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package org.seasar.cubby.controller.impl; |
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import static org.seasar.cubby.internal.util.LogMessages.format; |
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import java.io.IOException; |
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import java.io.UnsupportedEncodingException; |
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import java.util.ArrayList; |
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import java.util.HashMap; |
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import java.util.LinkedHashMap; |
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import java.util.List; |
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import java.util.Map; |
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import java.util.Map.Entry; |
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import javax.servlet.http.HttpServletRequest; |
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import org.apache.commons.fileupload.FileItem; |
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import org.apache.commons.fileupload.FileUpload; |
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import org.apache.commons.fileupload.FileUploadBase; |
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import org.apache.commons.fileupload.FileUploadException; |
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import org.apache.commons.fileupload.RequestContext; |
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import org.apache.commons.fileupload.FileUploadBase.SizeLimitExceededException; |
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import org.seasar.cubby.controller.RequestParseException; |
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import org.seasar.cubby.controller.RequestParser; |
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import org.seasar.cubby.internal.util.StringUtils; |
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import org.seasar.cubby.spi.ContainerProvider; |
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import org.seasar.cubby.spi.ProviderFactory; |
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import org.seasar.cubby.spi.container.Container; |
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import org.seasar.cubby.spi.container.LookupException; |
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55 | 4 | public class MultipartRequestParser implements RequestParser { |
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@SuppressWarnings("unchecked") |
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public Map<String, Object[]> getParameterMap( |
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final HttpServletRequest request) { |
86 | 3 | final Map<String, Object[]> parameterMap = new HashMap<String, Object[]>( |
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request.getParameterMap()); |
88 | 3 | final Container container = ProviderFactory |
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.get(ContainerProvider.class).getContainer(); |
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try { |
91 | 3 | final RequestContext requestContext = container |
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.lookup(RequestContext.class); |
93 | 3 | final FileUpload fileUpload = container.lookup(FileUpload.class); |
94 | 3 | final Map<String, Object[]> multipartParameterMap = getMultipartParameterMap( |
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fileUpload, requestContext); |
96 | 2 | parameterMap.putAll(multipartParameterMap); |
97 | 2 | return parameterMap; |
98 | 0 | } catch (final LookupException e) { |
99 | 0 | throw new IllegalStateException(e); |
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} |
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} |
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@SuppressWarnings("unchecked") |
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Map<String, Object[]> getMultipartParameterMap(final FileUpload fileUpload, |
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final RequestContext requestContext) { |
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try { |
107 | 3 | final String encoding = requestContext.getCharacterEncoding(); |
108 | 3 | fileUpload.setHeaderEncoding(encoding); |
109 | 3 | final List<FileItem> items = fileUpload |
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.parseRequest(requestContext); |
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113 | 2 | final Map<String, Object[]> parameterMap = toParameterMap(encoding, |
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items); |
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116 | 2 | return parameterMap; |
117 | 1 | } catch (final FileUploadException e) { |
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final String messageCode; |
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final Object[] args; |
120 | 1 | if (e instanceof SizeLimitExceededException) { |
121 | 0 | final SizeLimitExceededException sle = (SizeLimitExceededException) e; |
122 | 0 | messageCode = "ECUB0202"; |
123 | 0 | args = new Object[] { sle.getPermittedSize(), |
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sle.getActualSize() }; |
125 | 0 | } else { |
126 | 1 | messageCode = "ECUB0201"; |
127 | 1 | args = new Object[] { e }; |
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} |
129 | 1 | throw new RequestParseException(format(messageCode, args), e); |
130 | 0 | } catch (final IOException e) { |
131 | 0 | throw new RequestParseException(e); |
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} |
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} |
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Map<String, Object[]> toParameterMap(final String encoding, |
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final List<FileItem> items) throws UnsupportedEncodingException { |
137 | 2 | final Map<String, List<Object>> valueListParameterMap = new LinkedHashMap<String, List<Object>>(); |
138 | 2 | for (final FileItem item : items) { |
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final Object value; |
140 | 4 | if (item.isFormField()) { |
141 | 3 | value = item.getString(encoding); |
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} else { |
143 | 1 | if (StringUtils.isEmpty(item.getName()) || item.getSize() == 0) { |
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145 | 0 | value = null; |
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} else { |
147 | 1 | value = item; |
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} |
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} |
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final List<Object> values; |
151 | 4 | if (valueListParameterMap.containsKey(item.getFieldName())) { |
152 | 1 | values = valueListParameterMap.get(item.getFieldName()); |
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} else { |
154 | 3 | values = new ArrayList<Object>(); |
155 | 3 | valueListParameterMap.put(item.getFieldName(), values); |
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} |
157 | 4 | values.add(value); |
158 | 4 | } |
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160 | 2 | final Map<String, Object[]> parameterMap = fromValueListMapToValueArrayMap(valueListParameterMap); |
161 | 2 | return parameterMap; |
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} |
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Map<String, Object[]> fromValueListMapToValueArrayMap( |
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final Map<String, List<Object>> valueListMap) { |
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167 | 2 | final Map<String, Object[]> parameterMap = new HashMap<String, Object[]>(); |
168 | 2 | for (final Entry<String, List<Object>> entry : valueListMap.entrySet()) { |
169 | 3 | final List<Object> values = entry.getValue(); |
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final Object[] valueArray; |
171 | 3 | if (values.get(0) instanceof String) { |
172 | 2 | valueArray = new String[values.size()]; |
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} else { |
174 | 1 | valueArray = new FileItem[values.size()]; |
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} |
176 | 3 | parameterMap.put(entry.getKey(), values.toArray(valueArray)); |
177 | 3 | } |
178 | 2 | return parameterMap; |
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} |
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public boolean isParsable(final HttpServletRequest request) { |
191 | 3 | final Container container = ProviderFactory |
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.get(ContainerProvider.class).getContainer(); |
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try { |
194 | 3 | final RequestContext requestContext = container |
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.lookup(RequestContext.class); |
196 | 3 | return FileUploadBase.isMultipartContent(requestContext); |
197 | 0 | } catch (final LookupException e) { |
198 | 0 | return false; |
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} |
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} |
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} |