Examples of org.jasig.portal.PortalException

org.jasig.portal.PortalException
Base portal exception class. Information contained in this class allows ErrorChannel to handle errors gracefully. This class also reports itself to the ProblemsTable whenever it is instantiated. The Problems servlet displays recently reported PortalExceptions. @author Peter Kharchenko @version $Revision: 19776 $


    public void saveUserLayout() throws PortalException{
        if(isLayoutDirty()) {
            Document ulm=this.getUserLayoutDOM();
            if(ulm==null) {
                throw new PortalException("UserLayout has not been initialized.");
            } else {
                if(this.getLayoutStore()==null) {
                    throw new PortalException("Store implementation has not been set.");
                } else {
                    try {
                        this.getLayoutStore().setUserLayout(this.owner,this.profile,ulm,true);
                        // inform listeners
                        for(Iterator i=listeners.iterator();i.hasNext();) {
                            LayoutEventListener lel=(LayoutEventListener)i.next();
                            lel.layoutSaved();
                        }
                    } catch (PortalException pe) {
                        throw pe;
                    } catch (Exception e) {
                        throw new PortalException("Exception encountered while trying to save a layout for userId="+this.owner.getID()+", profileId="+this.profile.getProfileId(),e);
                    }
                }
            }
        }
    }

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    }


    public IUserLayoutNodeDescription getNode(String nodeId) throws PortalException {
        Document ulm=this.getUserLayoutDOM();
        if(ulm==null) {
            throw new PortalException("UserLayout has not been initialized.");
        }


        // find an element with a given id
        Element element = (Element) ulm.getElementById(nodeId);


        if(element==null) {
            throw new PortalException("Element with ID=\""+nodeId+"\" doesn't exist.");
        }
        return UserLayoutNodeDescription.createUserLayoutNodeDescription(element);
    }

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        IUserLayoutNodeDescription parent=this.getNode(parentId);
        if(canAddNode(node,parent,nextSiblingId)) {
            // assign new Id


            if(this.getLayoutStore()==null) {
                throw new PortalException("Store implementation has not been set.");
            } else {
                try {
                    if(node instanceof IUserLayoutChannelDescription) {
                        isChannel=true;
                        node.setId(this.getLayoutStore().generateNewChannelSubscribeId(owner));
                    } else {
                        node.setId(this.getLayoutStore().generateNewFolderId(owner));
                    }
                } catch (PortalException pe) {
                    throw pe;
                } catch (Exception e) {
                    throw new PortalException("Exception encountered while generating new usre layout node Id for userId="+this.owner.getID());
                }
            }


            Document ulm=this.getUserLayoutDOM();
            Element childElement=node.getXML(ulm);

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            Element childElement=(Element)ulm.getElementById(nodeId);
            Node parent=childElement.getParentNode();
            if(parent!=null) {
                parent.removeChild(childElement);
            } else {
                throw new PortalException("Node \""+nodeId+"\" has a NULL parent !");
            }
            markLayoutDirty();
            // clearMarkings(); // this one is questionable
            this.updateCacheKey();

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                    for(Iterator i=listeners.iterator();i.hasNext();) {
                        LayoutEventListener lel=(LayoutEventListener)i.next();
                        lel.channelUpdated(ev);
                    }
                } else {
                    throw new PortalException("Change channel to folder is not allowed by updateNode() method!");
                }
            } else {
                 // must be a folder
                if(node instanceof IUserLayoutFolderDescription) {
                    Document ulm=this.getUserLayoutDOM();

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    protected boolean canAddNode(IUserLayoutNodeDescription node,IUserLayoutNodeDescription parent, String nextSiblingId) throws PortalException {
        // make sure sibling exists and is a child of nodeId
        if(nextSiblingId!=null) {
            IUserLayoutNodeDescription sibling=getNode(nextSiblingId);
            if(sibling==null) {
                throw new PortalException("Unable to find a sibling node with id=\""+nextSiblingId+"\"");
            }
            if(!parent.getId().equals(getParentId(nextSiblingId))) {
                throw new PortalException("Given sibling (\""+nextSiblingId+"\") is not a child of a given parentId (\""+parent.getId()+"\")");
            }
        }


        return (parent!=null && parent instanceof IUserLayoutFolderDescription && !parent.isImmutable());
    }

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    protected boolean canMoveNode(IUserLayoutNodeDescription node,IUserLayoutNodeDescription parent, String nextSiblingId) throws PortalException {
        // is the current parent immutable ?
        IUserLayoutNodeDescription currentParent=getNode(getParentId(node.getId()));
        if(currentParent==null) {
            throw new PortalException("Unable to determine a parent node for node with id=\""+node.getId()+"\"");
        }
        return (!currentParent.isImmutable() && canAddNode(node,parent,nextSiblingId));
    }

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        Element nelement=(Element)ulm.getElementById(nodeId);
        if(nelement!=null) {
            Node parent=nelement.getParentNode();
            if(parent!=null) {
                if(parent.getNodeType()!=Node.ELEMENT_NODE) {
                    throw new PortalException("Node with id=\""+nodeId+"\" is attached to something other then an element node.");
                } else {
                    Element e=(Element) parent;
                    return e.getAttribute("ID");
                }
            } else {
                return null;
            }
        } else {
            throw new PortalException("Node with id=\""+nodeId+"\" doesn't exist.");
        }
    }

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                return e.getAttribute("ID");
            } else {
                return null;
            }
        } else {
            throw new PortalException("Node with id=\""+nodeId+"\" doesn't exist.");
        }
    }

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                return e.getAttribute("ID");
            } else {
                return null;
            }
        } else {
            throw new PortalException("Node with id=\""+nodeId+"\" doesn't exist.");
        }
    }

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