软件体系结构与设计模式实验9

软件体系结构与设计模式实验9实验报告1、某系统提供了一个数据加密功能，可以对字符串进行加密。最简单的加密算法通过对字母进行移位来实现，同时还提供了稍复杂的逆向输出加密，还提供了更为高级的求模加密。用户先使用最简单的加密算法对字符串进行加密，如果觉得还不够可以对加密之后的结果使用其他加密算法进行二次加密，当然也可以进行第三次加密。现使用装饰模式设计该多重加密系统。(1)UML类图□pmr功iw泊r卜£「83陌心0ph责占phsi■+encryplfStfhg(1)UML类图□pmr功iw泊r卜£「83陌心0ph责占phsi■+encryplfStfhg陟AdaiancedCiphe：r+AjdrarctdCifiheiiCifbercipntij+eclypt.Stringp-aril«rt.»■hmsjd整biigtew*CghipIckC『heri-CartTplesdCipheflCipFerripiherj■+CFCrypTl.&tririgpJ(inTeYt；imerselgtrfrdtaitlCipher■encrypt(5tnnqpJ^inTesri£第*磨普甬i.i*4- pqr™n(5irhq］占rg/.vnid(2)实现代码packagequestionl;/**^^Description:*@Author:Xxx*@Date:2020年5月10日**/publicinterfaceCipher{Stringencrypt(StringplainText);}packagequestion1;/***@Description:*@Author:Xxx*@Date:2020年5月10日**/publicclassSimpleCipherimplementsCipher{©OverridepublicStringencrypt(StringplainText){Stringstr="”;for(inti=0;i<plainText.length();i++){charc=plainText.charAt(i);if(c>='a'&&c<='z'){c+=6;if(c>'z'){c-=26；}if(c<'a'){c+=26;}}if(c>='A'&&c<='Z'){c+=6;if(c>'Z'){c-=26;}if(c<'A'){c+=26;}}str+=c;}returnstr;}}packagequestionl;/**^^Description:*@Author:Xxx*@Date:2020年5月10日**/publicclassCipherDecoratorimplementsCipher{privateCiphercipher;publicCipherDecorator(Ciphercipher){this.cipher=cipher;}©OverridepublicStringencrypt(StringplainText){returncipher.encrypt(plainText);}packagequestionl;importjava.time.format.ResolverStyle;/**^^Description:*@Author:Xxx*@Date:2020年5月10日**/publicclassComplexCipherextendsCipherDecorator{publicComplexCipher(Ciphercipher){super(cipher);}publicStringreverse(Stringtext)(Stringstring="";for(inti=text.length();i>0;i--){string+=text.substring(i-1,i);}returnstring;}©OverridepublicStringencrypt(StringplainText){Stringresult=super.encrypt(plainText);result=reverse(result);returnresult;}}packagequestion1;/***@Description:*@Author:Xxx*@Date:2020年5月10日**/publicclassAdvancedCipherextendsCipherDecorator(super(cipher);publicStringmod(Stringtext)(Stringstr="”;for(inti=0;i<text.length();i++){StringcString=String.valueOf(text.charAt(i)%6);str+=cString;}returnstr;}publicStringencrypt(StringplainText){Stringresult=super.encrypt(plainText);result=mod(result);returnresult;}}(3)测试代码packagequestion1;/**^^Description:*@Author:Xxx*@Date:2020年5月10日**/publicclassClient{publicstaticvoidmain(String[]args){Stringpassword="dailyTan";Stringcpasswd;Ciphersc,cc,ac;sc=newSimpleCipher();cpasswd=sc.encrypt(password);System.out.println("AfterSimpleCipher:"+cpasswd);cc=newComplexCipher(sc);cpasswd=cc.encrypt(password);System.out.println("AfterComplexCipher:"+cpasswd);ac=newAdvancedCipher(sc);cpasswd=ac.encrypt(password);System.out.println("AfterAdvancedCipher:"+cpasswd);(4)结果截图AfterSimp1eCipher;jgoreZgtAfterComp1exCipher:tgZerogjAfterAdvancedCipher:413050122、某OA系统采用享元模式设计权限与管理模块，在该模块中，将与系统功能相对应的业务类设计为享元类并将相应的义务对象存储到享元池中（可使用Map实现，key为业务对象对应的权限编码，value为业务对象）。用户身份验证成功后，系统通过存储在数据库中的该用户的权限编码集从享元池获取相应的业务对象并构建权限列表，在界面中显示用户所拥有的权限。(1)UML类图(2)实现代码packagequestion2;/**^^Description:*@Author:Xxx*@Date:2020年5月10日**/publicinterfaceFlyweight{voidaddLimit(Stringlimit);voidoperation();}packagequestion2;importjava.awt.List;importjava.util.HashMap;importjava.util.Map;/***@Description:*@Author:Xxx*@Date:2020年5月10日**/publicclassFlyweightFactory{privateMap<String,Flyweight>flyweights=newHashMap<>();publicFlyweightgetFlyweight(Stringkey){if(!flyweights.containsKey(key)){Flyweightflyweight=newConcreteFlyweight(key);flyweights.put(key,flyweight);}returnflyweights.get(key);}}packagequestion2;importjava.awt.List;importjava.util.ArrayList;importjava.util.HashMap;importjava.util.Map;/**♦^Description:*@Author:Xxx*@Date:2020年5月10日**/publicclassConcreteFlyweightimplementsFlyweight{privateStringintrinsicState;privateMap<String,ArrayList<String>>limitMap=newHashMap<>();privateArrayListlimits=newArrayList();publicvoidsetIntrinsicState(StringintrinsicState){rinsicState=intrinsicState;}publicArrayListgetLimits(){returnlimits;}publicvoidsetLimits(ArrayListlimits){this.limits=limits;publicMap<String,ArrayList<String>>getLimitMap(){returnlimitMap;}publicvoidsetLimitMap(Map<String,ArrayList<String>>limitMap){this.limitMap=limitMap;}publicStringgetIntrinsicState(){returnintrinsicState;}publicConcreteFlyweight(StringintrinsicState){rinsicState=intrinsicState;}^OverridepublicvoidaddLimit(Stringlimit){limits.add(limit);limitMap.put(rinsicState,limits);}^Overridepublicvoidoperation(){System.out.print("业务对象:"+rinsicState);System.out.println("权限列表："+limitMap.get(rinsicState));}}(3)测试代码packagequestion2;/**^^Description:*@Author:Xxx*@Date:2020年5月10日**/publicclassClient{publicstaticvoidmain(String[]args){FlyweightFactoryflyweightFactory=newFlyweightFactory();Flyweightflyweight1=flyweightFactory.getFlyweight("flyweight1”);flyweight1.addLimit("001”);flyweight1.addLimit("022”);flyweight1.operation();Flyweightflyweight2=flyweightFactory.getFlyweight("flyweight2”);flyweight2.addLimit("110”);flyweight2.addLimit("101”);flyweight2.operation();}}(4)结果截图<terniindted>Client(13)[JavaApplicatfon]D:\cqdeS0ft5\Jdva.咪务时象在lyw电gh七1权限列买：[001,022]flyweights权限机]表：[110,101]3、某系统需要提供一个文件加密模块，加密流程包括三个操作，分别是读取源文件、加密、保存加密之后的文件。读取文件和保存文件使用流来实现，这三个操作相对独立，其业务代码封装在三个不同的类中。现在需要提供一个统一的加密外观类，用户可以直接使用该加密外观类完成文件的读取、加密和保存三个操作，而不需要与每一个类进行交互，使用外观模式设计该加密模块。(1)UML类图(2)实现代码packagequestion?;importjava.io.BufferedReader;importjava.io.File;importjava.io.FileInputStream;importjava.io.FileReader;importjava.io.InputStreamReader;/**^^Description:*@Author:Xxx*@Date:2020年5月10日**/publicclassReadModule{publicvoidread(Filefile)(System.out.println("开始读取文件:"+file);System.out.println(" start ");try{InputStreamReaderiReader=newInputStreamReader(newFileInputStream(file),"utf-8”);BufferedReaderbReader=newBufferedReader(iReader);Stringtext=null;while((text=bReader.readLine())!=null){System.out.println(text);}bReader.close();}catch(Exceptione){e.printStackTrace();}System.out.println(" end ");System.out.println("读取完成”)；}}packagequestion?;importjava.io.BufferedReader;importjava.io.BufferedWriter;importjava.io.File;importjava.io.FileInputStream;importjava.io.FileOutputStream;importjava.io.FileWriter;importjava.io.InputStreamReader;/***@Description:*@Author:Xxx*@Date:2020年5月10日**/publicclassEncrytModule{publicStringdoEncrypt(Stringtext)(Stringstr="”;for(inti=0;i<text.length();i++){StringcString=String.valueOf(text.charAt(i)%6);str+=cString;}returnstr;}publicvoidencrypt(Filefile)(System.out.println("开始对文件内容进行加密......");try{InputStreamReaderiReader=newInputStreamReader(newFilelnputStream(file),"utf-8");BufferedReaderbReader=newBufferedReader(iReader);Stringtext=null;while((text=bReader.readLine())!=null){System.out.println(doEncrypt(text));}bReader.close();}catch(Exceptione){e.printStackTrace();}System.out.println("加密完成”);}}packagequestion?;importjava.io.File;importjava.io.FileInputStream;importjava.io.FileOutputStream;/***@Description:*@Author:Xxx*@Date:2020年5月10日**/publicclassSaveModule{publicvoidsave(Filefile,Stringpath)(System.out.println("将文件"+file+"保存在"+path);