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[176216] FTP sould provide API to allow clients register their own FTPListingParser

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This commit is contained in:
Javier Montalvo Orus 2007-05-04 12:52:46 +00:00
parent 4c1cb55a12
commit ed6158f594
3 changed files with 10 additions and 306 deletions
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10
rse/plugins/org.eclipse.rse.services.files.ftp/src/org/eclipse/rse/internal/services/files/ftp/parser/IFTPClientConfigFactory.java
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@ -1,3 +1,13 @@
/********************************************************************************
* Copyright (c) 2007 Symbian Software Ltd. All rights reserved.
* This program and the accompanying materials are made available under the terms
* of the Eclipse Public License v1.0 which accompanies this distribution, and is
* available at http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Javier Montalvo Orus (Symbian) - initial API and implementation
********************************************************************************/
package org.eclipse.rse.internal.services.files.ftp.parser;
import java.util.Set;

82
rse/plugins/org.eclipse.rse.services.files.ftp/src/org/eclipse/rse/internal/services/files/ftp/parser/RSENTFTPEntryParser.java
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@ -1,82 +0,0 @@
/********************************************************************************
* Copyright (c) 2007 Symbian Software Ltd. All rights reserved.
* This program and the accompanying materials are made available under the terms
* of the Eclipse Public License v1.0 which accompanies this distribution, and is
* available at http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Javier Montalvo Orus (Symbian) - initial API and implementation
********************************************************************************/
package org.eclipse.rse.internal.services.files.ftp.parser;
import java.text.ParseException;
import org.apache.commons.net.ftp.FTPFile;
import org.apache.commons.net.ftp.parser.NTFTPEntryParser;
public class RSENTFTPEntryParser extends NTFTPEntryParser {
/**
* Parses a line of an NT FTP server file listing and converts it into a
* usable format in the form of an <code> FTPFile </code> instance. If the
* file listing line doesn't describe a file, <code> null </code> is
* returned, otherwise a <code> FTPFile </code> instance representing the
* files in the directory is returned. This extension enables the R/W permission
* for NT parsing, setting it as true by default.
* <p>
* @param entry A line of text from the file listing
* @return An FTPFile instance corresponding to the supplied entry
*/
public FTPFile parseFTPEntry(String entry)
{
FTPFile f = new FTPFile();
f.setRawListing(entry);
if (matches(entry))
{
String datestr = group(1)+" "+group(2); //$NON-NLS-1$
String dirString = group(3);
String size = group(4);
String name = group(5);
try
{
f.setTimestamp(super.parseTimestamp(datestr));
}
catch (ParseException e)
{
return null; // this is a parsing failure too.
}
if (null == name || name.equals(".") || name.equals("..")) //$NON-NLS-1$//$NON-NLS-2$
{
return (null);
}
f.setName(name);
if ("<DIR>".equals(dirString)) //$NON-NLS-1$
{
f.setType(FTPFile.DIRECTORY_TYPE);
f.setSize(0);
}
else
{
f.setType(FTPFile.FILE_TYPE);
if (null != size)
{
f.setSize(Long.parseLong(size));
}
}
// only USER permission is shown in RSE
f.setPermission(FTPFile.USER_ACCESS, FTPFile.READ_PERMISSION, true);
f.setPermission(FTPFile.USER_ACCESS, FTPFile.WRITE_PERMISSION, true);
f.setPermission(FTPFile.USER_ACCESS, FTPFile.EXECUTE_PERMISSION, true);
return (f);
}
return null;
}
}

224
rse/plugins/org.eclipse.rse.services.files.ftp/src/org/eclipse/rse/internal/services/files/ftp/parser/RSEVMSFTPEntryParser.java
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@ -1,224 +0,0 @@
/********************************************************************************
* Copyright (c) 2007 Symbian Software Ltd. All rights reserved.
* This program and the accompanying materials are made available under the terms
* of the Eclipse Public License v1.0 which accompanies this distribution, and is
* available at http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Javier Montalvo Orus (Symbian) - initial API and implementation
********************************************************************************/
package org.eclipse.rse.internal.services.files.ftp.parser;
import java.io.BufferedReader;
import java.io.IOException;
import java.text.ParseException;
import java.util.StringTokenizer;
import org.apache.commons.net.ftp.FTPClientConfig;
import org.apache.commons.net.ftp.FTPFile;
import org.apache.commons.net.ftp.parser.ConfigurableFTPFileEntryParserImpl;
public class RSEVMSFTPEntryParser extends ConfigurableFTPFileEntryParserImpl {
private static final String DEFAULT_DATE_FORMAT
= "d-MMM-yyyy HH:mm:ss"; //9-NOV-2001 12:30:24 //$NON-NLS-1$
private static final String REGEX =
"(.*;[0-9]+)\\s*" //$NON-NLS-1$
+ "(\\d+)/\\d+\\s*" //$NON-NLS-1$
+"(\\S+)\\s+(\\S+)\\s+" //$NON-NLS-1$
+ "\\[(([0-9$A-Za-z_]+)|([0-9$A-Za-z_]+),([0-9$a-zA-Z_]+))\\]?\\s*" //$NON-NLS-1$
+ "(\\([a-zA-Z]*,[a-zA-Z]*,[a-zA-Z]*,[a-zA-Z]*\\))"; //$NON-NLS-1$
/**
* Constructor for a VMSFTPEntryParser object.
*
* @exception IllegalArgumentException
* Thrown if the regular expression is unparseable. Should not be seen
* under normal conditions. It it is seen, this is a sign that
* <code>REGEX</code> is not a valid regular expression.
*/
public RSEVMSFTPEntryParser()
{
this(null);
}
/**
* This constructor allows the creation of a VMSFTPEntryParser object with
* something other than the default configuration.
*
* @param config The {@link FTPClientConfig configuration} object used to
* configure this parser.
* @exception IllegalArgumentException
* Thrown if the regular expression is unparseable. Should not be seen
* under normal conditions. It it is seen, this is a sign that
* <code>REGEX</code> is not a valid regular expression.
* @since 1.4
*/
public RSEVMSFTPEntryParser(FTPClientConfig config)
{
super(REGEX);
configure(config);
}
/**
* Parses a line of a VMS FTP server file listing and converts it into a
* usable format in the form of an <code> FTPFile </code> instance. If the
* file listing line doesn't describe a file, <code> null </code> is
* returned, otherwise a <code> FTPFile </code> instance representing the
* files in the directory is returned.
* <p>
* @param entry A line of text from the file listing
* @return An FTPFile instance corresponding to the supplied entry
*/
public FTPFile parseFTPEntry(String entry)
{
//one block in VMS equals 512 bytes
long longBlock = 512;
if (matches(entry))
{
FTPFile f = new FTPFile();
f.setRawListing(entry);
String name = group(1);
String size = group(2);
String datestr = group(3)+" "+group(4); //$NON-NLS-1$
String owner = group(5);
String permissions = group(9);
try
{
f.setTimestamp(super.parseTimestamp(datestr));
}
catch (ParseException e)
{
return null; // this is a parsing failure too.
}
String grp;
String user;
StringTokenizer t = new StringTokenizer(owner, ","); //$NON-NLS-1$
switch (t.countTokens()) {
case 1:
grp = null;
user = t.nextToken();
break;
case 2:
grp = t.nextToken();
user = t.nextToken();
break;
default:
grp = null;
user = null;
}
if (name.lastIndexOf(".DIR") != -1) //$NON-NLS-1$
{
f.setType(FTPFile.DIRECTORY_TYPE);
}
else
{
f.setType(FTPFile.FILE_TYPE);
}
//set FTPFile name
//Check also for versions to be returned or not
if (isVersioning())
{
f.setName(name);
}
else
{
name = name.substring(0, name.lastIndexOf(";")); //$NON-NLS-1$
if(name.lastIndexOf(".DIR")!=-1) //$NON-NLS-1$
{
name = name.substring(0, name.lastIndexOf(".DIR")); //$NON-NLS-1$
}
f.setName(name);
}
//size is retreived in blocks and needs to be put in bytes
//for us humans and added to the FTPFile array
long sizeInBytes = Long.parseLong(size) * longBlock;
f.setSize(sizeInBytes);
f.setGroup(grp);
f.setUser(user);
//set group and owner
//Set file permission.
//VMS has (SYSTEM,OWNER,GROUP,WORLD) users that can contain
//R (read) W (write) E (execute) D (delete)
t = new StringTokenizer(permissions, ","); //$NON-NLS-1$
//discard SYSTEM permission
t.nextElement();
//iterate for OWNER GROUP WORLD permissions
for (int access = 0; access < 3; access++)
{
String token = t.nextToken();
f.setPermission(access, FTPFile.READ_PERMISSION, token.indexOf('R')!=-1);
f.setPermission(access, FTPFile.WRITE_PERMISSION, token.indexOf('W')!=-1);
f.setPermission(access, FTPFile.EXECUTE_PERMISSION, token.indexOf('E')!=-1);
}
return f;
}
return null;
}
/**
* Reads the next entry using the supplied BufferedReader object up to
* whatever delemits one entry from the next. This parser cannot use
* the default implementation of simply calling BufferedReader.readLine(),
* because one entry may span multiple lines.
*
* @param reader The BufferedReader object from which entries are to be
* read.
*
* @return A string representing the next ftp entry or null if none found.
* @exception IOException thrown on any IO Error reading from the reader.
*/
public String readNextEntry(BufferedReader reader) throws IOException
{
String line = reader.readLine();
StringBuffer entry = new StringBuffer();
while (line != null)
{
if (line.startsWith("Directory") || line.startsWith("Total")) { //$NON-NLS-1$//$NON-NLS-2$
line = reader.readLine();
continue;
}
entry.append(line);
if (line.trim().endsWith(")")) //$NON-NLS-1$
{
break;
}
line = reader.readLine();
}
return (entry.length() == 0 ? null : entry.toString());
}
protected boolean isVersioning() {
return false;
}
/**
* Defines a default configuration to be used when this class is
* instantiated without a {@link FTPClientConfig FTPClientConfig}
* parameter being specified.
* @return the default configuration for this parser.
*/
protected FTPClientConfig getDefaultConfiguration() {
return new FTPClientConfig(
FTPClientConfig.SYST_VMS,
DEFAULT_DATE_FORMAT,
null, null, null, null);
}
}