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<?php
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright 2011 Oracle and/or its affiliates. All rights reserved.
*
* Oracle and Java are registered trademarks of Oracle and/or its affiliates.
* Other names may be trademarks of their respective owners.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common
* Development and Distribution License("CDDL") (collectively, the
* "License"). You may not use this file except in compliance with the
* License. You can obtain a copy of the License at
* http://www.netbeans.org/cddl-gplv2.html
* or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
* specific language governing permissions and limitations under the
* License. When distributing the software, include this License Header
* Notice in each file and include the License file at
* nbbuild/licenses/CDDL-GPL-2-CP. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the GPL Version 2 section of the License file that
* accompanied this code. If applicable, add the following below the
* License Header, with the fields enclosed by brackets [] replaced by
* your own identifying information:
* "Portions Copyrighted [year] [name of copyright owner]"
*
* If you wish your version of this file to be governed by only the CDDL
* or only the GPL Version 2, indicate your decision by adding
* "[Contributor] elects to include this software in this distribution
* under the [CDDL or GPL Version 2] license." If you do not indicate a
* single choice of license, a recipient has the option to distribute
* your version of this file under either the CDDL, the GPL Version 2 or
* to extend the choice of license to its licensees as provided above.
* However, if you add GPL Version 2 code and therefore, elected the GPL
* Version 2 license, then the option applies only if the new code is
* made subject to such option by the copyright holder.
*
* Contributor(s):
*
* Portions Copyrighted 2011 Sun Microsystems, Inc.
*/
/**
* Miscellaneous utility methods.
*/
final class Utils {
private function __construct() {
}
/**
* Generate link.
* @param string $page target page
* @param array $params page parameters
*/
public static function createLink($page, array $params = array()) {
$params = array_merge(array('page' => $page), $params);
// TODO add support for Apache's module rewrite
return 'index.php?' .http_build_query($params);
}
/**
* Format date.
* @param DateTime $date date to be formatted
* @return string formatted date
*/
public static function formatDate(DateTime $date = null) {
if ($date === null) {
return '';
}
return $date->format('m/d/Y');
}
/**
* Format date and time.
* @param DateTime $date date to be formatted
* @return string formatted date and time
*/
public static function formatDateTime(DateTime $date = null) {
if ($date === null) {
return '';
}
return $date->format('m/d/Y H:i');
}
/**
* Redirect to the given page.
* @param type $page target page
* @param array $params page parameters
*/
public static function redirect($page, array $params = array()) {
header('Location: ' . self::createLink($page, $params));
die();
}
/**
* Get value of the URL param.
* @return string parameter value
* @throws NotFoundException if the param is not found in the URL
*/
public static function getUrlParam($name) {
if (!array_key_exists($name, $_GET)) {
throw new NotFoundException('URL parameter "' . $name . '" not found.');
}
return $_GET[$name];
}
/**
* Get {@link Todo} by the identifier 'id' found in the URL.
* @return Todo {@link Todo} instance
* @throws NotFoundException if the param or {@link Todo} instance is not found
*/
public static function getTodoByGetId() {
$id = null;
try {
$id = self::getUrlParam('id');
} catch (Exception $ex) {
throw new NotFoundException('No TODO identifier provided.');
}
if (!is_numeric($id)) {
throw new NotFoundException('Invalid TODO identifier provided.');
}
$dao = new TodoDao();
$todo = $dao->findById($id);
if ($todo === null) {
throw new NotFoundException('Unknown TODO identifier provided.');
}
return $todo;
}
/**
* Capitalize the first letter of the given string
* @param string $string string to be capitalized
* @return string capitalized string
*/
public static function capitalize($string) {
return ucfirst(mb_strtolower($string));
}
/**
* Escape the given string
* @param string $string string to be escaped
* @return string escaped string
*/
public static function escape($string) {
return htmlspecialchars($string, ENT_QUOTES);
}
}
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