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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.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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private final S2Container container; |
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49 | 12 | public MultipartRequestParserImpl(final S2Container container) { |
50 | 12 | this.container = container; |
51 | 12 | } |
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@SuppressWarnings("unchecked") |
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public Map<String, Object[]> getParameterMap( |
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final HttpServletRequest request) { |
56 | 2 | final Map<String, Object[]> parameterMap = new HashMap<String, Object[]>( |
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request.getParameterMap()); |
58 | 2 | if (ServletFileUpload.isMultipartContent(request)) { |
59 | 0 | final S2Container root = container.getRoot(); |
60 | 0 | final FileUpload fileUpload = (FileUpload) root |
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.getComponent(FileUpload.class); |
62 | 0 | final RequestContext requestContext = (RequestContext) root |
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.getComponent(RequestContext.class); |
64 | 0 | parameterMap.putAll(this.getMultipartParameterMap(fileUpload, |
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requestContext)); |
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} |
67 | 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 { |
74 | 0 | final String encoding = requestContext.getCharacterEncoding(); |
75 | 0 | fileUpload.setHeaderEncoding(encoding); |
76 | 0 | final List<FileItem> items = fileUpload |
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.parseRequest(requestContext); |
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|
80 | 0 | final Map<String, Object[]> parameterMap = toParameterMap(encoding, |
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items); |
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|
83 | 0 | return parameterMap; |
84 | 0 | } catch (final FileUploadException e) { |
85 | 0 | throw new FileUploadRuntimeException(e); |
86 | 0 | } catch (final IOException e) { |
87 | 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 { |
93 | 0 | final Map<String, List<Object>> valueListParameterMap = new LinkedHashMap<String, List<Object>>(); |
94 | 0 | for (final FileItem item : items) { |
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final Object value; |
96 | 0 | if (item.isFormField()) { |
97 | 0 | value = item.getString(encoding); |
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} else { |
99 | 0 | if (StringUtil.isEmpty(item.getName()) || item.getSize() == 0) { |
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|
101 | 0 | value = null; |
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} else { |
103 | 0 | value = item; |
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} |
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} |
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final List<Object> values; |
107 | 0 | if (valueListParameterMap.containsKey(item.getFieldName())) { |
108 | 0 | values = valueListParameterMap.get(item.getFieldName()); |
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} else { |
110 | 0 | values = new ArrayList<Object>(); |
111 | 0 | valueListParameterMap.put(item.getFieldName(), values); |
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} |
113 | 0 | values.add(value); |
114 | 0 | } |
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|
116 | 0 | final Map<String, Object[]> parameterMap = fromValueListToValueArray(valueListParameterMap); |
117 | 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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|
123 | 0 | final Map<String, Object[]> parameterMap = new HashMap<String, Object[]>(); |
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for (final Entry<String, List<Object>> entry : collectParameterMap |
125 | 0 | .entrySet()) { |
126 | 0 | final List<Object> values = entry.getValue(); |
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final Object[] valueArray; |
128 | 0 | if (values.get(0) instanceof String) { |
129 | 0 | valueArray = new String[values.size()]; |
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} else { |
131 | 0 | valueArray = new FileItem[values.size()]; |
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} |
133 | 0 | parameterMap.put(entry.getKey(), values.toArray(valueArray)); |
134 | 0 | } |
135 | 0 | return parameterMap; |
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} |
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} |