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package org.seasar.cubby.controller.impl; |
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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.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.apache.commons.fileupload.servlet.ServletFileUpload; |
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import org.seasar.cubby.controller.RequestParser; |
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import org.seasar.cubby.exception.FileUploadRuntimeException; |
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import org.seasar.framework.container.S2Container; |
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import org.seasar.framework.exception.IORuntimeException; |
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import org.seasar.framework.util.StringUtil; |
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public class MultipartRequestParserImpl implements RequestParser { |
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static final int DEFAULT_PRIORITY = DefaultRequestParserImpl.DEFAULT_PRIORITY - 1; |
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private final S2Container container; |
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61 | 24 | private int priority = DEFAULT_PRIORITY; |
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69 | 24 | public MultipartRequestParserImpl(final S2Container container) { |
70 | 24 | this.container = container; |
71 | 24 | } |
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@SuppressWarnings("unchecked") |
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public Map<String, Object[]> getParameterMap( |
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final HttpServletRequest request) { |
104 | 2 | final Map<String, Object[]> parameterMap = new HashMap<String, Object[]>( |
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request.getParameterMap()); |
106 | 2 | if (ServletFileUpload.isMultipartContent(request)) { |
107 | 0 | final S2Container root = container.getRoot(); |
108 | 0 | final FileUpload fileUpload = (FileUpload) root |
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.getComponent(FileUpload.class); |
110 | 0 | final RequestContext requestContext = (RequestContext) root |
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.getComponent(RequestContext.class); |
112 | 0 | parameterMap.putAll(this.getMultipartParameterMap(fileUpload, |
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requestContext)); |
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} |
115 | 2 | return parameterMap; |
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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 { |
122 | 0 | final String encoding = requestContext.getCharacterEncoding(); |
123 | 0 | fileUpload.setHeaderEncoding(encoding); |
124 | 0 | final List<FileItem> items = fileUpload |
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.parseRequest(requestContext); |
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128 | 0 | final Map<String, Object[]> parameterMap = toParameterMap(encoding, |
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items); |
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131 | 0 | return parameterMap; |
132 | 0 | } catch (final FileUploadException e) { |
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final String messageCode; |
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final Object[] args; |
135 | 0 | if (e instanceof SizeLimitExceededException) { |
136 | 0 | final SizeLimitExceededException sle = (SizeLimitExceededException) e; |
137 | 0 | messageCode = "ECUB0202"; |
138 | 0 | args = new Object[] { sle.getPermittedSize(), |
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sle.getActualSize() }; |
140 | 0 | } else { |
141 | 0 | messageCode = "ECUB0201"; |
142 | 0 | args = new Object[] { e }; |
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} |
144 | 0 | throw new FileUploadRuntimeException(messageCode, args, e); |
145 | 0 | } catch (final IOException e) { |
146 | 0 | throw new IORuntimeException(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 { |
152 | 0 | final Map<String, List<Object>> valueListParameterMap = new LinkedHashMap<String, List<Object>>(); |
153 | 0 | for (final FileItem item : items) { |
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final Object value; |
155 | 0 | if (item.isFormField()) { |
156 | 0 | value = item.getString(encoding); |
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} else { |
158 | 0 | if (StringUtil.isEmpty(item.getName()) || item.getSize() == 0) { |
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160 | 0 | value = null; |
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} else { |
162 | 0 | value = item; |
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} |
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} |
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final List<Object> values; |
166 | 0 | if (valueListParameterMap.containsKey(item.getFieldName())) { |
167 | 0 | values = valueListParameterMap.get(item.getFieldName()); |
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} else { |
169 | 0 | values = new ArrayList<Object>(); |
170 | 0 | valueListParameterMap.put(item.getFieldName(), values); |
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} |
172 | 0 | values.add(value); |
173 | 0 | } |
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175 | 0 | final Map<String, Object[]> parameterMap = fromValueListToValueArray(valueListParameterMap); |
176 | 0 | return parameterMap; |
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} |
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Map<String, Object[]> fromValueListToValueArray( |
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final Map<String, List<Object>> collectParameterMap) { |
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182 | 0 | final Map<String, Object[]> parameterMap = new HashMap<String, Object[]>(); |
183 | 0 | for (final Entry<String, List<Object>> entry : collectParameterMap |
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.entrySet()) { |
185 | 0 | final List<Object> values = entry.getValue(); |
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final Object[] valueArray; |
187 | 0 | if (values.get(0) instanceof String) { |
188 | 0 | valueArray = new String[values.size()]; |
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} else { |
190 | 0 | valueArray = new FileItem[values.size()]; |
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} |
192 | 0 | parameterMap.put(entry.getKey(), values.toArray(valueArray)); |
193 | 0 | } |
194 | 0 | return parameterMap; |
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} |
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public boolean isParsable(final HttpServletRequest request) { |
201 | 7 | final S2Container root = container.getRoot(); |
202 | 7 | if (root.hasComponentDef(RequestContext.class)) { |
203 | 7 | final RequestContext requestContext = (RequestContext) root |
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.getComponent(RequestContext.class); |
205 | 7 | return FileUpload.isMultipartContent(requestContext); |
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} |
207 | 0 | return false; |
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} |
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public int getPriority() { |
217 | 11 | return priority; |
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} |
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public void setPriority(final int priority) { |
227 | 0 | this.priority = priority; |
228 | 0 | } |
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} |