appserver/tests/quicklook/bean-validator/integration-test-servlet/src/java/integration_test_servlet/BVIntegrationTestServlet.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 integration_test_servlet;

 import java.io.ByteArrayInputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.PrintWriter;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Set;
 import jakarta.servlet.ServletException;
 import jakarta.servlet.http.HttpServlet;
 import jakarta.servlet.http.HttpServletRequest;
 import jakarta.servlet.http.HttpServletResponse;
 import jakarta.validation.Configuration;
 import jakarta.validation.ConstraintViolation;
 import jakarta.validation.Validation;
 import jakarta.validation.Validator;
 import jakarta.validation.ValidatorContext;
 import jakarta.validation.ValidatorFactory;
 import jakarta.validation.bootstrap.GenericBootstrap;

 public class BVIntegrationTestServlet extends HttpServlet {

     public static String validationXml =
 "<?xml version=\'1.0\' encoding=\'UTF-8\'?>\n" +
 "<constraint-mappings xmlns=\"http://jboss.org/xml/ns/javax/validation/mapping\"\n" +
 "  xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"\n" +
 "  xsi:schemaLocation=\"http://jboss.org/xml/ns/javax/validation/mapping validation-mapping-1.0.xsd\">\n" +
 "      <default-package>integration_test_servlet</default-package>\n" +
 "      <bean class=\"Person\" ignore-annotations=\"true\">\n" +
 "          <field name=\"firstName\" ignore-annotations=\"true\">\n" +
 "              <constraint annotation=\"jakarta.validation.constraints.NotNull\" />\n" +
 "          </field>\n" +
 "          <field name=\"lastName\" ignore-annotations=\"true\">\n" +
 "              <constraint annotation=\"jakarta.validation.constraints.NotNull\" />\n" +
 "          </field>\n" +
 "          <getter name=\"listOfString\"  ignore-annotations=\"true\">\n" +
 "              <constraint annotation=\"jakarta.validation.constraints.NotNull\" />\n" +
 "          </getter>\n" +
 "      </bean>\n" +
 "</constraint-mappings>\n";


     @Override
     protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
         PrintWriter out = resp.getWriter();
         resp.setContentType("text/html");
         out.print("<html><head><title>SimpleBVServlet</title></head><body>");

         jakarta.validation.Validator beanValidator = configureValidation(req, resp);

         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);
         } catch (IllegalArgumentException iae) {
             out.print("<p>");
             out.print("case2: caught IllegalArgumentException.  Message: " +
                     iae.getMessage());
             out.print("</p>");
         }
         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 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>");
             }
         }

     }


     private Validator configureValidation(HttpServletRequest req, HttpServletResponse resp) throws IOException {
         PrintWriter out = resp.getWriter();

         GenericBootstrap bootstrap = Validation.byDefaultProvider();
         Configuration config = bootstrap.configure();
         InputStream mappingsXml = new ByteArrayInputStream(validationXml.getBytes());
         config.addMapping(mappingsXml);
         ValidatorFactory factory = config.buildValidatorFactory();
         ValidatorContext validatorContext = factory.usingContext();
         Validator validator = validatorContext.getValidator();

         if (null == validator) {
             factory = Validation.byDefaultProvider().configure().buildValidatorFactory();
             validator = factory.getValidator();
         }

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


         return validator;
     }
 }
	/*
	* 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 integration_test_servlet;

	import java.io.ByteArrayInputStream;
	import java.io.IOException;
	import java.io.InputStream;
	import java.io.PrintWriter;
	import java.util.ArrayList;
	import java.util.List;
	import java.util.Set;
	import jakarta.servlet.ServletException;
	import jakarta.servlet.http.HttpServlet;
	import jakarta.servlet.http.HttpServletRequest;
	import jakarta.servlet.http.HttpServletResponse;
	import jakarta.validation.Configuration;
	import jakarta.validation.ConstraintViolation;
	import jakarta.validation.Validation;
	import jakarta.validation.Validator;
	import jakarta.validation.ValidatorContext;
	import jakarta.validation.ValidatorFactory;
	import jakarta.validation.bootstrap.GenericBootstrap;

	public class BVIntegrationTestServlet extends HttpServlet {

	public static String validationXml =
	"<?xml version=\'1.0\' encoding=\'UTF-8\'?>\n" +
	"<constraint-mappings xmlns=\"http://jboss.org/xml/ns/javax/validation/mapping\"\n" +
	" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"\n" +
	" xsi:schemaLocation=\"http://jboss.org/xml/ns/javax/validation/mapping validation-mapping-1.0.xsd\">\n" +
	" <default-package>integration_test_servlet</default-package>\n" +
	" <bean class=\"Person\" ignore-annotations=\"true\">\n" +
	" <field name=\"firstName\" ignore-annotations=\"true\">\n" +
	" <constraint annotation=\"jakarta.validation.constraints.NotNull\" />\n" +
	" </field>\n" +
	" <field name=\"lastName\" ignore-annotations=\"true\">\n" +
	" <constraint annotation=\"jakarta.validation.constraints.NotNull\" />\n" +
	" </field>\n" +
	" <getter name=\"listOfString\" ignore-annotations=\"true\">\n" +
	" <constraint annotation=\"jakarta.validation.constraints.NotNull\" />\n" +
	" </getter>\n" +
	" </bean>\n" +
	"</constraint-mappings>\n";


	@Override
	protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
	PrintWriter out = resp.getWriter();
	resp.setContentType("text/html");
	out.print("<html><head><title>SimpleBVServlet</title></head><body>");

	jakarta.validation.Validator beanValidator = configureValidation(req, resp);

	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);
	} catch (IllegalArgumentException iae) {
	out.print("<p>");
	out.print("case2: caught IllegalArgumentException. Message: " +
	iae.getMessage());
	out.print("</p>");
	}
	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 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>");
	}
	}

	}


	private Validator configureValidation(HttpServletRequest req, HttpServletResponse resp) throws IOException {
	PrintWriter out = resp.getWriter();

	GenericBootstrap bootstrap = Validation.byDefaultProvider();
	Configuration config = bootstrap.configure();
	InputStream mappingsXml = new ByteArrayInputStream(validationXml.getBytes());
	config.addMapping(mappingsXml);
	ValidatorFactory factory = config.buildValidatorFactory();
	ValidatorContext validatorContext = factory.usingContext();
	Validator validator = validatorContext.getValidator();

	if (null == validator) {
	factory = Validation.byDefaultProvider().configure().buildValidatorFactory();
	validator = factory.getValidator();
	}

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



	return validator;
	}
	}