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package org.seasar.cubby.validator; |
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import java.util.ArrayList; |
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import java.util.List; |
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import java.util.Map; |
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import org.seasar.cubby.action.ActionErrors; |
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import org.seasar.cubby.action.FieldInfo; |
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|
25 | 18 | public class FieldValidationRule implements ValidationRule { |
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27 | 1 | private static final Object[] EMPTY_VALUES = new Object[] { "" }; |
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private final String fieldName; |
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private final String fieldNameKey; |
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33 | 18 | private final List<ValidationInvoker> invokers = new ArrayList<ValidationInvoker>(); |
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public FieldValidationRule(final String fieldName, |
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final Validator... validators) { |
37 | 6 | this(fieldName, fieldName, validators); |
38 | 6 | } |
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public FieldValidationRule(final String fieldName, |
41 | 18 | final String fieldNameKey, final Validator... validators) { |
42 | 18 | this.fieldName = fieldName; |
43 | 18 | this.fieldNameKey = fieldNameKey; |
44 | 46 | for (final Validator validator : validators) { |
45 | 28 | final ValidationInvoker invoker = createInvoker(validator); |
46 | 28 | this.invokers.add(invoker); |
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} |
48 | 18 | } |
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public void apply(final Map<String, Object[]> params, final Object form, |
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final ActionErrors errors) { |
52 | 9 | final Object[] values = getValues(params, this.fieldName); |
53 | 9 | for (final ValidationInvoker invoker : this.invokers) { |
54 | 12 | invoker.invoke(values, errors); |
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} |
56 | 9 | } |
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private Object[] getValues(final Map<String, Object[]> params, |
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final String fieldName) { |
60 | 9 | final Object[] values = params.get(fieldName); |
61 | 9 | if (values != null) { |
62 | 5 | return values; |
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} |
64 | 4 | return EMPTY_VALUES; |
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} |
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public String getFieldName() { |
68 | 4 | return fieldName; |
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} |
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public String getFieldNameKey() { |
72 | 4 | return fieldNameKey; |
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} |
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private ValidationInvoker createInvoker(final Validator validator) { |
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final ValidationInvoker invoker; |
77 | 28 | if (validator instanceof ArrayFieldValidator) { |
78 | 3 | invoker = new ArrayFieldValidationInvoker( |
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(ArrayFieldValidator) validator); |
80 | 25 | } else if (validator instanceof ScalarFieldValidator) { |
81 | 25 | invoker = new ScalarFieldValidationInvoker( |
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(ScalarFieldValidator) validator); |
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} else { |
84 | 0 | throw new UnsupportedOperationException(); |
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} |
86 | 28 | return invoker; |
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} |
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interface ValidationInvoker { |
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void invoke(Object[] values, ActionErrors errors); |
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} |
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class ArrayFieldValidationInvoker implements ValidationInvoker { |
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private final ArrayFieldValidator validator; |
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99 | 3 | public ArrayFieldValidationInvoker(final ArrayFieldValidator validator) { |
100 | 3 | this.validator = validator; |
101 | 3 | } |
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public void invoke(final Object[] values, final ActionErrors errors) { |
104 | 3 | final ValidationContext context = new ValidationContext(); |
105 | 3 | final FieldInfo fieldInfo = new FieldInfo(fieldName); |
106 | 3 | this.validator.validate(context, values); |
107 | 3 | for (MessageInfo message : context.getMessageInfos()) { |
108 | 1 | errors.add(message.builder().fieldNameKey(fieldNameKey) |
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.toString(), fieldInfo); |
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} |
111 | 3 | } |
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} |
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class ScalarFieldValidationInvoker implements ValidationInvoker { |
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private final ScalarFieldValidator validator; |
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119 | 25 | public ScalarFieldValidationInvoker(final ScalarFieldValidator validator) { |
120 | 25 | this.validator = validator; |
121 | 25 | } |
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public void invoke(final Object[] values, final ActionErrors errors) { |
124 | 19 | for (int i = 0; i < values.length; i++) { |
125 | 10 | final ValidationContext context = new ValidationContext(); |
126 | 10 | final FieldInfo fieldInfo = new FieldInfo(fieldName, i); |
127 | 10 | this.validator.validate(context, values[i]); |
128 | 10 | for (final MessageInfo messageInfo : context.getMessageInfos()) { |
129 | 4 | final String message = messageInfo.builder().fieldNameKey( |
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fieldNameKey).toString(); |
131 | 4 | errors.add(message, fieldInfo); |
132 | 4 | } |
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} |
134 | 9 | } |
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} |
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} |