Coverage report

  %line %branch
org.apache.commons.net.ftp.FTPFileEntryParserImpl
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100% 

 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  149
     {
 37  149
     }
 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  2
          Iterator it = original.iterator();
 111  2
          while (it.hasNext()){
 112  2
             String entry = (String) it.next();
 113  2
             if (null == parseFTPEntry(entry)) {
 114  0
                 it.remove();
 115  
             } else {
 116  0
                 break;
 117  
             }
 118  
          }
 119  2
          return original;
 120  
      }
 121  
 }
 122  
 
 123  
 /* Emacs configuration
 124  
  * Local variables:        **
 125  
  * mode:             java  **
 126  
  * c-basic-offset:   4     **
 127  
  * indent-tabs-mode: nil   **
 128  
  * End:                    **
 129  
  */

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