public GravatarPanel(final String idParam, final String emailParam) {
super(idParam);
if (emailParam == null) {
LOGGER.debug(new StringResourceModel("nullEmailParamLogMessage", this, null).getString());
addDefaultGravatarImage();
} else {
try {
final byte[] hash = MessageDigest.getInstance(MD5).digest(emailParam.getBytes());
final StringBuilder hashString = new StringBuilder();
for (final byte elementLocal : hash) {
final String hex = Integer.toHexString(elementLocal);
if (hex.length() == 1) {
hashString.append(ZERO);
hashString.append(hex.charAt(hex.length() - 1));
} else {
hashString.append(hex.substring(hex.length() - 2));
}
}
final Image imgLocal = new Image(WICKET_ID_GRAVATAR_IMG, (IResource) null);
imgLocal.add(
AttributeModifierFactory.newAttributeAppenderForSrc(
"http://www.gravatar.com/avatar/" + hashString.toString() + DOT_JPG));
imgLocal.add(
AttributeModifierFactory.newAttributeAppenderForAlt(
new StringResourceModel("gravatarAlt", this, null) + emailParam + DOT));
add(imgLocal);
} catch (final NoSuchAlgorithmException ex) {
LOGGER.info(
new StringResourceModel("md5HashAlgoNotFoundLogMessage", this, null).getString(), ex);
addDefaultGravatarImage();
}
}
}
private void addDefaultGravatarImage() {
final Image imgLocal = new Image(WICKET_ID_GRAVATAR_IMG, (IResource) null);
imgLocal.add(
AttributeModifierFactory.newAttributeAppenderForSrc(
new StringResourceModel("defaultGravatarImageHref", this, null).getString()));
imgLocal.add(
AttributeModifierFactory.newAttributeAppenderForAlt(
new StringResourceModel("defaultGravatarImageAlt", this, null).getString()));
add(imgLocal);
}
@Override
protected Link<T> createPageLink(MenuLinkItem menuLink) {
String imageSrc = menuLink.getIcon();
// default nebo ikonu
Image image = new Image("icon", "");
AttributeModifier attributeModifier =
new AttributeModifier(
"src", new Model<String>(imageSrc == null ? "/grass/img/tags/label_16.png" : imageSrc));
image.add(attributeModifier);
Link<T> link = super.createPageLink(menuLink);
link.add(image);
return link;
}
protected Component getLoadingComponent(final String markupId) {
Image image = new Image(markupId, PRELOADER);
image.add(
new VisibleEnableBehaviour() {
@Override
public boolean isVisible() {
return isLoadingVisible();
}
});
return image;
}
@Override
public void addBehavior(Behavior behavior) {
image.add(behavior);
}