Merge pull request #4168 from gunayus/master

Sample codes for BAEL-1746

spring-rest/src/main/java/com/baeldung/propertyeditor/PropertyEditorApplication.java

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+package com.baeldung.propertyeditor;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class PropertyEditorApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(PropertyEditorApplication.class, args);
+    }
+}

spring-rest/src/main/java/com/baeldung/propertyeditor/PropertyEditorRestController.java

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+package com.baeldung.propertyeditor;
+
+import org.springframework.http.MediaType;
+import org.springframework.web.bind.WebDataBinder;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.InitBinder;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import com.baeldung.propertyeditor.creditcard.CreditCard;
+import com.baeldung.propertyeditor.exotictype.editor.CustomExoticTypeEditor;
+import com.baeldung.propertyeditor.exotictype.model.ExoticType;
+
+@RestController
+@RequestMapping(value = "/property-editor")
+public class PropertyEditorRestController {
+
+    @GetMapping(value = "/credit-card/{card-no}", 
+        produces = MediaType.APPLICATION_JSON_UTF8_VALUE)
+    public CreditCard parseCreditCardNumber(@PathVariable("card-no") CreditCard creditCard) {
+        return creditCard;
+    }
+    
+    @GetMapping(value = "/exotic-type/{value}", 
+        produces = MediaType.APPLICATION_JSON_UTF8_VALUE)
+    public ExoticType parseExoticType(@PathVariable("value") ExoticType exoticType) {
+        return exoticType;
+    }
+    
+    @InitBinder
+    public void initBinder(WebDataBinder binder) {
+        binder.registerCustomEditor(ExoticType.class, new CustomExoticTypeEditor());
+    }
+    
+}

spring-rest/src/main/java/com/baeldung/propertyeditor/creditcard/CreditCard.java

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+package com.baeldung.propertyeditor.creditcard;
+
+public class CreditCard {
+
+    private String rawCardNumber;
+    
+    private Integer bankIdNo;
+    
+    private Integer accountNo;
+    
+    private Integer checkCode;
+    
+    public String getRawCardNumber() {
+        return rawCardNumber;
+    }
+    public void setRawCardNumber(String rawCardNumber) {
+        this.rawCardNumber = rawCardNumber;
+    }
+    
+    public Integer getBankIdNo() {
+        return bankIdNo;
+    }
+    public void setBankIdNo(Integer bankIdNo) {
+        this.bankIdNo = bankIdNo;
+    }
+    
+    public Integer getAccountNo() {
+        return accountNo;
+    }
+    public void setAccountNo(Integer accountNo) {
+        this.accountNo = accountNo;
+    }
+    
+    public Integer getCheckCode() {
+        return checkCode;
+    }
+    public void setCheckCode(Integer checkCode) {
+        this.checkCode = checkCode;
+    }
+    
+}

spring-rest/src/main/java/com/baeldung/propertyeditor/creditcard/CreditCardEditor.java

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+package com.baeldung.propertyeditor.creditcard;
+
+import java.beans.PropertyEditorSupport;
+
+import org.springframework.util.StringUtils;
+
+public class CreditCardEditor extends PropertyEditorSupport {
+
+    @Override
+    public String getAsText() {
+        CreditCard creditCard = (CreditCard) getValue();
+        
+        return creditCard == null ? "" : creditCard.getRawCardNumber();
+    }
+    
+    @Override
+    public void setAsText(String text) throws IllegalArgumentException {
+        if (StringUtils.isEmpty(text)) {
+            setValue(null);
+        } else {
+            CreditCard creditCard = new CreditCard();
+            creditCard.setRawCardNumber(text);
+            
+            String cardNo = text.replaceAll("-", "");
+            if (cardNo.length() != 16)
+                throw new IllegalArgumentException("Credit card format should be xxxx-xxxx-xxxx-xxxx");
+            
+            try {
+                creditCard.setBankIdNo( Integer.valueOf(cardNo.substring(0, 6)) );
+                creditCard.setAccountNo( Integer.valueOf(cardNo.substring(6, cardNo.length() - 1)) );
+                creditCard.setCheckCode( Integer.valueOf(cardNo.substring(cardNo.length() - 1)) );
+            } catch (NumberFormatException nfe) {
+                throw new IllegalArgumentException(nfe);
+            }
+            
+            setValue(creditCard);
+        }
+    }
+}

spring-rest/src/main/java/com/baeldung/propertyeditor/exotictype/editor/CustomExoticTypeEditor.java

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+package com.baeldung.propertyeditor.exotictype.editor;
+
+import java.beans.PropertyEditorSupport;
+
+import com.baeldung.propertyeditor.exotictype.model.ExoticType;
+
+public class CustomExoticTypeEditor extends PropertyEditorSupport {
+
+    @Override
+    public String getAsText() {
+        ExoticType exoticType = (ExoticType) getValue();
+
+        return exoticType == null ? "" : exoticType.getName();
+    }
+    
+    @Override
+    public void setAsText(String text) throws IllegalArgumentException {
+        ExoticType exoticType = new ExoticType();
+        exoticType.setName(text.toUpperCase());
+        
+        setValue(exoticType);
+    }
+}

spring-rest/src/main/java/com/baeldung/propertyeditor/exotictype/model/ExoticType.java

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+package com.baeldung.propertyeditor.exotictype.model;
+
+public class ExoticType {
+
+    private String name;
+        
+    public String getName() {
+        return name;
+    }
+    public void setName(String name) {
+        this.name = name;
+    }
+    
+}

spring-rest/src/test/java/com/baeldung/propertyeditor/creditcard/CreditCardEditorTest.java

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+package com.baeldung.propertyeditor.creditcard;
+
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.runners.MockitoJUnitRunner;
+
+import com.baeldung.propertyeditor.creditcard.CreditCard;
+import com.baeldung.propertyeditor.creditcard.CreditCardEditor;
+
+@RunWith(MockitoJUnitRunner.class)
+public class CreditCardEditorTest {
+    
+    private CreditCardEditor creditCardEditor;
+    
+    @Before
+    public void setup() {
+        creditCardEditor = new CreditCardEditor();
+    }
+    
+    @Test(expected=IllegalArgumentException.class)
+    public void whenInvalidCardNoWithLessDigits_thenThrowsException() {
+        creditCardEditor.setAsText("123-123-123-123");
+    }
+    
+    @Test(expected=IllegalArgumentException.class)
+    public void whenInvalidCardNoWithNonDigits_thenThrowsException() {
+        creditCardEditor.setAsText("1234-1234-xxxx-yyyy");
+    }
+    
+    @Test
+    public void whenCardNoWithNonDigits_parseCreditCard() {
+        creditCardEditor.setAsText("1234-5678-9123-4560");
+        
+        CreditCard creditCard = (CreditCard) creditCardEditor.getValue();
+        Assert.assertNotNull(creditCard);
+        
+        Assert.assertEquals(123456, creditCard.getBankIdNo().intValue());
+        Assert.assertEquals(789123456, creditCard.getAccountNo().intValue());
+        Assert.assertEquals(0, creditCard.getCheckCode().intValue());
+    }
+
+}