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liblab SDK update for version v0.9.0-alpha.3
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25 changes: 25 additions & 0 deletions
25
src/main/java/com/salad/cloud/imdssdk/validation/Violation.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,25 @@ | ||
| package com.salad.cloud.imdssdk.validation; | ||
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| public class Violation { | ||
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| private final String path; | ||
| private final String message; | ||
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| public Violation(String path, String message) { | ||
| this.path = path; | ||
| this.message = message; | ||
| } | ||
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| public String getPath() { | ||
| return path; | ||
| } | ||
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| public String getMessage() { | ||
| return message; | ||
| } | ||
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| @Override | ||
| public String toString() { | ||
| return String.format("%s: %s", path, message); | ||
| } | ||
| } |
30 changes: 30 additions & 0 deletions
30
src/main/java/com/salad/cloud/imdssdk/validation/ViolationAggregator.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,30 @@ | ||
| package com.salad.cloud.imdssdk.validation; | ||
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| import com.salad.cloud.imdssdk.validation.exceptions.ValidationException; | ||
| import com.salad.cloud.imdssdk.validation.validators.AbstractValidator; | ||
| import java.util.ArrayList; | ||
| import java.util.Arrays; | ||
| import java.util.List; | ||
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| public class ViolationAggregator { | ||
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| List<Violation> violations = new ArrayList<>(); | ||
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| public <T> ViolationAggregator add(AbstractValidator<T> validator, T value) { | ||
| Violation[] violations = validator.validate(value); | ||
| if (violations.length > 0) { | ||
| this.violations.addAll(Arrays.asList(violations)); | ||
| } | ||
| return this; | ||
| } | ||
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| public Violation[] aggregate() { | ||
| return violations.toArray(new Violation[0]); | ||
| } | ||
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| public void validateAll() { | ||
| if (!violations.isEmpty()) { | ||
| throw new ValidationException(aggregate()); | ||
| } | ||
| } | ||
| } |
28 changes: 28 additions & 0 deletions
28
src/main/java/com/salad/cloud/imdssdk/validation/exceptions/ValidationException.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,28 @@ | ||
| package com.salad.cloud.imdssdk.validation.exceptions; | ||
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| import com.salad.cloud.imdssdk.validation.Violation; | ||
| import lombok.Getter; | ||
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| public class ValidationException extends RuntimeException { | ||
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| @Getter | ||
| private final Violation[] violations; | ||
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| public ValidationException(Violation[] violations) { | ||
| super(); | ||
| this.violations = violations; | ||
| } | ||
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| @Override | ||
| public String getMessage() { | ||
| return "Validation failed with the following violations: " + this.buildViolationsString(); | ||
| } | ||
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| private String buildViolationsString() { | ||
| StringBuilder sb = new StringBuilder(); | ||
| for (Violation violation : this.violations) { | ||
| sb.append(violation.toString()).append("\n"); | ||
| } | ||
| return sb.toString(); | ||
| } | ||
| } |
23 changes: 23 additions & 0 deletions
23
src/main/java/com/salad/cloud/imdssdk/validation/validators/AbstractValidator.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,23 @@ | ||
| package com.salad.cloud.imdssdk.validation.validators; | ||
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| public abstract class AbstractValidator<T> implements Validator<T> { | ||
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| private String fieldName; | ||
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| public AbstractValidator(String fieldName) { | ||
| this.fieldName = fieldName; | ||
| } | ||
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| public AbstractValidator() { | ||
| this.fieldName = ""; | ||
| } | ||
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| public String getFieldName() { | ||
| return fieldName; | ||
| } | ||
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| public AbstractValidator<T> setFieldName(String fieldName) { | ||
| this.fieldName = fieldName; | ||
| return this; | ||
| } | ||
| } |
70 changes: 70 additions & 0 deletions
70
src/main/java/com/salad/cloud/imdssdk/validation/validators/ListValidator.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,70 @@ | ||
| package com.salad.cloud.imdssdk.validation.validators; | ||
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| import com.salad.cloud.imdssdk.validation.Violation; | ||
| import java.util.ArrayList; | ||
| import java.util.List; | ||
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| public class ListValidator<T> extends AbstractValidator<List<T>> { | ||
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| private AbstractValidator<T> itemValidator; | ||
| private Integer minLength; | ||
| private Integer maxLength; | ||
| private Boolean uniqueItems; | ||
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| public ListValidator(String fieldName) { | ||
| super(fieldName); | ||
| } | ||
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| public ListValidator() {} | ||
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| public ListValidator<T> minLength(Integer minLength) { | ||
| this.minLength = minLength; | ||
| return this; | ||
| } | ||
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| public ListValidator<T> maxLength(Integer maxLength) { | ||
| this.maxLength = maxLength; | ||
| return this; | ||
| } | ||
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| public ListValidator<T> uniqueItems(Boolean uniqueItems) { | ||
| this.uniqueItems = uniqueItems; | ||
| return this; | ||
| } | ||
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| public ListValidator<T> itemValidator(AbstractValidator<T> itemValidator) { | ||
| this.itemValidator = itemValidator; | ||
| return this; | ||
| } | ||
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| @Override | ||
| public Violation[] validate(List<T> list) { | ||
| List<Violation> errors = new ArrayList<>(); | ||
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| if (minLength != null && list.size() < minLength) { | ||
| errors.add(new Violation(getFieldName(), String.format("must have at least %d items", minLength))); | ||
| } | ||
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| if (maxLength != null && list.size() > maxLength) { | ||
| errors.add(new Violation(getFieldName(), String.format("must have at most %d items", maxLength))); | ||
| } | ||
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| if (uniqueItems != null && list.stream().distinct().count() != list.size()) { | ||
| errors.add(new Violation(getFieldName(), "must have unique items")); | ||
| } | ||
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| if (itemValidator != null) { | ||
| for (int i = 0; i < list.size(); i++) { | ||
| T item = list.get(i); | ||
| Violation[] itemErrors = itemValidator.setFieldName(String.valueOf(i)).validate(item); | ||
| for (Violation itemError : itemErrors) { | ||
| errors.add( | ||
| new Violation(String.format("%s[%s]", getFieldName(), itemValidator.getFieldName()), itemError.getMessage()) | ||
| ); | ||
| } | ||
| } | ||
| } | ||
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| return errors.toArray(new Violation[0]); | ||
| } | ||
| } |
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