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115 lines
3.5 KiB
PHP
115 lines
3.5 KiB
PHP
<?php
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/*
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* Copyright 2011 Google Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* This class defines attributes, valid values, and usage which is generated from
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* a given json schema. http://tools.ietf.org/html/draft-zyp-json-schema-03#section-5
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*
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* @author Chirag Shah <chirags@google.com>
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*
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*/
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class apiModel {
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public function __construct( /* polymorphic */ ) {
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if (func_num_args() == 1 && is_array(func_get_arg(0))) {
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// Initialize the model with the array's contents.
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$array = func_get_arg(0);
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$this->mapTypes($array);
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}
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}
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/**
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* Initialize this object's properties from an array.
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*
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* @param array Used to seed this object's properties.
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* @return void
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*/
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private function mapTypes($array) {
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foreach ($array as $key => $val) {
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$this->$key = $val;
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$keyTypeName = "__$key" . 'Type';
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$keyDataType = "__$key" . 'DataType';
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if ($this->useObjects() && property_exists($this, $keyTypeName)) {
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if ($this->isAssociativeArray($val)) {
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if (isset($this->$keyDataType) && 'map' == $this->$keyDataType) {
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foreach($val as $arrayKey => $arrayItem) {
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$val[$arrayKey] = $this->createObjectFromName($keyTypeName, $arrayItem);
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}
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$this->$key = $val;
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} else {
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$this->$key = $this->createObjectFromName($keyTypeName, $val);
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}
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} else if (is_array($val)) {
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$arrayObject = array();
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foreach ($val as $arrayIndex => $arrayItem) {
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$arrayObject[$arrayIndex] = $this->createObjectFromName($keyTypeName, $arrayItem);
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}
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$this->$key = $arrayObject;
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}
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}
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}
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}
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/**
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* Returns true only if the array is associative.
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* @param array $array
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* @return bool True if the array is associative.
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*/
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private function isAssociativeArray($array) {
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if (!is_array($array)) {
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return false;
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}
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$keys = array_keys($array);
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foreach($keys as $key) {
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if (is_string($key)) {
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return true;
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}
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}
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return false;
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}
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/**
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* Given a variable name, discover its type.
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*
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* @param $name
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* @param $item
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* @return object The object from the item.
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*/
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private function createObjectFromName($name, $item) {
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$type = $this->$name;
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return new $type($item);
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}
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protected function useObjects() {
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global $apiConfig;
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return (isset($apiConfig['use_objects']) && $apiConfig['use_objects']);
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}
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/**
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* Verify if $obj is an array.
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* @throws apiException Thrown if $obj isn't an array.
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* @param array $obj Items that should be validated.
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* @param string $type Array items should be of this type.
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* @param string $method Method expecting an array as an argument.
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*/
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protected function assertIsArray($obj, $type, $method) {
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if ($obj && !is_array($obj)) {
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throw new apiException("Incorrect parameter type passed to $method(), expected an"
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. " array containing items of type $type.");
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}
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}
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} |