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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.FieldInfo; |
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import org.seasar.cubby.action.MessageInfo; |
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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.ConversionFailure; |
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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.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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import org.seasar.cubby.spi.beans.ParameterizedClassDesc; |
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49 | 10 | public class RequestParameterBinderImpl implements RequestParameterBinder { |
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52 | 10 | private final ConversionHelper conversionHelper = new ConversionHelperImpl(); |
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public List<ConversionFailure> bind( |
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final Map<String, Object[]> parameterMap, final Object dest, |
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final ActionContext actionContext) { |
60 | 10 | final List<ConversionFailure> conversionFailures = new ArrayList<ConversionFailure>(); |
61 | 10 | if (parameterMap == null || parameterMap.isEmpty()) { |
62 | 1 | return conversionFailures; |
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} |
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65 | 9 | final ConverterProvider converterProvider = ProviderFactory |
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.get(ConverterProvider.class); |
67 | 9 | final BeanDesc beanDesc = BeanDescFactory.getBeanDesc(dest.getClass()); |
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final Collection<Attribute> attributes; |
69 | 9 | if (actionContext.isBindRequestParameterToAllProperties()) { |
70 | 9 | attributes = new ArrayList<Attribute>(); |
71 | 9 | attributes.addAll(beanDesc.findtPropertyAttributes()); |
72 | 9 | attributes.addAll(beanDesc |
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.findAttributesAnnotatedWith(RequestParameter.class)); |
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} else { |
75 | 0 | attributes = beanDesc |
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.findAttributesAnnotatedWith(RequestParameter.class); |
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} |
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79 | 9 | for (final Attribute attribute : attributes) { |
80 | 134 | final RequestParameter requestParameter = attribute |
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.getAnnotation(RequestParameter.class); |
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final String parameterName; |
84 | 134 | if (requestParameter != null |
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&& !StringUtils.isEmpty(requestParameter.name())) { |
86 | 4 | parameterName = requestParameter.name(); |
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} else { |
88 | 130 | parameterName = attribute.getName(); |
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} |
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91 | 134 | if (!parameterMap.containsKey(parameterName)) { |
92 | 29 | continue; |
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} |
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95 | 105 | final Object[] parameterValue = parameterMap.get(parameterName); |
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final Class<? extends Converter> converterType; |
98 | 105 | if (requestParameter != null) { |
99 | 8 | converterType = requestParameter.converter(); |
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} else { |
101 | 97 | converterType = null; |
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} |
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104 | 105 | final Object value = convert(converterProvider, parameterValue, |
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attribute.getType(), attribute.getParameterizedClassDesc(), |
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converterType, parameterName, conversionFailures); |
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108 | 105 | attribute.setValue(dest, value); |
109 | 105 | } |
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111 | 9 | return conversionFailures; |
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} |
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private Object convert(final ConverterProvider converterProvider, |
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final Object[] values, final Class<?> destClass, |
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final ParameterizedClassDesc parameterizedClassDesc, |
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final Class<? extends Converter> converterType, |
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final String parameterName, |
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final List<ConversionFailure> conversionFailures) { |
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final Converter converter; |
140 | 105 | if (converterType != null && !converterType.equals(Converter.class)) { |
141 | 4 | converter = converterProvider.getConverter(converterType); |
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} else { |
143 | 101 | final Class<?> componentType = values.getClass().getComponentType(); |
144 | 101 | converter = converterProvider |
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.getConverter(componentType, destClass); |
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} |
147 | 105 | if (converter != null) { |
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try { |
149 | 50 | return converter.convertToObject(values[0], destClass, |
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conversionHelper); |
151 | 19 | } catch (final ConversionException e) { |
152 | 19 | final FieldInfo fieldInfo = new FieldInfo(parameterName); |
153 | 19 | final MessageInfo messageInfo = e.getMessageInfo(); |
154 | 19 | final ConversionFailure conversionFaiure = new ConversionFailure( |
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parameterName, messageInfo, fieldInfo); |
156 | 19 | conversionFailures.add(conversionFaiure); |
157 | 19 | return null; |
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} |
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} |
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161 | 55 | if (destClass.isArray()) { |
162 | 46 | return convertToArray(converterProvider, values, destClass |
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.getComponentType(), parameterName, conversionFailures); |
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} |
165 | 9 | if (List.class.isAssignableFrom(destClass)) { |
166 | 3 | final List<Object> list = new ArrayList<Object>(); |
167 | 3 | convertToCollection(converterProvider, values, list, destClass, |
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parameterizedClassDesc, parameterName, conversionFailures); |
169 | 3 | return list; |
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} |
171 | 6 | if (Set.class.isAssignableFrom(destClass)) { |
172 | 1 | final Set<Object> set = new LinkedHashSet<Object>(); |
173 | 1 | convertToCollection(converterProvider, values, set, destClass, |
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parameterizedClassDesc, parameterName, conversionFailures); |
175 | 1 | return set; |
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} |
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try { |
179 | 5 | return convertToScalar(converterProvider, values[0], destClass); |
180 | 0 | } catch (final ConversionException e) { |
181 | 0 | final FieldInfo fieldInfo = new FieldInfo(parameterName); |
182 | 0 | final MessageInfo messageInfo = e.getMessageInfo(); |
183 | 0 | final ConversionFailure conversionFaiure = new ConversionFailure( |
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parameterName, messageInfo, fieldInfo); |
185 | 0 | conversionFailures.add(conversionFaiure); |
186 | 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, |
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final List<ConversionFailure> conversionFailures) { |
209 | 46 | final Object dest = Array.newInstance(componentType, values.length); |
210 | 139 | for (int i = 0; i < values.length; i++) { |
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try { |
212 | 93 | final Object convertedValue = convertToScalar( |
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converterProvider, values[i], componentType); |
214 | 74 | Array.set(dest, i, convertedValue); |
215 | 19 | } catch (final ConversionException e) { |
216 | 19 | final FieldInfo fieldInfo = new FieldInfo(parameterName, i); |
217 | 19 | final MessageInfo messageInfo = e.getMessageInfo(); |
218 | 19 | final ConversionFailure conversionFaiure = new ConversionFailure( |
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parameterName, messageInfo, fieldInfo); |
220 | 19 | conversionFailures.add(conversionFaiure); |
221 | 74 | } |
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} |
223 | 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 Class<?> type, |
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final ParameterizedClassDesc parameterizedClassDesc, |
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final String parameterName, |
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final List<ConversionFailure> conversionFailures) { |
250 | 4 | if (parameterizedClassDesc != null |
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&& parameterizedClassDesc.isParameterizedClass()) { |
252 | 4 | final Class<?> destElementType = parameterizedClassDesc |
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.getArguments()[0].getRawClass(); |
254 | 12 | for (int i = 0; i < values.length; i++) { |
255 | 8 | final Object value = values[i]; |
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try { |
257 | 8 | final Object convertedValue = convertToScalar( |
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converterProvider, value, destElementType); |
259 | 8 | collection.add(convertedValue); |
260 | 0 | } catch (final ConversionException e) { |
261 | 0 | collection.add(null); |
262 | 0 | final FieldInfo fieldInfo = new FieldInfo(parameterName, i); |
263 | 0 | final MessageInfo messageInfo = e.getMessageInfo(); |
264 | 0 | final ConversionFailure conversionFaiure = new ConversionFailure( |
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parameterName, messageInfo, fieldInfo); |
266 | 0 | conversionFailures.add(conversionFaiure); |
267 | 8 | } |
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} |
269 | 4 | } else { |
270 | 0 | for (final Object value : values) { |
271 | 0 | collection.add(value); |
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} |
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} |
274 | 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 { |
292 | 106 | if (value == null) { |
293 | 1 | return null; |
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} |
295 | 105 | if (destClass.isAssignableFrom(value.getClass())) { |
296 | 10 | return value; |
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} |
298 | 95 | final Converter converter = converterProvider.getConverter(value |
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.getClass(), destClass); |
300 | 95 | if (converter == null) { |
301 | 0 | return null; |
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} |
303 | 95 | return converter.convertToObject(value, destClass, conversionHelper); |
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} |
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} |