94 lines
3.3 KiB
JavaScript
94 lines
3.3 KiB
JavaScript
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/*
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*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. 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,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*
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*/
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var utils = require('cordova/utils'),
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exec = require('cordova/exec'),
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Entry = require('./Entry'),
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FileWriter = require('./FileWriter'),
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File = require('./File'),
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FileError = require('./FileError');
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/**
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* An interface representing a file on the file system.
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*
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* {boolean} isFile always true (readonly)
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* {boolean} isDirectory always false (readonly)
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* {DOMString} name of the file, excluding the path leading to it (readonly)
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* {DOMString} fullPath the absolute full path to the file (readonly)
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* {FileSystem} filesystem on which the file resides (readonly)
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*/
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var FileEntry = function(name, fullPath, fileSystem, nativeURL) {
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// remove trailing slash if it is present
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if (fullPath && /\/$/.test(fullPath)) {
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fullPath = fullPath.substring(0, fullPath.length - 1);
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}
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if (nativeURL && /\/$/.test(nativeURL)) {
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nativeURL = nativeURL.substring(0, nativeURL.length - 1);
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}
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FileEntry.__super__.constructor.apply(this, [true, false, name, fullPath, fileSystem, nativeURL]);
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};
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utils.extend(FileEntry, Entry);
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/**
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* Creates a new FileWriter associated with the file that this FileEntry represents.
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*
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* @param {Function} successCallback is called with the new FileWriter
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* @param {Function} errorCallback is called with a FileError
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*/
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FileEntry.prototype.createWriter = function(successCallback, errorCallback) {
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this.file(function(filePointer) {
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var writer = new FileWriter(filePointer);
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if (writer.localURL === null || writer.localURL === "") {
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if (errorCallback) {
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errorCallback(new FileError(FileError.INVALID_STATE_ERR));
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}
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} else {
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if (successCallback) {
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successCallback(writer);
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}
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}
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}, errorCallback);
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};
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/**
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* Returns a File that represents the current state of the file that this FileEntry represents.
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*
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* @param {Function} successCallback is called with the new File object
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* @param {Function} errorCallback is called with a FileError
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*/
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FileEntry.prototype.file = function(successCallback, errorCallback) {
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var localURL = this.toInternalURL();
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var win = successCallback && function(f) {
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var file = new File(f.name, localURL, f.type, f.lastModifiedDate, f.size);
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successCallback(file);
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};
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var fail = errorCallback && function(code) {
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errorCallback(new FileError(code));
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};
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exec(win, fail, "File", "getFileMetadata", [localURL]);
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};
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module.exports = FileEntry;
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