--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/software/eXist/mpdl-modules/src/de/mpg/mpiwg/berlin/mpdl/externalObjects/app/ExtElement.java	Tue Feb 08 14:54:09 2011 +0100
@@ -0,0 +1,121 @@
+package de.mpg.mpiwg.berlin.mpdl.externalObjects.app;
+
+import java.util.Date;
+
+import de.mpg.mpiwg.berlin.mpdl.exception.ApplicationException;
+import de.mpg.mpiwg.berlin.mpdl.util.XmlUtil;
+
+public class ExtElement extends ExtObject {
+  private String pageNumber;
+  private String xmlNodeId;
+  private String before;
+  private String charPos;
+  private String xpath;
+
+  public static ExtElement parseXmlStr(String xmlStr) throws ApplicationException {
+    XmlUtil xmlUtil = XmlUtil.getInstance();
+    String uid = xmlUtil.evaluateToString(xmlStr, "/object/@uid", null);
+    String dateStr = xmlUtil.evaluateToString(xmlStr, "/object/@modificationDate", null);
+    String docId = xmlUtil.evaluateToString(xmlStr, "/object/@documentId", null);
+    String pageNumber = xmlUtil.evaluateToString(xmlStr, "/object/@pageNumber", null);
+    String xmlNodeId = xmlUtil.evaluateToString(xmlStr, "/object/@xmlNodeId", null);
+    String before = xmlUtil.evaluateToString(xmlStr, "/object/@before", null);
+    String charPos = xmlUtil.evaluateToString(xmlStr, "/object/@charPos", null);
+    String xpath = xmlUtil.evaluateToString(xmlStr, "/object/@xpath", null);
+    String content = xmlUtil.evaluateToXmlString(xmlStr, "/object/content/*", null);
+    Date modDate = xmlUtil.toDate(dateStr);
+    if (uid == null || docId == null || pageNumber == null)
+      throw new ApplicationException("one of the required fields could not be read in: " + xmlStr);
+    ExtElement e = new ExtElement();
+    e.setUid(uid);
+    e.setModificationDate(modDate);
+    e.setDocumentId(docId);
+    e.setPageNumber(pageNumber);
+    e.setXmlNodeId(xmlNodeId);
+    e.setXpath(xpath);
+    e.setBefore(before);
+    e.setCharPos(charPos);
+    e.setContent(content);
+    return e;
+  }
+
+  public String toString() {
+    return getXmlString();
+  }
+  
+  public String getXmlString() {
+    String xmlString = "<object";
+    if (uid != null)
+      xmlString = xmlString + " uid=\"" + uid + "\"";
+    if (documentId != null)
+      xmlString = xmlString + " documentId=\"" + documentId + "\"";
+    if (pageNumber != null)
+      xmlString = xmlString + " pageNumber=\"" + pageNumber + "\"";
+    if (xmlNodeId != null)
+      xmlString = xmlString + " xmlNodeId=\"" + xmlNodeId + "\"";
+    if (before != null)
+      xmlString = xmlString + " before=\"" + before + "\"";
+    if (charPos != null)
+      xmlString = xmlString + " charPos=\"" + charPos + "\"";
+    if (xpath != null)
+      xmlString = xmlString + " xpath=\"" + xpath + "\"";
+    if (modificationDate != null) {
+      XmlUtil xmlUtil = XmlUtil.getInstance();
+      String dateStr = xmlUtil.toXsDate(modificationDate);
+      xmlString = xmlString + " modificationDate=\"" + dateStr + "\"";
+    }
+    xmlString = xmlString + ">";
+    if (content != null) {
+      // write the uid and modificationDate into the content node
+      if (! content.contains("uid")) {
+        int firstClose = content.indexOf(">");
+        if (firstClose != -1)
+          content = content.substring(0, firstClose) + " uid=\"" + uid + "\" modificationDate=\"" + modificationDate + "\" " + content.substring(firstClose);
+      }
+      xmlString = xmlString + "<content>" + content + "</content>";
+    }
+    xmlString = xmlString + "</object>";
+    return xmlString;
+  }
+  
+  public String getXpath() {
+    return xpath;
+  }
+
+  public void setXpath(String xpath) {
+    this.xpath = xpath;
+  }
+
+  public String getXmlNodeId() {
+    return xmlNodeId;
+  }
+
+  public void setXmlNodeId(String xmlNodeId) {
+    this.xmlNodeId = xmlNodeId;
+  }
+
+  public String getCharPos() {
+    return charPos;
+  }
+
+  public void setCharPos(String charPos) {
+    this.charPos = charPos;
+  }
+
+  public String getPageNumber() {
+    return pageNumber;
+  }
+
+  public void setPageNumber(String pageNumber) {
+    this.pageNumber = pageNumber;
+  }
+
+  public String getBefore() {
+    return before;
+  }
+
+  public void setBefore(String before) {
+    this.before = before;
+  }
+
+}