CN1592298A - Wireless unloading method of non-JAVA content - Google Patents
Wireless unloading method of non-JAVA content Download PDFInfo
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- CN1592298A CN1592298A CN 03153846 CN03153846A CN1592298A CN 1592298 A CN1592298 A CN 1592298A CN 03153846 CN03153846 CN 03153846 CN 03153846 A CN03153846 A CN 03153846A CN 1592298 A CN1592298 A CN 1592298A
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Abstract
A wireless download method of non-JAVA content includes the following steps: (1)A mobile terminal downloads a MFD from OTA server. (2) The said mobile and judges the MFD according to its MIME type and dissociates the MFD for downloading the content and reports to URL. (3) The said mobile terminal asks for content download to the server and downloads the content onto the said mobile end to be stored. (4) The mobile end reports the download state to the server which responds it (5) The mobile end displays the success to the user.
Description
Technical field
The present invention relates to a kind of wireless downloading method, more specifically, relate to a kind of method of utilizing mobile phone non-JAVA content to be carried out wireless downloading.
Background technology
Traditional non-JAVA content downloading mode is by individual PC at present, will need downloaded contents to download on the PC and browse.But along with the development of wireless communication technique, non-JAVA content being downloaded on mobile phone or the similar radio mobile communication terminal, is not only a kind of fashion, adapts to the needs of modern society's fast development especially.But still there is not a kind of good technology can satisfy the demand simultaneously at present.
Summary of the invention
Therefore, the objective of the invention is to, the non-JAVA content of needs is downloaded wirelessly on the terminal by a kind of wireless downloading method.
For this reason, the invention provides a kind of wireless downloading method of non-JAVA content, may further comprise the steps:
(1) downloads MFD by a portable terminal from the OTA server;
(2) portable terminal is judged MFD according to its mime type, and decomposes MFD and be used for content and download and report to URL;
(3) portable terminal is downloaded to the server requests content, and downloaded contents is downloaded on the portable terminal, and is stored;
(4) portable terminal is to server report content download state, and server responds this;
(5) portable terminal is downloaded successfully to user's displaying contents.
Description of drawings
Below in conjunction with accompanying drawing, describe the present invention in detail.Wherein:
Fig. 1 is a flow chart, and the detailed process of method for down loading of the present invention is shown;
Fig. 2 is the subsequent figure of Fig. 1, and the process when error message occurring is shown.
Embodiment
Realize purpose of the present invention, at first need a specific terminal.In the present invention, this specific terminal is a mobile phone (mobile phone).About the details of this mobile phone, with the separate case application.
At first, mobile phone MPG of the present invention browses a wireless downloading server by HTML or WML, seeks relevant content.These means are conventional browser functions, there is no special feature.
Then, (Over the Air: wireless downloading) server is downloaded MFD (MediaFile Descriptor: the media file descriptor) to mobile phone to mobile phone from OTA.Then, (Multipurpose Internet Mail Extentions: multipurpose network mail extension protocol) type is discerned MFD to mobile phone by its MIME.In the present invention, its mime type is: text/vnd.e28.ota.media-descriptor. is after finishing the MFD download, and MPG mobile phone then of the present invention decomposes MFD, extracts following information:
Zero content URL
Zero content report URL downloads for use in content, and to URL (Uniform Resourse Display: report uniform resource locator).
Must be noted that the OTA of focusing on download protocol of the present invention, so other parameters among the MFD are discussed no longer at this point.But this does not also mean that the parameter of not using other.
After content URL was extracted, the MPG mobile phone should be proceeded content and download.In downloading process, the user can take off at any time to be carried.
Next, MPG downloads to wireless downloading server requests content, and server sends to downloaded contents on the MPG mobile phone.When content was downloaded, the MPG mobile phone was preserved downloaded contents.
Then, the MPG mobile phone is about to download/installment state and returns to URL to server report file download state.Server is responded this.Mobile phone shows " content is downloaded successfully " to the user then.Whole process finishes.
In addition, according to the present invention, any sms-cookies (Short Message Service temporary file) of this server that is applicable to can be sent out.
In the present invention, instruction POST represents a kind of HTTP request of not using URL, can carry mass data, can be used to server passback report condition.The user should look for URL according to JDA file (use in conjunction programming file) or MDF file.When not having defined file or do not have URL to carry out the result when reporting, this part work can be skipped over.
Be some conditional codes below with and meaning:
900: success
901: low memory
902: user's cancellation
903: the service forfeiture
The 904:JAR size does not match
905: attribute does not match
906: invalid descriptor
Since the requirement of CMCC (China Mobile's wlan network), the POST of two steps of server requirement.The user should make great efforts to server report download/installment state, if can not obtain POST result, the user should wait for for 5 seconds, carries out the POST operation then again.If in this failure, then can warn the user, withdraw from then and do not erase the application/medium of download.Failure means that the user can not receive any response from server, perhaps can not send the POST request.If the user can receive response, the MPG mobile phone can think server received the response and need not try again.
Feature in the OTA download protocol is described below.
The first, HTTP/1.1 will be used as the basis that OTA downloads.
The second, the HTTP time out must be set to 15 seconds.
The 3rd, content-encrypt.At first, DES (Data Encryption Standard: data encryption standard) should be used to content protecting; Secondly, the user knows whether that the content that is downloaded encrypts from MFD; Once more, the user should regain content key from following program: (1) carries out MD5 calculating at the row " server key " that are stored on the respective server; (2) from MD5 result of calculation, take out even number, note in the DES deciphering, having only back 7 bits of each byte to be only effectively;
The 4th, the MPG mobile phone uses the key that obtains that downloaded contents is decrypted.
Below in conjunction with accompanying drawing, describe a preferred embodiment of the present invention in detail.
According to the present invention, at first, the user clicks and is connected on the MFD (media file description).Like this, the mobile phone MPG of the present invention's employing downloads MFD from server.According to the present invention, whether what the MPG mobile phone can be downloaded according to file type identification is a MFD.Then, mobile phone of the present invention is checked the attribute of file.
Then, the program in the mobile phone judges whether to satisfy the download standard, and promptly whether the capacity of medium and type meet the demands.If do not meet the demands, then to server reporting errors information.If meet the demands, MPG is login " medium URL (uniform resource locator) " again then, and begins to download.
If download mistake appears, then to server reporting errors information.If download normally, mobile phone is then to contents decryption, and it is passed to the media preview device.The content pre-viewing device is activated the display/play content then.The user should be able to select or preserve content or abandon content.
If select to abandon file content, then to server reporting errors information.Preserve if select, (mobile phone should be to the URL of its report download/installment state then to judge whether to have the medium Notification URL, if this zone lacks or be zero, then the user can think that server does not need download/installation notice), if have, then transmit an instruction POST900 (expression is finished) to server; If no, then preserve file content, and show success to the user.Then whole downloading process finishes.
When transmitting an instruction POST900 to server, whether mobile phone can check server to respond.If no, then try again; If respond, then judge whether to be " result 200 ".If then preserve file content, and show success to the user.Then whole downloading process finishes.If not, then expression failure does not for the second time then just have more POST.Like this, will get back to the step that transmits an instruction POST900 to server.
If judge it is not " result 200 ", then continue to judge whether to be " Media-Keep=1 ".After wherein Media-Keep=0 was illustrated in the content download, mobile phone can be to downloading server requests download/installment state.If mobile phone can not carry out the POST operation or can not obtain the result of " 200 " from the POST operation, then mobile phone just can not be saved in content on the flash disk from memory, and can not tell the information that the user fails.And no matter no matter Media-Keep=1 represents whether can carry out POST or obtain which kind of result from POST operation, mobile phone can be saved in content on the flash disk.
If judge Media-Keep=1, then preserve file content, and show success to the user.Then whole downloading process finishes.If not, then erase content, and can not visit to user's display server.Same whole downloading process finishes.
If during when download appearance mistake, to server reporting errors information, then judge whether to have the medium Notification URL.If the result is a "No", then downloads and finish.If conclusion is a "Yes", then send error message 902 to server, be used for user's refusal.If server responds, then download and finish; If reaction is not then tried again; If still not reaction does not for the second time then just have POST again, finish thereby download.
Claims (7)
1. the wireless downloading method of a non-JAVA content may further comprise the steps:
(1) downloads MFD by a portable terminal from the OTA server;
(2) described portable terminal is judged MFD according to its mime type, and decomposes MFD and be used for content and download and report to URL;
(3) described portable terminal is downloaded to described server requests content, and downloaded contents is downloaded on the described portable terminal, and is stored;
(4) described portable terminal is to described server report content download state, and described server responds this;
(5) described portable terminal is downloaded successfully to user's displaying contents.
2. method according to claim 1 is characterized in that, in step (1) afterwards, whether what also have one identification is downloaded according to file type is the step of a MFD.
3. method according to claim 1 is characterized in that, in step (2) afterwards, also has one to pass to the step of media preview device to contents decryption and with it.
4. method according to claim 3 is characterized in that, after comprise the step that starts previewer display/play content after.
5. method according to claim 1 is characterized in that, in step (3) afterwards, comprises that also a user can select to preserve or abandon the step of content.
6. method according to claim 1 is characterized in that, in step (4) afterwards, also comprises the step of the request response of one two step.
7. method according to claim 1 is characterized in that, in step (5) before, also has a step of preserving content.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03153846 CN1592298A (en) | 2003-08-25 | 2003-08-25 | Wireless unloading method of non-JAVA content |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03153846 CN1592298A (en) | 2003-08-25 | 2003-08-25 | Wireless unloading method of non-JAVA content |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1592298A true CN1592298A (en) | 2005-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03153846 Pending CN1592298A (en) | 2003-08-25 | 2003-08-25 | Wireless unloading method of non-JAVA content |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014015563A1 (en) * | 2012-07-23 | 2014-01-30 | Liu Liang | System and method for information exchange |
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2003
- 2003-08-25 CN CN 03153846 patent/CN1592298A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014015563A1 (en) * | 2012-07-23 | 2014-01-30 | Liu Liang | System and method for information exchange |
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