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Diffstat (limited to 'extlib/libomb/notice.php')
| -rwxr-xr-x | extlib/libomb/notice.php | 272 |
1 files changed, 272 insertions, 0 deletions
diff --git a/extlib/libomb/notice.php b/extlib/libomb/notice.php new file mode 100755 index 000000000..9ac36640a --- /dev/null +++ b/extlib/libomb/notice.php @@ -0,0 +1,272 @@ +<?php +require_once 'invalidparameterexception.php'; +require_once 'Validate.php'; +require_once 'helper.php'; + +/** + * OMB Notice representation + * + * This class represents an OMB notice. + * + * Do not call the setters with null values. Instead, if you want to delete a + * field, pass an empty string. The getters will return null for empty fields. + * + * PHP version 5 + * + * LICENSE: This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + * + * @package OMB + * @author Adrian Lang <mail@adrianlang.de> + * @copyright 2009 Adrian Lang + * @license http://www.gnu.org/licenses/agpl.html GNU AGPL 3.0 + **/ + +class OMB_Notice { + protected $author; + protected $uri; + protected $content; + protected $url; + protected $license_url; /* url is an own addition for clarification. */ + protected $seealso_url; /* url is an own addition for clarification. */ + protected $seealso_disposition; + protected $seealso_mediatype; + protected $seealso_license_url; /* url is an addition for clarification. */ + + /* The notice as OMB param array. Cached and rebuild on usage. + false while outdated. */ + protected $param_array; + + /** + * Constructor for OMB_Notice + * + * Initializes the OMB_Notice object with author, uri and content. + * These parameters are mandatory for postNotice. + * + * @param object $author An OMB_Profile object representing the author of the + * notice. + * @param string $uri The notice URI as defined by the OMB. A unique and + * unchanging identifier for a notice. + * @param string $content The content of the notice. 140 chars recommended, + * but there is no limit. + * + * @access public + */ + public function __construct($author, $uri, $content) { + $this->content = $content; + if (is_null($author)) { + throw new OMB_InvalidParameterException('', 'notice', 'omb_listenee'); + } + $this->author = $author; + + if (!Validate::uri($uri)) { + throw new OMB_InvalidParameterException($uri, 'notice', 'omb_notice'); + } + $this->uri = $uri; + + $this->param_array = false; + } + + /** + * Returns the notice as array + * + * The method returns an array which contains the whole notice as array. The + * array is cached and only rebuilt on changes of the notice. + * Empty optional values are not passed. + * + * @access public + * @returns array The notice as parameter array + */ + public function asParameters() { + if ($this->param_array !== false) { + return $this->param_array; + } + + $this->param_array = array( + 'omb_notice' => $this->uri, + 'omb_notice_content' => $this->content); + + if (!is_null($this->url)) + $this->param_array['omb_notice_url'] = $this->url; + + if (!is_null($this->license_url)) + $this->param_array['omb_notice_license'] = $this->license_url; + + if (!is_null($this->seealso_url)) { + $this->param_array['omb_seealso'] = $this->seealso_url; + + /* This is actually a free interpretation of the OMB standard. We assume + that additional seealso parameters are not of any use if seealso itself + is not set. */ + if (!is_null($this->seealso_disposition)) + $this->param_array['omb_seealso_disposition'] = + $this->seealso_disposition; + + if (!is_null($this->seealso_mediatype)) + $this->param_array['omb_seealso_mediatype'] = $this->seealso_mediatype; + + if (!is_null($this->seealso_license_url)) + $this->param_array['omb_seealso_license'] = $this->seealso_license_url; + } + return $this->param_array; + } + + /** + * Builds an OMB_Notice object from array + * + * The method builds an OMB_Notice object from the passed parameters array. + * The array MUST provide a notice URI and content. The array fields HAVE TO + * be named according to the OMB standard, i. e. omb_notice_* and + * omb_seealso_*. Values are handled as not passed if the corresponding array + * fields are not set or the empty string. + * + * @param object $author An OMB_Profile object representing the author of + * the notice. + * @param string $parameters An array containing the notice parameters. + * + * @access public + * + * @returns OMB_Notice The built OMB_Notice. + */ + public static function fromParameters($author, $parameters) { + $notice = new OMB_Notice($author, $parameters['omb_notice'], + $parameters['omb_notice_content']); + + if (isset($parameters['omb_notice_url'])) { + $notice->setURL($parameters['omb_notice_url']); + } + + if (isset($parameters['omb_notice_license'])) { + $notice->setLicenseURL($parameters['omb_notice_license']); + } + + if (isset($parameters['omb_seealso'])) { + $notice->setSeealsoURL($parameters['omb_seealso']); + } + + if (isset($parameters['omb_seealso_disposition'])) { + $notice->setSeealsoDisposition($parameters['omb_seealso_disposition']); + } + + if (isset($parameters['omb_seealso_mediatype'])) { + $notice->setSeealsoMediatype($parameters['omb_seealso_mediatype']); + } + + if (isset($parameters['omb_seealso_license'])) { + $notice->setSeealsoLicenseURL($parameters['omb_seealso_license']); + } + return $notice; + } + + public function getAuthor() { + return $this->author; + } + + public function getIdentifierURI() { + return $this->uri; + } + + public function getContent() { + return $this->content; + } + + public function getURL() { + return $this->url; + } + + public function getLicenseURL() { + return $this->license_url; + } + + public function getSeealsoURL() { + return $this->seealso_url; + } + + public function getSeealsoDisposition() { + return $this->seealso_disposition; + } + + public function getSeealsoMediatype() { + return $this->seealso_mediatype; + } + + public function getSeealsoLicenseURL() { + return $this->seealso_license_url; + } + + public function setURL($url) { + if ($url === '') { + $url = null; + } elseif (!OMB_Helper::validateURL($url)) { + throw new OMB_InvalidParameterException($url, 'notice', 'omb_notice_url'); + } + $this->url = $url; + $this->param_array = false; + } + + public function setLicenseURL($license_url) { + if ($license_url === '') { + $license_url = null; + } elseif (!OMB_Helper::validateURL($license_url)) { + throw new OMB_InvalidParameterException($license_url, 'notice', + 'omb_notice_license'); + } + $this->license_url = $license_url; + $this->param_array = false; + } + + public function setSeealsoURL($seealso_url) { + if ($seealso_url === '') { + $seealso_url = null; + } elseif (!OMB_Helper::validateURL($seealso_url)) { + throw new OMB_InvalidParameterException($seealso_url, 'notice', + 'omb_seealso'); + } + $this->seealso_url = $seealso_url; + $this->param_array = false; + } + + public function setSeealsoDisposition($seealso_disposition) { + if ($seealso_disposition === '') { + $seealso_disposition = null; + } elseif ($seealso_disposition !== 'link' && $seealso_disposition !== 'inline') { + throw new OMB_InvalidParameterException($seealso_disposition, 'notice', + 'omb_seealso_disposition'); + } + $this->seealso_disposition = $seealso_disposition; + $this->param_array = false; + } + + public function setSeealsoMediatype($seealso_mediatype) { + if ($seealso_mediatype === '') { + $seealso_mediatype = null; + } elseif (!OMB_Helper::validateMediaType($seealso_mediatype)) { + throw new OMB_InvalidParameterException($seealso_mediatype, 'notice', + 'omb_seealso_mediatype'); + } + $this->seealso_mediatype = $seealso_mediatype; + $this->param_array = false; + } + + public function setSeealsoLicenseURL($seealso_license_url) { + if ($seealso_license_url === '') { + $seealso_license_url = null; + } elseif (!OMB_Helper::validateURL($seealso_license_url)) { + throw new OMB_InvalidParameterException($seealso_license_url, 'notice', + 'omb_seealso_license'); + } + $this->seealso_license_url = $seealso_license_url; + $this->param_array = false; + } +} +?> |