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Posted to ftpserver-commits@incubator.apache.org by ng...@apache.org on 2007/01/21 22:53:47 UTC

svn commit: r498476 - /incubator/ftpserver/trunk/core/src/java/org/apache/ftpserver/util/FtpReplyUtil.java

Author: ngn
Date: Sun Jan 21 14:53:46 2007
New Revision: 498476

URL: http://svn.apache.org/viewvc?view=rev&rev=498476
Log:
Moved reply translation out of FtpWriter into a dedicated factory.

Added:
    incubator/ftpserver/trunk/core/src/java/org/apache/ftpserver/util/FtpReplyUtil.java   (with props)

Added: incubator/ftpserver/trunk/core/src/java/org/apache/ftpserver/util/FtpReplyUtil.java
URL: http://svn.apache.org/viewvc/incubator/ftpserver/trunk/core/src/java/org/apache/ftpserver/util/FtpReplyUtil.java?view=auto&rev=498476
==============================================================================
--- incubator/ftpserver/trunk/core/src/java/org/apache/ftpserver/util/FtpReplyUtil.java (added)
+++ incubator/ftpserver/trunk/core/src/java/org/apache/ftpserver/util/FtpReplyUtil.java Sun Jan 21 14:53:46 2007
@@ -0,0 +1,433 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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 org.apache.ftpserver.util;
+
+import java.net.InetAddress;
+
+import org.apache.ftpserver.DefaultFtpReply;
+import org.apache.ftpserver.ftplet.FileSystemView;
+import org.apache.ftpserver.ftplet.FtpRequest;
+import org.apache.ftpserver.ftplet.FtpReply;
+import org.apache.ftpserver.ftplet.FtpStatistics;
+import org.apache.ftpserver.interfaces.FtpServerSession;
+import org.apache.ftpserver.interfaces.MessageResource;
+
+/**
+ * FTP reply object.
+ */
+public class FtpReplyUtil  {
+    
+    public static final String CLIENT_ACCESS_TIME = "client.access.time";
+    public static final String CLIENT_CON_TIME    = "client.con.time";
+    public static final String CLIENT_DIR         = "client.dir";
+    public static final String CLIENT_HOME        = "client.home";
+    public static final String CLIENT_IP          = "client.ip";
+    public static final String CLIENT_LOGIN_NAME  = "client.login.name";
+    public static final String CLIENT_LOGIN_TIME  = "client.login.time";
+    public static final String OUTPUT_CODE = "output.code";
+    public static final String OUTPUT_MSG  = "output.msg";
+    public static final String REQUEST_ARG  = "request.arg";
+    public static final String REQUEST_CMD  = "request.cmd";
+    public static final String REQUEST_LINE = "request.line";
+    ///////////////////////// All Server Vatiables /////////////////////////
+    public static final String SERVER_IP   = "server.ip";
+    public static final String SERVER_PORT = "server.port";
+    public static final String STAT_CON_CURR  = "stat.con.curr";
+    public static final String STAT_CON_TOTAL = "stat.con.total";
+    public static final String STAT_DIR_CREATE_COUNT  = "stat.dir.create.count";
+    public static final String STAT_DIR_DELETE_COUNT  = "stat.dir.delete.count";
+    public static final String STAT_FILE_DELETE_COUNT = "stat.file.delete.count";
+    public static final String STAT_FILE_DOWNLOAD_BYTES = "stat.file.download.bytes";
+    public static final String STAT_FILE_DOWNLOAD_COUNT = "stat.file.download.count";
+    public static final String STAT_FILE_UPLOAD_BYTES = "stat.file.upload.bytes";
+    public static final String STAT_FILE_UPLOAD_COUNT = "stat.file.upload.count";
+    public static final String STAT_LOGIN_ANON_CURR  = "stat.login.anon.curr";
+    public static final String STAT_LOGIN_ANON_TOTAL = "stat.login.anon.total";
+    public static final String STAT_LOGIN_CURR  = "stat.login.curr";
+    public static final String STAT_LOGIN_TOTAL = "stat.login.total";
+    public static final String STAT_START_TIME = "stat.start.time";
+    
+    public static FtpReply translate(FtpServerSession session, int code, String subId, String basicMsg) {
+        String msg = translateMessage(session, code, subId, basicMsg);
+        
+        return new DefaultFtpReply(code, msg);
+    }
+    
+    private static String translateMessage(FtpServerSession session, int code, String subId, String basicMsg) {
+        MessageResource resource = session.getServerContext().getMessageResource();
+        String lang = session.getLanguage();
+        
+        String msg = null;
+        if(resource != null ) {
+            msg = resource.getMessage(code, subId, lang);
+        }
+        if(msg == null) {
+            msg = "";
+        }
+        msg = replaceVariables(session, code, basicMsg, msg);
+        
+        return msg;
+    }
+    
+    /**
+     * Replace server variables.
+     */
+    private static String replaceVariables(FtpServerSession session, int code, String basicMsg, String str) {
+        
+        int startIndex = 0;
+        int openIndex = str.indexOf('{', startIndex);
+        if (openIndex == -1) {
+            return str;
+        }
+        
+        int closeIndex = str.indexOf('}', startIndex);
+        if( (closeIndex == -1) || (openIndex > closeIndex) ) {
+            return str;
+        }
+        
+        StringBuffer sb = new StringBuffer(128);
+        sb.append(str.substring(startIndex, openIndex));
+        while(true) {
+            String varName = str.substring(openIndex+1, closeIndex);
+            sb.append( getVariableValue(session, code, basicMsg, varName) );
+            
+            startIndex = closeIndex + 1;
+            openIndex = str.indexOf('{', startIndex);
+            if (openIndex == -1) {
+                sb.append(str.substring(startIndex));
+                break;
+            }
+            
+            closeIndex = str.indexOf('}', startIndex);
+            if( (closeIndex == -1) || (openIndex > closeIndex) ) {
+               sb.append(str.substring(startIndex));
+               break;
+            }
+            sb.append(str.substring(startIndex, openIndex));
+        }
+        return sb.toString();
+    }
+
+    /**
+     * Get the variable value.
+     */
+    private static String getVariableValue(FtpServerSession session, int code, String basicMsg, String varName) {
+        
+        String varVal = null;
+        
+        // all output variables
+        if(varName.startsWith("output.")) {
+            varVal = getOutputVariableValue(session, code, basicMsg, varName);
+        }
+    
+        // all server variables
+        else if(varName.startsWith("server.")) {
+            varVal = getServerVariableValue(session, varName);
+        }
+        
+        // all request variables
+        else if(varName.startsWith("request.")) {
+            varVal = getRequestVariableValue(session, varName);
+        }
+        
+        // all statistical variables
+        else if(varName.startsWith("stat.")) {
+            varVal = getStatisticalVariableValue(session, varName);
+        }
+                
+        // all client variables
+        else if(varName.startsWith("client.")) {
+            varVal = getClientVariableValue(session, varName);
+        }
+        
+        if(varVal == null) {
+            varVal = "";
+        }
+        return varVal;
+    }
+
+    /**
+     * Get client variable value.
+     */
+    private static String getClientVariableValue(FtpServerSession session, String varName) {
+        
+        String varVal = null;
+        
+        // client ip
+        if(varName.equals(CLIENT_IP)) {
+            varVal = session.getClientAddress().getHostAddress();
+        }
+        
+        // client connection time
+        else if(varName.equals(CLIENT_CON_TIME)) {
+            varVal = DateUtils.getISO8601Date(session.getConnectionTime().getTime());
+        }
+        
+        // client login name
+        else if(varName.equals(CLIENT_LOGIN_NAME)) {
+            varVal = session.getUserArgument();
+        }
+        
+        // client login time
+        else if(varName.equals(CLIENT_LOGIN_TIME)) {
+            varVal = DateUtils.getISO8601Date(session.getLoginTime().getTime());
+        }
+        
+        // client last access time
+        else if(varName.equals(CLIENT_ACCESS_TIME)) {
+            varVal = DateUtils.getISO8601Date(session.getLastAccessTime().getTime());
+        }
+        
+        // client home
+        else if(varName.equals(CLIENT_HOME)) {
+            varVal = session.getUser().getHomeDirectory();
+        }
+        
+        // client directory
+        else if(varName.equals(CLIENT_DIR)) {
+            FileSystemView fsView = session.getFileSystemView();
+            if(fsView != null) {
+                try {
+                    varVal = fsView.getCurrentDirectory().getFullName();
+                }
+                catch(Exception ex) {
+                    varVal = "";
+                }
+            }
+        }
+        return varVal; 
+    }
+
+    /**
+     * Get output variable value.
+     */
+    private static String getOutputVariableValue(FtpServerSession session, int code, String basicMsg, String varName) {
+        String varVal = null;
+        
+        // output code
+        if(varName.equals(OUTPUT_CODE)) {
+            varVal = String.valueOf(code);
+        }
+        
+        // output message
+        else if(varName.equals(OUTPUT_MSG)) {
+            varVal = basicMsg;
+        }
+        
+        return varVal;
+    }
+
+    /**
+     * Get request variable value.
+     */
+    private static String getRequestVariableValue(FtpServerSession session, String varName) {
+        
+        String varVal = null;
+        
+        FtpRequest request = session.getCurrentRequest();
+        
+        if(request == null) {
+            return "";
+        }
+        
+        // request line
+        if(varName.equals(REQUEST_LINE)) {
+            varVal = request.getRequestLine();
+        }
+        
+        // request command
+        else if(varName.equals(REQUEST_CMD)) {
+            varVal = request.getCommand();
+        }
+        
+        // request argument
+        else if(varName.equals(REQUEST_ARG)) {
+            varVal = request.getArgument();
+        }
+        
+        return varVal;
+    }
+
+    /**
+     * Get server variable value.
+     */
+    private static String getServerVariableValue(FtpServerSession session, String varName) {
+        
+        String varVal = null;
+        
+        // server address
+        if(varName.equals(SERVER_IP)) {
+            InetAddress addr = session.getServerAddress();;
+
+            if(addr != null) {
+                varVal = addr.getHostAddress();
+            }
+        }
+        
+        // server port
+        else if(varName.equals(SERVER_PORT)) {
+            varVal = String.valueOf(session.getServerContext().getServerPort());
+        }
+        
+        return varVal;
+    }
+
+    /**
+     * Get statistical connection variable value.
+     */
+    private static String getStatisticalConnectionVariableValue(FtpServerSession session, String varName) {
+        String varVal = null;
+        FtpStatistics stat = session.getServerContext().getFtpStatistics();
+        
+        // total connection number
+        if(varName.equals(STAT_CON_TOTAL)) {
+            varVal = String.valueOf(stat.getTotalConnectionNumber());
+        }
+        
+        // current connection number
+        else if(varName.equals(STAT_CON_CURR)) {
+            varVal = String.valueOf(stat.getCurrentConnectionNumber());
+        }
+        
+        return varVal;
+    }
+
+    /**
+     * Get statistical directory variable value.
+     */
+    private static String getStatisticalDirectoryVariableValue(FtpServerSession session, String varName) {
+        String varVal = null;
+        FtpStatistics stat = session.getServerContext().getFtpStatistics();
+        
+        // total directory created
+        if(varName.equals(STAT_DIR_CREATE_COUNT)) {
+            varVal = String.valueOf(stat.getTotalDirectoryCreated());
+        }
+        
+        // total directory removed
+        else if(varName.equals(STAT_DIR_DELETE_COUNT)) {
+            varVal = String.valueOf(stat.getTotalDirectoryRemoved());
+        }
+        
+        return varVal;
+    }
+
+    /**
+     * Get statistical file variable value.
+     */
+    private static String getStatisticalFileVariableValue(FtpServerSession session, String varName) {
+        String varVal = null;
+        FtpStatistics stat = session.getServerContext().getFtpStatistics();
+        
+        // total number of file upload
+        if(varName.equals(STAT_FILE_UPLOAD_COUNT)) {
+            varVal = String.valueOf(stat.getTotalUploadNumber());
+        }
+        
+        // total bytes uploaded
+        else if(varName.equals(STAT_FILE_UPLOAD_BYTES)) {
+            varVal = String.valueOf(stat.getTotalUploadSize());
+        }
+        
+        // total number of file download
+        else if(varName.equals(STAT_FILE_DOWNLOAD_COUNT)) {
+            varVal = String.valueOf(stat.getTotalDownloadNumber());
+        }
+        
+        // total bytes downloaded
+        else if(varName.equals(STAT_FILE_DOWNLOAD_BYTES)) {
+            varVal = String.valueOf(stat.getTotalDownloadSize());
+        }
+        
+        // total number of files deleted
+        else if(varName.equals(STAT_FILE_DELETE_COUNT)) {
+            varVal = String.valueOf(stat.getTotalDeleteNumber());
+        }
+        
+        return varVal;
+    }
+
+    /**
+     * Get statistical login variable value.
+     */
+    private static String getStatisticalLoginVariableValue(FtpServerSession session, String varName) {
+        String varVal = null;
+        FtpStatistics stat = session.getServerContext().getFtpStatistics();
+        
+        // total login number
+        if(varName.equals(STAT_LOGIN_TOTAL)) {
+            varVal = String.valueOf(stat.getTotalLoginNumber());
+        }
+        
+        // current login number
+        else if(varName.equals(STAT_LOGIN_CURR)) {
+            varVal = String.valueOf(stat.getCurrentLoginNumber());
+        }
+        
+        // total anonymous login number
+        else if(varName.equals(STAT_LOGIN_ANON_TOTAL)) {
+            varVal = String.valueOf(stat.getTotalAnonymousLoginNumber());
+        }
+        
+        // current anonymous login number
+        else if(varName.equals(STAT_LOGIN_ANON_CURR)) {
+            varVal = String.valueOf(stat.getCurrentAnonymousLoginNumber());
+        }
+        
+        return varVal; 
+    }
+
+    /**
+     * Get statistical variable value. 
+     */
+    private static String getStatisticalVariableValue(FtpServerSession session, String varName) {
+    
+        String varVal = null;
+        FtpStatistics stat = session.getServerContext().getFtpStatistics();
+        
+        // server start time
+        if(varName.equals(STAT_START_TIME)) {
+            varVal = DateUtils.getISO8601Date(stat.getStartTime().getTime());
+        }
+        
+        // connection statistical variables
+        else if(varName.startsWith("stat.con")) {
+            varVal = getStatisticalConnectionVariableValue(session, varName);
+        }
+        
+        // login statistical variables
+        else if(varName.startsWith("stat.login.")) {
+            varVal = getStatisticalLoginVariableValue(session, varName);
+        }
+        
+        // file statistical variable
+        else if(varName.startsWith("stat.file")) {
+            varVal = getStatisticalFileVariableValue(session, varName);
+        }
+        
+        // directory statistical variable
+        else if(varName.startsWith("stat.dir.")) {
+            varVal = getStatisticalDirectoryVariableValue(session, varName);
+        }
+        
+        return varVal;
+    }
+    
+}

Propchange: incubator/ftpserver/trunk/core/src/java/org/apache/ftpserver/util/FtpReplyUtil.java
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