Struts example source code file (check.js)

This example Struts source code file (check.js) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Struts tags/keywords

array, array

The Struts check.js source code

/*
	Copyright (c) 2004-2006, The Dojo Foundation
	All Rights Reserved.

	Licensed under the Academic Free License version 2.1 or above OR the
	modified BSD license. For more information on Dojo licensing, see:

		http://dojotoolkit.org/community/licensing.shtml
*/



dojo.provide("dojo.validate.check");
dojo.require("dojo.validate.common");
dojo.require("dojo.lang.common");
dojo.validate.check = function (form, profile) {
	var missing = [];
	var invalid = [];
	var results = {isSuccessful:function () {
		return (!this.hasInvalid() && !this.hasMissing());
	}, hasMissing:function () {
		return (missing.length > 0);
	}, getMissing:function () {
		return missing;
	}, isMissing:function (elemname) {
		for (var i = 0; i < missing.length; i++) {
			if (elemname == missing[i]) {
				return true;
			}
		}
		return false;
	}, hasInvalid:function () {
		return (invalid.length > 0);
	}, getInvalid:function () {
		return invalid;
	}, isInvalid:function (elemname) {
		for (var i = 0; i < invalid.length; i++) {
			if (elemname == invalid[i]) {
				return true;
			}
		}
		return false;
	}};
	if (profile.trim instanceof Array) {
		for (var i = 0; i < profile.trim.length; i++) {
			var elem = form[profile.trim[i]];
			if (dj_undef("type", elem) || elem.type != "text" && elem.type != "textarea" && elem.type != "password") {
				continue;
			}
			elem.value = elem.value.replace(/(^\s*|\s*$)/g, "");
		}
	}
	if (profile.uppercase instanceof Array) {
		for (var i = 0; i < profile.uppercase.length; i++) {
			var elem = form[profile.uppercase[i]];
			if (dj_undef("type", elem) || elem.type != "text" && elem.type != "textarea" && elem.type != "password") {
				continue;
			}
			elem.value = elem.value.toUpperCase();
		}
	}
	if (profile.lowercase instanceof Array) {
		for (var i = 0; i < profile.lowercase.length; i++) {
			var elem = form[profile.lowercase[i]];
			if (dj_undef("type", elem) || elem.type != "text" && elem.type != "textarea" && elem.type != "password") {
				continue;
			}
			elem.value = elem.value.toLowerCase();
		}
	}
	if (profile.ucfirst instanceof Array) {
		for (var i = 0; i < profile.ucfirst.length; i++) {
			var elem = form[profile.ucfirst[i]];
			if (dj_undef("type", elem) || elem.type != "text" && elem.type != "textarea" && elem.type != "password") {
				continue;
			}
			elem.value = elem.value.replace(/\b\w+\b/g, function (word) {
				return word.substring(0, 1).toUpperCase() + word.substring(1).toLowerCase();
			});
		}
	}
	if (profile.digit instanceof Array) {
		for (var i = 0; i < profile.digit.length; i++) {
			var elem = form[profile.digit[i]];
			if (dj_undef("type", elem) || elem.type != "text" && elem.type != "textarea" && elem.type != "password") {
				continue;
			}
			elem.value = elem.value.replace(/\D/g, "");
		}
	}
	if (profile.required instanceof Array) {
		for (var i = 0; i < profile.required.length; i++) {
			if (!dojo.lang.isString(profile.required[i])) {
				continue;
			}
			var elem = form[profile.required[i]];
			if (!dj_undef("type", elem) && (elem.type == "text" || elem.type == "textarea" || elem.type == "password") && /^\s*$/.test(elem.value)) {
				missing[missing.length] = elem.name;
			} else {
				if (!dj_undef("type", elem) && (elem.type == "select-one" || elem.type == "select-multiple") && (elem.selectedIndex == -1 || /^\s*$/.test(elem.options[elem.selectedIndex].value))) {
					missing[missing.length] = elem.name;
				} else {
					if (elem instanceof Array) {
						var checked = false;
						for (var j = 0; j < elem.length; j++) {
							if (elem[j].checked) {
								checked = true;
							}
						}
						if (!checked) {
							missing[missing.length] = elem[0].name;
						}
					}
				}
			}
		}
	}
	if (profile.required instanceof Array) {
		for (var i = 0; i < profile.required.length; i++) {
			if (!dojo.lang.isObject(profile.required[i])) {
				continue;
			}
			var elem, numRequired;
			for (var name in profile.required[i]) {
				elem = form[name];
				numRequired = profile.required[i][name];
			}
			if (elem instanceof Array) {
				var checked = 0;
				for (var j = 0; j < elem.length; j++) {
					if (elem[j].checked) {
						checked++;
					}
				}
				if (checked < numRequired) {
					missing[missing.length] = elem[0].name;
				}
			} else {
				if (!dj_undef("type", elem) && elem.type == "select-multiple") {
					var selected = 0;
					for (var j = 0; j < elem.options.length; j++) {
						if (elem.options[j].selected && !/^\s*$/.test(elem.options[j].value)) {
							selected++;
						}
					}
					if (selected < numRequired) {
						missing[missing.length] = elem.name;
					}
				}
			}
		}
	}
	if (dojo.lang.isObject(profile.dependencies) || dojo.lang.isObject(profile.dependancies)) {
		if (profile["dependancies"]) {
			dojo.deprecated("dojo.validate.check", "profile 'dependancies' is deprecated, please use " + "'dependencies'", "0.5");
			profile.dependencies = profile.dependancies;
		}
		for (name in profile.dependencies) {
			var elem = form[name];
			if (dj_undef("type", elem)) {
				continue;
			}
			if (elem.type != "text" && elem.type != "textarea" && elem.type != "password") {
				continue;
			}
			if (/\S+/.test(elem.value)) {
				continue;
			}
			if (results.isMissing(elem.name)) {
				continue;
			}
			var target = form[profile.dependencies[name]];
			if (target.type != "text" && target.type != "textarea" && target.type != "password") {
				continue;
			}
			if (/^\s*$/.test(target.value)) {
				continue;
			}
			missing[missing.length] = elem.name;
		}
	}
	if (dojo.lang.isObject(profile.constraints)) {
		for (name in profile.constraints) {
			var elem = form[name];
			if (!elem) {
				continue;
			}
			if (!dj_undef("tagName", elem) && (elem.tagName.toLowerCase().indexOf("input") >= 0 || elem.tagName.toLowerCase().indexOf("textarea") >= 0) && /^\s*$/.test(elem.value)) {
				continue;
			}
			var isValid = true;
			if (dojo.lang.isFunction(profile.constraints[name])) {
				isValid = profile.constraints[name](elem.value);
			} else {
				if (dojo.lang.isArray(profile.constraints[name])) {
					if (dojo.lang.isArray(profile.constraints[name][0])) {
						for (var i = 0; i < profile.constraints[name].length; i++) {
							isValid = dojo.validate.evaluateConstraint(profile, profile.constraints[name][i], name, elem);
							if (!isValid) {
								break;
							}
						}
					} else {
						isValid = dojo.validate.evaluateConstraint(profile, profile.constraints[name], name, elem);
					}
				}
			}
			if (!isValid) {
				invalid[invalid.length] = elem.name;
			}
		}
	}
	if (dojo.lang.isObject(profile.confirm)) {
		for (name in profile.confirm) {
			var elem = form[name];
			var target = form[profile.confirm[name]];
			if (dj_undef("type", elem) || dj_undef("type", target) || (elem.type != "text" && elem.type != "textarea" && elem.type != "password") || (target.type != elem.type) || (target.value == elem.value) || (results.isInvalid(elem.name)) || (/^\s*$/.test(target.value))) {
				continue;
			}
			invalid[invalid.length] = elem.name;
		}
	}
	return results;
};
dojo.validate.evaluateConstraint = function (profile, constraint, fieldName, elem) {
	var isValidSomething = constraint[0];
	var params = constraint.slice(1);
	params.unshift(elem.value);
	if (typeof isValidSomething != "undefined") {
		return isValidSomething.apply(null, params);
	}
	return false;
};