FileManager.java
| Index Score | ||
|---|---|---|
 |
 |
org.furthurnet.datastructures |
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Furthurnet |
View: Reasons, Metrics, Source Code
These are the metrics that contribute to the Enerjy Score for this file, ranked by impact. So the metrics listed at the top influence the score to a greater extent that the metrics listed at the bottom.
| Metric | Description | |
|---|---|---|
| LOOPS | Number of loops |  |
| JAVA0034 | JAVA0034 Missing braces in if statement | |
| JAVA0166 | JAVA0166 Generic exception caught | |
| CYCLOMATIC | Cyclomatic complexity | |
| JAVA0035 | JAVA0035 Missing braces in for statement | |
| BLOCKS | Number of blocks | |
| LOC | Lines of code | |
| JAVA0041 | JAVA0041 Nested synchronized block | |
| JAVA0008 | JAVA0008 Empty catch block | |
| COMPARISONS | Number of comparison operators | |
| LOGICAL_LINES | Number of statements | |
| OPERATORS | Number of operators | |
| JAVA0117 | JAVA0117 Missing javadoc: method 'method' | |
| PROGRAM_LENGTH | Halstead program length | |
| ELOC | Effective lines of code | |
| OPERANDS | Number of operands | |
| SIZE | Size of the file in bytes | |
| JAVA0143 | JAVA0143 Synchronized method | |
| LINES | Number of lines in the source file | |
| JAVA0049 | JAVA0049 Nested block at depth N (maximum: M) | |
| UNIQUE_OPERANDS | Number of unique operands | |
| EXEC_COMMENTS | Comments in executable code | |
| PROGRAM_VOCAB | Halstead program vocabulary | |
| EXITS | Procedure exits | |
| JAVA0076 | JAVA0076 Use of magic number | |
| RETURNS | Number of return points from functions | |
| INTERFACE_COMPLEXITY | Interface complexity | |
| FUNCTIONS | Number of function declarations | |
| NEST_DEPTH | Maximum nesting depth | |
| JAVA0087 | JAVA0087 Use of Thread.sleep() | |
| JAVA0265 | JAVA0265 Use of Throwable.printStackTrace() | |
| JAVA0270 | JAVA0270 Use Java 5.0 enhanced for loop construct to iterate over all elements in an array | |
| LINE_COMMENT | Number of line comments | |
| JAVA0144 | JAVA0144 Line exceeds maximum M characters | |
| UNIQUE_OPERATORS | Number of unique operators | |
| JAVA0036 | JAVA0036 Missing braces in while statement | |
| JAVA0130 | JAVA0130 Non-static method does not use instance fields | |
| PARAMS | Number of formal parameter declarations | |
| JAVA0177 | JAVA0177 Variable declaration missing initializer | |
| WHITESPACE | Number of whitespace lines | |
| JAVA0128 | JAVA0128 Public constructor in non-public class | |
| PROGRAM_VOLUME | Halstead program volume | |
| JAVA0136 | JAVA0136 N methods defined in class (maximum: M) | |
| JAVA0126 | JAVA0126 Method declares unchecked exception in throws | |
| JAVA0110 | JAVA0110 Incorrect javadoc: no @return tag | |
| JAVA0043 | JAVA0043 Inner class does not use outer class | |
| JAVA0171 | JAVA0171 Unused local variable | |
| JAVA0287 | JAVA0287 Unnecessary null check | |
| JAVA0067 | JAVA0067 Array descriptor on identifier name | |
| JAVA0100 | JAVA0100 Class contains N non-final fields (maximum: M) | |
| JAVA0108 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| COMMENTS | Comment lines | |
| DOC_COMMENT | Number of javadoc comment lines | |
| DECL_COMMENTS | Comments in declarations | |
| JAVA0145 | JAVA0145 Tab character used in source file | |
/*
* FURTHUR - A distributed peer-to-peer file sharing system.
* Copyright (C) 2001-2002 Jamie M. Addessi, Furthur Network
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package org.furthurnet.datastructures;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.util.Vector;
import org.furthurnet.client.ClientManager;
import org.furthurnet.clientgui.ClientGuiConstants;
import org.furthurnet.datastructures.supporting.Common;
import org.furthurnet.datastructures.supporting.Constants;
import org.furthurnet.md5.*;
public class FileManager
{
private ClientManager manager = null;
private String tempFolder = null;// only used by general clients - the folder to save the temp files
private String saveFolder = null;// only used by general clients - the folder to save the assembled files
private String objectName = null;
private String[] md5 = null;
private String[] calculatedMD5s = null;
private FileTransferInfo info = null;
public long totalBytesReceived = 0;
private int packetsInTempFile = 0;
private long packetsLeft[] = null;
private Vector filesReadyToAssemble = new Vector(); // Vector of Integers representing file indexes of files ready to assemble
Vector packetSources = new Vector(); // Vector of all known packet sources (files) and the packet number that each starts with
Vector pendingDeletes = new Vector();
MapManager mapManager = null;
public FileManager(FileTransferInfo fti, ClientManager _manager)
{
// used by root client, we already have the paths to the complete files
info = fti;
manager = _manager;
generateRootMap();
}
public FileManager(String _tempFolder, String _saveFolder, String _objectName, ClientManager _manager)
{
// used by general clients, these folder paths will be appended when the file transfer info arrives
objectName = Common.setFolderName(_objectName);
manager = _manager;
tempFolder = _tempFolder;
saveFolder = _saveFolder;
}
public synchronized void setFileTransferInfo(FileTransferInfo fti)
{
// used by standard clients, set all paths to be the standard
info = fti;
}
public synchronized void prepareForTransfer()
{
// used by standard clients, set all paths to be the standard
packetsLeft = new long[info.numFiles];
for (int i=0; i<info.numFiles; i++)
packetsLeft[i] = info.totalNumPackets(i);
generateStandardMap();
if (allFilesSuccessfullyAssembled())
manager.fatalError(ClientGuiConstants.ERROR_FILE_SET_ALREADY_HERE, 109);
}
private void generateRootMap()
{
PacketMap map = new PacketMap(info.totalNumPackets());
synchronized (map)
{
map.addPacketSet();
map.setCurrentStartPacket(0);
map.setCurrentEndPacket(info.totalNumPackets() - 1);
synchronized (packetSources)
{
for (int i=0; i<info.numFiles; i++)
{
PacketSource source = new PacketSource();
source.fileName = Common.appendDel(info.filePath[i]) + info.fileName[i];
source.startPacket = info.getFileStartPacketNum(i);
packetSources.add(source);
}
}
mapManager = new MapManager(map);
}
}
private void generateStandardMap()
{
PacketMap map = new PacketMap(info.totalNumPackets());
File[] tempFiles = null;
synchronized (map)
{
File f = new File(tempFolder);
if ((f.exists()) && (f.isDirectory()))
tempFiles = f.listFiles();
for (int i=0; i<info.numFiles; i++)
{
f = new File(saveFolder + info.fileName[i]);
if ((f.exists()) && (f.length() == info.fileSize[i]))
{
map.addPacketSet();
map.setCurrentStartPacket(info.getFileStartPacketNum(i));
map.setCurrentEndPacket(info.getFileFinishPacketNum(i));
info.filePath[i] = saveFolder;
info.fileStatus[i] = "Saved";
synchronized (packetSources)
{
PacketSource source = new PacketSource();
source.fileName = saveFolder + info.fileName[i];
source.startPacket = info.getFileStartPacketNum(i);
packetSources.add(source);
}
packetsLeft[i] = 0;
totalBytesReceived += f.length();
}
else if (tempFiles != null)
{
for (int j=0; j<tempFiles.length; j++)
{
String prefix = objectName + "_" + i + "_";
String tempFileName = tempFiles[j].getName();
int pos = tempFileName.indexOf(prefix);
if (pos == 0)
try
{
if ((tempFiles[j].length() % Constants.PACKET_SIZE == 0) && (tempFiles[j].length() > 0))
{
String substr = tempFileName.substring(prefix.length(), tempFileName.indexOf(".", prefix.length()));
long start = new Long(substr).longValue();
long packetCount = tempFiles[j].length() / Constants.PACKET_SIZE;
// make sure this tpm file doesn't overlap any others
PacketMap tpmMap = new PacketMap(map.totalNumPackets);
tpmMap.addPacketSet();
tpmMap.setCurrentStartPacket(start);
tpmMap.setCurrentEndPacket(start + packetCount - 1);
PacketMap intersection = PacketMap.intersection(map, tpmMap);
if ((intersection == null) || (intersection.countPacketsRecieved() == 0))
{
map.addPacketSet();
map.setCurrentStartPacket(start);
map.setCurrentEndPacket(start + packetCount - 1);
packetsLeft[i] -= packetCount;
totalBytesReceived += tempFiles[j].length();
synchronized (packetSources)
{
PacketSource source = new PacketSource();
source.fileName = tempFolder + tempFileName;
source.startPacket = start;
source.setNumPackets(packetCount);
packetSources.add(source);
}
}
}
}
catch (Exception e)
{}
}
}
}
}
map = PacketMap.simplify(map);
mapManager = new MapManager(map);
if (calculatedMD5s == null)
{
calculatedMD5s = new String[info.numFiles];
for (int i=0; i<info.numFiles; i++)
calculatedMD5s[i] = null;
}
}
public DataInputStream prepareRead(long pNum, PacketReader pr) throws Exception
{
PacketSource source = getPacketSource(pNum);
if ((source.fileName.equals(pr.currentFile)) && (pNum == pr.lastReadPacket + 1))
{
pr.lastReadPacket = pNum;
return pr.in;
}
else
{
if (pr.in != null)
pr.closeIn();
for (int i=0; i<10; i++) // give the os up to 10 secs to update the fat table
{
try
{
pr.in = new DataInputStream(new FileInputStream(source.fileName));
break;
}
catch (Exception e)
{
Sleep(1000);
}
}
pr.currentFile = source.fileName;
long bytesToSkip = Constants.PACKET_SIZE * (pNum - source.startPacket);
for (int i=0; i<30; i++)
{
try
{
bytesToSkip -= pr.in.skip(bytesToSkip);
}
catch (Exception e)
{}
if (bytesToSkip == 0)
break;
else
Sleep(500);
}
if (bytesToSkip != 0)
throw new Exception();
pr.lastReadPacket = pNum;
return pr.in;
}
}
public DataOutputStream prepareWrite(long pNum, PacketWriter pw) throws Exception
{
int fileIndex = info.getFileIndex(pNum);
if ((pw.out != null) && (pw.lastWrittenPacket == pNum - 1) && (fileIndex == info.getFileIndex(pNum - 1)) && (packetsInTempFile < 20))
{
pw.lastWrittenPacket = pNum;
packetsInTempFile++;
return pw.out;
}
else
{
pw.closeOut();
String tempFileName =
tempFolder + objectName + "_" + fileIndex + "_" + pNum + ".tpm";
pw.out = new DataOutputStream(new FileOutputStream(tempFileName));
pw.currentFile = tempFileName;
pw.lastWrittenPacket = pNum;
packetsInTempFile = 1;
synchronized(packetSources)
{
PacketSource source = new PacketSource();
source.fileName = tempFileName;
source.startPacket = pNum;
packetSources.add(source);
}
return pw.out;
}
}
public void writeComplete(long pNum)
{
mapManager.addPacket(pNum);
totalBytesReceived += info.getPacketSize(pNum);
manager.updateByteCount(totalBytesReceived);
packetsLeft[info.getFileIndex(pNum)]--;
getPacketSource(pNum).packetWritten();
checkForFilesReadyToAssemble();
}
private PacketSource getPacketSource(long pNum)
{
synchronized (packetSources)
{
PacketSource closestSource = null;
long closestStart = -1;
for (int i=0; i<packetSources.size(); i++)
{
PacketSource next = ((PacketSource)packetSources.elementAt(i));
if ((next.startPacket <= pNum) && (next.startPacket > closestStart))
{
closestSource = next;
closestStart = next.startPacket;
}
}
return closestSource; // the source with the start packet closest to pNum but not greater than pNum
}
}
public void assembleFile(int fileIndex)
{
if (packetsLeft[fileIndex] > 0)
return;
if (fileIndex < 0)
return;
if (info.fileStatus[fileIndex].equals("Saved"))
return;
// if (info.fileStatus[fileIndex].indexOf("Failed MD5, Retrying") == 0)
// return;
info.fileStatus[fileIndex] = "Saving";
createSaveFolder();
File finalFile = new File(tempFolder + "assemble" + System.currentTimeMillis() + ".tpm");
FileOutputStream out = null;
FileInputStream in = null;
boolean validateMD5 = true;
try
{
final int transferLength = 1000; // the number of bytes to assemble at a time
boolean success = false;
long currentSegmentLength = 0; // write in segments of 500,000 bytes, sleeping for 1/2 second between segments to keep CPU usage down
do
{
try
{
finalFile.delete();
out = new FileOutputStream(finalFile);
}
catch (Exception e)
{
try
{
info.fileStatus[fileIndex] = "Error 106";
}
catch (Exception e2)
{}
manager.fatalError(ClientGuiConstants.ERROR_COULD_NOT_CREATE_FILE, 106);
return;
}
long pos = info.getFileStartPacketNum(fileIndex);
long numTransferred = 0;
try
{
long size = info.fileSize[fileIndex];
while (numTransferred < size)
{
String tempFileName =
tempFolder + objectName + "_" + fileIndex + "_" + pos + ".tpm";
File f = null;
try
{
f = new File(tempFileName);
in = new FileInputStream(f);
}
catch (Exception e)
{
try // extra padding in case of an exception
{
Thread.sleep(3000);
}
catch (Exception e2)
{}
f = new File(tempFileName);
in = new FileInputStream(f);
}
long numPackets = getPacketSource(pos).getNumPackets();
long numBytesToRead = numPackets * Constants.PACKET_SIZE;
if (numTransferred + numBytesToRead > size)
numBytesToRead = size - numTransferred;
int numActuallyRead = 0;
int pass = 10000;
byte[] temp1 = new byte[pass];
byte[] temp;
do
{
pass = 10000;
if (numBytesToRead < pass) {
pass = (int)numBytesToRead;
temp = new byte[pass];
}
else
temp = temp1;
numActuallyRead = in.read(temp);
if (numActuallyRead >= 0)
{
out.write(temp, 0, numActuallyRead);
numBytesToRead -= numActuallyRead;
numTransferred += numActuallyRead;
currentSegmentLength += numActuallyRead;
if (currentSegmentLength >= 500000)
{
try
{
currentSegmentLength = 0;
Thread.sleep(200);
}
catch (InterruptedException e) {}
}
else
{
Thread.yield();
}
}
}
while (numBytesToRead > 0);
pos += numPackets;
in.close();
}
out.close();
try
{
if ((md5 != null) && (md5.length == info.numFiles))
{
while (finalFile.length() < info.fileSize[fileIndex])
this.Sleep(1000); // wait for fat tables
info.fileStatus[fileIndex] = "Validating MD5 Checksum";
MD5Listener listener = new MD5Listener(info, fileIndex);
String calculated = MD5.getMD5(finalFile, listener, true);
validateMD5 = ((md5[fileIndex] == null) || (md5[fileIndex].length() != 32) || (calculated.equals(md5[fileIndex])));
if (validateMD5)
{
// MD5 passed
calculatedMD5s[fileIndex] = calculated;
}
else
{
// MD5 failed
if (calculatedMD5s[fileIndex] == null)
{
calculatedMD5s[fileIndex] = calculated;
}
else
{
if (calculatedMD5s[fileIndex].equals(calculated))
{
// failed MD5 check twice, same MD5 each time, bad source
//validateMD5 = true;
}
else
{
// failed MD5 check twice, different MD5 each time, bad source
//validateMD5 = true;
}
}
}
}
}
catch (Exception e)
{}
success = true;
if (validateMD5)
{
// Commented out so that not all files are marked ReadOnly skryking(Jason Ormes)
//finalFile.setReadOnly();
info.filePath[fileIndex] = saveFolder;
info.fileStatus[fileIndex] = "Saved";
}
else
{
info.fileStatus[fileIndex] = "Failed MD5, Retrying";
}
}
catch (Exception e)
{
cleanUp(in, out);
//Sleep(2000);
//return;
e.printStackTrace();
info.fileStatus[fileIndex] = "Error 150";
return;
}
Thread.yield();
}
while (!success);
if (!validateMD5)
{
try
{
mapManager.removePackets(info.getFileStartPacketNum(fileIndex), info.getFileFinishPacketNum(fileIndex));
packetsLeft[fileIndex] = info.totalNumPackets(fileIndex);
totalBytesReceived -= info.fileSize[fileIndex];
manager.updateByteCountOnly(totalBytesReceived);
}
catch (Exception e)
{
}
}
try
{
synchronized (packetSources)
{
long startPacket = info.getFileStartPacketNum(fileIndex);
long endPacket = info.getFileFinishPacketNum(fileIndex);
for (int i=packetSources.size()-1; i>=0; i--)
if ((((PacketSource)packetSources.elementAt(i)).startPacket >= startPacket) &&
(((PacketSource)packetSources.elementAt(i)).startPacket <= endPacket))
packetSources.removeElementAt(i);
if (validateMD5)
{
PacketSource newSource = new PacketSource();
newSource.fileName = saveFolder + info.fileName[fileIndex];
newSource.startPacket = startPacket;
packetSources.add(newSource);
}
}
}
catch (Exception e)
{
cleanUp(in, out);
try
{
// monitor.updateFileStatus(ClientGuiConstants.STATUS_ERROR + " 151", info.fileName[fileIndex]);
}
catch (Exception e2)
{}
info.fileStatus[fileIndex] = "Error 151";
manager.fatalError(ClientGuiConstants.ERROR_SHOULDNT_HAPPEN, 151);
return;
}
deleteTempFiles(fileIndex);
/* try
{
monitor.updateFileStatus(ClientGuiConstants.STATUS_SAVED, info.fileName[fileIndex]);
}
catch (Exception e)
{} */
}
catch (Exception e)
{
cleanUp(in, out);
e.printStackTrace();
return;
}
if ((finalFile != null) && (finalFile.exists()))
{
try
{
File saveDest = new File(saveFolder + info.fileName[fileIndex]);
boolean success = false;
int numTries = 0;
do
{
Sleep(500);
if (validateMD5)
{
//Added to only mark txt and md5 files as readonly skryking(Jason Ormes)
if(Common.getExtension(info.fileName[fileIndex]).equals("txt") || Common.getExtension(info.fileName[fileIndex]).equals("md5"))
finalFile.setReadOnly();
success = finalFile.renameTo(saveDest);
}else
{
success = finalFile.delete();
}
numTries++;
}
while ((!success) && (numTries < 30)); // max 15 sec wait for file lock
if ((!success) && (validateMD5))
{
fileCopy(finalFile.getAbsolutePath(), saveDest.getAbsolutePath());
setPendingDelete(finalFile.getAbsolutePath());
}
}
catch (Exception e)
{}
}
}
private void cleanUp(FileInputStream in, FileOutputStream out)
{
try
{
in.close();
}
catch (Exception e2)
{}
try
{
out.close();
}
catch (Exception e2)
{}
}
private void deleteTempFiles(int fileIndex)
{
try
{
String prefix = objectName + "_" + fileIndex + "_";
File f = new File(tempFolder);
File[] files = f.listFiles();
for (int i=0; i<files.length; i++)
if (files[i].getName().indexOf(prefix) == 0)
{
try
{
if (!files[i].delete())
setPendingDelete(tempFolder + files[i].getName());
}
catch (Exception e)
{}
}
}
catch (Exception e)
{}
}
public FileTransferInfo getInfo()
{
return info;
}
public String getSaveFolder()
{
return saveFolder;
}
public void checkForFilesReadyToAssemble()
{
try
{
for (int i=0; i<info.numFiles; i++)
if ((packetsLeft[i] == 0) && (info.filePath[i] == null))
{
boolean found = false;
synchronized(filesReadyToAssemble)
{
for (int j=0; j<filesReadyToAssemble.size(); j++)
if (((Integer)filesReadyToAssemble.elementAt(j)).intValue() == i)
found = true;
if (!found)
{
/* try
{
monitor.addFileToList(info.fileName[i], info.fileSize[i], i, ClientGuiConstants.STATUS_NOT_SAVED);
}
catch (Exception e)
{} */
filesReadyToAssemble.add(new Integer(i));
manager.notifyAssembler();
}
}
}
}
catch (Exception e)
{}
}
public void assemblePendingFiles() {
do {
Vector nextGroup = new Vector();
synchronized(filesReadyToAssemble) {
if (filesReadyToAssemble.size() == 0)
return;
for (int i = 0; i < filesReadyToAssemble.size(); i++)
nextGroup.add(filesReadyToAssemble.elementAt(i));
filesReadyToAssemble.removeAllElements();
}
for (int i = 0; i < nextGroup.size(); i++)
assembleFile(((Integer)nextGroup.elementAt(i)).intValue());
} while (true);
}
private void createSaveFolder() {
try {
File f = new File(saveFolder);
f.mkdir();
try {
FileOutputStream out = new FileOutputStream(saveFolder + Constants.DO_NOT_EDIT_FILENAME);
out.write(Constants.DO_NOT_EDIT_MESSAGE.getBytes());
out.close();
}
catch (Exception e2) {}
}
catch (Exception e) {
manager.fatalError(ClientGuiConstants.ERROR_COULD_NOT_CREATE_FILE, 107);
}
}
public synchronized void removeTempFolder()
{
try
{
String prefix = objectName + "_";
File f = new File(tempFolder);
File[] files = f.listFiles();
for (int i=0; i<files.length; i++)
if (files[i].getName().indexOf(prefix) == 0)
{
try
{
if (!files[i].delete())
setPendingDelete(tempFolder + files[i].getName());
}
catch (Exception e)
{}
}
}
catch (Exception e)
{}
try
{
File f = new File(tempFolder + "furthur_info.cfg");
f.delete();
f = new File(tempFolder);
if (!f.delete())
setPendingDelete(tempFolder);
}
catch (Exception e)
{
}
try
{
new File(saveFolder + Constants.DO_NOT_EDIT_FILENAME).delete();
}
catch (Exception e)
{}
}
public synchronized boolean allFilesSuccessfullyAssembled()
{
try
{
for (int i=0; i<info.numFiles; i++)
if (info.filePath[i] == null)
return false;
return true;
}
catch (Exception e)
{}
return false;
}
public void setPendingDelete(String fileName)
{
synchronized (pendingDeletes)
{
pendingDeletes.add(fileName);
}
}
public void finishedWithFile(String fileName) {
if (fileName == null)
return;
synchronized (pendingDeletes)
{
try
{
for (int i=pendingDeletes.size()-1; i>=0; i--)
if (fileName.equals((String)pendingDeletes.elementAt(i)))
{
File f = new File(fileName);
if ((!f.exists()) || (f.delete()))
pendingDeletes.removeElementAt(i);
}
for (int i=pendingDeletes.size()-1; i>=0; i--)
if (fileName.indexOf((String)pendingDeletes.elementAt(i)) == 0) // if folder needs deleted
{
File f = new File((String)pendingDeletes.elementAt(i));
if ((!f.exists()) || (f.delete()))
pendingDeletes.removeElementAt(i);
}
}
catch (Exception e)
{}
}
}
public void deleteAllPending() {
synchronized (pendingDeletes) {
try {
for (int i = pendingDeletes.size()-1; i >= 0; i--) {
File f = new File(((String)pendingDeletes.elementAt(i)));
if ((!f.exists()) || (f.delete()))
pendingDeletes.removeElementAt(i);
}
}
catch (Exception e) {}
}
}
private void Sleep(int del) {
try {
Thread.sleep(del);
}
catch (Exception e) {}
}
public int getNumFiles() {
if (info == null)
return 0;
else
return info.numFiles;
}
public String getFileName(int i) {
return info.fileName[i];
}
public long getFileSize(int i) {
return info.fileSize[i];
}
public double getFilePercent(int i) {
long total = info.totalNumPackets(i);
return 100.0 * (double)(total - packetsLeft[i]) / total;
}
public String getFileStatus(int i) {
return info.fileStatus[i];
}
public synchronized long getPacketsRemaining() {
if (mapManager == null)
return 100; // ?
else
return mapManager.getPacketsRemaining();
}
public MapManager getMapManager() {
return mapManager;
}
public synchronized boolean validateMD5(String encodedMd5) {
int i;
String[] newMd5 = Common.tokenize(encodedMd5, info.numFiles);
// make sure the md5 list is valid
for (i = 0; i < info.numFiles; i++)
if (newMd5[i].length() != 32)
return false;
if (md5 == null) {
md5 = newMd5; // I haven't set my md5 list yet, use this one
}
else {
// I have set my md5 list, make sure this one is the same
for (i = 0; i < info.numFiles; i++)
if (!Common.equalStrings(newMd5[i], md5[i]))
return false;
}
//assume files already saved passed md5
for (i = 0; i < info.numFiles; i++)
if (info.filePath[i] != null)
calculatedMD5s[i] = md5[i];
return true;
}
private class MD5Listener implements MD5StatusListener {
FileTransferInfo fti = null;
long total = 0;
int fileIndex = -1;
public MD5Listener(FileTransferInfo _fti, int _fileIndex) {
fti = _fti;
fileIndex = _fileIndex;
}
public void updateStatus(long bytesProcessed) {
fti.fileStatus[fileIndex] = (int)((bytesProcessed+total)*100.0/info.fileSize[fileIndex]) + "% Validating MD5 Checksum";
}
public void completed(long bytesProcessed) {
total += bytesProcessed;
}
}
public boolean allMD5sMatch() {
try {
for (int i = 0; i < info.numFiles; i++)
if (!md5[i].equals(calculatedMD5s[i]))
return false;
return true;
}
catch (Exception e) {}
return false;
}
public static void move(String input, String output) {
File inputFile = new File(input);
File outputFile = new File(output);
inputFile.renameTo(outputFile);
}
public static void fileCopy(String src, String dst) {
try {
FileInputStream fis = new FileInputStream(src);
FileOutputStream fos = new FileOutputStream(dst);
int read = -1;
byte[] buf = new byte[8192];
while( (read = fis.read(buf)) != -1) {
fos.write(buf, 0, read);
}
fos.flush();
fos.close();
fis.close();
}
catch (Exception e) {
e.printStackTrace();
}
}
}
The table below shows all metrics for FileManager.java.
| Metric | Value | Description | |
|---|---|---|---|
| BLOCKS | 165.00 | Number of blocks | |
| BLOCK_COMMENT | 30.00 | Number of block comment lines | |
| COMMENTS | 52.00 | Comment lines | |
| COMMENT_DENSITY | 0.10 | Comment density | |
| COMPARISONS | 108.00 | Number of comparison operators | |
| CYCLOMATIC | 170.00 | Cyclomatic complexity | |
| DECL_COMMENTS | 1.00 | Comments in declarations | |
| DOC_COMMENT | 0.00 | Number of javadoc comment lines | |
| ELOC | 547.00 | Effective lines of code | |
| EXEC_COMMENTS | 20.00 | Comments in executable code | |
| EXITS | 76.00 | Procedure exits | |
| FUNCTIONS | 38.00 | Number of function declarations | |
| HALSTEAD_DIFFICULTY | 120.16 | Halstead difficulty | |
| HALSTEAD_EFFORT | 0.00 | Halstead effort | |
| INTERFACE_COMPLEXITY | 91.00 | Interface complexity | |
| JAVA0001 | 0.00 | JAVA0001 Package name does not contain only lower case letters | |
| JAVA0002 | 0.00 | JAVA0002 Package name does not begin with a top level domain name or country code | |
| JAVA0003 | 0.00 | JAVA0003 Minimize use of on-demand (.*) imports | |
| JAVA0004 | 0.00 | JAVA0004 Unnecessary import from java.lang | |
| JAVA0005 | 0.00 | JAVA0005 Imports not in specified order | |
| JAVA0006 | 0.00 | JAVA0006 Empty finally block | |
| JAVA0007 | 1.00 | JAVA0007 Should not declare public field | |
| JAVA0008 | 22.00 | JAVA0008 Empty catch block | |
| JAVA0009 | 0.00 | JAVA0009 Protected member in final class | |
| JAVA0010 | 0.00 | JAVA0010 Non-instantiable class does not contain a non-private static member | |
| JAVA0011 | 0.00 | JAVA0011 Abstract class does not contain an abstract method | |
| JAVA0012 | 0.00 | JAVA0012 Non-constructor method with same name as declaring class | |
| JAVA0013 | 0.00 | JAVA0013 Non-blank final field is not static | |
| JAVA0014 | 0.00 | JAVA0014 Class with only static members has non-private constructor | |
| JAVA0015 | 0.00 | JAVA0015 Package class contains public nested type | |
| JAVA0016 | 0.00 | JAVA0016 Abstract class contains public constructor | |
| JAVA0017 | 0.00 | JAVA0017 Class name does not have required form | |
| JAVA0018 | 0.00 | JAVA0018 Method name does not have required form | |
| JAVA0019 | 0.00 | JAVA0019 Interface name does not have required form | |
| JAVA0020 | 0.00 | JAVA0020 Field name does not have required form | |
| JAVA0021 | 0.00 | JAVA0021 Interface method name does not have required form | |
| JAVA0022 | 0.00 | JAVA0022 Static final field name does not have required form | |
| JAVA0023 | 0.00 | JAVA0023 Empty finalize method | |
| JAVA0024 | 0.00 | JAVA0024 Empty class | |
| JAVA0025 | 0.00 | JAVA0025 Method override is empty | |
| JAVA0026 | 0.00 | JAVA0026 Finalize method with parameters | |
| JAVA0029 | 0.00 | JAVA0029 Private method not used | |
| JAVA0030 | 0.00 | JAVA0030 Private field not used | |
| JAVA0031 | 0.00 | JAVA0031 Case statement not properly closed | |
| JAVA0032 | 0.00 | JAVA0032 Switch statement missing default | |
| JAVA0033 | 0.00 | JAVA0033 default: not last case in switch statement | |
| JAVA0034 | 32.00 | JAVA0034 Missing braces in if statement | |
| JAVA0035 | 16.00 | JAVA0035 Missing braces in for statement | |
| JAVA0036 | 1.00 | JAVA0036 Missing braces in while statement | |
| JAVA0038 | 0.00 | JAVA0038 Non-case label in switch statement | |
| JAVA0039 | 0.00 | JAVA0039 Break statement with label | |
| JAVA0040 | 0.00 | JAVA0040 Switch statement contains N cases (maximum: M) | |
| JAVA0041 | 3.00 | JAVA0041 Nested synchronized block | |
| JAVA0042 | 0.00 | JAVA0042 Empty synchronized statement | |
| JAVA0043 | 1.00 | JAVA0043 Inner class does not use outer class | |
| JAVA0044 | 0.00 | JAVA0044 Serializable class with no instance variables | |
| JAVA0045 | 0.00 | JAVA0045 Serializable class with only transient fields | |
| JAVA0046 | 0.00 | JAVA0046 Name of class not derived from Exception ends with 'Exception' | |
| JAVA0047 | 0.00 | JAVA0047 Serializable class derives from invalid base class | |
| JAVA0048 | 0.00 | JAVA0048 Name of class derived from Exception does not end with 'Exception' | |
| JAVA0049 | 6.00 | JAVA0049 Nested block at depth N (maximum: M) | |
| JAVA0050 | 0.00 | JAVA0050 Class derives from java.lang.Error | |
| JAVA0051 | 0.00 | JAVA0051 Class derives from java.lang.RuntimeException | |
| JAVA0052 | 0.00 | JAVA0052 Class derives from java.lang.Throwable | |
| JAVA0053 | 0.00 | JAVA0053 Unused label | |
| JAVA0054 | 0.00 | JAVA0054 Inheritance depth N exceeds maximum M | |
| JAVA0055 | 0.00 | JAVA0055 Class should be interface | |
| JAVA0056 | 0.00 | JAVA0056 Unnecessary abstract modifier for interface or annotation | |
| JAVA0057 | 0.00 | JAVA0057 Unnecessary default constructor | |
| JAVA0058 | 0.00 | JAVA0058 Constructor calls super() | |
| JAVA0059 | 0.00 | JAVA0059 Method override only calls super() | |
| JAVA0061 | 0.00 | JAVA0061 Inaccessible member in anonymous class | |
| JAVA0062 | 0.00 | JAVA0062 Public class missing public member or protected constructor | |
| JAVA0063 | 0.00 | JAVA0063 Identifier name should not contain '$' | |
| JAVA0064 | 0.00 | JAVA0064 N variations of identifier name (maximum: M) | |
| JAVA0065 | 0.00 | JAVA0065 Unnecessary final modifier for method in final class | |
| JAVA0066 | 0.00 | JAVA0066 Unnecessary modifier for interface nested type | |
| JAVA0067 | 1.00 | JAVA0067 Array descriptor on identifier name | |
| JAVA0068 | 0.00 | JAVA0068 Modifiers not declared in recommended order | |
| JAVA0071 | 0.00 | JAVA0071 Strings compared with == | |
| JAVA0073 | 0.00 | JAVA0073 Integer division in floating-point context | |
| JAVA0074 | 0.00 | JAVA0074 Use of Object.notify() | |
| JAVA0075 | 0.00 | JAVA0075 Method parameter hides field | |
| JAVA0076 | 12.00 | JAVA0076 Use of magic number | |
| JAVA0077 | 0.00 | JAVA0077 Private field not used in declaring class | |
| JAVA0078 | 0.00 | JAVA0078 Floating point values compared with == | |
| JAVA0079 | 0.00 | JAVA0079 Use of instance to reference static member | |
| JAVA0080 | 0.00 | JAVA0080 Import declaration not used | |
| JAVA0081 | 0.00 | JAVA0081 Boolean literal in comparison | |
| JAVA0082 | 0.00 | JAVA0082 Unnecessary widening cast | |
| JAVA0083 | 0.00 | JAVA0083 Unnecessary instanceof test | |
| JAVA0084 | 0.00 | JAVA0084 Should use compound assignment operator | |
| JAVA0085 | 0.00 | JAVA0085 Use of sun.* class | |
| JAVA0087 | 3.00 | JAVA0087 Use of Thread.sleep() | |
| JAVA0089 | 0.00 | JAVA0089 Use of restricted package | |
| JAVA0092 | 0.00 | JAVA0092 Use of restricted type | |
| JAVA0093 | 0.00 | JAVA0093 Redundant assignment | |
| JAVA0094 | 0.00 | JAVA0094 Field hides a superclass field | |
| JAVA0095 | 0.00 | JAVA0095 Uninitialized private field | |
| JAVA0096 | 0.00 | JAVA0096 Field in nested class hides outer field | |
| JAVA0098 | 0.00 | JAVA0098 Minimize use of implicit field initializers | |
| JAVA0100 | 1.00 | JAVA0100 Class contains N non-final fields (maximum: M) | |
| JAVA0101 | 0.00 | JAVA0101 Unnecessary modifier for field in interface | |
| JAVA0102 | 0.00 | JAVA0102 Last statement in finalize() not super.finalize() | |
| JAVA0103 | 0.00 | JAVA0103 Explicit call to finalize() | |
| JAVA0104 | 0.00 | JAVA0104 finalize() only calls super.finalize() | |
| JAVA0105 | 0.00 | JAVA0105 Duplicate import declaration | |
| JAVA0106 | 0.00 | JAVA0106 Unnecessary import from current package | |
| JAVA0108 | 0.00 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| JAVA0109 | 0.00 | JAVA0109 Incorrect javadoc: no parameter 'parameter' | |
| JAVA0110 | 0.00 | JAVA0110 Incorrect javadoc: no @return tag | |
| JAVA0111 | 0.00 | JAVA0111 Incorrect javadoc: @return tag for void method | |
| JAVA0112 | 0.00 | JAVA0112 Incorrect javadoc: no exception 'exception' in throws | |
| JAVA0113 | 0.00 | JAVA0113 Incorrect javadoc: no @author tag | |
| JAVA0114 | 0.00 | JAVA0114 Incorrect javadoc: no @version tag | |
| JAVA0115 | 0.00 | JAVA0115 Incorrect javadoc: no @throws or @exception tag for 'exception' | |
| JAVA0116 | 1.00 | JAVA0116 Missing javadoc: field 'field' | |
| JAVA0117 | 29.00 | JAVA0117 Missing javadoc: method 'method' | |
| JAVA0118 | 1.00 | JAVA0118 Missing javadoc: type 'type' | |
| JAVA0119 | 0.00 | JAVA0119 Control variable changed within body of for loop | |
| JAVA0123 | 0.00 | JAVA0123 Use all three components of for loop | |
| JAVA0125 | 0.00 | JAVA0125 Continue statement with label | |
| JAVA0126 | 0.00 | JAVA0126 Method declares unchecked exception in throws | |
| JAVA0128 | 1.00 | JAVA0128 Public constructor in non-public class | |
| JAVA0130 | 2.00 | JAVA0130 Non-static method does not use instance fields | |
| JAVA0131 | 0.00 | JAVA0131 Compatible method does not override base | |
| JAVA0132 | 0.00 | JAVA0132 Method overload with compatible signature | |
| JAVA0133 | 0.00 | JAVA0133 Non-synchronized method overrides synchronized method | |
| JAVA0135 | 0.00 | JAVA0135 Only one of Object.equals and Object.hashCode defined: missing 'method' | |
| JAVA0136 | 1.00 | JAVA0136 N methods defined in class (maximum: M) | |
| JAVA0137 | 0.00 | JAVA0137 Non-abstract class missing constructor | |
| JAVA0138 | 0.00 | JAVA0138 N parameters defined for method (maximum: M) | |
| JAVA0139 | 0.00 | JAVA0139 Definition of main other than public static void main(java.lang.String[]) | |
| JAVA0141 | 0.00 | JAVA0141 Unnecessary modifier for method in interface | |
| JAVA0143 | 6.00 | JAVA0143 Synchronized method | |
| JAVA0144 | 3.00 | JAVA0144 Line exceeds maximum M characters | |
| JAVA0145 | 0.00 | JAVA0145 Tab character used in source file | |
| JAVA0150 | 0.00 | JAVA0150 java.lang.Error (or subclass) thrown | |
| JAVA0153 | 0.00 | JAVA0153 Inefficient conversion of integer to string | |
| JAVA0159 | 0.00 | JAVA0159 Inefficient conversion of string to integer | |
| JAVA0160 | 0.00 | JAVA0160 Method does not throw specified exception | |
| JAVA0161 | 0.00 | JAVA0161 Conditional wait() not in loop | |
| JAVA0163 | 0.00 | JAVA0163 Empty statement | |
| JAVA0165 | 0.00 | JAVA0165 Conflicting return statement in finally block | |
| JAVA0166 | 31.00 | JAVA0166 Generic exception caught | |
| JAVA0167 | 0.00 | JAVA0167 ThreadDeath not rethrown | |
| JAVA0169 | 0.00 | JAVA0169 Unnecessary catch block: exception 'exception' | |
| JAVA0170 | 0.00 | JAVA0170 Caught exception not derived from java.lang.Exception | |
| JAVA0171 | 1.00 | JAVA0171 Unused local variable | |
| JAVA0173 | 0.00 | JAVA0173 Unused method parameter | |
| JAVA0174 | 0.00 | JAVA0174 Assigned local variable never used | |
| JAVA0175 | 0.00 | JAVA0175 Successive assignment to variable | |
| JAVA0176 | 0.00 | JAVA0176 Local variable name does not have required form | |
| JAVA0177 | 2.00 | JAVA0177 Variable declaration missing initializer | |
| JAVA0179 | 0.00 | JAVA0179 Local variable hides visible field | |
| JAVA0233 | 0.00 | JAVA0233 Definition of serialVersionUID other than 'private static final long serialVersionUID' | |
| JAVA0234 | 0.00 | JAVA0234 Class is Serializable but does not define serialVersionUID | |
| JAVA0235 | 0.00 | JAVA0235 Class defines serialVersionUID but does not implement Serializable | |
| JAVA0236 | 0.00 | JAVA0236 Attempt to clone an object which does not implement Cloneable | |
| JAVA0237 | 0.00 | JAVA0237 Class implements Cloneable but does not have public clone method | |
| JAVA0238 | 0.00 | JAVA0238 Clone method does not call super.clone() | |
| JAVA0239 | 0.00 | JAVA0239 Class declares 'readObject' or 'writeObject' but does not implement Serializable | |
| JAVA0240 | 0.00 | JAVA0240 Serializable class which declares readObject or writeObject but not both | |
| JAVA0241 | 0.00 | JAVA0241 'readObject' or 'writeObject' should be declared private in Serializable class | |
| JAVA0242 | 0.00 | JAVA0242 Transient field in non-Serializable class | |
| JAVA0243 | 0.00 | JAVA0243 'readResolve' or 'writeReplace' should be declared private or protected | |
| JAVA0244 | 0.00 | JAVA0244 Field or method name in subclass differs only by case from inherited field or method | |
| JAVA0245 | 0.00 | JAVA0245 JUnit TestCase with non-trivial constructor | |
| JAVA0246 | 0.00 | JAVA0246 JUnit assertXXX statement missing message parameter | |
| JAVA0247 | 0.00 | JAVA0247 JUnit 'setUp()' and 'tearDown()' should call super method | |
| JAVA0248 | 0.00 | JAVA0248 JUnit method 'setUp' or 'tearDown' with incorrect signature | |
| JAVA0249 | 0.00 | JAVA0249 JUnit TestCase 'suite()' should be declared static | |
| JAVA0250 | 0.00 | JAVA0250 JUnit TestCase declares testXXX method with incorrect signature | |
| JAVA0251 | 0.00 | JAVA0251 Use '%n' for line breaks in printf/format for platform independence | |
| JAVA0252 | 0.00 | JAVA0252 'enum' is a Java 1.5 reserved word | |
| JAVA0253 | 0.00 | JAVA0253 Not all enum constants consumed in switch statement | |
| JAVA0254 | 0.00 | JAVA0254 Use enhanced for loop construct instead of Iterator | |
| JAVA0255 | 0.00 | JAVA0255 Result of method invocation not used | |
| JAVA0256 | 0.00 | JAVA0256 Assignment of external collection/array to field | |
| JAVA0257 | 0.00 | JAVA0257 Use of 'Constant Interface' anti-pattern | |
| JAVA0258 | 0.00 | JAVA0258 Implement Iterable for foreach compatibility | |
| JAVA0259 | 0.00 | JAVA0259 Return of collection/array field | |
| JAVA0260 | 0.00 | JAVA0260 Use 'enum' instead of Enumerated Type pattern | |
| JAVA0261 | 0.00 | JAVA0261 Use specialized Enum collection types | |
| JAVA0262 | 0.00 | JAVA0262 Use of char in integer context | |
| JAVA0263 | 0.00 | JAVA0263 Long literal ends with 'l' instead of 'L' | |
| JAVA0264 | 0.00 | JAVA0264 Integer math in long context - check for overflow | |
| JAVA0265 | 3.00 | JAVA0265 Use of Throwable.printStackTrace() | |
| JAVA0266 | 0.00 | JAVA0266 Use of System.out | |
| JAVA0267 | 0.00 | JAVA0267 Use of System.err | |
| JAVA0269 | 0.00 | JAVA0269 Contents of StringBuffer never used | |
| JAVA0270 | 3.00 | JAVA0270 Use Java 5.0 enhanced for loop construct to iterate over all elements in an array | |
| JAVA0271 | 0.00 | JAVA0271 Minimize use of on-demand (.*) static imports | |
| JAVA0272 | 0.00 | JAVA0272 Thread.run() called | |
| JAVA0273 | 0.00 | JAVA0273 Non-final derivative of Thread calls start() in constructor | |
| JAVA0274 | 0.00 | JAVA0274 Serializable class has a synchronized readObject() | |
| JAVA0275 | 0.00 | JAVA0275 Serializable class has a synchronized writeObject() and no other synchronized methods | |
| JAVA0276 | 0.00 | JAVA0276 Unnecessary use of String constructor | |
| JAVA0277 | 0.00 | JAVA0277 Iterator.next() implementation does not throw NoSuchElementException | |
| JAVA0278 | 0.00 | JAVA0278 Unnecessary use of Boolean constructor | |
| JAVA0279 | 0.00 | JAVA0279 Serialization method readObject or readObjectNoData calls an overridable method | |
| JAVA0280 | 0.00 | JAVA0280 IllegalMonitorStateException caught | |
| JAVA0281 | 0.00 | JAVA0281 Iterator.next() not called in loop | |
| JAVA0282 | 0.00 | JAVA0282 Call to Iterator.next() in loop which does not test Iterator.hasNext() | |
| JAVA0283 | 0.00 | JAVA0283 Control variable not updated in loop body | |
| JAVA0284 | 0.00 | JAVA0284 Explicit garbage collection | |
| JAVA0285 | 0.00 | JAVA0285 Dereference of potentially null variable | |
| JAVA0286 | 0.00 | JAVA0286 Dereference of null variable | |
| JAVA0287 | 1.00 | JAVA0287 Unnecessary null check | |
| JAVA0288 | 0.00 | JAVA0288 Inconsistent null check | |
| LINES | 971.00 | Number of lines in the source file | |
| LINE_COMMENT | 22.00 | Number of line comments | |
| LOC | 799.00 | Lines of code | |
| LOGICAL_LINES | 357.00 | Number of statements | |
| LOOPS | 30.00 | Number of loops | |
| NEST_DEPTH | 9.00 | Maximum nesting depth | |
| OPERANDS | 1503.00 | Number of operands | |
| OPERATORS | 3013.00 | Number of operators | |
| PARAMS | 33.00 | Number of formal parameter declarations | |
| PROGRAM_LENGTH | 4516.00 | Halstead program length | |
| PROGRAM_VOCAB | 428.00 | Halstead program vocabulary | |
| PROGRAM_VOLUME | 0.00 | Halstead program volume | |
| RETURNS | 58.00 | Number of return points from functions | |
| SIZE | 28613.00 | Size of the file in bytes | |
| UNIQUE_OPERANDS | 369.00 | Number of unique operands | |
| UNIQUE_OPERATORS | 59.00 | Number of unique operators | |
| WHITESPACE | 120.00 | Number of whitespace lines | |