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authorJose Antonio Marquez2012-01-27 12:05:17 -0800
committerJose Antonio Marquez2012-01-27 12:05:17 -0800
commit3a754133dbc138390503341fd2e9beba3e43aa4b (patch)
treecdeae7d7dd9a30d7b4fab5afb7efad68d4ec7508 /js/io/system/coreioapi.js
parentb89a7ee8b956c96a1dcee995ea840feddc5d4b27 (diff)
downloadninja-3a754133dbc138390503341fd2e9beba3e43aa4b.tar.gz
Merged old FileIO
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1/* <copyright>
2This file contains proprietary software owned by Motorola Mobility, Inc.<br/>
3No rights, expressed or implied, whatsoever to this software are provided by Motorola Mobility, Inc. hereunder.<br/>
4(c) Copyright 2011 Motorola Mobility, Inc. All Rights Reserved.
5</copyright> */
6
7/* /////////////////////////////////////////////////////////////////////
8////////////////////////////////////////////////////////////////////////
9NOTES:
10These methods should only be access through the file and project IO classes.
11////////////////////////////////////////////////////////////////////////
12///////////////////////////////////////////////////////////////////// */
13var Montage = require("montage/core/core").Montage,
14 Component = require("montage/ui/component").Component;
15////////////////////////////////////////////////////////////////////////
16//Exporting as Project I/O
17exports.CoreIoApi = Montage.create(Component, {
18 ////////////////////////////////////////////////////////////////////
19 // private property containing the file service URL to use for all file IO calls
20 _fileServiceURL: {
21 enumerable: false,
22 value: "http://localhost:16380/file"
23 },
24 ////////////////////////////////////////////////////////////////////
25 // private property containing the directory service URL to use for all file IO calls
26 _directoryServiceURL: {
27 enumerable: false,
28 value: "http://localhost:16380/directory"
29 },
30 ////////////////////////////////////////////////////////////////////
31 // private helper to parse URIs and append them to the service URL
32 _prepareServiceURL: {
33 enumerable: false,
34 value: function(serviceURL, path) {
35 var urlOut = path.replace(/\\/g,"/");
36 urlOut = urlOut.replace(/:/g,"");
37 urlOut = encodeURI(urlOut);
38 //add leading / if not already there
39 if((urlOut.length > 0) && (urlOut.charAt(0) !== "/")){
40 urlOut = "/" + urlOut;
41 }
42 //remove extra / at the end
43 if((urlOut.length > 1) && (urlOut.charAt(urlOut.length - 1) === "/")){
44 urlOut = urlOut.substring(0, (urlOut.length - 1));
45 }
46
47 return serviceURL + urlOut;
48 }
49 },
50 ////////////////////////////////////////////////////////////////////
51 // Checks for the existence of a file
52 // Parameters:
53 // the file parameter must contain the following properties
54 // uri: string value containing the full file path/URI i.e. "c:/foo/bar.html"
55 //
56 // Return values:
57 // returns an object with two properties
58 // success: boolean indicating if the call succeeded or failed
59 // status: int indicating the request HTTP status code
60 // 204 - the file exists
61 // 404 - the file does not exist
62 // 500 - unknown server error occurred
63 fileExists: {
64 enumerable: false,
65 value: function(file) {
66 //
67 var retValue = { success:null, status:null };
68 //
69 if(file && file.uri && file.uri.length) {
70 try {
71 var serviceURL = this._prepareServiceURL(this._fileServiceURL, file.uri),
72 xhr = new XMLHttpRequest();
73 //
74 xhr.open("GET", serviceURL, false);
75 xhr.setRequestHeader("check-existence-only", "true");
76 xhr.send();
77 //
78 if (xhr.readyState === 4) {
79 retValue.status = xhr.status;
80 retValue.success = true;
81 }
82 }
83 catch(error) {
84 xhr = null;
85 retValue.success = false;
86 }
87 }
88 //
89 return retValue;
90 }
91 },
92 ////////////////////////////////////////////////////////////////////
93 // Creates a new file at the specified path
94 // Parameters:
95 // the file parameter must contain the following properties
96 // uri: string value containing the full file path/URI i.e. "c:/foo/bar.html"
97 // it can optionally contain the following properties
98 // contentType: string with the content type i.e. "text/plain". "text/plain" is assumed if this property is not specified
99 // contents: string containing the file contents. These contents will be saved to the new file.
100 //
101 // Return values:
102 // returns an object with two properties
103 // success: boolean indicating if the call succeeded or failed
104 // status: int indicating the request HTTP status code
105 // 201 - the file was created and contents were saved if they were passed
106 // 400 - the file already exists and could not be created
107 // 500 - unknown server error occurred
108 createFile: {
109 enumerable: false,
110 value: function(file) {
111 var retValue = { success:null, status:null };
112 if(file && file.uri && file.uri.length) {
113 try {
114 var serviceURL = this._prepareServiceURL(this._fileServiceURL, file.uri),
115 xhr = new XMLHttpRequest();
116 //
117 xhr.open("POST", serviceURL, false);
118 if(file.contentType && file.contentType.length)
119 xhr.setRequestHeader("Content-Type", file.contentType);
120 else
121 xhr.setRequestHeader("Content-Type", "text/plain");
122
123 if(file.contents && file.contents.length)
124 xhr.send(file.contents);
125 else
126 xhr.send();
127
128 if (xhr.readyState === 4) {
129 retValue.status = xhr.status;
130 retValue.success = true;
131 }
132 }
133 catch(error) {
134 xhr = null;
135 retValue.success = false;
136 }
137 }
138
139 return retValue;
140 }
141 },
142 ////////////////////////////////////////////////////////////////////
143 // Save contents into an existing file at the specified path
144 // Parameters:
145 // the file parameter must contain the following properties
146 // uri: string value containing the full file path/URI i.e. "c:/foo/bar.html"
147 // it can optionally contain the following properties
148 // contentType: string with the content type i.e. "text/plain". "text/plain" is assumed if this property is not specified
149 // contents: string containing the file contents. These contents will be saved to the new file.
150 //
151 // Return values:
152 // returns an object with two properties
153 // success: boolean indicating if the call succeeded or failed
154 // status: int indicating the request HTTP status code
155 // 204 - the file was saved
156 // 404 - the file specified does not exist
157 // 500 - unknown server error occurred
158 updateFile: {
159 enumerable: false,
160 value: function(file) {
161 var retValue = { success:null, status:null };
162 if(file && file.uri && file.uri.length && file.contents && file.contents.length) {
163 try {
164 var serviceURL = this._prepareServiceURL(this._fileServiceURL, file.uri),
165 xhr = new XMLHttpRequest();
166 //
167 xhr.open("PUT", serviceURL, false);
168 if(file.contentType && file.contentType.length)
169 xhr.setRequestHeader("Content-Type", file.contentType);
170 else
171 xhr.setRequestHeader("Content-Type", "text/plain");
172
173 xhr.send(file.contents);
174
175 if (xhr.readyState === 4) {
176 retValue.status = xhr.status;
177 retValue.success = true;
178 }
179 }
180 catch(error) {
181 xhr = null;
182 retValue.success = false;
183 }
184 }
185
186 return retValue;
187 }
188 },
189 ////////////////////////////////////////////////////////////////////
190 // Copies a file from one location to another
191 // Parameters:
192 // the file parameter must contain the following properties
193 // sourceUri: string value containing the full file path/URI to copy from i.e. "c:/foo/bar.html"
194 // destUri: string containing the full path/URI to copy to
195 // it can optionally contain the following properties
196 // overwriteDestination: bool indicating whether it is okay to overwrite the file specified at destUri if it already exists
197 //
198 // Return values:
199 // returns an object with two properties
200 // success: boolean indicating if the call succeeded or failed
201 // status: int indicating the request HTTP status code
202 // 204 - the file was copied
203 // 404 - the file specified in sourceUri does not exist
204 // 500 - unknown server error occurred
205 copyFile: {
206 enumerable: false,
207 value: function(file) {
208 var retValue = { success:null, status:null };
209 if(file && file.sourceUri && file.sourceUri.length && file.destUri && file.destUri.length) {
210 try {
211 var serviceURL = this._prepareServiceURL(this._fileServiceURL, file.destUri),
212 xhr = new XMLHttpRequest();
213 //
214 xhr.open("PUT", serviceURL, false);
215 xhr.setRequestHeader("sourceURI", file.sourceUri);
216 //
217 if(file.overwriteDestination && file.overwriteDestination === true) {
218 xhr.setRequestHeader("overwrite-destination", "true");
219 }
220 //
221 xhr.send();
222 //
223 if (xhr.readyState === 4) {
224 retValue.status = xhr.status;
225 retValue.success = true;
226 }
227 }
228 catch(error) {
</