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77 lines
2.0 KiB
JavaScript
77 lines
2.0 KiB
JavaScript
var AWS = require('../core');
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var inherit = AWS.util.inherit;
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/**
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* @api private
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*/
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AWS.JSON = {};
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/**
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* @api private
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*/
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AWS.JSON.Builder = inherit({
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constructor: function JSONBuilder(rules, options) {
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this.rules = rules;
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this.timestampFormat = options.timestampFormat;
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},
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build: function build(params) {
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return JSON.stringify(this.translate(this.rules, params));
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},
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translate: function translate(rules, value) {
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if (value === null || value === undefined) return undefined;
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if (rules.type === 'structure') {
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// translate structures (hashes with pre-defined keys)
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var struct = {};
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AWS.util.each.call(this, value, function (memberName, memberValue) {
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var memberRules = rules.members[memberName] || {};
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var result = this.translate(memberRules, memberValue);
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if (result !== undefined) struct[memberName] = result;
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});
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return struct;
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} else if (rules.type === 'list') {
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// translate each member of the list
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var list = [];
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AWS.util.arrayEach.call(this, value, function (memberValue) {
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var memberRules = rules.members || {};
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var result = this.translate(memberRules, memberValue);
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if (result !== undefined) list.push(result);
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});
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return list;
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} else if (rules.type === 'map') {
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// translate maps (hashes with user supplied keys)
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var map = {};
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AWS.util.each.call(this, value, function (memberName, memberValue) {
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var memberRules = rules.members || {};
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var result = this.translate(memberRules, memberValue);
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if (result !== undefined) map[memberName] = result;
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});
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return map;
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} else if (rules.type === 'timestamp') {
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var timestampFormat = rules.format || this.timestampFormat;
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return AWS.util.date.format(value, timestampFormat);
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} else if (rules.type === 'integer') {
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return parseInt(value, 10);
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} else if (rules.type === 'float') {
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return parseFloat(value);
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} else {
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// all other shapes
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return value;
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}
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}
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});
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