java 反射和注解 (Reflect and Annotation)

========Annotation One============package com.my.core;import java.lang.annotation.ElementType;import java.lang.annotation.Retention;import java.lang.annotation.RetentionPolicy;import java.lang.annotation.Target;@Retention(RetentionPolicy.RUNTIME)@Target(ElementType.FIELD)public @interface TestFindBy {String id() default "default_id";}==========Annotation Two=============package com.my.core;import java.lang.annotation.ElementType;import java.lang.annotation.Retention;import java.lang.annotation.RetentionPolicy;import java.lang.annotation.Target;@Retention(RetentionPolicy.RUNTIME)@Target(ElementType.TYPE)public @interface NoteClass{String note() default "default";}=========Test Class============----------------------------package com.my.core;@NoteClasspublic class TestPage {@TestFindBy(id="user_Name")public ScreenElement userNameField;@TestFindBy(id="user_Password")public ScreenElement userPwdField;@TestFindBy(id="user_submit")public ScreenElement userSubmit;}----------------------package com.my.core;public class ScreenElement {public String id;public ScreenElement(String id) {this.id = id;}public String getId() {return id;}public void setId(String id) {this.id = id;}public By findBy() {return By.id(this.id);}}----------------------package com.my.core;import java.lang.reflect.Field;public class ScreenFactory {      public static void main(String arg[]) throws IllegalArgumentException, IllegalAccessException{     TestPage pageObj= ScreenFactory.initElements(new TestPage());     System.out.println(pageObj.userNameField.getId());     System.out.println(pageObj.userPwdField.getId());     System.out.println(pageObj.userSubmit.getId());  WebDriver driver = new ChromeDriver();      waitUntilVisibleThenSendkey(driver, pageObj.userNameField, "Tom");      waitUntilVisibleThenSendkey(driver, pageObj.userPwdField, "Pwd");      waitUntilClickableThenClick(driver, pageObj.userSubmit);      }            public static<T extends TestPage> T initElements(T screen) throws IllegalArgumentException, IllegalAccessException{         if(TestPage.class.isAnnotationPresent(NoteClass.class)){    Field[] fs= TestPage.class.getDeclaredFields();    for(Field f:fs){    if(f.isAnnotationPresent(TestFindBy.class)){    String anId=f.getAnnotation(TestFindBy.class).id();    f.set(screen, new ScreenElement(anId));    }     }public static void waitUntilVisibleThenSendkey(WebDriver driver,ScreenElement se,String keys) {      for(int i=0;i<5;i++){      WebElement we =new WebDriverWait(driver, 30)          .until(ExpectedConditions.visibilityOfElementLocated(se.findBy()));      try{      we.getText();      we.sendKeys(keys);;      return;} catch (Throwable t) {System.out.println(t.getMessage());}            }}          }return screen;           }      public static void waitUntilClickableThenClick(WebDriver driver,ScreenElement se) {     for(int i=0;i<5;i++){     WebElement we =new WebDriverWait(driver, 30)         .until(ExpectedConditions.elementToBeClickable(se.findBy()));     try{     we.getText();     we.click();     return;     }catch(Throwable t){     System.out.println(t.getMessage());     }          }}}

========Annotation One============

package com.my.core;


import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;


@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.FIELD)
public @interface TestFindBy {
String id() default "default_id";
}




==========Annotation Two=============


package com.my.core;


import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;


@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.TYPE)
public @interface NoteClass{
String note() default "default";
}


=========Test Class============
----------------------------
package com.my.core;


@NoteClass
public class TestPage {


@TestFindBy(id="user_Name")
public ScreenElement userNameField;

@TestFindBy(id="user_Password")
public ScreenElement userPwdField;

@TestFindBy(id="user_submit")
public ScreenElement userSubmit;


}


----------------------


package com.my.core;


public class ScreenElement {
public String id;

public ScreenElement(String id) {
this.id = id;
}

public String getId() {
return id;
}

public void setId(String id) {
this.id = id;
}

public By findBy() {
return By.id(this.id);
}

}


----------------------
package com.my.core;


import java.lang.reflect.Field;


public class ScreenFactory {
      public static void main(String arg[]) throws IllegalArgumentException, IllegalAccessException{
     TestPage pageObj= ScreenFactory.initElements(new TestPage());
     System.out.println(pageObj.userNameField.getId());
     System.out.println(pageObj.userPwdField.getId());

     System.out.println(pageObj.userSubmit.getId());

 WebDriver driver = new ChromeDriver();
     waitUntilVisibleThenSendkey(driver, pageObj.userNameField, "Tom");
     waitUntilVisibleThenSendkey(driver, pageObj.userPwdField, "Pwd");
     waitUntilClickableThenClick(driver, pageObj.userSubmit);

      }
      
      public static<T extends TestPage> T initElements(T screen) throws IllegalArgumentException, IllegalAccessException{
     
    if(TestPage.class.isAnnotationPresent(NoteClass.class)){
    Field[] fs= TestPage.class.getDeclaredFields();
    for(Field f:fs){
    if(f.isAnnotationPresent(TestFindBy.class)){
    String anId=f.getAnnotation(TestFindBy.class).id();
    f.set(screen, new ScreenElement(anId));
    } 

    }

public static void waitUntilVisibleThenSendkey(WebDriver driver,ScreenElement se,String keys) {
     for(int i=0;i<5;i++){
     WebElement we =new WebDriverWait(driver, 30)
         .until(ExpectedConditions.visibilityOfElementLocated(se.findBy()));
     try{
     we.getText();
     we.sendKeys(keys);;
     return;
} catch (Throwable t) {
System.out.println(t.getMessage());
}
     
     }
}

     
     }


return screen;
     

      }

      public static void waitUntilClickableThenClick(WebDriver driver,ScreenElement se) {
     for(int i=0;i<5;i++){
     WebElement we =new WebDriverWait(driver, 30)
         .until(ExpectedConditions.elementToBeClickable(se.findBy()));
     try{
     we.getText();
     we.click();
     return;
     }catch(Throwable t){
     System.out.println(t.getMessage());
     }
     
     }

}

}