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From ma...@apache.org
Subject svn commit: r700526 - /tomcat/trunk/java/org/apache/catalina/servlets/CGIServlet.java
Date Tue, 30 Sep 2008 17:10:48 GMT
Author: markt
Date: Tue Sep 30 10:10:48 2008
New Revision: 700526

URL: http://svn.apache.org/viewvc?rev=700526&view=rev
Log:
Code clean up. Use generics. Remove used code and a couple of other Find Bugs issues.

Modified:
    tomcat/trunk/java/org/apache/catalina/servlets/CGIServlet.java

Modified: tomcat/trunk/java/org/apache/catalina/servlets/CGIServlet.java
URL: http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/catalina/servlets/CGIServlet.java?rev=700526&r1=700525&r2=700526&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/catalina/servlets/CGIServlet.java (original)
+++ tomcat/trunk/java/org/apache/catalina/servlets/CGIServlet.java Tue Sep 30 10:10:48 2008
@@ -340,9 +340,9 @@
         // Document the properties from ServletRequest
         out.println("<h1>ServletRequest Properties</h1>");
         out.println("<ul>");
-        Enumeration attrs = req.getAttributeNames();
+        Enumeration<String> attrs = req.getAttributeNames();
         while (attrs.hasMoreElements()) {
-            String attr = (String) attrs.nextElement();
+            String attr = attrs.nextElement();
             out.println("<li><b>attribute</b> " + attr + " = " +
                            req.getAttribute(attr));
         }
@@ -352,14 +352,14 @@
                        req.getContentLength());
         out.println("<li><b>contentType</b> = " +
                        req.getContentType());
-        Enumeration locales = req.getLocales();
+        Enumeration<Locale> locales = req.getLocales();
         while (locales.hasMoreElements()) {
-            Locale locale = (Locale) locales.nextElement();
+            Locale locale = locales.nextElement();
             out.println("<li><b>locale</b> = " + locale);
         }
-        Enumeration params = req.getParameterNames();
+        Enumeration<String> params = req.getParameterNames();
         while (params.hasMoreElements()) {
-            String param = (String) params.nextElement();
+            String param = params.nextElement();
             String values[] = req.getParameterValues(param);
             for (int i = 0; i < values.length; i++)
                 out.println("<li><b>parameter</b> " + param + " = " +
@@ -386,9 +386,9 @@
             for (int i = 0; i < cookies.length; i++)
                 out.println("<li><b>cookie</b> " + cookies[i].getName()
+" = " +cookies[i].getValue());
         }
-        Enumeration headers = req.getHeaderNames();
+        Enumeration<String> headers = req.getHeaderNames();
         while (headers.hasMoreElements()) {
-            String header = (String) headers.nextElement();
+            String header = headers.nextElement();
             out.println("<li><b>header</b> " + header + " = " +
                            req.getHeader(header));
         }
@@ -423,7 +423,7 @@
         out.println("<ul>");
         attrs = req.getAttributeNames();
         while (attrs.hasMoreElements()) {
-            String attr = (String) attrs.nextElement();
+            String attr = attrs.nextElement();
             out.println("<li><b>" + attr + "</b> = " +
                            req.getAttribute(attr));
         }
@@ -453,7 +453,7 @@
             out.println("<ul>");
             attrs = session.getAttributeNames();
             while (attrs.hasMoreElements()) {
-                String attr = (String) attrs.nextElement();
+                String attr = attrs.nextElement();
                 out.println("<li><b>" + attr + "</b> = " +
                                session.getAttribute(attr));
             }
@@ -475,7 +475,7 @@
         out.println("<ul>");
         params = getServletConfig().getInitParameterNames();
         while (params.hasMoreElements()) {
-            String param = (String) params.nextElement();
+            String param = params.nextElement();
             String value = getServletConfig().getInitParameter(param);
             out.println("<li><b>" + param + "</b> = " + value);
         }
@@ -501,7 +501,7 @@
         out.println("<ul>");
         params = getServletContext().getInitParameterNames();
         while (params.hasMoreElements()) {
-            String param = (String) params.nextElement();
+            String param = params.nextElement();
             String value = getServletContext().getInitParameter(param);
             out.println("<li><b>" + param + "</b> = " + value);
         }
@@ -513,7 +513,7 @@
         out.println("<ul>");
         attrs = getServletContext().getAttributeNames();
         while (attrs.hasMoreElements()) {
-            String attr = (String) attrs.nextElement();
+            String attr = attrs.nextElement();
             out.println("<li><b>" + attr + "</b> = " +
                            getServletContext().getAttribute(attr));
         }
@@ -665,7 +665,7 @@
         private File tmpDir = null;
 
         /** derived cgi environment */
-        private Hashtable env = null;
+        private Hashtable<String, String> env = null;
 
         /** cgi command to be invoked */
         private String command = null;
@@ -934,7 +934,6 @@
 
             // Add the CGI environment variables
             String sPathInfoOrig = null;
-            String sPathTranslatedOrig = null;
             String sPathInfoCGI = null;
             String sPathTranslatedCGI = null;
             String sCGIFullPath = null;
@@ -947,10 +946,6 @@
             sPathInfoOrig = this.pathInfo;
             sPathInfoOrig = sPathInfoOrig == null ? "" : sPathInfoOrig;
 
-            sPathTranslatedOrig = req.getPathTranslated();
-            sPathTranslatedOrig =
-                sPathTranslatedOrig == null ? "" : sPathTranslatedOrig;
-
             if (webAppRootDir == null ) {
                 // The app has not been deployed in exploded form
                 webAppRootDir = tmpDir.toString();
@@ -984,7 +979,8 @@
             envp.put("SERVER_PROTOCOL", nullsToBlanks(req.getProtocol()));
 
             int port = req.getServerPort();
-            Integer iPort = (port == 0 ? new Integer(-1) : new Integer(port));
+            Integer iPort =
+                (port == 0 ? Integer.valueOf(-1) : Integer.valueOf(port));
             envp.put("SERVER_PORT", iPort.toString());
 
             envp.put("REQUEST_METHOD", nullsToBlanks(req.getMethod()));
@@ -1033,8 +1029,6 @@
              */
             if (sPathInfoCGI != null && !("".equals(sPathInfoCGI))) {
                 sPathTranslatedCGI = context.getRealPath(sPathInfoCGI);
-            } else {
-                sPathTranslatedCGI = null;
             }
             if (sPathTranslatedCGI == null || "".equals(sPathTranslatedCGI)) {
                 //NOOP
@@ -1066,15 +1060,15 @@
              */
             int contentLength = req.getContentLength();
             String sContentLength = (contentLength <= 0 ? "" :
-                                     (new Integer(contentLength)).toString());
+                (Integer.valueOf(contentLength)).toString());
             envp.put("CONTENT_LENGTH", sContentLength);
 
 
-            Enumeration headers = req.getHeaderNames();
+            Enumeration<String> headers = req.getHeaderNames();
             String header = null;
             while (headers.hasMoreElements()) {
                 header = null;
-                header = ((String) headers.nextElement()).toUpperCase();
+                header = headers.nextElement().toUpperCase();
                 //REMIND: rewrite multiple headers as if received as single
                 //REMIND: change character set
                 //REMIND: I forgot what the previous REMIND means
@@ -1146,8 +1140,8 @@
             } 
 
             // create directories
-            String dirPath = new String (destPath.toString().substring(
-                    0,destPath.toString().lastIndexOf("/")));
+            String dirPath = destPath.toString().substring(
+                    0,destPath.toString().lastIndexOf("/"));
             File dir = new File(dirPath);
             dir.mkdirs();
 
@@ -1206,13 +1200,13 @@
             sb.append("</td></tr>");
 
             if (isValid()) {
-                Enumeration envk = env.keys();
+                Enumeration<String> envk = env.keys();
                 while (envk.hasMoreElements()) {
-                    String s = (String) envk.nextElement();
+                    String s = envk.nextElement();
                     sb.append("<tr><td>");
                     sb.append(s);
                     sb.append("</td><td>");
-                    sb.append(blanksToString((String) env.get(s),
+                    sb.append(blanksToString(env.get(s),
                                              "[will be set to blank]"));
                     sb.append("</td></tr>");
                 }
@@ -1232,7 +1226,7 @@
 
             sb.append("<tr><td>Command Line Params</td><td>");
             for (int i=0; i < cmdLineParameters.size(); i++) {
-                String param = (String) cmdLineParameters.get(i);
+                String param = cmdLineParameters.get(i);
                 sb.append("<p>");
                 sb.append(param);
                 sb.append("</p>");
@@ -1276,7 +1270,7 @@
          * @return   CGI environment
          *
          */
-        protected Hashtable getEnvironment() {
+        protected Hashtable<String,String> getEnvironment() {
             return env;
         }
 
@@ -1288,7 +1282,7 @@
          * @return   CGI query parameters
          *
          */
-        protected ArrayList getParameters() {
+        protected ArrayList<String> getParameters() {
             return cmdLineParameters;
         }
 
@@ -1390,13 +1384,13 @@
         private String command = null;
 
         /** environment used when invoking the cgi script */
-        private Hashtable env = null;
+        private Hashtable<String,String> env = null;
 
         /** working directory used when invoking the cgi script */
         private File wd = null;
 
         /** command line parameters to be passed to the invoked script */
-        private ArrayList params = null;
+        private ArrayList<String> params = null;
 
         /** stdin to be passed to cgi script */
         private InputStream stdin = null;
@@ -1424,8 +1418,8 @@
          * @param  params   ArrayList with the script's query command line
          *                  paramters as strings
          */
-        protected CGIRunner(String command, Hashtable env, File wd,
-                            ArrayList params) {
+        protected CGIRunner(String command, Hashtable<String,String> env,
+                            File wd, ArrayList<String> params) {
             this.command = command;
             this.env = env;
             this.wd = wd;
@@ -1503,13 +1497,13 @@
          * @exception  NullPointerException   if a hash key has a null value
          *
          */
-        protected String[] hashToStringArray(Hashtable h)
+        protected String[] hashToStringArray(Hashtable<String,?> h)
             throws NullPointerException {
             Vector<String> v = new Vector<String>();
-            Enumeration e = h.keys();
+            Enumeration<String> e = h.keys();
             while (e.hasMoreElements()) {
-                String k = e.nextElement().toString();
-                v.add(k + "=" + h.get(k));
+                String k = e.nextElement();
+                v.add(k + "=" + h.get(k).toString());
             }
             String[] strArr = new String[v.size()];
             v.copyInto(strArr);
@@ -1616,7 +1610,7 @@
 
             for (int i=0; i < params.size(); i++) {
                 cmdAndArgs.append(" ");
-                String param = (String) params.get(i);
+                String param = params.get(i);
                 if (param.indexOf(" ") < 0) {
                     cmdAndArgs.append(param);
                 } else {
@@ -1636,7 +1630,7 @@
                 rt = Runtime.getRuntime();
                 proc = rt.exec(cmdAndArgs.toString(), hashToStringArray(env), wd);
     
-                String sContentLength = (String) env.get("CONTENT_LENGTH");
+                String sContentLength = env.get("CONTENT_LENGTH");
 
                 if(!"".equals(sContentLength)) {
                     commandsStdIn = new BufferedOutputStream(proc.getOutputStream());
@@ -1659,7 +1653,7 @@
                 new Thread() {
                     public void run () {
                         sendToLog(stdErrRdr) ;
-                    } ;
+                    }
                 }.start() ;
 
                 InputStream cgiHeaderStream =
@@ -1826,11 +1820,11 @@
                     rdr.close() ;
                 } catch (IOException ce) {
                     log("sendToLog error", ce) ;
-                } ;
-            } ;
+                }
+            }
             if ( lineCount > 0 && debug > 2) {
                 log("runCGI: " + lineCount + " lines received on stderr") ;
-            } ;
+            }
         }
     } //class CGIRunner
 



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