Java Element类代码示例

import org.kxml2.kdom.Element; //导入依赖的package包/类
protected void parseBind(Element e) {
  // remember raw bindings in case we want to compare parsed XForms later
  parser.bindElements.add(copyBindingElement(e));
  List<String> usedAtts = new ArrayList<String>();

  DataBinding binding = processStandardBindAttributes(usedAtts, e);

  String value = e.getAttributeValue(ParserConsts.NAMESPACE_ODK, "length");
  if (value != null) {
    e.setAttribute(ParserConsts.NAMESPACE_ODK, "length", null);
  }

  log.info("Calling handle found value " + ((value == null) ? "null" : value));

  if (value != null) {
    Integer iValue = Integer.valueOf(value);
    parser.setNodesetStringLength(e.getAttributeValue(null, "nodeset"), iValue);
  }

  // print unused attribute warning message for parent element
  if (XFormUtils.showUnusedAttributeWarning(e, usedAtts)) {
    System.out.println(XFormUtils.unusedAttWarning(e, usedAtts));
  }

  addBinding(binding);
}
 

import org.kxml2.kdom.Element; //导入依赖的package包/类
public void generateXmlManifestList(PrintWriter output, CallingContext cc) throws IOException, ODKDatastoreException {
  Document d = new Document();
  d.setStandalone(true);
  d.setEncoding(HtmlConsts.UTF8_ENCODE);
  Element e = d.createElement(XML_TAG_NAMESPACE, XFormsTableConsts.MANIFEST_TAG);
  e.setPrefix(null, XML_TAG_NAMESPACE);
  d.addChild(0, Node.ELEMENT, e);
  int idx = 0;
  e.addChild(idx++, Node.IGNORABLE_WHITESPACE, BasicConsts.NEW_LINE);

  // build XML table of form information
  BinaryContentManipulator manifest = form.getManifestFileset();
  if ( manifest != null ) {
      int fileCount = manifest.getAttachmentCount(cc);
      for ( int i = 1 ; i <= fileCount ; ++i ) {
        idx = generateManifestXmlEntry(d, e, idx, form.getUri(), manifest, i, cc);
      }
  }

  KXmlSerializer serializer = new KXmlSerializer();
  serializer.setOutput(output);
  // setting the response content type emits the xml header.
  // just write the body here...
  d.writeChildren(serializer); 
  serializer.flush();
}
 

import org.kxml2.kdom.Element; //导入依赖的package包/类
public void generateXmlListOfForms(PrintWriter output, CallingContext cc) throws IOException, ODKDatastoreException {
  Document d = new Document();
  d.setStandalone(true);
  d.setEncoding(HtmlConsts.UTF8_ENCODE);
  Element e = d.createElement(XML_TAG_NAMESPACE, XFormsTableConsts.XFORMS_TAG);
  e.setPrefix(null, XML_TAG_NAMESPACE);
  d.addChild(0, Node.ELEMENT, e);
  int idx = 0;
  e.addChild(idx++, Node.IGNORABLE_WHITESPACE, BasicConsts.NEW_LINE);

  // build XML table of form information
  for (IForm form : forms) {
    if (!form.hasValidFormDefinition() || !form.getDownloadEnabled())
      continue;

    idx = generateFormXmlEntry(d, e, idx, form, cc);
  }

  KXmlSerializer serializer = new KXmlSerializer();
  serializer.setOutput(output);
  // setting the response content type emits the xml header.
  // just write the body here...
  d.writeChildren(serializer);
  serializer.flush();
}
 

import org.kxml2.kdom.Element; //导入依赖的package包/类
private static void writeChoices (Element e, String typeName, List<SelectChoice> choices) {
	Element st = new Element();
	st.setName("simpleType");
	st.setAttribute(null, "name", typeName);
	e.addChild(Node.ELEMENT, st);

	Element restr = new Element();
	restr.setName("restriction");
	restr.setAttribute(null, "base", "string");
	st.addChild(Node.ELEMENT, restr);

	for (int i = 0; i < choices.size(); i++) {
		String value = choices.get(i).getValue();

		Element choice = new Element();
		choice.setName("enumeration");
		choice.setAttribute(null, "value", value);
		restr.addChild(Node.ELEMENT, choice);
	}
}
 

import org.kxml2.kdom.Element; //导入依赖的package包/类
private void parseTitle (Element e) {
     List<String> usedAtts = new ArrayList<String>(); //no attributes parsed in title.
	String title = getXMLText(e, true);
	System.out.println("Title: \"" + title + "\"");
	_f.setTitle(title);
	if(_f.getName() == null) {
		//Jan 9, 2009 - ctsims
		//We don't really want to allow for forms without
		//some unique ID, so if a title is available, use
		//that.
		_f.setName(title);
	}


	if(XFormUtils.showUnusedAttributeWarning(e, usedAtts)){
		reporter.warning(XFormParserReporter.TYPE_UNKNOWN_MARKUP, XFormUtils.unusedAttWarning(e, usedAtts), getVagueLocation(e));
	}
}
 

import org.kxml2.kdom.Element; //导入依赖的package包/类
private void parseMeta (Element e) {
     List<String> usedAtts = new ArrayList<String>();
	int attributes = e.getAttributeCount();
	for(int i = 0 ; i < attributes ; ++i) {
		String name = e.getAttributeName(i);
		String value = e.getAttributeValue(i);
		if("name".equals(name)) {
			_f.setName(value);
		}
	}


	usedAtts.add("name");
	if(XFormUtils.showUnusedAttributeWarning(e, usedAtts)){
		reporter.warning(XFormParserReporter.TYPE_UNKNOWN_MARKUP, XFormUtils.unusedAttWarning(e, usedAtts), getVagueLocation(e));
	}
}
 

import org.kxml2.kdom.Element; //导入依赖的package包/类
protected QuestionDef parseUpload(IFormElement parent, Element e, int controlUpload) {
    List<String> usedAtts = new ArrayList<String>();
usedAtts.add("mediatype");
// get media type value
String mediaType = e.getAttributeValue(null, "mediatype");
// parse the control
QuestionDef question = parseControl(parent, e, controlUpload, usedAtts);

// apply the media type value to the returned question def.
if ("image/*".equals(mediaType)) {
	// NOTE: this could be further expanded.
	question.setControlType(Constants.CONTROL_IMAGE_CHOOSE);
} else if("audio/*".equals(mediaType)) {
          question.setControlType(Constants.CONTROL_AUDIO_CAPTURE);
      } else if ("video/*".equals(mediaType)) {
          question.setControlType(Constants.CONTROL_VIDEO_CAPTURE);
      }
      return question;
  }
 

import org.kxml2.kdom.Element; //导入依赖的package包/类
private void parseQuestionLabel (QuestionDef q, Element e) {
	String label = getLabel(e);
	String ref = e.getAttributeValue("", REF_ATTR);

     List<String> usedAtts = new ArrayList<String>();
	usedAtts.add(REF_ATTR);

	if (ref != null) {
		if (ref.startsWith(ITEXT_OPEN) && ref.endsWith(ITEXT_CLOSE)) {
			String textRef = ref.substring(ITEXT_OPEN.length(), ref.indexOf(ITEXT_CLOSE));

			verifyTextMappings(textRef, "Question <label>", true);
			q.setTextID(textRef);
		} else {
			throw new RuntimeException("malformed ref [" + ref + "] for <label>");
		}
	} else {
		q.setLabelInnerText(label);
	}


	if(XFormUtils.showUnusedAttributeWarning(e, usedAtts)){
		reporter.warning(XFormParserReporter.TYPE_UNKNOWN_MARKUP, XFormUtils.unusedAttWarning(e, usedAtts), getVagueLocation(e));
	}
}
 

import org.kxml2.kdom.Element; //导入依赖的package包/类
private void recurseForOutput(Element e){
	if(e.getChildCount() == 0) return;

	for(int i=0;i<e.getChildCount();i++){
		int kidType = e.getType(i);
		if(kidType == Node.TEXT) { continue; }
		if(e.getChild(i) instanceof String) { continue; }
		Element kid = (Element)e.getChild(i);

			//is just text
		if(kidType == Node.ELEMENT && XFormUtils.isOutput(kid)){
			String s = "${"+parseOutput(kid)+"}";
			e.removeChild(i);
			e.addChild(i, Node.TEXT, s);

			//has kids? Recurse through them and swap output tag for parsed version
		}else if(kid.getChildCount() !=0){
			recurseForOutput(kid);
			//is something else
		}else{
			continue;
		}
	}
}
 

import org.kxml2.kdom.Element; //导入依赖的package包/类
private void parseHint (QuestionDef q, Element e) {
     List<String> usedAtts = new ArrayList<String>();
	usedAtts.add(REF_ATTR);
	String hint = getXMLText(e, true);
	String hintInnerText = getLabel(e);
	String ref = e.getAttributeValue("", REF_ATTR);

	if (ref != null) {
		if (ref.startsWith(ITEXT_OPEN) && ref.endsWith(ITEXT_CLOSE)) {
			String textRef = ref.substring(ITEXT_OPEN.length(), ref.indexOf(ITEXT_CLOSE));

			verifyTextMappings(textRef, "<hint>", false);
			q.setHelpTextID(textRef);
		} else {
			throw new RuntimeException("malformed ref [" + ref + "] for <hint>");
		}
	} else {
	    q.setHelpInnerText(hintInnerText);
		q.setHelpText(hint);
	}

	if(XFormUtils.showUnusedAttributeWarning(e, usedAtts)){
		reporter.warning(XFormParserReporter.TYPE_UNKNOWN_MARKUP, XFormUtils.unusedAttWarning(e, usedAtts), getVagueLocation(e));
	}
}
 

import org.kxml2.kdom.Element; //导入依赖的package包/类
private void parseIText (Element itext) {
	Localizer l = new Localizer(true, true);
	_f.setLocalizer(l);
	l.registerLocalizable(_f);

     ArrayList<String> usedAtts = new ArrayList<String>(); //used for warning message

	for (int i = 0; i < itext.getChildCount(); i++) {
		Element trans = itext.getElement(i);
		if (trans == null || !trans.getName().equals("translation"))
			continue;

		parseTranslation(l, trans);
	}

	if (l.getAvailableLocales().length == 0)
		throw new XFormParseException("no <translation>s defined",itext);

	if (l.getDefaultLocale() == null)
		l.setDefaultLocale(l.getAvailableLocales()[0]);

	//print unused attribute warning message for parent element
	if(XFormUtils.showUnusedAttributeWarning(itext, usedAtts)){
		reporter.warning(XFormParserReporter.TYPE_UNKNOWN_MARKUP, XFormUtils.unusedAttWarning(itext, usedAtts), getVagueLocation(itext));
	}
}
 

import org.kxml2.kdom.Element; //导入依赖的package包/类
private void addMainInstanceToFormDef(Element e, FormInstance instanceModel) {
	//TreeElement root = buildInstanceStructure(e, null);
	loadInstanceData(e, instanceModel.getRoot(), _f);

	checkDependencyCycles();
	_f.setInstance(instanceModel);
	try {
		_f.finalizeTriggerables();
	} catch(IllegalStateException ise) {
		throw new XFormParseException(ise.getMessage() == null ? "Form has an illegal cycle in its calculate and relevancy expressions!" : ise.getMessage());
	}

	//print unused attribute warning message for parent element
	//if(XFormUtils.showUnusedAttributeWarning(e, usedAtts)){
	//	reporter.warning(XFormParserReporter.TYPE_UNKNOWN_MARKUP, XFormUtils.unusedAttWarning(e, usedAtts), getVagueLocation(e));
	//}
}
 

import org.kxml2.kdom.Element; //导入依赖的package包/类
public static String getVagueElementPrintout(Element e, int maxDepth) {
	String elementString = "<" + e.getName();
	for(int i = 0; i <  e.getAttributeCount() ; ++i) {
		elementString += " " + e.getAttributeName(i) + "=\"";
		elementString += e.getAttributeValue(i) + "\"";
	}
	if(e.getChildCount() > 0) {
		elementString += ">";
		if(e.getType(0) ==Element.ELEMENT) {
			if(maxDepth > 0) {
				elementString += getVagueElementPrintout((Element)e.getChild(0),maxDepth -1);
			} else {
				elementString += "...";
			}
		}
	} else {
		elementString += "/>";
	}
	return elementString;
}
 

import org.kxml2.kdom.Element; //导入依赖的package包/类
/**
 * @param data The AnswerDataObject to be serialized
 * @return A String which contains a reference to the
 * data
 */
public Object serializeAnswerData(MultiPointerAnswerData data) {
	//Note: In order to override this default behavior, a
	//new serializer should be used, and then registered
	//with this serializer
	IDataPointer[] pointers = (IDataPointer[])data.getValue();
	if(pointers.length == 1) {
		return pointers[0].getDisplayText();
	}
	Element parent = new Element();
	for(int i = 0; i < pointers.length; ++i) {
		Element datael = new Element();
		datael.setName("data");

		datael.addChild(Element.TEXT, pointers[i].getDisplayText());
		parent.addChild(Element.ELEMENT, datael);
	}
	return parent;
}
 

import org.kxml2.kdom.Element; //导入依赖的package包/类
public static String elementToString(Element e){
	KXmlSerializer serializer = new KXmlSerializer();

	ByteArrayOutputStream bos = new ByteArrayOutputStream();
	DataOutputStream dos = new DataOutputStream(bos);
	String s=null;
	try {
		serializer.setOutput(dos, null);
		e.write(serializer);
		serializer.flush();
		s = new String(bos.toByteArray(),"UTF-8");
		return s;
	}catch (UnsupportedEncodingException uce){
		uce.printStackTrace();
	} catch (Exception ex) {
		ex.printStackTrace();
		return null;
	}

	return null;

}