[pal-cvs 2780] [515] added servlet filter

svnno****@sourc***** svnno****@sourc*****
2007年 9月 1日 (土) 08:14:01 JST


Revision: 515
          http://svn.sourceforge.jp/cgi-bin/viewcvs.cgi?root=pal&view=rev&rev=515
Author:   shinsuke
Date:     2007-09-01 08:14:00 +0900 (Sat, 01 Sep 2007)

Log Message:
-----------
added servlet filter

Added Paths:
-----------
    libraries/jsf4portlet/trunk/src/main/java/jp/sf/pal/jsf/filter/FileUploadFilter.java


-------------- next part --------------
Added: libraries/jsf4portlet/trunk/src/main/java/jp/sf/pal/jsf/filter/FileUploadFilter.java
===================================================================
--- libraries/jsf4portlet/trunk/src/main/java/jp/sf/pal/jsf/filter/FileUploadFilter.java	2007-08-31 23:13:25 UTC (rev 514)
+++ libraries/jsf4portlet/trunk/src/main/java/jp/sf/pal/jsf/filter/FileUploadFilter.java	2007-08-31 23:14:00 UTC (rev 515)
@@ -0,0 +1,125 @@
+/*
+ * Copyright 2005-2007 Portal Application Laboratory project.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, 
+ * either express or implied. See the License for the specific language
+ * governing permissions and limitations under the License.
+ */
+package jp.sf.pal.jsf.filter;
+
+import java.io.IOException;
+
+import javax.servlet.Filter;
+import javax.servlet.FilterChain;
+import javax.servlet.FilterConfig;
+import javax.servlet.ServletException;
+import javax.servlet.ServletRequest;
+import javax.servlet.ServletResponse;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import jp.sf.pal.jsf.multipart.MultipartRequestWrapper;
+
+import org.apache.commons.fileupload.servlet.ServletFileUpload;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+
+public class FileUploadFilter implements Filter {
+
+    private Log log = LogFactory.getLog(FileUploadFilter.class);
+
+    public static final String FILE_UPLOAD_FILTER_CALLED = "jp.sf.pal.jsf.filter.FileUploadFilter.Called";
+
+    private int uploadMaxFileSize = 100 * 1024 * 1024; // 10 MB
+
+    private int uploadThresholdSize = 1 * 1024 * 1024; // 1 MB
+
+    private String uploadRepositoryPath = null; //standard temp directory
+
+    /**
+     * Init method for this filter
+     */
+    public void init(FilterConfig filterConfig) {
+
+        String param = filterConfig.getInitParameter("uploadMaxFileSize");
+
+        uploadMaxFileSize = resolveSize(param, uploadMaxFileSize);
+
+        param = filterConfig.getInitParameter("uploadThresholdSize");
+
+        uploadThresholdSize = resolveSize(param, uploadThresholdSize);
+
+        uploadRepositoryPath = filterConfig
+                .getInitParameter("uploadRepositoryPath");
+
+    }
+
+    public void doFilter(ServletRequest request, ServletResponse response,
+            FilterChain chain) throws IOException, ServletException {
+        if (log.isDebugEnabled()) {
+            log.debug("called doFilter.");
+        }
+
+        if (request.getAttribute(FILE_UPLOAD_FILTER_CALLED) != null) {
+            chain.doFilter(request, response);
+            return;
+        }
+
+        request.setAttribute(FILE_UPLOAD_FILTER_CALLED, Boolean.TRUE);
+
+        if (!(response instanceof HttpServletResponse)
+                || !(request instanceof HttpServletRequest)) {
+            chain.doFilter(request, response);
+            return;
+        }
+
+        HttpServletRequest httpServletRequest = (HttpServletRequest) request;
+
+        // check multipart/form-data
+        if (ServletFileUpload.isMultipartContent(httpServletRequest)) {
+            httpServletRequest = new MultipartRequestWrapper(
+                    httpServletRequest, uploadMaxFileSize, uploadThresholdSize,
+                    uploadRepositoryPath);
+        }
+
+        chain.doFilter(httpServletRequest, response);
+
+    }
+
+    private int resolveSize(String param, int defaultValue) {
+        int numberParam = defaultValue;
+
+        if (param != null) {
+            param = param.toLowerCase();
+            int factor = 1;
+            String number = param;
+
+            if (param.endsWith("g")) {
+                factor = 1024 * 1024 * 1024;
+                number = param.substring(0, param.length() - 1);
+            } else if (param.endsWith("m")) {
+                factor = 1024 * 1024;
+                number = param.substring(0, param.length() - 1);
+            } else if (param.endsWith("k")) {
+                factor = 1024;
+                number = param.substring(0, param.length() - 1);
+            }
+
+            numberParam = Integer.parseInt(number) * factor;
+        }
+        return numberParam;
+    }
+
+    public void destroy() {
+        // nothing
+    }
+
+}


Property changes on: libraries/jsf4portlet/trunk/src/main/java/jp/sf/pal/jsf/filter/FileUploadFilter.java
___________________________________________________________________
Name: svn:eol-style
   + native


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