appserver/tests/quicklook/bean-validator/simple-bv-servlet/src/java/simple_bv_servlet/SimpleBVServlet.java - glassfish - Git at Google

 /*
  * Copyright (c) 1997, 2020 Oracle and/or its affiliates. All rights reserved.
  *
  * This program and the accompanying materials are made available under the
  * terms of the Eclipse Public License v. 2.0, which is available at
  * http://www.eclipse.org/legal/epl-2.0.
  *
  * This Source Code may also be made available under the following Secondary
  * Licenses when the conditions for such availability set forth in the
  * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
  * version 2 with the GNU Classpath Exception, which is available at
  * https://www.gnu.org/software/classpath/license.html.
  *
  * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
  */

 package simple_bv_servlet;

 import jakarta.servlet.ServletException;
 import jakarta.servlet.http.HttpServlet;
 import jakarta.servlet.http.HttpServletRequest;
 import jakarta.servlet.http.HttpServletResponse;
 import jakarta.validation.ConstraintViolation;
 import jakarta.validation.Validation;
 import jakarta.validation.ValidatorContext;
 import jakarta.validation.ValidatorFactory;
 import java.io.IOException;
 import java.io.PrintWriter;
 import java.io.Serializable;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Set;

 public class SimpleBVServlet extends HttpServlet {

     @Override
     protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

         System.out.println("Context Path: " + req.getContextPath());
         System.out.println("Path info: " + req.getPathInfo());
         System.out.println("Path translated: " + req.getPathTranslated());

         String pathInfo = req.getPathInfo();
         if (pathInfo != null) {
             if (pathInfo.endsWith("bv_10")) {
                 handleBV10(resp);
             } else if (pathInfo.endsWith("bv_20")) {
                 handleBV20(resp);
             } else {
                 emptyOutput(resp);
             }
         } else {
             emptyOutput(resp);
         }
     }

     private void emptyOutput(HttpServletResponse resp) throws IOException {
         PrintWriter out = resp.getWriter();
         resp.setContentType("text/html");
         out.print("<html><head><title>SimpleBVServlet</title></head><body>");
         out.print("</body></html>");
     }

     private void handleBV10(HttpServletResponse resp) throws IOException {
         PrintWriter out = resp.getWriter();
         resp.setContentType("text/html");
         out.print("<html><head><title>SimpleBVServlet</title></head><body>");

         ValidatorFactory validatorFactory = null;

         validatorFactory = Validation.buildDefaultValidatorFactory();

         out.print("<p>");
         out.print("Obtained ValidatorFactory: " + validatorFactory + ".");
         out.print("</p>");

         ValidatorContext validatorContext = validatorFactory.usingContext();
         jakarta.validation.Validator beanValidator = validatorContext.getValidator();

         out.print("<h1>");
         out.print("Validating person class using validateValue with valid property");
         out.print("</h1>");

         List<String> listOfString = new ArrayList<String>();
         listOfString.add("one");
         listOfString.add("two");
         listOfString.add("three");

         Set<ConstraintViolation<Person>> violations =
                 beanValidator.validateValue(Person.class, "listOfString", listOfString);

         printConstraintViolations(out, violations, "case1");

         out.print("<h1>");
         out.print("Validating person class using validateValue with invalid property");
         out.print("</h1>");

         try {
             violations =
                     beanValidator.validateValue(Person.class, "nonExistentProperty", listOfString);
             System.out.println("Check: should not print this");
         } catch (IllegalArgumentException iae) {
             out.print("<p>");
             out.print("case2: caught IllegalArgumentException.  Message: " +
                     iae.getMessage());
             out.print("</p>");
         System.out.println("Caught IllegalArgumentException: must pass test");
         }catch (Exception ex) {
             System.out.println("check: if any other exception?");
         ex.printStackTrace();
         }
         Person person = new Person();

         out.print("<h1>");
         out.print("Validating invalid person instance using validate.");
         out.print("</h1>");

         violations = beanValidator.validate(person);

         printConstraintViolations(out, violations, "case3");

         out.print("<h1>");
         out.print("Validating valid person.");
         out.print("</h1>");

         person.setFirstName("John");
         person.setLastName("Yaya");
         person.setListOfString(listOfString);

         violations = beanValidator.validate(person);
         printConstraintViolations(out, violations, "case4");

         out.print("</body></html>");
     }

     private void handleBV20(HttpServletResponse resp) throws IOException {
         PrintWriter out = resp.getWriter();
         resp.setContentType("text/html");
         out.print("<html><head><title>SimpleBVServlet</title></head><body>");

         ValidatorFactory validatorFactory = null;

         validatorFactory = Validation.buildDefaultValidatorFactory();

         out.print("<p>");
         out.print("Obtained ValidatorFactory: " + validatorFactory + ".");
         out.print("</p>");

         ValidatorContext validatorContext = validatorFactory.usingContext();
         jakarta.validation.Validator beanValidator = validatorContext.getValidator();

         out.print("<h1>");
         out.print("Validating person class using validateValue with valid property");
         out.print("</h1>");


         // Validation: Null entry in the list
         // List<@NotNull String> listOfString in Employee.
         List<String> listOfString = new ArrayList<String>();
         listOfString.add("one");
         listOfString.add("two");
         listOfString.add(null);
         Set<ConstraintViolation<Employee>> violations =
             beanValidator.validateValue(Employee.class, "listOfString", listOfString);

         printConstraintViolationsOfBV2(out, violations, "case0");


         //Validation: Not null listOfString
         listOfString = new ArrayList<String>();
         listOfString.add("one");
         listOfString.add("two");
         listOfString.add("three");

         violations =
             beanValidator.validateValue(Employee.class, "listOfString", listOfString);

         printConstraintViolationsOfBV2(out, violations, "case1");


         out.print("<h1>");
         out.print("Validating person class using validateValue with invalid property");
         out.print("</h1>");

         try {
             violations =
                 beanValidator.validateValue(simple_bv_servlet.Employee.class, "nonExistentProperty", listOfString);
             System.out.println("Check: should not print this");
         } catch (IllegalArgumentException iae) {
             out.print("<p>");
             out.print("case2: caught IllegalArgumentException.  Message: " +
                 iae.getMessage());
             out.print("</p>");
             System.out.println("Caught IllegalArgumentException: must pass test");
         }catch (Exception ex) {
             System.out.println("check: if any other exception?");
             ex.printStackTrace();
         }
         simple_bv_servlet.Employee person = new Employee();

         out.print("<h1>");
         out.print("Validating invalid person instance using validate.");
         out.print("</h1>");

         violations = beanValidator.validate(person);

         printConstraintViolationsOfBV2(out, violations, "case3");

         out.print("<h1>");
         out.print("Validating valid person.");
         out.print("</h1>");

         //validate the person. Invalid email format. (@Email)
         person.setFirstName("John");
         person.setLastName("Yaya");
         person.setAge(30);
         person.setEmail("johy.yaya-abc.com");
         person.setListOfString(listOfString);

         violations = beanValidator.validate(person);
         printConstraintViolationsOfBV2(out, violations, "case4");

         //validate email (@Email)
         person.setEmail("johy.yaha@abc.com");
         violations = beanValidator.validate(person);
         printConstraintViolationsOfBV2(out, violations, "case5");

         ///validate that the age is greater than 25 (@Min 20, @Min 25)
         person.setAge(22);
         violations = beanValidator.validate(person);
         printConstraintViolationsOfBV2(out, violations, "case6");


         //validate that the age is within 50. (@Max 50 and @Max 60)
         person.setAge(52);
         violations = beanValidator.validate(person);
         printConstraintViolationsOfBV2(out, violations, "case7");


         out.print("</body></html>");
     }

     private void printConstraintViolationsOfBV2(PrintWriter out,
         Set<ConstraintViolation<Employee>> violations, String caseId) {
         if (violations.isEmpty()) {
             out.print("<p>");
             out.print(caseId + ": No ConstraintViolations found.");
             out.print("</p>");
         } else {
             for (ConstraintViolation<Employee> curViolation : violations) {
                 out.print("<p>");
                 out.print(caseId + ": ConstraintViolation: message: " + curViolation.getMessage() +
                     " propertyPath: " + curViolation.getPropertyPath());
                 out.print("</p>");
             }
         }
     }
     private void printConstraintViolations(PrintWriter out,
             Set<ConstraintViolation<Person>> violations, String caseId) {
         if (violations.isEmpty()) {
             out.print("<p>");
             out.print(caseId + ": No ConstraintViolations found.");
             out.print("</p>");
         } else {
             for (ConstraintViolation<Person> curViolation : violations) {
                 out.print("<p>");
                 out.print(caseId + ": ConstraintViolation: message: " + curViolation.getMessage() +
                         " propertyPath: " + curViolation.getPropertyPath());
                 out.print("</p>");
             }
         }
     }
 }
	/*
	* Copyright (c) 1997, 2020 Oracle and/or its affiliates. All rights reserved.
	*
	* This program and the accompanying materials are made available under the
	* terms of the Eclipse Public License v. 2.0, which is available at
	* http://www.eclipse.org/legal/epl-2.0.
	*
	* This Source Code may also be made available under the following Secondary
	* Licenses when the conditions for such availability set forth in the
	* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
	* version 2 with the GNU Classpath Exception, which is available at
	* https://www.gnu.org/software/classpath/license.html.
	*
	* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
	*/

	package simple_bv_servlet;

	import jakarta.servlet.ServletException;
	import jakarta.servlet.http.HttpServlet;
	import jakarta.servlet.http.HttpServletRequest;
	import jakarta.servlet.http.HttpServletResponse;
	import jakarta.validation.ConstraintViolation;
	import jakarta.validation.Validation;
	import jakarta.validation.ValidatorContext;
	import jakarta.validation.ValidatorFactory;
	import java.io.IOException;
	import java.io.PrintWriter;
	import java.io.Serializable;
	import java.util.ArrayList;
	import java.util.List;
	import java.util.Set;

	public class SimpleBVServlet extends HttpServlet {

	@Override
	protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

	System.out.println("Context Path: " + req.getContextPath());
	System.out.println("Path info: " + req.getPathInfo());
	System.out.println("Path translated: " + req.getPathTranslated());

	String pathInfo = req.getPathInfo();
	if (pathInfo != null) {
	if (pathInfo.endsWith("bv_10")) {
	handleBV10(resp);
	} else if (pathInfo.endsWith("bv_20")) {
	handleBV20(resp);
	} else {
	emptyOutput(resp);
	}
	} else {
	emptyOutput(resp);
	}
	}

	private void emptyOutput(HttpServletResponse resp) throws IOException {
	PrintWriter out = resp.getWriter();
	resp.setContentType("text/html");
	out.print("<html><head><title>SimpleBVServlet</title></head><body>");
	out.print("</body></html>");
	}

	private void handleBV10(HttpServletResponse resp) throws IOException {
	PrintWriter out = resp.getWriter();
	resp.setContentType("text/html");
	out.print("<html><head><title>SimpleBVServlet</title></head><body>");

	ValidatorFactory validatorFactory = null;

	validatorFactory = Validation.buildDefaultValidatorFactory();

	out.print("<p>");
	out.print("Obtained ValidatorFactory: " + validatorFactory + ".");
	out.print("</p>");

	ValidatorContext validatorContext = validatorFactory.usingContext();
	jakarta.validation.Validator beanValidator = validatorContext.getValidator();

	out.print("<h1>");
	out.print("Validating person class using validateValue with valid property");
	out.print("</h1>");

	List<String> listOfString = new ArrayList<String>();
	listOfString.add("one");
	listOfString.add("two");
	listOfString.add("three");

	Set<ConstraintViolation<Person>> violations =
	beanValidator.validateValue(Person.class, "listOfString", listOfString);

	printConstraintViolations(out, violations, "case1");

	out.print("<h1>");
	out.print("Validating person class using validateValue with invalid property");
	out.print("</h1>");

	try {
	violations =
	beanValidator.validateValue(Person.class, "nonExistentProperty", listOfString);
	System.out.println("Check: should not print this");
	} catch (IllegalArgumentException iae) {
	out.print("<p>");
	out.print("case2: caught IllegalArgumentException. Message: " +
	iae.getMessage());
	out.print("</p>");
	System.out.println("Caught IllegalArgumentException: must pass test");
	}catch (Exception ex) {
	System.out.println("check: if any other exception?");
	ex.printStackTrace();
	}
	Person person = new Person();

	out.print("<h1>");
	out.print("Validating invalid person instance using validate.");
	out.print("</h1>");

	violations = beanValidator.validate(person);

	printConstraintViolations(out, violations, "case3");

	out.print("<h1>");
	out.print("Validating valid person.");
	out.print("</h1>");

	person.setFirstName("John");
	person.setLastName("Yaya");
	person.setListOfString(listOfString);

	violations = beanValidator.validate(person);
	printConstraintViolations(out, violations, "case4");

	out.print("</body></html>");
	}

	private void handleBV20(HttpServletResponse resp) throws IOException {
	PrintWriter out = resp.getWriter();
	resp.setContentType("text/html");
	out.print("<html><head><title>SimpleBVServlet</title></head><body>");

	ValidatorFactory validatorFactory = null;

	validatorFactory = Validation.buildDefaultValidatorFactory();

	out.print("<p>");
	out.print("Obtained ValidatorFactory: " + validatorFactory + ".");
	out.print("</p>");

	ValidatorContext validatorContext = validatorFactory.usingContext();
	jakarta.validation.Validator beanValidator = validatorContext.getValidator();

	out.print("<h1>");
	out.print("Validating person class using validateValue with valid property");
	out.print("</h1>");


	// Validation: Null entry in the list
	// List<@NotNull String> listOfString in Employee.
	List<String> listOfString = new ArrayList<String>();
	listOfString.add("one");
	listOfString.add("two");
	listOfString.add(null);
	Set<ConstraintViolation<Employee>> violations =
	beanValidator.validateValue(Employee.class, "listOfString", listOfString);

	printConstraintViolationsOfBV2(out, violations, "case0");


	//Validation: Not null listOfString
	listOfString = new ArrayList<String>();
	listOfString.add("one");
	listOfString.add("two");
	listOfString.add("three");

	violations =
	beanValidator.validateValue(Employee.class, "listOfString", listOfString);

	printConstraintViolationsOfBV2(out, violations, "case1");


	out.print("<h1>");
	out.print("Validating person class using validateValue with invalid property");
	out.print("</h1>");

	try {
	violations =
	beanValidator.validateValue(simple_bv_servlet.Employee.class, "nonExistentProperty", listOfString);
	System.out.println("Check: should not print this");
	} catch (IllegalArgumentException iae) {
	out.print("<p>");
	out.print("case2: caught IllegalArgumentException. Message: " +
	iae.getMessage());
	out.print("</p>");
	System.out.println("Caught IllegalArgumentException: must pass test");
	}catch (Exception ex) {
	System.out.println("check: if any other exception?");
	ex.printStackTrace();
	}
	simple_bv_servlet.Employee person = new Employee();

	out.print("<h1>");
	out.print("Validating invalid person instance using validate.");
	out.print("</h1>");

	violations = beanValidator.validate(person);

	printConstraintViolationsOfBV2(out, violations, "case3");

	out.print("<h1>");
	out.print("Validating valid person.");
	out.print("</h1>");

	//validate the person. Invalid email format. (@Email)
	person.setFirstName("John");
	person.setLastName("Yaya");
	person.setAge(30);
	person.setEmail("johy.yaya-abc.com");
	person.setListOfString(listOfString);

	violations = beanValidator.validate(person);
	printConstraintViolationsOfBV2(out, violations, "case4");

	//validate email (@Email)
	person.setEmail("johy.yaha@abc.com");
	violations = beanValidator.validate(person);
	printConstraintViolationsOfBV2(out, violations, "case5");

	///validate that the age is greater than 25 (@Min 20, @Min 25)
	person.setAge(22);
	violations = beanValidator.validate(person);
	printConstraintViolationsOfBV2(out, violations, "case6");


	//validate that the age is within 50. (@Max 50 and @Max 60)
	person.setAge(52);
	violations = beanValidator.validate(person);
	printConstraintViolationsOfBV2(out, violations, "case7");



	out.print("</body></html>");
	}

	private void printConstraintViolationsOfBV2(PrintWriter out,
	Set<ConstraintViolation<Employee>> violations, String caseId) {
	if (violations.isEmpty()) {
	out.print("<p>");
	out.print(caseId + ": No ConstraintViolations found.");
	out.print("</p>");
	} else {
	for (ConstraintViolation<Employee> curViolation : violations) {
	out.print("<p>");
	out.print(caseId + ": ConstraintViolation: message: " + curViolation.getMessage() +
	" propertyPath: " + curViolation.getPropertyPath());
	out.print("</p>");
	}
	}
	}
	private void printConstraintViolations(PrintWriter out,
	Set<ConstraintViolation<Person>> violations, String caseId) {
	if (violations.isEmpty()) {
	out.print("<p>");
	out.print(caseId + ": No ConstraintViolations found.");
	out.print("</p>");
	} else {
	for (ConstraintViolation<Person> curViolation : violations) {
	out.print("<p>");
	out.print(caseId + ": ConstraintViolation: message: " + curViolation.getMessage() +
	" propertyPath: " + curViolation.getPropertyPath());
	out.print("</p>");
	}
	}
	}
	}