Thanks Chuck for your help. One more tool in the toolbelt :)
The MIME type reported is application/octet-stream. The field should
be empty, since I haven't selected a file right?
Best regards,
Sigurdur
2007/6/28, Chuck Hill <[EMAIL PROTECTED]>:
Add the lines below to see what is in mimeType. That should help
track down the problem.
On Jun 28, 2007, at 5:00 AM, Sigurður E. Vilhelmsson wrote:
> Hi all,
>
> First, I'd like to thank everyone that chimed in on my WOPopUpButton
> problem last week. I believe I've got that covered, so on to the next
> one.
>
> I'm building on Janine Sisk's tutorial and have a problem with
> updating an entity through my form. What happens is that if I edit an
> entity already in the database, and leave the field BigFlag empty
> (i.e. update only currency or name), I get an error:
>
> The mimeType property of Country exceeds maximum length of 20
> characters
>
> So I figure something else than MimeType is getting passed to the
> mimeType field in my database. Any pointers on how to figure this out
> (i.e. how to see what gets passed) or something obviously wrong in my
> code below?
>
> Best regards,
> Sigurdur
>
>
> The java for my edit page (minus comments) is:
>
> package com.ninukot.pages;
>
> import com.ninukot.pages.DisplayOneCountry;
> import com.ninukot.eo.Country;
> import com.ninukot.eo.Currency;
> import com.webobjects.appserver.*;
> import com.webobjects.eoaccess.EOGeneralAdaptorException;
> import com.webobjects.eoaccess.EOUtilities;
> import com.webobjects.eocontrol.EOEditingContext;
> import com.webobjects.foundation.NSArray;
> import com.webobjects.foundation.NSData;
> import com.webobjects.foundation.NSTimestamp;
>
> public class AddEditCountry extends WOComponent {
>
> private Country country;
>
> public Currency currencyItem;
>
> public String imageFileName;
>
> private String errorMsg;
>
> public AddEditCountry(WOContext context) {
> super(context);
> }
>
> public NSArray allCurrency () {
> EOEditingContext ec = session().defaultEditingContext();
> return EOUtilities.objectsForEntityNamed(ec, "Currency");
> }
>
> public Currency selectedCurrency() {
> return country.currency();
> }
>
> public void setSelectedCurrency(Currency aCurrency) {
> country.addObjectToBothSidesOfRelationshipWithKey(aCurrency,
> "currency");
> }
>
> public Country country() {
> if (country == null) {
>
> EOUtilities.createAndInsertInstance(session().defaultEditingContext(),
> "Country");
> }
> return country;
> }
>
> public WOComponent saveChanges() {
> if (hasError()) {
> return context().page();
> }
>
> country().setLastModifiedDate(new NSTimestamp());
>
> try {
> session().defaultEditingContext().saveChanges();
> } catch (ValidationException e) {
NSLog.out.appendln("MIME type in save changes: " + country().mimeType
());
> setErrorMsg(e.getMessage());
> } catch (EOGeneralAdaptorException e) {
> setErrorMsg(e.getMessage());
> }
>
> if (hasError()) {
> return context().page();
> } else {
> return goToDisplayOneCountry();
> }
> }
>
> public void validationFailedWithException(Throwable t, Object value,
> String keyPath) {
NSLog.out.appendln("MIME type from takeValues: " + value);
> setErrorMsg(t.getMessage());
> }
>
> public void setErrorMsg(String newMsg) {
> errorMsg = newMsg;
> }
>
> public String errorMsg() {
> return errorMsg;
> }
>
> public void setCountry (Country newCountry) {
> country = newCountry;
> }
>
> public NSData imageData() {
> return country.bigFlag();
> }
>
> public void setImageData(NSData imageData) {
> if (imageData.length() > 0) {
> country().validateTakeValueForKeyPath(imageData,
"bigFlag");
> }
> }
>
> public boolean hasError() {
> return errorMsg() != null;
> }
>
> public boolean hasThumbnailFlag() {
> return country().thumbnailFlag() != null;
> }
>
> public void sleep() {
> setErrorMsg(null);
> super.sleep();
> }
>
> public DisplayOneCountry goToDisplayOneCountry() {
> DisplayOneCountry nextPage = (DisplayOneCountry)
> pageWithName("DisplayOneCountry");
> nextPage.setCountry(country);
> return nextPage;
> }
>
> }
>
> The html:
>
> <p>
> <webobject name="ShowThumbnail">
> Current image:<br />
> <webobject name="Thumbnail"></webobject>
> </webobject>
> </p>
>
> <webobject name="Form">
> <table>
> <tr><td>Nafn: <webobject name="Name"></webobject></td></tr>
> <tr><td>Höfuðborg: <webobject name="Capital"></webobject></td></tr>
> <tr><td>Fáni: <webobject name = "BigFlag"></webobject></td></tr>
> <tr><td>Mynt: <webobject name = "Currency"></webobject></td></tr>
> <tr><td><webobject name="SubmitButton"></webobject></td></tr>
> </table>
> </webobject>
> <webobject name="ShowErrors">
> <font color="red"><webobject name="Error"></webobject></font>
> </webobject>
> <p><webobject name="LinkToDisplayAllCountry">Back to the Index</
> webobject></p>
>
> and WOD:
> ShowErrors : WOConditional {
> condition = hasError;
> }
>
> Error : WOString {
> value = errorMsg;
> }
>
> Form : WOForm {
> enctype = "multipart/form-data";
> }
>
> Name : WOTextField {
> value = country.name;
> }
>
> Capital : WOText {
> value = country.capital;
> }
>
> BigFlag : WOFileUpload {
> mimeType = country.mimeType;
> data = imageData;
> filePath = imageFileName;
> }
>
> Currency : WOPopUpButton {
> list = allCurrency;
> item = currencyItem;
> displayString = currencyItem.currency;
> selection = selectedCurrency;
> }
>
> SubmitButton : WOSubmitButton {
> action = saveChanges;
> value = "Save Changes";
> }
>
> ShowThumbnail: WOConditional {
> condition = hasThumbnailFlag;
> }
>
> Thumbnail : WOImage {
> data = country.thumbnailFlag;
> mimeType = country.mimeType;
> }
>
> LinkToDisplayAllCountry : WOHyperlink {
> pageName = "DisplayAllCountry";
> }
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