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| package org.dom4j; |
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| import java.io.StringReader; |
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| import java.util.List; |
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| import java.util.Map; |
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| import java.util.StringTokenizer; |
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| import org.dom4j.io.SAXReader; |
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| import org.dom4j.rule.Pattern; |
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| import org.jaxen.VariableContext; |
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| import org.xml.sax.InputSource; |
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| public final class DocumentHelper { |
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| private DocumentHelper() {
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| } |
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12496
| private static DocumentFactory getDocumentFactory() {
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| return DocumentFactory.getInstance();
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| } |
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| public static Document createDocument() {
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| return getDocumentFactory().createDocument();
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| } |
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| public static Document createDocument(Element rootElement) {
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| return getDocumentFactory().createDocument(rootElement);
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| } |
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| public static Element createElement(QName qname) {
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| return getDocumentFactory().createElement(qname);
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| } |
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| public static Element createElement(String name) {
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| return getDocumentFactory().createElement(name);
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| } |
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| public static Attribute createAttribute(Element owner, QName qname,
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| String value) { |
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| return getDocumentFactory().createAttribute(owner, qname, value);
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| } |
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| public static Attribute createAttribute(Element owner, String name,
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| String value) { |
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| return getDocumentFactory().createAttribute(owner, name, value);
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| } |
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| public static CDATA createCDATA(String text) {
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| return DocumentFactory.getInstance().createCDATA(text);
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| } |
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| public static Comment createComment(String text) {
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| return DocumentFactory.getInstance().createComment(text);
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| } |
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| public static Text createText(String text) {
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| return DocumentFactory.getInstance().createText(text);
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| } |
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| public static Entity createEntity(String name, String text) {
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| return DocumentFactory.getInstance().createEntity(name, text);
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| } |
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| public static Namespace createNamespace(String prefix, String uri) {
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| return DocumentFactory.getInstance().createNamespace(prefix, uri);
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| } |
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| public static ProcessingInstruction createProcessingInstruction(String pi,
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| String d) { |
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| return getDocumentFactory().createProcessingInstruction(pi, d);
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| } |
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| public static ProcessingInstruction createProcessingInstruction(String pi,
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| Map data) { |
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| return getDocumentFactory().createProcessingInstruction(pi, data);
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| } |
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| public static QName createQName(String localName, Namespace namespace) {
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| return getDocumentFactory().createQName(localName, namespace);
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| } |
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| public static QName createQName(String localName) {
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| return getDocumentFactory().createQName(localName);
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| } |
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| public static XPath createXPath(String xpathExpression)
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| throws InvalidXPathException { |
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| return getDocumentFactory().createXPath(xpathExpression);
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| } |
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| public static XPath createXPath(String xpathExpression,
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| VariableContext context) throws InvalidXPathException { |
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| return getDocumentFactory().createXPath(xpathExpression, context);
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| } |
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| public static NodeFilter createXPathFilter(String xpathFilterExpression) {
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| return getDocumentFactory().createXPathFilter(xpathFilterExpression);
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| } |
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| public static Pattern createPattern(String xpathPattern) {
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| return getDocumentFactory().createPattern(xpathPattern);
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| } |
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| public static List selectNodes(String xpathFilterExpression, List nodes) {
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| XPath xpath = createXPath(xpathFilterExpression);
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| return xpath.selectNodes(nodes);
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| } |
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| public static List selectNodes(String xpathFilterExpression, Node node) {
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| XPath xpath = createXPath(xpathFilterExpression);
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| return xpath.selectNodes(node);
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| } |
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| public static void sort(List list, String xpathExpression) {
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| XPath xpath = createXPath(xpathExpression);
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| xpath.sort(list);
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| } |
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| public static void sort(List list, String expression, boolean distinct) {
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| XPath xpath = createXPath(expression);
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| xpath.sort(list, distinct);
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| } |
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5552
| public static Document parseText(String text) throws DocumentException {
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5552
| Document result = null;
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5552
| SAXReader reader = new SAXReader();
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5552
| String encoding = getEncoding(text);
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| InputSource source = new InputSource(new StringReader(text));
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5552
| source.setEncoding(encoding);
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| result = reader.read(source);
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| if (result.getXMLEncoding() == null) {
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5528
| result.setXMLEncoding(encoding);
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| } |
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5552
| return result;
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| } |
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5552
| private static String getEncoding(String text) {
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5552
| String result = null;
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| String xml = text.trim();
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| if (xml.startsWith("<?xml")) {
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| int end = xml.indexOf("?>");
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| String sub = xml.substring(0, end);
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| StringTokenizer tokens = new StringTokenizer(sub, " =\"\'");
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| while (tokens.hasMoreTokens()) {
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| String token = tokens.nextToken();
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| if ("encoding".equals(token)) {
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| if (tokens.hasMoreTokens()) {
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| result = tokens.nextToken();
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| } |
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| break;
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| } |
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| } |
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| } |
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5552
| return result;
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| } |
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| public static Element makeElement(Branch source, String path) {
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| StringTokenizer tokens = new StringTokenizer(path, "/");
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| Element parent;
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| if (source instanceof Document) {
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| Document document = (Document) source;
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| parent = document.getRootElement();
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| String name = tokens.nextToken();
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| if (parent == null) {
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| parent = document.addElement(name);
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| } |
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| } else { |
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| parent = (Element) source;
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| } |
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| Element element = null;
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| while (tokens.hasMoreTokens()) {
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| String name = tokens.nextToken();
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| if (name.indexOf(':') > 0) {
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4
| element = parent.element(parent.getQName(name));
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| } else { |
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| element = parent.element(name);
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| } |
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| if (element == null) {
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| element = parent.addElement(name);
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| } |
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| parent = element;
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| } |
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| return element;
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| } |
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| } |
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