Utilities.java
| Index Score | ||
|---|---|---|
 |
 |
org.jext |
 |
 |
Jext |
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 | |
|---|---|---|
| JAVA0034 | JAVA0034 Missing braces in if statement |  |
| LOOPS | Number of loops | |
| DECL_COMMENTS | Comments in declarations | |
| CYCLOMATIC | Cyclomatic complexity | |
| JAVA0039 | JAVA0039 Break statement with label | |
| COMMENTS | Comment lines | |
| LINES | Number of lines in the source file | |
| COMPARISONS | Number of comparison operators | |
| SIZE | Size of the file in bytes | |
| PARAMS | Number of formal parameter declarations | |
| JAVA0035 | JAVA0035 Missing braces in for statement | |
| JAVA0108 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| BLOCK_COMMENT | Number of block comment lines | |
| OPERATORS | Number of operators | |
| LOGICAL_LINES | Number of statements | |
| PROGRAM_LENGTH | Halstead program length | |
| DOC_COMMENT | Number of javadoc comment lines | |
| INTERFACE_COMPLEXITY | Interface complexity | |
| LOC | Lines of code | |
| JAVA0110 | JAVA0110 Incorrect javadoc: no @return tag | |
| OPERANDS | Number of operands | |
| JAVA0177 | JAVA0177 Variable declaration missing initializer | |
| ELOC | Effective lines of code | |
| EXITS | Procedure exits | |
| JAVA0036 | JAVA0036 Missing braces in while statement | |
| JAVA0031 | JAVA0031 Case statement not properly closed | |
| RETURNS | Number of return points from functions | |
| PROGRAM_VOCAB | Halstead program vocabulary | |
| UNIQUE_OPERANDS | Number of unique operands | |
| JAVA0123 | JAVA0123 Use all three components of for loop | |
| JAVA0071 | JAVA0071 Strings compared with == | |
| FUNCTIONS | Number of function declarations | |
| JAVA0032 | JAVA0032 Switch statement missing default | |
| BLOCKS | Number of blocks | |
| JAVA0067 | JAVA0067 Array descriptor on identifier name | |
| UNIQUE_OPERATORS | Number of unique operators | |
| WHITESPACE | Number of whitespace lines | |
| JAVA0119 | JAVA0119 Control variable changed within body of for loop | |
| PROGRAM_VOLUME | Halstead program volume | |
| JAVA0136 | JAVA0136 N methods defined in class (maximum: M) | |
| JAVA0174 | JAVA0174 Assigned local variable never used | |
| JAVA0079 | JAVA0079 Use of instance to reference static member | |
| JAVA0160 | JAVA0160 Method does not throw specified exception | |
| JAVA0126 | JAVA0126 Method declares unchecked exception in throws | |
| JAVA0117 | JAVA0117 Missing javadoc: method 'method' | |
| EXEC_COMMENTS | Comments in executable code | |
| LINE_COMMENT | Number of line comments | |
| JAVA0145 | JAVA0145 Tab character used in source file | |
/*
* 05/25/2001 - 22:06:52
*
* Utilities.java - Some utilities for Jext and its classes
* Copyright (C) 1999-2000 Romain Guy
* romain.guy@jext.org
* www.jext.org
* Portions Copyright (C) 2003 Paolo Giarrusso
* blaisorblade_work@yahoo.it
*
* 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 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.jext;
import java.io.*;
import java.awt.*;
import java.util.*;
import javax.swing.*;
import java.net.URL;
import java.net.URLConnection;
import org.jext.misc.SwingWorker;
import org.jext.misc.HandlingRunnable;
import org.jext.misc.CopyThread;
import org.jext.misc.DownloaderThread;
/**
* This class contains a bunch of methods, useful for the programmer.
* @author Romain Guy, Slava Pestov, James Gosling, Paolo Giarrusso
* @version 2.3.0
* @see Jext
*/
public class Utilities
{
/** This constant defines an open dialog box. */
public static final int OPEN = 0;
/** This constant defines a save dialog box. */
public static final int SAVE = 1;
/** This constant defines an open dialog box. */
public static final int SCRIPT = 2;
/** JDK release version. */
public static final String JDK_VERSION = System.getProperty("java.version");
/**
* Display a sample message in a dialog box.
* @param message The message to display
*/
public static void showMessage(String message)
{
JOptionPane.showMessageDialog(null, message, Jext.getProperty("utils.message"),
JOptionPane.INFORMATION_MESSAGE);
}
/**
* Display an error message in a dialog box.
* @param message The message to display
*/
public static void showError(String message)
{
JOptionPane.showMessageDialog(null, message, Jext.getProperty("utils.error"),
JOptionPane.ERROR_MESSAGE);
}
/**
* Display a sample message in a dialog box.
* @param message The message to display
*/
public static void showMessage(String title, String message)
{
JOptionPane.showMessageDialog(null, message, title, JOptionPane.INFORMATION_MESSAGE);
}
/**
* This methods is used to determine screen's dimensions.
* @return A <code>Dimension</code> object containing screen's resolution
*/
public static Dimension getScreenDimension()
{
return Jext.getMyToolkit().getScreenSize();
}
/**
* A very nice trick is to center windows on screen, this method
* helps you to to that.
* @param compo The <code>Component</code> to center
*/
public static void centerComponent(Component compo)
{
compo.setLocation(new Point((getScreenDimension().width - compo.getSize().width) / 2,
(getScreenDimension().height - compo.getSize().height) / 2));
}
/**
* A very nice trick is to center dialog with their parent.
* @param parent The parent <code>Component</code>
* @param child The <code>Component</code> to center
*/
public static void centerComponentChild(Component parent, Component child)
{
Rectangle par = parent.getBounds();
Rectangle chi = child.getBounds();
child.setLocation(new Point(par.x + (par.width - chi.width) / 2,
par.y + (par.height - chi.height) / 2));
}
/**
* Converts a clas name to a file name. All periods are replaced
* with slashes and the '.class' extension is added.
* @param name The class name
*/
public static String classToFile(String name)
{
return name.replace('.', '/').concat(".class");
}
/**
* Converts a file name to a class name. All slash characters are
* replaced with periods and the trailing '.class' is removed.
* @param name The file name
*/
public static String fileToClass(String name)
{
char[] clsName = name.toCharArray();
for (int i = clsName.length - 6; i >= 0; i--)
if (clsName[i] == '/')
clsName[i] = '.';
return new String(clsName, 0, clsName.length - 6);
}
/**
* Used to 'beep' the user.
*/
public static void beep()
{
Jext.getMyToolkit().beep();
}
/**
* Long operations need to display an hourglass.
* @param comp The <code>JComponent</code> on which to apply the hour glass cursor
* @param on If true, we set the cursor on the hourglass
*/
public static void setCursorOnWait(Component comp, boolean on)
{
if (on)
{
if (comp instanceof JextFrame)
((JextFrame) comp).showWaitCursor();
else
comp.setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));
} else {
if (comp instanceof JextFrame)
((JextFrame) comp).hideWaitCursor();
else
comp.setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
}
}
/**
* We may need to load and display images.
* @param picture The path to the image
* @param source The class 'root'
* @return An <code>ImageIcon</code>
*/
public static ImageIcon getIcon(String picture, Class source)
{
return new ImageIcon(Jext.getMyToolkit().getImage(source.getResource(picture)));
}
/**
* We may need to load and display images.
* @param picture The path to the image
* @param source The class 'root'
* @return An <code>Image</code>
*/
public static Image getImage(String picture, Class source)
{
return Jext.getMyToolkit().getImage(source.getResource(picture));
}
/**
* Display a file chooser dialog box and returns selected files.
* @param owner <code>Component</code> which 'owns' the dialog
* @param mode Can be either <code>OPEN</code>, <code>SCRIPT</code> or <code>SAVE</code>
* @return The path to selected file, null otherwise
*/
public static String[] chooseFiles(Component owner, int mode)
{
if (JDK_VERSION.charAt(2) <= '2')
return new String[] { chooseFile(owner, mode) };
JFileChooser chooser = getFileChooser(owner, mode);
chooser.setMultiSelectionEnabled(true);
if (chooser.showDialog(owner, null) == JFileChooser.APPROVE_OPTION)
{
Jext.setProperty("lastdir." + mode, chooser.getSelectedFile().getParent());
File[] _files = chooser.getSelectedFiles();
if (_files == null)
return null;
String[] files = new String[_files.length];
for (int i = 0; i < files.length; i++)
files[i] = _files[i].getAbsolutePath();
return files;
} else
owner.repaint();
return null;
}
/**
* Display a file chooser dialog box.
* @param owner <code>Component</code> which 'owns' the dialog
* @param mode Can be either <code>OPEN</code>, <code>SCRIPT</code> or <code>SAVE</code>
* @return The path to selected file, null otherwise
*/
public static String chooseFile(Component owner, int mode)
{
JFileChooser chooser = getFileChooser(owner, mode);
chooser.setMultiSelectionEnabled(false);
if (chooser.showDialog(owner, null) == JFileChooser.APPROVE_OPTION)
{
Jext.setProperty("lastdir." + mode, chooser.getSelectedFile().getParent());
return chooser.getSelectedFile().getAbsolutePath();
} else
owner.repaint();
return null;
}
private static JFileChooser getFileChooser(Component owner, int mode)
{
JFileChooser chooser = null;
String last = Jext.getProperty("lastdir." + mode);
if (last == null)
last = Jext.getHomeDirectory();
if (owner instanceof JextFrame)
{
chooser = ((JextFrame) owner).getFileChooser(mode);
if (Jext.getBooleanProperty("editor.dirDefaultDialog") && mode != SCRIPT)
{
String file = ((JextFrame) owner).getTextArea().getCurrentFile();
if (file != null)
chooser.setCurrentDirectory(new File(file));
} else
chooser.setCurrentDirectory(new File(last));
} else {
chooser = new JFileChooser(last);
if (mode == SAVE)
chooser.setDialogType(JFileChooser.SAVE_DIALOG);
else
chooser.setDialogType(JFileChooser.OPEN_DIALOG);
}
chooser.setFileSelectionMode(JFileChooser.FILES_ONLY);
chooser.setFileHidingEnabled(true);
return chooser;
}
/**
* Create a blank String made of spaces.
* @param len Amount of spaces contained in the String
* @return A blank <code>String</code>
*/
public static String createWhiteSpace(int len)
{
return createWhiteSpace(len, 0);
}
/**
* Create a blank String made of tabs.
* @param len Amount of spaces contained in the String
* @param tabSize Tabulation size
* @return A blank <code>String</code>
*/
public static String createWhiteSpace(int len, int tabSize)
{
StringBuffer buf = new StringBuffer();
if (tabSize == 0)
{
while(len-- > 0)
buf.append(' ');
} else {
int count = len / tabSize;
while(count-- > 0)
buf.append('\t');
count = len % tabSize;
while(count-- > 0)
buf.append(' ');
}
return buf.toString();
}
/**
* Returns the number of leading white space characters in the
* specified string.
* @param str The string
*/
public static int getLeadingWhiteSpace(String str)
{
int whitespace = 0;
loop: for( ; whitespace < str.length(); )
{
switch(str.charAt(whitespace))
{
case ' ': case '\t':
whitespace++;
break;
default:
break loop;
}
}
return whitespace;
}
/**
* Returns the width of the leading white space in the specified
* string.
* @param str The string
* @param tabSize The tab size
*/
public static int getLeadingWhiteSpaceWidth(String str, int tabSize)
{
int whitespace = 0;
loop: for (int i = 0; i < str.length(); i++)
{
switch(str.charAt(i))
{
case ' ':
whitespace++;
break;
case '\t':
whitespace += (tabSize - whitespace % tabSize);
break;
default:
break loop;
}
}
return whitespace;
}
public static int getRealLength(String str, int tabSize)
{
int pos = 0;
for (int i = 0; i < str.length(); i++)
{
switch(str.charAt(i))
{
case '\t':
pos += tabSize;
break;
default:
pos++;
}
}
return pos;
}
/**
* Some String can be too long to be correctly displayed on the screen.
* Mainly when it is a path to a file. This method truncate a String.
* @param longString The <code>String</code> to be truncated
* @param maxLength The maximum length of the <code>String</code>
* @return The truncated string
*/
public static String getShortStringOf(String longString, int maxLength)
{
int len = longString.length();
if (len <= maxLength)
return longString;
else if (longString.indexOf('\\') == -1 && longString.indexOf('/') == -1)
{
StringBuffer buff = new StringBuffer(longString.substring(longString.length() - maxLength));
for(int i =0; i < 3; i++)
buff.setCharAt(i, '.');
return buff.toString();
} else {
int first = len / 2;
int second = first;
for (int i = first - 1; i >= 0; i--)
{
if (longString.charAt(i) == '\\' || longString.charAt(i) == '/')
{
first = i;
break;
}
}
for (int i = second + 1; i < len; i++)
{
if (longString.charAt(i) == '\\' || longString.charAt(i) == '/')
{
second = i;
break;
}
}
loop: while ((len - (second - first)) > maxLength)
{
out: for (int i = first - 1; i >= 0; i--)
{
switch (longString.charAt(i))
{
case '\\': case '/':
first = i;
break out;
}
}
if ((len - (second - first)) < maxLength)
break loop;
out2: for (int i = second + 1; i < len; i++)
{
switch (longString.charAt(i))
{
case '\\': case '/':
second = i;
break out2;
}
}
}
return longString.substring(0, first + 1) + "..." + longString.substring(second);
//return longString.substring(0, maxLength / 2) + "..." +
// longString.substring(len - (maxLength / 2));
}
}
/**
* Constructs a new path from current user path. This is an easy way to get a path
* if the user specified, for example, "..\Java" as new path. This method will return
* the argument if this one is a path to a root (i.e, if <code>change</code> is equal
* to C:\Jdk, constructPath will return C:\Jdk).
* @param change The modification to apply to the path
*/
public static String constructPath(String change)
{
if (beginsWithRoot(change))
return change;
StringBuffer newPath = new StringBuffer(getUserDirectory());
char current;
char lastChar = '\0';
boolean toAdd = false;
change = change.trim();
StringBuffer buf = new StringBuffer(change.length());
for (int i = 0; i < change.length(); i++)
{
switch ((current = change.charAt(i)))
{
case '.':
if (lastChar == '.')
{
String parent = (new File(newPath.toString())).getParent();
if (parent != null) newPath = new StringBuffer(parent);
} else if ((lastChar != '\0' && lastChar != '\\' && lastChar != '/') ||
(i < change.length() - 1 && change.charAt(i + 1) != '.'))
buf.append('.');
lastChar = '.';
break;
case '\\': case '/':
if (lastChar == '\0')
{
newPath = new StringBuffer(getRoot(newPath.toString()));
} else {
char c = newPath.charAt(newPath.length() - 1);
if (c != '\\' && c != '/')
newPath.append(File.separator).append(buf.toString());
else
newPath.append(buf.toString());
buf = new StringBuffer();
toAdd = false;
}
lastChar = '\\';
break;
case '~':
if (i < change.length() - 1)
{
if (change.charAt(i + 1) == '\\' || change.charAt(i + 1) == '/')
newPath = new StringBuffer(getHomeDirectory());
else
buf.append('~');
} else if (i == 0)
newPath = new StringBuffer(getHomeDirectory());
else
buf.append('~');
lastChar = '~';
break;
default:
lastChar = current;
buf.append(current);
toAdd = true;
break;
}
}
if (toAdd)
{
char c = newPath.charAt(newPath.length() - 1);
if (c != '\\' && c != '/')
newPath.append(File.separator).append(buf.toString());
else
newPath.append(buf.toString());
}
return newPath.toString();
}
/**
* It can be necessary to check if a path specified by the user is an absolute
* path (i.e C:\Gfx\3d\Utils is absolute whereas ..\Jext is relative).
* @param path The path to check
* @return <code>true</code> if <code>path</code> begins with a root name
*/
public static boolean beginsWithRoot(String path)
{
if (path.length() == 0)
return false;
File file = new File(path);
File[] roots = file.listRoots();
for (int i = 0; i < roots.length; i++)
if (path.regionMatches(true, 0, roots[i].getPath(), 0, roots[i].getPath().length()))
return true;
return false;
}
/**
* Returns user directory.
*/
public static String getUserDirectory()
{
return System.getProperty("user.dir");
}
/**
* Returns user's home directory.
*/
public static String getHomeDirectory()
{
return System.getProperty("user.home");
}
/**
* It can be necessary to determine which is the root of a path.
* For example, the root of D:\Projects\Java is D:\.
* @param path The path used to get a root
* @return The root which contais the specified path
*/
public static String getRoot(String path)
{
File file = new File(path);
File[] roots = file.listRoots();
for (int i = 0; i < roots.length; i++)
if (path.startsWith(roots[i].getPath()))
return roots[i].getPath();
return path;
}
/**
* When the user has to specify file names, he can use wildcards (*, ?). This methods
* handles the usage of these wildcards.
* @param s Wilcards
* @param sort Set to true will sort file names
* @return An array of String which contains all files matching <code>s</code>
* in current directory.
*/
public static String[] getWildCardMatches(String s, boolean sort)
{
return getWildCardMatches(null, s, sort);
}
/**
* When the user has to specify file names, he can use wildcards (*, ?). This methods
* handles the usage of these wildcards.
* @param path The path were to search
* @param s Wilcards
* @param sort Set to true will sort file names
* @return An array of String which contains all file names matching <code>s</code>
* in <code>path</code> directory.
*/
public static String[] getWildCardMatches(String path, String s, boolean sort)
{
if (s == null)
return null;
String files[];
String filesThatMatch[];
String args = new String(s.trim());
ArrayList filesThatMatchVector = new ArrayList();
File fPath;
if (path == null || path == "")
fPath = new File(getUserDirectory());
else {
fPath = new File(path);
if (! fPath.isAbsolute())
fPath = new File(getUserDirectory(), path);
}
files = fPath.list();
if (files == null)
return null;
for (int i = 0; i < files.length; i++)
{
if (match(args, files[i]))
{
//File temp = new File(getUserDirectory(), files[i]);
File temp = new File(path, files[i]);
filesThatMatchVector.add(new String(temp.getName()));
}
}
filesThatMatch = (String[]) filesThatMatchVector.toArray(new String[filesThatMatchVector.size()]);
filesThatMatchVector = null;
if (sort)
Arrays.sort(filesThatMatch);
return filesThatMatch;
}
/**
* This method can determine if a String matches a pattern of wildcards
* @param pattern The pattern used for comparison
* @param string The String to be checked
* @return true if <code>string</code> matches <code>pattern</code>
*/
public static boolean match(String pattern, String string)
{
for (int p = 0; ; p++)
{
for (int s = 0; ; p++, s++)
{
boolean sEnd = (s >= string.length());
boolean pEnd = (p >= pattern.length() || pattern.charAt(p) == '|');
if (sEnd && pEnd)
return true;
int end = pattern.indexOf('|', p);
if (end == -1)
end = pattern.length();
if (sEnd && ! pEnd && pattern.substring(p, end).equals("*"))
return true;
if (sEnd || pEnd)
break;
if (pattern.charAt(p) == '?')
continue;
if (pattern.charAt(p) == '*')
{
int i;
p++;
for (i = string.length(); i >= s; --i)
if (match(pattern.substring(p), string.substring(i))) return true;
break;
}
if (pattern.charAt(p) != string.charAt(s))
break;
}
p = pattern.indexOf('|', p);
if (p == -1)
return false;
}
}
/**
* Quick sort an array of Strings.
* @param string Strings to be sorted
* @deprecated Use the standard Java java.util.Array.sort instead.
*/
public static void sortStrings(String[] strings)
{
Arrays.sort(strings);
}
//The below code is left here, even if it is useless, because maybe there are
//plugins which need it. sortStrings is needed by jftp, so it's there.
//Remember that sortStrings is listed in the docs, so you can't remove it.
/*
* Quick sort an array of Strings.
* @param a Strings to be sorted
* @param lo0 Lower bound
* @param hi0 Higher bound
*/
/*public static void sortStrings(String a[], int lo0, int hi0)
{
int lo = lo0;
int hi = hi0;
String mid;
if (hi0 > lo0)
{
mid = a[(lo0 + hi0) / 2];
while (lo <= hi)
{
while (lo < hi0 && a[lo].compareTo(mid) < 0)
++lo;
while (hi > lo0 && a[hi].compareTo(mid) > 0)
--hi;
if (lo <= hi)
{
swap(a, lo, hi);
++lo;
--hi;
}
}
if (lo0 < hi)
sortStrings(a, lo0, hi);
if (lo < hi0)
sortStrings(a, lo, hi0);
}
}*/
/*
* Swaps two Strings.
* @param a The array to be swapped
* @param i First String index
* @param j Second String index
*/
/*public static void swap(String a[], int i, int j)
{
String T;
T = a[i];
a[i] = a[j];
a[j] = T;
}*/
/**
* Lists content of a directory.
* @param names Names of the files
* @param construct Set it to true if names does not contain full paths
* @return An array of Files
*/
public static File[] listFiles(String[] names, boolean construct)
{
return listFiles(names, null, construct);
}
/**
* Lists content of a directory.
* @param names Names of the files
* @param path Base path for files
* @param construct Set it to true if names do not contain full paths
* @return An array of Files
*/
public static File[] listFiles(String[] names, String path, boolean construct)
{
if (names == null)
return null;
File fPath;
if (path == null || path == "")
fPath = new File(getUserDirectory());
else {
fPath = new File(path);
if (! fPath.isAbsolute())
fPath = new File(getUserDirectory(), path);
}
File[] files = new File[names.length];
for (int i = 0; i < files.length; i++)
{
if (construct)
files[i] = new File(fPath, names[i]);
else
files[i] = new File(names[i]);
}
return files;
}
/**
* Turns a Un*x glob filter to regexp one
* @param glob Globbed filter
*/
public static String globToRE(String glob)
{
char c = '\0';
boolean escape = false, enclosed = false;
StringBuffer _buf = new StringBuffer(glob.length());
for (int i = 0; i < glob.length(); i++)
{
c = glob.charAt(i);
if (escape)
{
_buf.append('\\');
_buf.append(c);
escape = false;
continue;
}
switch(c)
{
case '*':
_buf.append('.').append('*');
break;
case '?':
_buf.append('.');
break;
case '\\':
escape = true;
break;
case '.':
_buf.append('\\').append('.');
break;
case '{':
_buf.append('(');
enclosed = true;
break;
case '}':
_buf.append(')');
enclosed = false;
break;
case ',':
if (enclosed)
_buf.append('|');
else
_buf.append(',');
break;
default:
_buf.append(c);
}
}
return _buf.toString();
}
/*public static void downloadFile(URL source, String outPath, boolean threaded,
HandlingRunnable notify) throws IOException {
try {
//String tempPath = outPath + "__FRAG__";
//final File outFile = new File(outPath), tempFile = new File(tempPath);
//FIXME: think about the case below. The caller must avoid that we download the file 2 times.
//Not us!
/*if (tempFile.exists())
tempFile.renameTo(new File(tempPath + ".bak")); //Could fail and return false!*/
/*HandlingRunnable renamer = new HandlingRunnable() {
public void run() {
if (expectedLen != -1 && expectedLen != tempFile.length()) {
//exceptional condition:
if (excep == null && notify != null)
notify.setException(new IOException("The download was not completed"));
}
if (outFile.exists()) {
outFile.renameTo(new File(outPath + ".bak")); //Could fail and return false!
outFile.delete();
}
tempFile.renameTo(outFile);
if (notify != null) {
notify.setException(excep); //we won't handle it: this will be done by notify.
notify.run();
}
} //run method end
};
copy(threaded, renamer);
} catch (IOException ioe) {
try {
if (in != null)
in.close();//if things go well, copy() closes the streams!
} catch (IOException ioe2) {}
throw ioe;
}
}*/
/**
* @since Jext 3.2pre4
*/
/*public static void downloadFile(URL source, String outPath, boolean threaded) throws IOException {
downloadFile(source, outPath, threaded, null);
}*/
/**
* Downloads the file specified in the URL to the File with the <code>outPath</code> path using
* copy() (so see copy() for infos about notify and threaded).
* @since Jext 3.2pre4
*/
public static void downloadFile(URL source, String outPath, boolean threaded,
HandlingRunnable notify) /*throws IOException*/ {
DownloaderThread downloader = new DownloaderThread(source, notify, outPath);
/*try {
if (threaded)
downloader.start();
else
downloader.run();
} catch (Throwable t) {
throw (IOException) t;
}*/
downloader.start(threaded);
}
/**
* Convenience method for calling
* @link{#copy(java.io.InputStream,java.io.OutputStream,boolean,org.jext.misc.HandlingRunnable)} passing a null
* <code>notify</code>callback.
* @since Jext 3.2pre4
*/
/*public static void copy(final InputStream in, final OutputStream out, boolean threaded) throws IOException {
copy(in, out, threaded, null);
}*/
/**
* This method copy the content of the InputStream in to the OutputStream out, in the calling thread or
* in a new one.
* If threaded is true, a new thread is created, and notify will be called at the end, and will have passed
* the exception eventually thrown while doing the copy.
* Otherwise, the copy is done synchronously; if an exception is thrown during the copy it is dispatched to the calling
* method, otherwise the notify is called.
* @since Jext 3.2pre4
*/
public static void copy(InputStream in, OutputStream out, boolean threaded,
HandlingRunnable notify) throws IOException {
CopyThread copier = new CopyThread(in, out, notify);
/*try {
if (threaded)
copier.start();
else
copier.run();
} catch (Throwable t) {
throw (IOException) t;
}*/
copier.start(threaded);
}
}
// End of Utilities.java
The table below shows all metrics for Utilities.java.
| Metric | Value | Description | |
|---|---|---|---|
| BLOCKS | 72.00 | Number of blocks | |
| BLOCK_COMMENT | 136.00 | Number of block comment lines | |
| COMMENTS | 343.00 | Comment lines | |
| COMMENT_DENSITY | 0.88 | Comment density | |
| COMPARISONS | 87.00 | Number of comparison operators | |
| CYCLOMATIC | 154.00 | Cyclomatic complexity | |
| DECL_COMMENTS | 51.00 | Comments in declarations | |
| DOC_COMMENT | 200.00 | Number of javadoc comment lines | |
| ELOC | 391.00 | Effective lines of code | |
| EXEC_COMMENTS | 4.00 | Comments in executable code | |
| EXITS | 72.00 | Procedure exits | |
| FUNCTIONS | 35.00 | Number of function declarations | |
| HALSTEAD_DIFFICULTY | 109.34 | Halstead difficulty | |
| HALSTEAD_EFFORT | 0.00 | Halstead effort | |
| INTERFACE_COMPLEXITY | 113.00 | 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 | 1.00 | JAVA0005 Imports not in specified order | |
| JAVA0006 | 0.00 | JAVA0006 Empty finally block | |
| JAVA0007 | 0.00 | JAVA0007 Should not declare public field | |
| JAVA0008 | 0.00 | 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 | 1.00 | 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 | 2.00 | JAVA0031 Case statement not properly closed | |
| JAVA0032 | 2.00 | JAVA0032 Switch statement missing default | |
| JAVA0033 | 0.00 | JAVA0033 default: not last case in switch statement | |
| JAVA0034 | 50.00 | JAVA0034 Missing braces in if statement | |
| JAVA0035 | 6.00 | JAVA0035 Missing braces in for statement | |
| JAVA0036 | 3.00 | JAVA0036 Missing braces in while statement | |
| JAVA0038 | 0.00 | JAVA0038 Non-case label in switch statement | |
| JAVA0039 | 5.00 | JAVA0039 Break statement with label | |
| JAVA0040 | 0.00 | JAVA0040 Switch statement contains N cases (maximum: M) | |
| JAVA0041 | 0.00 | JAVA0041 Nested synchronized block | |
| JAVA0042 | 0.00 | JAVA0042 Empty synchronized statement | |
| JAVA0043 | 0.00 | 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 | 0.00 | 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 | 2.00 | JAVA0067 Array descriptor on identifier name | |
| JAVA0068 | 0.00 | JAVA0068 Modifiers not declared in recommended order | |
| JAVA0071 | 2.00 | 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 | 2.00 | 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 | 2.00 | JAVA0079 Use of instance to reference static member | |
| JAVA0080 | 2.00 | 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 | 0.00 | 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 | 0.00 | 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 | 10.00 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| JAVA0109 | 1.00 | JAVA0109 Incorrect javadoc: no parameter 'parameter' | |
| JAVA0110 | 8.00 | 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 | 1.00 | JAVA0115 Incorrect javadoc: no @throws or @exception tag for 'exception' | |
| JAVA0116 | 0.00 | JAVA0116 Missing javadoc: field 'field' | |
| JAVA0117 | 1.00 | JAVA0117 Missing javadoc: method 'method' | |
| JAVA0118 | 0.00 | JAVA0118 Missing javadoc: type 'type' | |
| JAVA0119 | 1.00 | JAVA0119 Control variable changed within body of for loop | |
| JAVA0123 | 3.00 | 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 | 0.00 | JAVA0128 Public constructor in non-public class | |
| JAVA0130 | 0.00 | 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 | 0.00 | JAVA0143 Synchronized method | |
| JAVA0144 | 0.00 | 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 | 1.00 | 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 | 0.00 | 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 | 0.00 | JAVA0171 Unused local variable | |
| JAVA0173 | 0.00 | JAVA0173 Unused method parameter | |
| JAVA0174 | 1.00 | JAVA0174 Assigned local variable never used | |
| JAVA0175 | 0.00 | JAVA0175 Successive assignment to variable | |
| JAVA0176 | 2.00 | JAVA0176 Local variable name does not have required form | |
| JAVA0177 | 6.00 | 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 | 0.00 | 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 | 0.00 | 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 | 2.00 | 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 | 0.00 | JAVA0287 Unnecessary null check | |
| JAVA0288 | 0.00 | JAVA0288 Inconsistent null check | |
| LINES | 996.00 | Number of lines in the source file | |
| LINE_COMMENT | 7.00 | Number of line comments | |
| LOC | 532.00 | Lines of code | |
| LOGICAL_LINES | 264.00 | Number of statements | |
| LOOPS | 23.00 | Number of loops | |
| NEST_DEPTH | 4.00 | Maximum nesting depth | |
| OPERANDS | 1161.00 | Number of operands | |
| OPERATORS | 2282.00 | Number of operators | |
| PARAMS | 56.00 | Number of formal parameter declarations | |
| PROGRAM_LENGTH | 3443.00 | Halstead program length | |
| PROGRAM_VOCAB | 347.00 | Halstead program vocabulary | |
| PROGRAM_VOLUME | 0.00 | Halstead program volume | |
| RETURNS | 57.00 | Number of return points from functions | |
| SIZE | 27351.00 | Size of the file in bytes | |
| UNIQUE_OPERANDS | 292.00 | Number of unique operands | |
| UNIQUE_OPERATORS | 55.00 | Number of unique operators | |
| WHITESPACE | 121.00 | Number of whitespace lines | |