CN106990955A - A kind of method and system got ready application program - Google Patents
A kind of method and system got ready application program Download PDFInfo
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- CN106990955A CN106990955A CN201710138953.8A CN201710138953A CN106990955A CN 106990955 A CN106990955 A CN 106990955A CN 201710138953 A CN201710138953 A CN 201710138953A CN 106990955 A CN106990955 A CN 106990955A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/40—Transformation of program code
- G06F8/41—Compilation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/30—Creation or generation of source code
- G06F8/31—Programming languages or programming paradigms
- G06F8/315—Object-oriented languages
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/70—Software maintenance or management
- G06F8/73—Program documentation
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Abstract
The present invention provides a kind of method and system got ready application program, and this method includes：In the compiling of application phase, all byte code files are traveled through, the information for the function that byte code files are got ready with the information and needs of getting class ready got ready in file successively is matched；And to the function in the byte code files that the match is successful, call corresponding function of getting ready to be got ready.The present invention can dynamic batch addition get function ready, it is not necessary to added manually for often locating code, reduce the workload of developer and the bug rates of program.
Description
Technical field
The present invention relates to computer applied algorithm maintenance technology, more particularly, to the side got ready application program
Method and system.
Background technology
In android development processes, application program is in order to position the service condition of each function point and to user's
Usage behavior is analyzed, and is generally required the addition among application program and is got event ready, such as user clicks some button
Frequency etc..
But as the renewal iteration of product is, it is necessary to which addition gets that position is more and more ready, while the code got ready is also got over
Come more, if also according to conventional thought, code can be more and more difficult in maintenance and modification, not only increases exploit person
The workload of member, the also robustness to code adds hidden danger.Therefore, how this problem is effectively solved, just into compeling
The thing of the eyebrows and eyelashes.
The content of the invention
The present invention provide it is a kind of overcome above mentioned problem or solve the above problems at least in part to application program carry out
The method and system got ready.
According to an aspect of the present invention there is provided a kind of method got ready application program, including：
S1, in the compiling of application phase, all byte code files are traveled through, by byte code files successively with getting ready in file
The information for getting the function that the information and needs of class are got ready ready is matched；And
S2, to the function in the byte code files that the match is successful, call corresponding function of getting ready to be got ready.
According to another aspect of the present invention there is provided a kind of system got ready application program, including：
Matching module, in the compiling of application phase, all byte code files being traveled through, by byte code files successively with beating
The information for the function that the information and needs of getting class ready in dot file are got ready is matched；And
Module is got ready, for the function in the byte code files that the match is successful, calling corresponding function of getting ready to be beaten
Point.
The application proposes a kind of method and system got ready application program, by precompilation techniques, is applying journey
Change byte code files during the compiling of sequence, can dynamic batch addition get function ready, so as to ensure the exploit person of service logic
Member gets file ready without function is got in addition ready manually in code, and by creating comprising get relevant information ready so that open
Hair personnel only need to maintenance one and get file ready, the workload of developer and the bug rates of program are reduced, while also reducing
The risk for safeguarding code in later stage.
Brief description of the drawings
Fig. 1 is a kind of schematic flow sheet of method got ready application program according to the embodiment of the present invention；
Fig. 2 is the schematic flow sheet of the step S1 according to the embodiment of the present invention；
Fig. 3 is the schematic flow sheet of the step S1.2 according to the embodiment of the present invention；
Fig. 4 is a kind of structured flowchart of system got ready application program according to the embodiment of the present invention；
Fig. 5 is the structured flowchart of another system got ready application program according to the embodiment of the present invention.
Embodiment
With reference to the accompanying drawings and examples, the embodiment to the present invention is described in further detail.Implement below
Example is used to illustrate the present invention, but is not limited to the scope of the present invention.
In order to overcome in the prior art, with the renewal iteration of product, it is necessary to getting position ready and getting function ready for addition
Gradually increase, that brings gets the problem of function can be more and more difficult in maintenance and modification ready, and the invention provides one kind is right
The method that application program is got ready.
Fig. 1 shows a kind of schematic flow sheet of method got ready application program of the embodiment of the present invention, we
Method includes：
S1, in the compiling of application phase, all byte code files are traveled through, by byte code files successively with getting ready in file
The information for getting the function that the information and needs of class are got ready ready is matched.In Android platform, class files can be further excellent
One or more dex file is melted into, dex is Dalvik VM executes, is Android Dalvik configuration processors, due to
The other modification of code level can not be carried out to it again after generation dex files, so needing class files being transformed into dex files
Function is got in the insertion of this period (i.e. compiling duration) ready.
S2, to the function in the byte code files that the match is successful, call corresponding function of getting ready to be got ready.
The application proposes a kind of method and system got ready application program, by precompilation techniques, is applying journey
Change byte code files during the compiling of sequence, can dynamic batch addition get function ready, so as to ensure the exploit person of service logic
Member gets file ready without function is got in addition ready manually in code, and by creating comprising get relevant information ready so that open
Hair personnel only need to maintenance one and get file ready, the workload of developer and the bug rates of program are reduced, while also reducing
The risk for safeguarding code in later stage.
In one alternate embodiment, also include before step S1：
File is got in S0, establishment ready, described to get the information for getting class ready, every for including and being got ready the need for certain amount in file ready
The letter for getting function ready that the individual information for getting the function for needing to get ready in class ready and the function got ready each needs are got ready
Breath.
All java class in Java language, byte code files, i.e. class files, byte can be generated in compiling first
Code file is mainly for realizing that specific software is run, and in the present invention, what specific software referred to is exactly to get program ready.Obviously, in order to
Application program is got ready (namely function is got in insertion ready), it should got ready in byte code files.
It is the corresponding java class of byte code files, it is necessary to which the function got ready refers to beating the function to get class ready
Point, that is, write bytecode, gets the function that function refers to needing to write ready.For example, adding to init () function of DBHelper classes
Plus dotDBinit () function, DBHelper classes are to get class ready, and init () function is the function for needing to get ready, plus
DotDBinit () function is to get function ready.
In one alternate embodiment, also include between step S0 and S1：
Obtain the path of all byte code files and all byte code files.Only obtain the path of byte code files
Byte code files can be operated.
Fig. 2 shows step S1 according to embodiments of the present invention schematic flow sheet, and step S1 includes：
S1.1, in the compiling of application phase, travel through all byte code files, by the information of the corresponding class of byte code files with
Get all information for getting class ready in file ready and carry out first time matching.
A byte code files are chosen, the letter of class is got in file ready with getting ready according to the information of the corresponding class of byte code files
Breath carries out first time matching, and the match is successful, then illustrate that the byte code files need progress to get operation ready, if do not matched into
Work(, then illustrate that the byte code files need not carry out getting operation ready.
If S1.2, for the first time the match is successful, obtain and travel through functions all in the byte code files, by the bytecode
The information of function with getting the information for the function for needing to get ready in file ready match for the second time in file.
All functions of the byte code files that the match is successful for the first time are obtained, by the information of these functions with getting ready in file
Need the information for the function got ready to be matched, if the match is successful, illustrate that the function needs progress to get operation ready, if do not had
Have that the match is successful, then illustrate that the function need not carry out getting operation ready, then look for next function needs with getting ready in file
The function information got ready is matched, similarly, until function all in the byte code files all completes matching operation.
In one alternate embodiment, step S1.2 also includes：
If matching unsuccessful for the first time, select not carry out the byte code files of first time matching operation, this is not carried out
The information of the corresponding class of byte code files of matching operation is matched with getting all information for getting class ready in file ready.Here institute
That says does not carry out the byte code files of first time matching operation, refers to not carrying out first in the operation got ready for this
The byte code files of secondary matching operation.
In one alternate embodiment, step S1.2 also includes：
If matching for the second time unsuccessful, the information of the function of second of matching operation will not be carried out in the byte code files
With getting the information for the function for needing to get ready in file ready match for the second time.It is mentioned here not carry out second of matching operation
Function, refer to not carrying out the function of second of matching operation in the operation got ready for this.
Because the function in Java has the possibility of heavy duty, same name may correspond to multiple functions, and function is more than
Include function name, in addition to number of parameters, parameter type and return value, wherein function signature is by number of parameters and parameter type
Composition, function is in heavy duty, it is possible to use the difference (i.e. the difference of number of parameters and type) of function signature distinguishes caller
Which function what is called on earth is, therefore, in one alternate embodiment, it is necessary to which the information for the function got ready includes the function
Title and signature, getting the information of function ready includes the title and signature of getting function ready.
Fig. 3 shows step S1.2 according to embodiments of the present invention schematic flow sheet, and step S1.2 further comprises：
If S1.2.1, for the first time the match is successful, obtain and travel through functions all in the byte code files, by the byte
The title of each function in code file with getting the title for the function for needing to get ready in file ready match for the second time；And
If S1.2.2, second the match is successful, the signature for the function that the match is successful in bytecode and get ready in file
The signature for the function got ready the need for success carries out third time matching.
In Java frequently with precompilation techniques be by annotation processor to application program carry out precompile, but this
In invention, if realized by annotation processor, need to add corresponding comment code in code, in fact or business is opened
The code of hair personnel has been changed, and does not change problem inherently.
In one alternate embodiment, the bytecode Writing Technology of the invention based on java, corresponding function of getting ready is write
Enter to the function that the match is successful for the second time.
In order to more clearly illustrate the mentality of designing of the present invention, with reference to specific embodiment, present invention is described.
Realize that a gradle script lives the compiling duration of Android system application program with hook, so-called hook is
Hook, is the Essential Terms of computer realm, hook, which lives compiling duration, needs the transform for creating android gradle abstract
Class, and offer directoryInput variables in the transform methods in transform abstract class, gradle scripts are provided
For obtaining all class files, obtain all by class.path directoryInput.file.absolutePath
The path of class files.
The position for needing to get ready in application program is all write in a file, this document is named as dot.txt, this document
Form be not limited to txt file, need to only define that form is convenient to be read.Dot.txt need write information be：
Need the information for getting class ready got ready, each information for getting the function for needing to get ready in class ready and to each letter for needing to get ready
The information for getting function ready that number is got ready, that is to say, that follow-up version updating, developer only needs to safeguard this
The renewal of dot.txt files can just complete the function of getting ready.
A document reader is created in gradle script, text is read in the dot.txt files, gradle to read
The class of part is File, is loaded dot.txt files by File classes, then by calling its read method to obtain dot.txt texts
The content of part.
The content for obtaining dot.txt files is kept into DotModel classes, DotModel classes are used for representing that one is got ready
The elementary cell of class, DotModel classes include：
Field clazz, class is got ready for storing；
Methods fields, methods fields are a lists, the function in need got ready for storing；And
Field dotFuns, for storing it is in need call get function ready.
Function dotDBinit () is got in init () function addition such as to class DBHelper classes ready, then clazz correspondences
It is exactly the full name of DBHelper classes, methods is a list, and its each single item stores the identifier of a function, so here
The name of storage function and the signature of function are needed, that is, correspond to storage is exactly this function name of init and the V () that signs, together
Reason, dotFuns is a list, and the data of its each single item storage are similar with methods, is the name for getting function ready for needing to call
Claim and function signature) can be very easily just the judgement and write-in for subsequently entering line code here.
Next we are got ready using Java bytecode Writing Technology, and the injection of bytecode can use java's
Javassist class libraries, the method that Javassist class libraries provides the injection of a large amount of bytecodes is specifically included：
All class files are traveled through by class.path directoryInput.file.absolutePath, with
All classes of getting ready for reading the acquisition of dot.txt files are matched；
If the match is successful, the getCtClass methods of Javassist class libraries are called to pass through the corresponding class of class files
Javassist is opened；
GetCtClass methods return to a CtClass object, and CtClass objects are used to call its getMethods () sides
Method obtains all methods of the class files, and getMethods () method returns to the array of CtMethod objects, then traveled through
The array obtains all method object CtMethod；
The getName methods of CtMethod objects are called, the title of the function with being got ready the need for acquisition is matched, such as
Fruit title is correct, and the getSignature methods for recalling CtMethod objects obtain the signature of function, and with dot.txt files
In the need for the signature of function got ready matched；
If the match is successful, show that current function needs addition to get ready, CtMethod objects have insertBefore
() sentence before a function to add code, it is only necessary to adds the function of getting ready that dot.txt files are read just
OK, then travel through successively, until getting all ready function addition completion.
Fig. 4 shows a kind of structured flowchart of system got ready application program provided in an embodiment of the present invention, should
System includes：
Matching module, in the compiling of application phase, all byte code files being traveled through, by byte code files successively with beating
The information for the function that the information and needs of getting class ready in dot file are got ready is matched；And
Module is got ready, for the function in the byte code files that the match is successful, calling corresponding function of getting ready to be beaten
Point.
In one embodiment, the system also includes：Get file module ready, file is got ready for creating, it is described to get text ready
Included in part the information for getting class ready got ready the need for certain amount, each information for getting the function for needing to get ready in class ready and
To each information for getting function ready for needing the function got ready to be got ready.
Fig. 5 shows the structured flowchart of another system got ready application program of the embodiment of the present invention, including：
Get file module ready, file got ready for creating, it is described get ready include certain amount in file the need for get ready
The information for getting class ready, the information for each getting the function for needing to get ready in class ready and the function got ready each needs are got ready
The information for getting function ready；
Byte code files acquisition module, for the path for obtaining all byte code files and all byte code files；
Matching module, in the compiling of application phase, all byte code files being traveled through, by byte code files successively with beating
The information for the function that the information and needs of getting class ready in dot file are got ready is matched；And
Module is got ready, for the function in the byte code files that the match is successful, calling corresponding function of getting ready to be beaten
Point.
In one alternate embodiment, matching module further comprises：
First time matching module, in the compiling of application phase, all byte code files being traveled through, by byte code files pair
The information for the class answered is matched with getting all information progress first times for getting class ready in file ready；And
Second of matching module, for when the match is successful for the first time, obtaining and traveling through all in the byte code files
Function, second is carried out by the information of function in the byte code files and the information for getting the function for needing to get ready in file ready
Match somebody with somebody.
In one alternate embodiment, the second matching module is additionally operable to：When first time matching unsuccessful, selection is not carried out
The byte code files of first time matching operation, this are not carried out the information of the corresponding class of byte code files of matching operation with getting ready
All information for getting class ready are matched in file.
In one alternate embodiment, the second matching module is additionally operable to：When matching unsuccessful for the second time, by the bytecode
The information for not carrying out the function of second of matching operation in file and the information for getting the function for needing to get ready in file ready carry out the
Secondary Match.
It is described to beat in one alternate embodiment, it is necessary to which the information for the function got ready includes the title and signature of the function
The information of point function includes the title and signature that this gets function ready.
In one alternate embodiment, the second matching module includes：
First matching unit, for when the match is successful for the first time, obtaining and traveling through letters all in the byte code files
Number, the title of each function in the byte code files and the title for getting the function for needing to get ready in file ready are carried out second
Matching；And
Second matching unit, when second the match is successful, then in bytecode the signature for the function that the match is successful with getting ready
The signature for the function got ready the need for the match is successful in file carries out third time matching.
In one alternate embodiment, the present invention discloses a kind of computer program product, the computer program product bag
The computer program being stored on non-transient computer readable storage medium storing program for executing is included, the computer program includes programmed instruction, when
When described program instruction is computer-executed, computer is able to carry out the method that above-mentioned each method embodiment is provided, for example, wrap
Include：
S1, in the compiling of application phase, all byte code files are traveled through, by byte code files successively with getting ready in file
The information for getting the function that the information and needs of class are got ready ready is matched；And
S2, to the function in the byte code files that the match is successful, call corresponding function of getting ready to be got ready.
In one alternate embodiment, it is described non-temporary the invention discloses a kind of non-transient computer readable storage medium storing program for executing
State computer-readable recording medium storage computer instruction, it is real that the computer instruction makes the computer perform above-mentioned each method
Apply the method that example is provided, for example including：
S1, in the compiling of application phase, all byte code files are traveled through, by byte code files successively with getting ready in file
The information for getting the function that the information and needs of class are got ready ready is matched；And
S2, to the function in the byte code files that the match is successful, call corresponding function of getting ready to be got ready.
Finally, the function of the application is only preferably embodiment, is not intended to limit the scope of the present invention.It is all
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvements made etc. should be included in the protection of the present invention
Within the scope of.
Claims (10)
1. a kind of method got ready application program, it is characterised in that including：
S1, in the compiling of application phase, all byte code files are traveled through, by byte code files successively with getting getting ready in file ready
The information for the function that the information and needs of class are got ready is matched；And
S2, to the function in the byte code files that the match is successful, call corresponding function of getting ready to be got ready.
2. the method as claimed in claim 1 got ready application program, it is characterised in that also wrapped before the step S1
Include：
S0, establishment get file ready, and described get ready includes the information for getting class ready got ready the need for certain amount, each beaten in file
The information for the function got ready is needed in point class and to each information for getting function ready for needing the function got ready to be got ready.
3. the method as claimed in claim 2 got ready application program, it is characterised in that between the step S0 and S1
Also include：
Obtain the path of all byte code files and all byte code files.
4. the method as claimed in claim 3 got ready application program, it is characterised in that the step S1 includes：
S1.1, in the compiling of application phase, all byte code files are traveled through, by the information of the corresponding class of byte code files with getting ready
All information for getting class ready carry out first time matching in file；And
If S1.2, for the first time the match is successful, obtain and travel through functions all in the byte code files, by the byte code files
The information of middle function with getting the information for the function for needing to get ready in file ready match for the second time.
5. the method as claimed in claim 4 got ready application program, it is characterised in that the step S1.2 is also wrapped
Include：
If matching unsuccessful for the first time, select not carry out the byte code files of first time matching operation, this is not matched
The information of the corresponding class of byte code files of operation is matched with getting all information for getting class ready in file ready.
6. the method as claimed in claim 4 got ready application program, it is characterised in that the step S1.2 is also wrapped
Include：
If match for the second time it is unsuccessful, will not carried out in the byte code files second of matching operation function information and beat
Need the information for the function got ready to carry out second in dot file to match.
7. the method as claimed in claim 4 got ready application program, it is characterised in that the function that the needs are got ready
Information including the function title and signature, the information for getting function ready includes the title and signature that this gets function ready.
8. the method as claimed in claim 7 got ready application program, it is characterised in that the step S1.2 is further
Including：
If S1.2.1, for the first time the match is successful, obtain and travel through functions all in the byte code files, by the bytecode text
The title of each function in part with getting the title for the function for needing to get ready in file ready match for the second time；And
If S1.2.2, second the match is successful, the signature for the function that the match is successful in bytecode is matched into getting ready in file
The signature for the function got ready the need for work(carries out third time matching.
9. the method as claimed in claim 4 got ready application program, it is characterised in that described to call corresponding get ready
Function is got ready, including：Bytecode Writing Technology based on java, corresponding function of getting ready is write to matching into for the second time
Before the function of work(.
10. a kind of system got ready application program, it is characterised in that including：
Matching module, in the compiling of application phase, all byte code files being traveled through, by byte code files successively with getting text ready
The information for the function that the information and needs of getting class ready in part are got ready is matched；And
Module is got ready, for the function in the byte code files that the match is successful, calling corresponding function of getting ready to be got ready.
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| CN108345542A (en) * | 2018-02-28 | 2018-07-31 | 腾讯科技（深圳）有限公司 | Abnormality eliminating method and device in a kind of application program |
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| CN111435312A (en) * | 2019-01-15 | 2020-07-21 | 北京嘀嘀无限科技发展有限公司 | Application program management method and device and electronic equipment |
| CN111435312B (en) * | 2019-01-15 | 2023-09-29 | 北京嘀嘀无限科技发展有限公司 | Application program management method and device and electronic equipment |
| CN111352673A (en) * | 2020-01-02 | 2020-06-30 | 上海域幂信息科技有限公司 | Novel Hook method, storage medium and electronic device |
| CN111352673B (en) * | 2020-01-02 | 2023-10-03 | 上海域幂信息科技有限公司 | Novel Hook method, storage medium and electronic device |
| CN111240937A (en) * | 2020-01-13 | 2020-06-05 | 上海钧正网络科技有限公司 | Method and device for counting time consumption of in-application method, computer equipment and medium |
| CN111796865A (en) * | 2020-06-28 | 2020-10-20 | 北京字节跳动网络技术有限公司 | Byte code file modification method and device, terminal equipment and medium |
| CN111796865B (en) * | 2020-06-28 | 2024-04-16 | 北京字节跳动网络技术有限公司 | Byte code file modification method, device, terminal equipment and medium |
| WO2022166669A1 (en) * | 2021-02-05 | 2022-08-11 | 北京字节跳动网络技术有限公司 | Hook method and apparatus at compile time, device, and storage medium |
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