Examples of org.jdom.JDOMException

org.jdom.JDOMException
The top level exception that JDOM classes can throw. Its subclasses add specificity to the problems that can occur using JDOM. This single exception can be caught to handle all JDOM specific problems (some methods may throw {@link java.io.IOException} and such). @version $Revision: 1.26 $, $Date: 2008/12/10 00:59:51 $ @author Brett McLaughlin @author Jason Hunter

   * @throws JDOMException
   *             if parsing the request failed or if the request is not valid.
   */
  private void parseLockScope(Element lockScopeElement) throws JDOMException {
    if (lockScopeElement == null) {
      throw new JDOMException("Expected <" + E_LOCKSCOPE + "> element");
    }


    List children = lockScopeElement.getChildren();
    if (children.size() != 1) {
      throw new JDOMException("<" + E_LOCKSCOPE
          + "> must have exactly one child element");
    }


    lockInfo_lockScope = ((Element) children.get(0)).getName();
    if (!(E_EXCLUSIVE.equals(lockInfo_lockScope)
        || E_SHARED.equals(lockInfo_lockScope) || E_LOCAL
        .equals(lockInfo_lockScope))) {
      throw new JDOMException("<" + E_LOCKSCOPE
          + "> can only contain one of <" + E_EXCLUSIVE + "> or <"
          + E_SHARED + "> or <" + E_LOCAL + ">");
    }
  }

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   *             if parsing the request failed or if the request is not valid.
   */
  private void parseLockType(Element lockTypeElement) throws JDOMException {


    if (lockTypeElement == null) {
      throw new JDOMException("Expected <" + E_LOCKTYPE + "> element");
    }


    List children = lockTypeElement.getChildren();
    if (children.size() != 1) {
      throw new JDOMException("<" + E_LOCKTYPE
          + "> must have exactly one child element");
    }
    String lockTypeName = ((Element) children.get(0)).getName();
    if (!E_WRITE.equals(lockTypeName)
        && !E_TRANSACTION.equals(lockTypeName)) {
      throw new JDOMException(
          "Only write and transaction locks are supported");
    }
    lockInfo_lockType = ((Element) children.get(0)).getName();
  }

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                    }
                    else if (E_REMOVE.equals(child.getName())) {
                        propertiesToRemove.add(getPropElement(child));
                    }
                    else {
                        throw new JDOMException("Expected <"+E_SET+"> or <"+E_REMOVE+"> element");
                    }
                }
                
                
            }

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     */
    private Element getPropElement(Element parent) throws JDOMException {
        List childrenList = parent.getChildren();
        if ( (childrenList.size() != 1) ||
                ( ! E_PROP.equals(((Element)childrenList.get(0)).getName()) ) ) {
            throw new JDOMException("Expected &lt;"+E_PROP+"&gt; element");
        }
        return (Element)childrenList.get(0);
    }

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        max = children.size();
        for (i = 0; i < max; i++) {
            child = (Element) children.get(i);
            if (child.getName().equals(elementName)) {
                if (found != null) {
                    throw new JDOMException("multiple child elements '" + elementName + "' found.");
                }
                found = child;
            }
        }
        if (found == null) {
            throw new JDOMException("child element '" + elementName + "' not found.");
        }
        return found.getText();
    }

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                operationElement = current;
            }
            current = root.getChild(DeltavConstants.E_SET, DNSP);
            if ( current != null) {
                if (operationElement != null) {
                    throw new JDOMException(LABEL_MUST_CONTAIN_EITHER_ADD_SET_OR_REMOVE);
                }
                operationElement = current;
            }
            current = root.getChild(DeltavConstants.E_REMOVE, DNSP);
            if ( current != null) {
                if (operationElement != null) {
                    throw new JDOMException(LABEL_MUST_CONTAIN_EITHER_ADD_SET_OR_REMOVE);
                }
                operationElement = current;
            }
            if (operationElement == null) {
                throw new JDOMException(LABEL_MUST_CONTAIN_EITHER_ADD_SET_OR_REMOVE);
            }
            operation = operationElement.getName();
            
            Element labelName = operationElement.getChild(DeltavConstants.E_LABEL_NAME, DNSP);
            if ( (labelName == null) ||
                    (labelName.getText() == null) ||
                    (labelName.getText().length() == 0) ) {
                throw new JDOMException(LABEL_MISSING);
            }
            label = labelName.getText();
        }
        catch (IOException  e){
            int statusCode = WebdavStatus.SC_INTERNAL_SERVER_ERROR;

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        Document document;
        Element root;
        
        document = parseRequestContent();
        if (document == null) {
            throw new JDOMException("Request content missing");
        }
        root = document.getRootElement();
        if( root == null || !root.getName().equals(rootName) ) {
            Domain.warn( "Root element must be "+rootName );
            throw new JDOMException("Root element must be <"+rootName+">");
        }
        return root;
    }

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        Iterator i = parseRequestContent(E_UPDATE).getChildren().iterator();
        while( i.hasNext() ) {
            Element e = (Element)i.next();
            if( e.getName().equals(E_VERSION) ) {
                if( updateSourcePath != null ) {
                    throw new JDOMException("At most one &lt;"+E_VERSION+"&gt; element allowed" );
                }
                if (updateLabelName != null) {
                    throw new JDOMException("Either a &lt;"+E_VERSION+"&gt; OR a &lt;"+E_LABEL_NAME+"&gt; element allowed");
                }
                // get the href element
                ve = e;
                try {
                    Element hre = (Element)ve.getChildren().get(0);
                    if( hre == null || !hre.getName().equals(E_HREF) )
                        throw new Exception();
                    updateSourcePath = getSlidePath( hre.getText() );
                }
                catch( Exception x ) {
                    throw new JDOMException("&lt;"+E_VERSION+"&gt; element must contain &lt;"+E_HREF+"&gt; element" );
                }
            }
            if( e.getName().equals(E_PROP) ) {
                if( requestedProps != null ) {
                    throw new JDOMException("At most one "+E_PROP+" element allowed" );
                }
                requestedProps = new RequestedPropertiesImpl( e );
            }
            if( e.getName().equals(E_LABEL_NAME) ) {
                if (updateSourcePath != null) {
                    throw new JDOMException("Either a &lt;"+E_VERSION+"&gt; OR a &lt;"+E_LABEL_NAME+"&gt; element allowed");
                }
                if( updateLabelName != null ) {
                    throw new JDOMException("At most one &lt;"+E_LABEL_NAME+"&gt; element allowed" );
                }
                updateLabelName = e.getText();
            }
        }
    }

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                                throw new Exception();
                            existingVersionPath = getSlidePath( hre.getText() );
                        }
                        catch( Exception x ) {
                            Domain.warn( E_VERSION+" element must contain "+E_HREF+" element" );
                            throw new JDOMException("<"+E_VERSION+"> element must contain <"+E_HREF+"> element" );
                        }
                        break;
                    }
                }
            }

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                    }
                    else if (E_REMOVE.equals(child.getName())) {
                        propertiesToRemove.add(getPropElement(child));
                    }
                    else {
                        throw new JDOMException("Expected <"+E_SET+"> or <"+E_REMOVE+"> element");
                    }
                }
                
                
            }

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