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26 lines
1.1 KiB
26 lines
1.1 KiB
/// Checks the [input] against [pattern]. |
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/// |
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/// Throws an `Exception` containing the [parameterName] if the `pattern` does not match. |
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void checkPattern(final String input, final RegExp pattern, final String parameterName) { |
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if (!pattern.hasMatch(input)) { |
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throw Exception('Invalid value "$input" for parameter "$parameterName" with pattern "${pattern.pattern}"'); |
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} |
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} |
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/// Checks the [input] length against [minLength]. |
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/// |
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/// Throws an `Exception` containing the [parameterName] if the `input` is to short. |
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void checkMinLength(final String input, final int minLength, final String parameterName) { |
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if (input.length < minLength) { |
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throw Exception('Parameter "$input" has to be at least $minLength characters long'); |
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} |
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} |
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/// Checks the [input] length against [maxLength]. |
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/// |
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/// Throws an `Exception` containing the [parameterName] if the `input` is to long. |
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void checkMaxLength(final String input, final int maxLength, final String parameterName) { |
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if (input.length > maxLength) { |
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throw Exception('Parameter "$input" has to be at most $maxLength characters long'); |
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} |
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}
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