Coverage report

  %line %branch
org.apache.commons.net.ftp.FTPFileEntryParserImpl
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 1   
 /*
 2   
  * Copyright 2001-2005 The Apache Software Foundation
 3   
  *
 4   
  * Licensed under the Apache License, Version 2.0 (the "License");
 5   
  * you may not use this file except in compliance with the License.
 6   
  * You may obtain a copy of the License at
 7   
  *
 8   
  *     http://www.apache.org/licenses/LICENSE-2.0
 9   
  *
 10   
  * Unless required by applicable law or agreed to in writing, software
 11   
  * distributed under the License is distributed on an "AS IS" BASIS,
 12   
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 13   
  * See the License for the specific language governing permissions and
 14   
  * limitations under the License.
 15   
  */
 16   
 package org.apache.commons.net.ftp;
 17   
 import java.io.BufferedReader;
 18   
 import java.io.IOException;
 19   
 import java.io.InputStream;
 20   
 import java.util.Iterator;
 21   
 import java.util.List;
 22   
 
 23   
 /**
 24   
  * This abstract class implements both the older FTPFileListParser and
 25   
  * newer FTPFileEntryParser interfaces with default functionality.
 26   
  * All the classes in the parser subpackage inherit from this.
 27   
  *
 28   
  */
 29   
 public abstract class FTPFileEntryParserImpl
 30   
     implements FTPFileEntryParser, FTPFileListParser
 31   
 {
 32   
     /**
 33   
      * The constructor for a FTPFileEntryParserImpl object.
 34   
      */
 35   
     public FTPFileEntryParserImpl()
 36  298 
     {
 37  298 
     }
 38   
 
 39   
 
 40   
     /***
 41   
      * Parses an FTP server file listing and converts it into a usable format
 42   
      * in the form of an array of <code> FTPFile </code> instances.  If the
 43   
      * file list contains no files, <code> null </code> should be
 44   
      * returned, otherwise an array of <code> FTPFile </code> instances
 45   
      * representing the files in the directory is returned.
 46   
      * <p>
 47   
      * @param listStream The InputStream from which the file list should be
 48   
      *        read.
 49   
      * @return The list of file information contained in the given path.  null
 50   
      *     if the list could not be obtained or if there are no files in
 51   
      *     the directory.
 52   
      * @exception java.io.IOException  If an I/O error occurs reading the listStream.
 53   
      ***/
 54   
     public FTPFile[] parseFileList(InputStream listStream, String encoding) throws IOException
 55   
     {
 56  0 
         FTPFileList ffl = FTPFileList.create(listStream, this, encoding);
 57  0 
         return ffl.getFiles();
 58   
 
 59   
     }
 60   
 
 61   
     /***
 62   
      * Parses an FTP server file listing and converts it into a usable format
 63   
      * in the form of an array of <code> FTPFile </code> instances.  If the
 64   
      * file list contains no files, <code> null </code> should be
 65   
      * returned, otherwise an array of <code> FTPFile </code> instances
 66   
      * representing the files in the directory is returned.
 67   
      * <p>
 68   
      * @param listStream The InputStream from which the file list should be
 69   
      *        read.
 70   
      * @return The list of file information contained in the given path.  null
 71   
      *     if the list could not be obtained or if there are no files in
 72   
      *     the directory.
 73   
      * @exception java.io.IOException  If an I/O error occurs reading the listStream.
 74   
      *
 75   
      * @deprecated The version of this method which takes an encoding should be used.
 76   
     ***/
 77   
     public FTPFile[] parseFileList(InputStream listStream) throws IOException
 78   
     {
 79  0 
     	return parseFileList(listStream, null);
 80   
     }
 81   
 
 82   
     /**
 83   
      * Reads the next entry using the supplied BufferedReader object up to
 84   
      * whatever delemits one entry from the next.  This default implementation
 85   
      * simply calls BufferedReader.readLine().
 86   
      *
 87   
      * @param reader The BufferedReader object from which entries are to be
 88   
      * read.
 89   
      *
 90   
      * @return A string representing the next ftp entry or null if none found.
 91   
      * @exception java.io.IOException thrown on any IO Error reading from the reader.
 92   
      */
 93   
     public String readNextEntry(BufferedReader reader) throws IOException
 94   
     {
 95  0 
         return reader.readLine();
 96   
     }
 97   
     /**
 98   
      * This method is a hook for those implementors (such as
 99   
      * VMSVersioningFTPEntryParser, and possibly others) which need to
 100   
      * perform some action upon the FTPFileList after it has been created
 101   
      * from the server stream, but before any clients see the list.
 102   
      *
 103   
      * This default implementation is a no-op.
 104   
      *
 105   
      * @param original Original list after it has been created from the server stream
 106   
      *
 107   
      * @return <code>original</code> unmodified.
 108   
      */
 109   
      public List preParse(List original) {
 110  4 
          Iterator it = original.iterator();
 111  4 
          while (it.hasNext()){
 112  4 
             String entry = (String) it.next();
 113  4 
             if (null == parseFTPEntry(entry)) {
 114  0 
                 it.remove();
 115   
             } else {
 116  0 
                 break;
 117   
             }
 118   
          }
 119  4 
          return original;
 120   
      }
 121   
 }
 122   
 
 123   
 /* Emacs configuration
 124   
  * Local variables:        **
 125   
  * mode:             java  **
 126   
  * c-basic-offset:   4     **
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  * indent-tabs-mode: nil   **
 128   
  * End:                    **
 129   
  */

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