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package org.seasar.cubby.validator.validators; |
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import org.seasar.cubby.validator.BaseValidator; |
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import org.seasar.cubby.validator.ValidationContext; |
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import org.seasar.framework.util.StringUtil; |
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public class RangeValidator extends BaseValidator { |
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private final long min; |
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private final long max; |
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public RangeValidator(final long min, final long max) { |
30 | 3 | this(min, max, "valid.range"); |
31 | 3 | } |
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public RangeValidator(final long min, final long max, |
40 | 3 | final String messageKey) { |
41 | 3 | this.min = min; |
42 | 3 | this.max = max; |
43 | 3 | this.setMessageKey(messageKey); |
44 | 3 | } |
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public String validate(final ValidationContext ctx) { |
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final Object value = ctx.getValue(); |
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if (value instanceof String) { |
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String str = (String) value; |
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if (StringUtil.isEmpty(str)) { |
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return null; |
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} |
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try { |
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long longValue = Long.parseLong(str); |
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if (longValue >= min && longValue <= max) { |
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return null; |
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} |
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} catch (NumberFormatException e) { |
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} |
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} else if (value == null) { |
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return null; |
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} |
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return getMessage(getPropertyMessage(ctx.getName()), min, max); |
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} |
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} |