute(qa, pp.getAttributeValue(i));
}
if (parent != null) {
parent.add(newElement);
} else {
document.add(newElement);
}
parent = newElement;
break;
}
case XmlPullParser.END_TAG:
{
if (parent != null) {
parent = parent.getParent();
}
break;
}
case XmlPullParser.ENTITY_REF:
case XmlPullParser.TEXT:
{
String text = pp.getText();
if (parent != null) {
parent.addText(text);
} else {
String msg = "Cannot have text content outside of the " + "root document";
throw new DocumentException(msg);
}
break;
}
default:
break;
}
}
}
//改写XML文件的某一元素的值
//strRoute为XML文件从根元素开始到该元素的父元素的路径
//strElement为需要读取的元素
//flag为当XML含有多个同名元素时，需要改写元素所处的序号
public void write(String strRoute, String strElement, String strSet,
int flag) {
//SAXBuilder builder=new SAXBuilder();
try {
String str = null;
Document doc = builder.build(xmlFileName);
Element root = doc.getRootElement();
Element element = root;
StringTokenizer st = new StringTokenizer(strRoute, ":");
str = st.nextToken();
while (st.hasMoreTokens()) {
str = st.nextToken();
//mypage.FcfeMain.wR(mypage.FcfeMain.SIM_APP_ERP,str);
element = element.getChild(str);
}
// mypage.FcfeMain.wR(mypage.FcfeMain.SIM_APP_ERP,"test :"+str);
element = (Element) element.getParent();
//若需要改写的不是XML文件的第一个同名元素，则获取该元素
//方法为:将之前的元素依次移到后面，需要改写的元素前移至第一个
/*
* if(flag>1) { int j=flag; while(j!=1) {
*
* Element tmp=element.getChild(str);
* element.addContent(tmp.detach()); j--; } }
*/
element = element.getChild(str).getChild(strElement);
// mypage.FcfeMain.wR(mypage.FcfeMain.SIM_APP_ERP,"gettxt
// "+element.getText());
element.setText(strSet);
//若需要改写的不是XML文件的第一个同名元素
//上面改变了次序，需要在成功改写后恢复原有次序
/*
* if(flag!=1) {
*
* java.util.List children=element.getChildren(); Iterator
* iterator=children.iterator(); int count=0;
* while(iterator.hasNext()) { Element
* child=(Element)iterator.next(); count++; }
*
* System.out.println("count"+count);
*
* k=(count+1-flag)%count;
*
* while(k!=0) { Element tmp=element.getChild(str);
* element.addContent(tmp.detach()); k--; } }
*
*/
XMLOutputter outputter = new XMLOutputter("", false, "GB2312");
PrintWriter out = new PrintWriter(new BufferedWriter(
new FileWriter(xmlFileName)));
Document myDocument = root.getDocument();
outputter.output(myDocument, out);
out.close();
} catch (JDOMException jdome) {
jdome.printStackTrace();
// mypage.FcfeMain.wR(mypage.FcfeMain.SIM_APP_ERP, xmlFileName
// + " is not well-formed\n");
} catch (IOException ioe) {
ioe.printStackTrace();
// mypage.FcfeMain.wR(mypage.FcfeMain.SIM_APP_ERP, ioe);
} catch (Exception e) {
e.printStackTrace();
// mypage.FcfeMain.wR(mypage.FcfeMain.SIM_APP_ERP,
// "write not succeed\n");
}
}
public static void parse(java.io.Reader input, Element context) throws java.io.IOException {
char[] buf = new char[512];
int len, chr = input.read();
while (true) {
while (chr > 0 && chr <= 32) {
/* Skip whitespace.*/
chr = input.read();
}
while (chr == '(') {
/* Skip comments.*/
while (chr > 0 && chr != ')') {
chr = input.read();
}
if (chr == ')') {
chr = input.read();
}
while (chr > 0 && chr <= 32) {
chr = input.read();
}
}
len = 0;
while (chr > 0 && chr <= 32) {
/* Skip whitespace.*/
chr = input.read();
}
while (chr > 32) {
/* Read token.*/
buf[len++] = (char) chr;
chr = input.read();
}
String token = new String(buf, 0, len);
len = 0;
while (chr > 0 && chr <= 32) {
/* Skip whitespace.*/
chr = input.read();
}
if (chr == '"') {
/* Quote-delimited value. */
chr = input.read();
while (chr > 0 && chr != '"') {
buf[len++] = (char) chr;
chr = input.read();
}
if (chr == '"') {
chr = input.read();
}
} else {
/* Whitespace-delimited value.*/
while (chr > 32) {
buf[len++] = (char) chr;
chr = input.read();
}
}
String param = new String(buf, 0, len);
while (!token.equals(context.getToken())) {
if (context.getSibling() != null) {
context = context.getSibling();
} else {
if (context.getParent() != null) {
context = context.getParent();
context.end();
} else if (token.length() > 0) {
throw new IllegalArgumentException("Invalid token: " + token);
} else {
/* Zero-length token means end of file.*/
return;
}
}
}
context.begin(param);
if (context.getChild() != null) {
context = context.getChild();
} else {
context.end();
}
}
}
@Override
public void endEntity() {
element = element.getParent();
}
