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package org.seasar.cubby.internal.controller.impl; |
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import java.lang.reflect.Array; |
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import java.util.Collection; |
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import org.seasar.cubby.action.RequestParameter; |
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import org.seasar.cubby.controller.FormWrapper; |
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import org.seasar.cubby.controller.FormWrapperFactory; |
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import org.seasar.cubby.converter.ConversionHelper; |
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import org.seasar.cubby.converter.Converter; |
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import org.seasar.cubby.converter.impl.ConversionHelperImpl; |
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import org.seasar.cubby.spi.ConverterProvider; |
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import org.seasar.cubby.spi.ProviderFactory; |
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import org.seasar.cubby.spi.beans.Attribute; |
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import org.seasar.cubby.spi.beans.BeanDesc; |
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import org.seasar.cubby.spi.beans.BeanDescFactory; |
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38 | 16 | public class FormWrapperFactoryImpl implements FormWrapperFactory { |
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41 | 9 | private final ConversionHelper conversionHelper = new ConversionHelperImpl(); |
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public FormWrapper create(final Object form) { |
47 | 9 | final FormWrapper formObject = new FormWrapperImpl(form); |
48 | 9 | return formObject; |
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} |
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56 | 9 | private class FormWrapperImpl implements FormWrapper { |
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private final Object form; |
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69 | 9 | private FormWrapperImpl(final Object form) { |
70 | 9 | this.form = form; |
71 | 9 | } |
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public boolean hasValues(final String name) { |
77 | 2 | if (this.form == null) { |
78 | 0 | return false; |
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} |
80 | 2 | final BeanDesc beanDesc = BeanDescFactory.getBeanDesc(this.form |
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.getClass()); |
82 | 2 | final Attribute attribute = findAttribute(beanDesc, name); |
83 | 2 | return attribute != null; |
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} |
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public String[] getValues(final String name) { |
90 | 20 | if (this.form == null) { |
91 | 0 | return null; |
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} |
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94 | 20 | final BeanDesc beanDesc = BeanDescFactory.getBeanDesc(this.form |
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.getClass()); |
96 | 20 | final Attribute attribute = findAttribute(beanDesc, name); |
97 | 20 | if (attribute == null) { |
98 | 4 | return null; |
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} |
100 | 16 | final Object value = attribute.getValue(this.form); |
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102 | 16 | if (value == null) { |
103 | 2 | return null; |
104 | 14 | } else if (value instanceof String[]) { |
105 | 0 | return (String[]) value; |
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} else { |
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final Class<? extends Converter> converterType; |
108 | 14 | if (attribute.isAnnotationPresent(RequestParameter.class)) { |
109 | 4 | final RequestParameter requestParameter = attribute |
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.getAnnotation(RequestParameter.class); |
111 | 4 | if (Converter.class.equals(requestParameter.converter())) { |
112 | 2 | converterType = null; |
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} else { |
114 | 2 | converterType = requestParameter.converter(); |
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} |
116 | 4 | } else { |
117 | 10 | converterType = null; |
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} |
119 | 14 | if (value.getClass().isArray()) { |
120 | 2 | final int length = Array.getLength(value); |
121 | 2 | final String[] array = (String[]) Array.newInstance( |
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String.class, length); |
123 | 8 | for (int i = 0; i < length; i++) { |
124 | 6 | final Object element = Array.get(value, i); |
125 | 6 | final String converted = convert(element, converterType); |
126 | 6 | Array.set(array, i, converted); |
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} |
128 | 2 | return array; |
129 | 12 | } else if (value instanceof Collection<?>) { |
130 | 2 | final Collection<?> collection = (Collection<?>) value; |
131 | 2 | final String[] array = (String[]) Array.newInstance( |
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String.class, collection.size()); |
133 | 2 | int i = 0; |
134 | 2 | for (final Object element : collection) { |
135 | 4 | final String converted = convert(element, converterType); |
136 | 4 | Array.set(array, i++, converted); |
137 | 4 | } |
138 | 2 | return array; |
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} else { |
140 | 10 | final String[] array = (String[]) Array.newInstance( |
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String.class, 1); |
142 | 10 | final String converted = convert(value, converterType); |
143 | 10 | Array.set(array, 0, converted); |
144 | 10 | return array; |
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} |
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} |
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} |
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private Attribute findAttribute(final BeanDesc beanDesc, |
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final String name) { |
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161 | 22 | for (final Attribute attribute : beanDesc.findAllAttributes()) { |
162 | 118 | if (attribute.isAnnotationPresent(RequestParameter.class)) { |
163 | 26 | final RequestParameter requestParameter = attribute |
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.getAnnotation(RequestParameter.class); |
165 | 26 | final String parameterName = requestParameter.name(); |
166 | 26 | if (parameterName == null || parameterName.length() == 0) { |
167 | 15 | if (name.equals(attribute.getName())) { |
168 | 2 | return attribute; |
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} |
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} else { |
171 | 11 | if (name.equals(parameterName)) { |
172 | 2 | return attribute; |
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} |
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} |
175 | 22 | } else { |
176 | 92 | if (name.equals(attribute.getName())) { |
177 | 14 | return attribute; |
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} |
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} |
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} |
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182 | 4 | return null; |
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} |
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private String convert(final Object value, |
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final Class<? extends Converter> converterType) { |
196 | 20 | if (value == null) { |
197 | 5 | return null; |
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} |
199 | 15 | final ConverterProvider converterProvider = ProviderFactory |
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.get(ConverterProvider.class); |
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final Converter converter; |
202 | 15 | if (converterType == null) { |
203 | 13 | converter = converterProvider.getConverter(null, value |
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.getClass()); |
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} else { |
206 | 2 | converter = converterProvider.getConverter(converterType); |
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} |
208 | 15 | if (converter == null) { |
209 | 8 | return value.toString(); |
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} else { |
211 | 7 | return converter.convertToString(value, conversionHelper); |
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} |
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} |
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} |
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} |