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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.ArrayList; |
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import java.util.Collection; |
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import java.util.LinkedHashSet; |
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import java.util.List; |
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import java.util.Map; |
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import java.util.Set; |
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import org.seasar.cubby.action.ActionContext; |
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import org.seasar.cubby.action.ActionErrors; |
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import org.seasar.cubby.action.FieldInfo; |
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import org.seasar.cubby.action.RequestParameter; |
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import org.seasar.cubby.converter.ConversionException; |
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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.internal.controller.RequestParameterBinder; |
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import org.seasar.cubby.internal.util.StringUtils; |
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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.BeanDesc; |
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import org.seasar.cubby.spi.beans.BeanDescFactory; |
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import org.seasar.cubby.spi.beans.ParameterizedClassDesc; |
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import org.seasar.cubby.spi.beans.PropertyDesc; |
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import org.seasar.cubby.validator.MessageInfo; |
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50 | 10 | public class RequestParameterBinderImpl implements RequestParameterBinder { |
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53 | 10 | private final ConversionHelper conversionHelper = new ConversionHelperImpl(); |
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public void bind(final Map<String, Object[]> parameterMap, |
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final Object dest, final ActionContext actionContext, |
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final ActionErrors errors) { |
61 | 10 | if (parameterMap == null || parameterMap.isEmpty()) { |
62 | 1 | return; |
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} |
64 | 9 | final ConverterProvider converterProvider = ProviderFactory |
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.get(ConverterProvider.class); |
66 | 9 | final BeanDesc destBeanDesc = BeanDescFactory.getBeanDesc(dest |
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.getClass()); |
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69 | 139 | for (final PropertyDesc destPropertyDesc : destBeanDesc |
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.getPropertyDescs()) { |
71 | 130 | final RequestParameter requestParameter = destPropertyDesc |
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.getAnnotation(RequestParameter.class); |
73 | 130 | if (!actionContext.isBindRequestParameterToAllProperties() |
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&& requestParameter == null) { |
75 | 0 | continue; |
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} |
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final String parameterName; |
79 | 130 | if (requestParameter != null |
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&& !StringUtils.isEmpty(requestParameter.name())) { |
81 | 2 | parameterName = requestParameter.name(); |
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} else { |
83 | 128 | parameterName = destPropertyDesc.getPropertyName(); |
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} |
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86 | 130 | if (!parameterMap.containsKey(parameterName)) { |
87 | 29 | continue; |
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} |
89 | 101 | final Object[] parameterValue = parameterMap.get(parameterName); |
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final Class<? extends Converter> converterType; |
92 | 101 | if (requestParameter != null) { |
93 | 4 | converterType = requestParameter.converter(); |
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} else { |
95 | 97 | converterType = null; |
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} |
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98 | 101 | final Object value = convert(converterProvider, parameterValue, |
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destPropertyDesc, converterType, parameterName, errors); |
100 | 101 | destPropertyDesc.setValue(dest, value); |
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} |
102 | 9 | } |
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private Object convert(final ConverterProvider converterProvider, |
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final Object[] values, final PropertyDesc destPropertyDesc, |
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final Class<? extends Converter> converterType, |
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final String parameterName, final ActionErrors errors) { |
123 | 101 | final Class<?> destClass = destPropertyDesc.getPropertyType(); |
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final Converter converter; |
126 | 101 | if (converterType != null && !converterType.equals(Converter.class)) { |
127 | 2 | converter = converterProvider.getConverter(converterType); |
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} else { |
129 | 99 | final Class<?> componentType = values.getClass().getComponentType(); |
130 | 99 | converter = converterProvider |
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.getConverter(componentType, destClass); |
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} |
133 | 101 | if (converter != null) { |
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try { |
135 | 48 | return converter.convertToObject(values[0], destClass, |
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conversionHelper); |
137 | 19 | } catch (final ConversionException e) { |
138 | 19 | final FieldInfo fieldInfo = new FieldInfo(parameterName); |
139 | 19 | final MessageInfo messageInfo = e.getMessageInfo(); |
140 | 19 | errors.add(messageInfo.builder().fieldNameKey(parameterName) |
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.toString(), fieldInfo); |
142 | 19 | return null; |
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} |
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} |
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146 | 53 | if (destClass.isArray()) { |
147 | 46 | return convertToArray(converterProvider, values, destClass |
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.getComponentType(), parameterName, errors); |
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} |
150 | 7 | if (List.class.isAssignableFrom(destClass)) { |
151 | 3 | final List<Object> list = new ArrayList<Object>(); |
152 | 3 | convertToCollection(converterProvider, values, list, |
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destPropertyDesc, parameterName, errors); |
154 | 3 | return list; |
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} |
156 | 4 | if (Set.class.isAssignableFrom(destClass)) { |
157 | 1 | final Set<Object> set = new LinkedHashSet<Object>(); |
158 | 1 | convertToCollection(converterProvider, values, set, |
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destPropertyDesc, parameterName, errors); |
160 | 1 | return set; |
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} |
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|
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try { |
164 | 3 | return convertToScalar(converterProvider, values[0], destClass); |
165 | 0 | } catch (final ConversionException e) { |
166 | 0 | final FieldInfo fieldInfo = new FieldInfo(parameterName); |
167 | 0 | final MessageInfo messageInfo = e.getMessageInfo(); |
168 | 0 | errors.add(messageInfo.builder().fieldNameKey(parameterName) |
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.toString(), fieldInfo); |
170 | 0 | return null; |
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} |
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} |
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private Object convertToArray(final ConverterProvider converterProvider, |
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final Object[] values, final Class<?> componentType, |
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final String parameterName, final ActionErrors errors) { |
188 | 46 | final Object dest = Array.newInstance(componentType, values.length); |
189 | 139 | for (int i = 0; i < values.length; i++) { |
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try { |
191 | 93 | final Object convertedValue = convertToScalar( |
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converterProvider, values[i], componentType); |
193 | 74 | Array.set(dest, i, convertedValue); |
194 | 19 | } catch (final ConversionException e) { |
195 | 19 | final FieldInfo fieldInfo = new FieldInfo(parameterName, i); |
196 | 19 | final MessageInfo messageInfo = e.getMessageInfo(); |
197 | 19 | errors.add(messageInfo.builder().fieldNameKey(parameterName) |
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.toString(), fieldInfo); |
199 | 74 | } |
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} |
201 | 46 | return dest; |
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} |
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private void convertToCollection(final ConverterProvider converterProvider, |
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final Object[] values, final Collection<Object> collection, |
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final PropertyDesc propertyDesc, final String parameterName, |
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final ActionErrors errors) { |
220 | 4 | if (propertyDesc.isParameterized()) { |
221 | 4 | final ParameterizedClassDesc parameterizedClassDesc = propertyDesc |
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.getParameterizedClassDesc(); |
223 | 4 | final Class<?> destElementType = parameterizedClassDesc |
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.getArguments()[0].getRawClass(); |
225 | 12 | for (int i = 0; i < values.length; i++) { |
226 | 8 | final Object value = values[i]; |
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try { |
228 | 8 | final Object convertedValue = convertToScalar( |
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converterProvider, value, destElementType); |
230 | 8 | collection.add(convertedValue); |
231 | 0 | } catch (final ConversionException e) { |
232 | 0 | collection.add(null); |
233 | 0 | final FieldInfo fieldInfo = new FieldInfo(parameterName, i); |
234 | 0 | final MessageInfo messageInfo = e.getMessageInfo(); |
235 | 0 | errors.add(messageInfo.builder() |
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.fieldNameKey(parameterName).toString(), fieldInfo); |
237 | 8 | } |
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} |
239 | 4 | } else { |
240 | 0 | for (final Object value : values) { |
241 | 0 | collection.add(value); |
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} |
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} |
244 | 4 | } |
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private Object convertToScalar(final ConverterProvider converterProvider, |
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final Object value, final Class<?> destClass) |
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throws ConversionException { |
262 | 104 | if (value == null) { |
263 | 1 | return null; |
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} |
265 | 103 | if (destClass.isAssignableFrom(value.getClass())) { |
266 | 8 | return value; |
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} |
268 | 95 | final Converter converter = converterProvider.getConverter(value |
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.getClass(), destClass); |
270 | 95 | if (converter == null) { |
271 | 0 | return null; |
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} |
273 | 95 | return converter.convertToObject(value, destClass, conversionHelper); |
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} |
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} |