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ArgumentValidator.java
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ArgumentValidator.java
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/*******************************************************************************
* Copyright (c) 2016, 2021 Eurotech and/or its affiliates and others
*
* This program and the accompanying materials are made
* available under the terms of the Eclipse Public License 2.0
* which is available at https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Eurotech - initial API and implementation
*******************************************************************************/
package org.eclipse.kapua.commons.util;
import org.eclipse.kapua.KapuaIllegalArgumentException;
import org.eclipse.kapua.KapuaIllegalNullArgumentException;
import org.eclipse.kapua.model.KapuaNamedEntity;
import org.eclipse.kapua.model.KapuaNamedEntityCreator;
import javax.validation.constraints.NotNull;
import java.util.Collection;
import java.util.Date;
import java.util.Objects;
import org.checkerframework.checker.nullness.qual.Nullable;
/**
* Utility class to validate arguments passed in a parameters in service methods.
*
* @since 1.0
*/
public class ArgumentValidator {
private ArgumentValidator() {
}
/**
* Throws KapuaIllegalArgumentException if the supplied argValue does not matches specified validation expression.
*
* @param argValue
* @param validationRegex
* @param argName
* @throws KapuaIllegalArgumentException
*/
public static void match(String argValue, ValidationRegex validationRegex, String argName) throws KapuaIllegalArgumentException {
if (argValue != null && !validationRegex.getPattern().matcher(argValue).matches()) {
throw new KapuaIllegalArgumentException(argName, argValue);
}
}
/**
* Throws KapuaIllegalArgumentException if the supplied argValue1 is not equal to the supplied argValue2
*
* @param actual
* @param expected
* @param argName
* @throws KapuaIllegalArgumentException
*/
public static void areEqual(String actual, String expected, String argName)
throws KapuaIllegalArgumentException {
if (!Objects.equals(actual, expected)) {
throw new KapuaIllegalArgumentException(argName, actual);
}
}
/**
* Throws an KapuaIllegalNullArgumentException if the value for the specified argument is null.
*
* @param value
* @param argumentName
* @throws KapuaIllegalNullArgumentException
*/
public static void notNull(Object value, String argumentName)
throws KapuaIllegalNullArgumentException {
if (value == null) {
throw new KapuaIllegalNullArgumentException(argumentName);
}
}
/**
* Throws an KapuaIllegalNullArgumentException if the value for the specified argument is not null.
*
* @param value
* @param argumentName
* @throws KapuaIllegalNullArgumentException
*/
public static void isNull(Object value, String argumentName)
throws KapuaIllegalArgumentException {
if (value != null) {
throw new KapuaIllegalArgumentException(argumentName, value.toString());
}
}
/**
* Throws an KapuaIllegalNullArgumentException if the string value for the specified argument is not empty nor null.
*
* @param value
* @param argumentName
* @throws KapuaIllegalNullArgumentException
*/
public static void isEmptyOrNull(String value, String argumentName)
throws KapuaIllegalArgumentException {
if (!(value == null || value.trim().length() == 0)) {
throw new KapuaIllegalArgumentException(argumentName, value);
}
}
/**
* Throws an KapuaIllegalNullArgumentException if the string value for the specified argument is empty or null.
*
* @param value
* @param argumentName
* @throws KapuaIllegalNullArgumentException
*/
public static void notEmptyOrNull(String value, String argumentName)
throws KapuaIllegalNullArgumentException {
if (value == null || value.trim().length() == 0) {
throw new KapuaIllegalNullArgumentException(argumentName);
}
}
/**
* Throws an KapuaIllegalNullArgumentException if the array for the specified argument is empty or null.
*
* @param value
* @param argumentName
* @throws KapuaIllegalNullArgumentException
*/
public static void notEmptyOrNull(Object[] value, String argumentName)
throws KapuaIllegalNullArgumentException {
if (value == null || value.length == 0) {
throw new KapuaIllegalNullArgumentException(argumentName);
}
}
/**
* Throws an KapuaIllegalNullArgumentException if the collection for the specified argument is empty or null.
*
* @param value
* @param argumentName
* @throws KapuaIllegalNullArgumentException
*/
public static void notEmptyOrNull(Collection<?> value, String argumentName)
throws KapuaIllegalNullArgumentException {
if (value == null || value.isEmpty()) {
throw new KapuaIllegalNullArgumentException(argumentName);
}
}
/**
* Throws an KapuaIllegalNullArgumentException if the value for the specified argument is null.
*
* @param value
* @param argumentName
* @throws KapuaIllegalNullArgumentException
*/
public static void notNegative(long value, String argumentName)
throws KapuaIllegalNullArgumentException {
if (value < 0) {
throw new KapuaIllegalNullArgumentException(argumentName);
}
}
/**
* Throws an KapuaIllegalNullArgumentException if StartDate comes after EndDate.
*
* @param startDate
* @param endDate
* @throws KapuaIllegalArgumentException
*/
public static void dateRange(Date startDate, Date endDate)
throws KapuaIllegalArgumentException {
dateRange(startDate.getTime(), endDate.getTime());
}
/**
* Throws an KapuaIllegalNullArgumentException if StartDate comes after EndDate.
*
* @param startDate
* @param endDate
* @throws KapuaIllegalArgumentException
*/
public static void dateRange(long startDate, long endDate)
throws KapuaIllegalArgumentException {
if (startDate != -1 && endDate != -1 && startDate > endDate) {
throw new KapuaIllegalArgumentException("Date Range", "Start Date after End Date.");
}
}
/**
* Throws an KapuaIllegalArgumentException if the value for the specified argument is lower (<) than the minValue given or higher (>) than the maxValue given. Extremes included.
*
* @param value
* @param minValue
* @param maxValue
* @param argumentName
* @throws KapuaIllegalArgumentException
*/
public static void numRange(long value, long minValue, long maxValue, String argumentName)
throws KapuaIllegalArgumentException {
if (value < minValue) {
throw new KapuaIllegalArgumentException(argumentName, "Value less than allowed min value. Min value is " + minValue);
}
if (value > maxValue) {
throw new KapuaIllegalArgumentException(argumentName, "Value over than allowed max value. Max value is " + maxValue);
}
}
/**
* Throws a {@link KapuaIllegalArgumentException} if the {@link String} given has {@link String#length()} less than the #minLength given or greater than the #maxLength given.
*
* @param value The {@link String} to check
* @param minLength The minimum valid length. If {@code null} it means unbounded.
* @param maxLength The maximum valid length. If {@code null} it means unbounded.
* @param argumentName The argument name with will be used in the exception
* @throws KapuaIllegalArgumentException If the given {@link String} exceeds the given length limits.
*/
public static void lengthRange(@NotNull String value, @Nullable Integer minLength, @Nullable Integer maxLength, @NotNull String argumentName) throws KapuaIllegalArgumentException {
if (minLength != null && value.length() < minLength) {
throw new KapuaIllegalArgumentException(argumentName, "Value less than allowed min length. Min length is: " + minLength);
}
if (maxLength != null && value.length() > maxLength) {
throw new KapuaIllegalArgumentException(argumentName, "Value over than allowed max length. Max length is: " + maxLength);
}
}
/**
* Throws a {@link KapuaIllegalArgumentException} if the {@link Comparable} given has a value less than the min value given or greater than the max value given.
*
* @param value The {@link String} to check
* @param minValue The minimum valid value. If {@code null} it means unbounded.
* @param maxValue The maximum valid value. If {@code null} it means unbounded.
* @param argumentName The argument name with will be used in the exception
* @throws KapuaIllegalArgumentException If the given {@link String} exceeds the given length limits.
*/
public static <V extends Comparable<V>> void valueRange(@NotNull V value, @Nullable V minValue, @Nullable V maxValue, @NotNull String argumentName) throws KapuaIllegalArgumentException {
if (minValue != null && value.compareTo(minValue) < 0) {
throw new KapuaIllegalArgumentException(argumentName, "Value less than allowed min value. Min value is: " + minValue);
}
if (maxValue != null && value.compareTo(maxValue) > 0) {
throw new KapuaIllegalArgumentException(argumentName, "Value over than allowed max value. Max value is: " + maxValue);
}
}
/**
* Comprehensive validation method for the {@link KapuaNamedEntity#getName()} or {@link KapuaNamedEntityCreator#getName()} fields.
* <p>
* Same as {@link #validateEntityName(String, Integer, Integer, String)} but assumes default minimum length of 3 chars and maximum length of 255 chars.
*
* @param name The value to validate. Usually would be the {@link KapuaNamedEntity#getName()} or {@link KapuaNamedEntityCreator#getName()}, but other values could be provided
* @param argumentName The name of the argument to bundle with the {@link KapuaIllegalArgumentException}
* @throws KapuaIllegalNullArgumentException If the given value to validate is {@code null}.
* @throws KapuaIllegalArgumentException If other validations fails.
* @see ArgumentValidator#notEmptyOrNull(String, String)
* @see ArgumentValidator#lengthRange(String, Integer, Integer, String)
* @see ArgumentValidator#match(String, ValidationRegex, String)
* @since 1.2.0
*/
public static void validateEntityName(@Nullable String name, @NotNull String argumentName) throws KapuaIllegalNullArgumentException, KapuaIllegalArgumentException {
validateEntityName(name, 3, 255, argumentName);
}
/**
* Comprehensive validation method for the {@link KapuaNamedEntity#getName()} or {@link KapuaNamedEntityCreator#getName()} fields.
* <p>
* It invokes in sequence the three {@link ArgumentValidator} validation methods, using the provided parameters.
* <ul>
* <li>{@link #notEmptyOrNull(String, String)}</li>
* <li>{@link #lengthRange(String, Integer, Integer, String)}</li>
* <li>{@link #match(String, ValidationRegex, String)} with {@link CommonsValidationRegex#NAME_SPACE_REGEXP} </li>
* </ul>
*
* @param name The value to validate. Usually would be the {@link KapuaNamedEntity#getName()} or {@link KapuaNamedEntityCreator#getName()}, but other values could be provided
* @param minLength The minimum length of the field. If {@code null} the minLength validation is skipped
* @param maxLength The maximum length of the field. If {@code null} the maxLength validation is skipped
* @param argumentName The name of the argument to bundle with the {@link KapuaIllegalArgumentException}
* @throws KapuaIllegalNullArgumentException If the given value to validate is {@code null}.
* @throws KapuaIllegalArgumentException If other validations fails.
* @see ArgumentValidator#notEmptyOrNull(String, String)
* @see ArgumentValidator#lengthRange(String, Integer, Integer, String)
* @see ArgumentValidator#match(String, ValidationRegex, String)
* @since 1.2.0
*/
public static void validateEntityName(@Nullable String name, @Nullable Integer minLength, @Nullable Integer maxLength, @NotNull String argumentName) throws KapuaIllegalNullArgumentException, KapuaIllegalArgumentException {
notEmptyOrNull(name, argumentName);
lengthRange(name, minLength, maxLength, argumentName);
match(name, CommonsValidationRegex.NAME_SPACE_REGEXP, argumentName);
}
/**
* Comprehensive validation method for the job names.
* <p>
* Same as {@link #validateEntityName(String, String)} but allows colon to exists in the name.
*
* @param name The value to validate. Usually would be the {@link KapuaNamedEntity#getName()} or {@link KapuaNamedEntityCreator#getName()}, but other values could be provided
* @param argumentName The name of the argument to bundle with the {@link KapuaIllegalArgumentException}
* @throws KapuaIllegalNullArgumentException If the given value to validate is {@code null}.
* @throws KapuaIllegalArgumentException If other validations fails.
* @see ArgumentValidator#notEmptyOrNull(String, String)
* @see ArgumentValidator#lengthRange(String, Integer, Integer, String)
* @see ArgumentValidator#match(String, ValidationRegex, String)
* @since 1.2.0
*/
public static void validateJobName(@Nullable String name, @NotNull String argumentName) throws KapuaIllegalNullArgumentException, KapuaIllegalArgumentException {
validateJobName(name, 3, 255, argumentName);
}
/**
* Comprehensive validation method for the job names.
* <p>
* It invokes in sequence the three {@link ArgumentValidator} validation methods, using the provided parameters.
* <ul>
* <li>{@link #notEmptyOrNull(String, String)}</li>
* <li>{@link #lengthRange(String, Integer, Integer, String)}</li>
* <li>{@link #match(String, ValidationRegex, String)} with {@link CommonsValidationRegex#NAME_SPACE_COLON_REGEXP} </li>
* </ul>
*
* @param name The value to validate. Usually would be the {@link KapuaNamedEntity#getName()} or {@link KapuaNamedEntityCreator#getName()}, but other values could be provided
* @param minLength The minimum length of the field. If {@code null} the minLength validation is skipped
* @param maxLength The maximum length of the field. If {@code null} the maxLength validation is skipped
* @param argumentName The name of the argument to bundle with the {@link KapuaIllegalArgumentException}
* @throws KapuaIllegalNullArgumentException If the given value to validate is {@code null}.
* @throws KapuaIllegalArgumentException If other validations fails.
* @see ArgumentValidator#notEmptyOrNull(String, String)
* @see ArgumentValidator#lengthRange(String, Integer, Integer, String)
* @see ArgumentValidator#match(String, ValidationRegex, String)
* @since 1.2.0
*/
public static void validateJobName(@Nullable String name, @Nullable Integer minLength, @Nullable Integer maxLength, @NotNull String argumentName) throws KapuaIllegalNullArgumentException, KapuaIllegalArgumentException {
notEmptyOrNull(name, argumentName);
lengthRange(name, minLength, maxLength, argumentName);
match(name, CommonsValidationRegex.NAME_SPACE_COLON_REGEXP, argumentName);
}
}