Examples with Each org.thymeleaf.standard.expression.Each used on opensource projects

Example 1 with Each

use of org.thymeleaf.standard.expression.Each in project thymeleaf by thymeleaf.

the class StandardEachTagProcessor method doProcess.

@Override
protected void doProcess(final ITemplateContext context, final IProcessableElementTag tag, final AttributeName attributeName, final String attributeValue, final IElementTagStructureHandler structureHandler) {
    final Each each = EachUtils.parseEach(context, attributeValue);
    final IStandardExpression iterVarExpr = each.getIterVar();
    final Object iterVarValue = iterVarExpr.execute(context);
    final IStandardExpression statusVarExpr = each.getStatusVar();
    final Object statusVarValue;
    if (statusVarExpr != null) {
        statusVarValue = statusVarExpr.execute(context);
    } else {
        // Will provoke the default behaviour: iterVarValue + 'Stat'
        statusVarValue = null;
    }
    final IStandardExpression iterableExpr = each.getIterable();
    final Object iteratedValue = iterableExpr.execute(context);
    final String iterVarName = (iterVarValue == null ? null : iterVarValue.toString());
    if (StringUtils.isEmptyOrWhitespace(iterVarName)) {
        throw new TemplateProcessingException("Iteration variable name expression evaluated as null: \"" + iterVarExpr + "\"");
    }
    final String statusVarName = (statusVarValue == null ? null : statusVarValue.toString());
    if (statusVarExpr != null && StringUtils.isEmptyOrWhitespace(statusVarName)) {
        throw new TemplateProcessingException("Status variable name expression evaluated as null or empty: \"" + statusVarExpr + "\"");
    }
    structureHandler.iterateElement(iterVarName, statusVarName, iteratedValue);
}