lor6
KevinGilmore
parent
0b98f0d211
commit
2f34e89546
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package com.baeldung.dynamicvalidation;
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import static java.lang.annotation.ElementType.ANNOTATION_TYPE;
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import static java.lang.annotation.ElementType.CONSTRUCTOR;
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import static java.lang.annotation.ElementType.FIELD;
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import static java.lang.annotation.ElementType.METHOD;
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import static java.lang.annotation.ElementType.PARAMETER;
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import java.lang.annotation.Retention;
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import java.lang.annotation.RetentionPolicy;
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import java.lang.annotation.Target;
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import javax.validation.Constraint;
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import javax.validation.Payload;
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@Constraint(validatedBy = { ContactInfoValidator.class })
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@Target({ METHOD, FIELD, ANNOTATION_TYPE, CONSTRUCTOR, PARAMETER })
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@Retention(RetentionPolicy.RUNTIME)
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public @interface ContactInfo {
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String message() default "Invalid value";
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Class<?>[] groups() default {};
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Class<? extends Payload>[] payload() default {};
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}
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package com.baeldung.dynamicvalidation;
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import java.util.regex.Pattern;
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import javax.validation.ConstraintValidator;
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import javax.validation.ConstraintValidatorContext;
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import org.springframework.beans.factory.annotation.Autowired;
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import com.baeldung.dynamicvalidation.dao.ContactInfoExpressionRepository;
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import com.baeldung.dynamicvalidation.model.ContactInfoExpression;
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public class ContactInfoValidator implements ConstraintValidator<ContactInfo, String> {
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@Autowired
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private ContactInfoExpressionRepository expressionRepository;
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@Override
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public void initialize(final ContactInfo contactInfo) {
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}
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@Override
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public boolean isValid(final String value, final ConstraintValidatorContext context) {
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String expressionType = System.getProperty("contactInfoType");
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System.out.println(expressionType);
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final ContactInfoExpression expression = expressionRepository.findOne(expressionType);
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if (expression != null) {
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final String pattern = expression.getPattern();
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if (Pattern.matches(pattern, value))
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return true;
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}
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return false;
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}
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}
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package com.baeldung.dynamicvalidation;
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import javax.annotation.security.RolesAllowed;
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import org.springframework.boot.SpringApplication;
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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@SpringBootApplication
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public class DynamicValidationApp {
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@RolesAllowed("*")
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public static void main(String[] args) {
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System.setProperty("security.basic.enabled", "false");
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SpringApplication.run(DynamicValidationApp.class, args);
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}
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}
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package com.baeldung.dynamicvalidation.config;
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import java.util.List;
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import javax.validation.Valid;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Controller;
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import org.springframework.ui.Model;
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import org.springframework.validation.BindingResult;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.bind.annotation.PostMapping;
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import org.springframework.web.bind.annotation.RequestParam;
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import org.springframework.web.bind.annotation.ResponseBody;
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import com.baeldung.dynamicvalidation.dao.ContactInfoExpressionRepository;
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import com.baeldung.dynamicvalidation.model.ContactInfoExpression;
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import com.baeldung.dynamicvalidation.model.Customer;
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@Controller
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public class CustomerController {
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@Autowired
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private ContactInfoExpressionRepository expressionRepository;
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@GetMapping("/customer")
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public String getCustomerPage(Model model) {
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model.addAttribute("contactInfoType", System.getProperty("contactInfoType"));
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return "customer";
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}
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@PostMapping("/customer")
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public String validateCustomer(@Valid final Customer customer, final BindingResult result, final Model model) {
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if (result.hasErrors()) {
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model.addAttribute("message", "The information is invalid!");
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} else {
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model.addAttribute("message", "The information is valid!");
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}
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model.addAttribute("contactInfoType", System.getProperty("contactInfoType"));
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return "customer";
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}
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@PostMapping("/updateContactInfoType")
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@ResponseBody
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public void updateContactInfoType(@RequestParam final String type) {
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System.setProperty("contactInfoType", type);
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}
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@GetMapping("/contactInfoTypes")
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@ResponseBody
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public List<ContactInfoExpression> getContactInfoType(Model model) {
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return expressionRepository.findAll();
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}
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}
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package com.baeldung.dynamicvalidation.config;
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import javax.sql.DataSource;
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import org.springframework.boot.autoconfigure.domain.EntityScan;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.Configuration;
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import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
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import org.springframework.jdbc.core.JdbcTemplate;
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import org.springframework.jdbc.datasource.embedded.EmbeddedDatabase;
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import org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseBuilder;
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import org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseType;
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@EnableJpaRepositories("com.baeldung.dynamicvalidation.dao")
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@EntityScan("com.baeldung.dynamicvalidation.model")
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@Configuration
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public class PersistenceConfig {
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@Bean
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public JdbcTemplate getJdbcTemplate() {
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return new JdbcTemplate(dataSource());
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}
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@Bean
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public DataSource dataSource() {
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EmbeddedDatabaseBuilder builder = new EmbeddedDatabaseBuilder();
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EmbeddedDatabase db = builder.setType(EmbeddedDatabaseType.H2).addScript("schema-expressions.sql").addScript("data-expressions.sql").build();
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return db;
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}
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}
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package com.baeldung.dynamicvalidation.dao;
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import org.springframework.data.jpa.repository.JpaRepository;
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import com.baeldung.dynamicvalidation.model.ContactInfoExpression;
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public interface ContactInfoExpressionRepository extends JpaRepository<ContactInfoExpression, String> {
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}
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package com.baeldung.dynamicvalidation.model;
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import javax.persistence.Column;
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import javax.persistence.Entity;
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import javax.persistence.Id;
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@Entity
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public class ContactInfoExpression {
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@Id
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@Column(name = "expression_type")
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private String type;
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private String pattern;
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public ContactInfoExpression() {
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}
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public ContactInfoExpression(final String type, final String pattern) {
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this.type = type;
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this.pattern = pattern;
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}
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public String getType() {
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return type;
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}
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public void setType(final String type) {
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this.type = type;
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}
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public String getPattern() {
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return pattern;
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}
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public void setPattern(final String pattern) {
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this.pattern = pattern;
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}
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}
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package com.baeldung.dynamicvalidation.model;
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import javax.persistence.Entity;
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import javax.persistence.GeneratedValue;
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import javax.persistence.GenerationType;
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import javax.persistence.Id;
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import com.baeldung.dynamicvalidation.ContactInfo;
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@Entity
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public class Customer {
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@Id
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@GeneratedValue(strategy = GenerationType.IDENTITY)
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private long id;
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@ContactInfo
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private String contactInfo;
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public Customer() {
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}
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public Customer(final long id, final String contactInfo) {
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this.id = id;
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this.contactInfo = contactInfo;
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}
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public String getContactInfo() {
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return contactInfo;
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}
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public void setContactInfo(final String contactInfo) {
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this.contactInfo = contactInfo;
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}
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public long getId() {
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return id;
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}
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public void setId(final long id) {
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this.id = id;
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}
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}
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insert into contact_info_expression values ('email','[a-z0-9!#$%&*+/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&*+/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?')
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insert into contact_info_expression values ('phone','^([0-9]( |-)?)?(\(?[0-9]{3}\)?|[0-9]{3})( |-)?([0-9]{3}( |-)?[0-9]{4}|[a-zA-Z0-9]{7})$')
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insert into contact_info_expression values ('website','^(http:\/\/www\.|https:\/\/www\.|http:\/\/|https:\/\/)?[a-z0-9]+([\-\.]{1}[a-z0-9]+)*\.[a-z]{2,5}(:[0-9]{1,5})?(\/.*)?$')
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create table contact_info_expression(
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expression_type varchar(50) not null,
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pattern varchar(500) not null,
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PRIMARY KEY ( expression_type )
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);
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@ -0,0 +1,41 @@
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1" />
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<title>Customer Page</title>
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<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.0/jquery.min.js"></script>
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<script>
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$(document).ready(function() {
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$.ajax({
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url: "contactInfoTypes"
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}).done(function(data) {
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var contactInfoType = $('#contactInfoType').text();
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$.each(data,function(key, value) {
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var o = new Option(value.type, value.type);
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if (value.type == contactInfoType) {
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o.selected = true;
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}
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$('#expressions').append(o);
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});
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});
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$('#expressions').change(function(){
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$.ajax({
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url: "updateContactInfoType",
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method:'POST',
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data:{type:$('#expressions').val()}
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});
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});
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});
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</script>
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</head>
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<body>
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<br />
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<form action="customer" method="POST">
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Contact Info: <input type="text" name="contactInfo" /> <br />
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Contact Info Type: <select id="expressions" ></select> <br />
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<input type="submit" value="Submit" />
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</form>
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<br /><br />
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<span th:text="${message}"></span><br />
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<span id="contactInfoType" th:text="${contactInfoType}" style="visibility:hidden"></span><br />
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</body>
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</html>
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