HistoryViewer.java
| Index Score | ||
|---|---|---|
 |
 |
de.hunsicker.jalopy.swing |
 |
 |
Jalopy |
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 | |
|---|---|---|
| EXITS | Procedure exits |  |
| JAVA0128 | JAVA0128 Public constructor in non-public class | |
| JAVA0020 | JAVA0020 Field name does not have required form | |
| JAVA0034 | JAVA0034 Missing braces in if statement | |
| JAVA0123 | JAVA0123 Use all three components of for loop | |
| LOC | Lines of code | |
| UNIQUE_OPERANDS | Number of unique operands | |
| PROGRAM_VOCAB | Halstead program vocabulary | |
| LINES | Number of lines in the source file | |
| JAVA0163 | JAVA0163 Empty statement | |
| JAVA0130 | JAVA0130 Non-static method does not use instance fields | |
| BLOCKS | Number of blocks | |
| LOGICAL_LINES | Number of statements | |
| ELOC | Effective lines of code | |
| SIZE | Size of the file in bytes | |
| JAVA0166 | JAVA0166 Generic exception caught | |
| OPERANDS | Number of operands | |
| PROGRAM_LENGTH | Halstead program length | |
| OPERATORS | Number of operators | |
| PROGRAM_VOLUME | Halstead program volume | |
| DECL_COMMENTS | Comments in declarations | |
| JAVA0126 | JAVA0126 Method declares unchecked exception in throws | |
| JAVA0110 | JAVA0110 Incorrect javadoc: no @return tag | |
| JAVA0117 | JAVA0117 Missing javadoc: method 'method' | |
| EXEC_COMMENTS | Comments in executable code | |
| UNIQUE_OPERATORS | Number of unique operators | |
| LINE_COMMENT | Number of line comments | |
| JAVA0265 | JAVA0265 Use of Throwable.printStackTrace() | |
| LOOPS | Number of loops | |
| JAVA0108 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| JAVA0254 | JAVA0254 Use enhanced for loop construct instead of Iterator | |
| INTERFACE_COMPLEXITY | Interface complexity | |
| PARAMS | Number of formal parameter declarations | |
| JAVA0270 | JAVA0270 Use Java 5.0 enhanced for loop construct to iterate over all elements in an array | |
| JAVA0145 | JAVA0145 Tab character used in source file | |
/*
* Copyright (c) 2001-2002, Marco Hunsicker. All rights reserved.
*
* This software is distributable under the BSD license. See the terms of the
* BSD license in the documentation provided with this software.
*/
package de.hunsicker.jalopy.swing;
import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.event.ActionEvent;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.io.File;
import java.io.IOException;
import java.text.DateFormat;
import java.util.Date;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Locale;
import java.util.Map;
import java.util.ResourceBundle;
import javax.swing.AbstractAction;
import javax.swing.Action;
import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JPanel;
import javax.swing.JPopupMenu;
import javax.swing.JScrollPane;
import javax.swing.JTree;
import javax.swing.SwingUtilities;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.DefaultTreeCellRenderer;
import javax.swing.tree.DefaultTreeModel;
import javax.swing.tree.TreePath;
import de.hunsicker.io.IoHelper;
import de.hunsicker.jalopy.storage.Convention;
import de.hunsicker.jalopy.storage.History;
import de.hunsicker.util.ResourceBundleFactory;
/**
* A simple, tree-like history viewer component.
*
* @author <a href="http://jalopy.sf.net/contact.html">Marco Hunsicker</a>
* @version $Revision: 1.4 $
*/
class HistoryViewer
extends JPanel
{
DateFormat _dateFormatter =
DateFormat.getDateTimeInstance(
DateFormat.SHORT, DateFormat.SHORT, Locale.getDefault());
private DefaultTreeModel _treeModel;
HistoryTreeNode _rootNode;
JTree _tree;
boolean _caseSensitive;
//~ Constructors ---------------------------------------------------------------------
/**
* Creates a new HistoryViewer object.
*/
public HistoryViewer()
{
initialize();
}
//~ Methods --------------------------------------------------------------------------
/**
* Notifies this component that it no longer has a parent component. When this method
* is invoked, the history will be flushed.
*
* @see History#flush
*/
public void removeNotify()
{
super.removeNotify();
try
{
History.getInstance().flush();
}
catch (IOException ignored)
{
;
}
}
private int getIndex(
HistoryTreeNode node,
HistoryTreeNode parent)
{
int result = 0;
for (Enumeration childs = parent.children(); childs.hasMoreElements();)
{
HistoryTreeNode child = (HistoryTreeNode) childs.nextElement();
int compare = node.compareTo(child);
if (compare < 0)
{
break;
}
result++;
}
return result;
}
/**
* Adds the given path to the given parent, if not already contained.
*
* @param parent parent to add the path to.
* @param path the path to add.
* @param entry history entry.
*/
private void addAsChild(
HistoryTreeNode parent,
String path,
History.Entry entry)
{
int offset = path.indexOf(File.separatorChar);
if (offset > -1)
{
String ident = path.substring(0, offset);
int index = contains(parent, ident);
if (index > -1)
{
addAsChild(
(HistoryTreeNode) parent.getChildAt(index), path.substring(
offset + 1), entry);
}
else
{
HistoryTreeNode node = new HistoryTreeNode(ident);
_treeModel.insertNodeInto(node, parent, getIndex(node, parent));
addAsChild(node, path.substring(offset + 1), entry);
}
}
else
{
HistoryTreeNode node = new HistoryTreeNode(path, entry.getModification());
if (contains(parent, node) == -1)
{
_treeModel.insertNodeInto(node, parent, getIndex(node, parent));
}
}
}
/**
* Indicates whether the given parent contains the given child.
*
* @param parent parent to check for child.
* @param child a node.
*
* @return the index of child within parent or <code>-1</code> if child is no child
* of parent.
*/
private int contains(
HistoryTreeNode parent,
HistoryTreeNode child)
{
return contains(parent, child.name);
}
/**
* Indicates whether the given parent contains the given child.
*
* @param parent parent to check for child.
* @param name the name of a node.
*
* @return the index of child within parent or <code>-1</code> if child is no child
* of parent.
*/
private int contains(
HistoryTreeNode parent,
String name)
{
for (Enumeration i = parent.children(); i.hasMoreElements();)
{
HistoryTreeNode c = (HistoryTreeNode) i.nextElement();
if (_caseSensitive)
{
if (c.name.equals(name))
{
return parent.getIndex(c);
}
}
else
{
if (c.name.equalsIgnoreCase(name))
{
return parent.getIndex(c);
}
}
}
return -1;
}
/**
* Initialization.
*/
private void initialize()
{
ResourceBundle bundle =
ResourceBundleFactory.getBundle(
"de.hunsicker.jalopy.swing.Bundle" /* NOI18N */);
setPreferredSize(new Dimension(350, 400));
/**
* @todo what OSes are actually case-aware?
*/
_caseSensitive = File.separatorChar == '/';
_rootNode = new HistoryTreeNode(bundle.getString("TLE_HISTORY" /* NOI18N */));
_tree = new JTree(_rootNode);
_tree.putClientProperty("JTree.lineStyle" /* NOI18N */, "Angled" /* NOI18N */);
_tree.setScrollsOnExpand(true);
_tree.setLargeModel(true);
DefaultTreeCellRenderer r = new HistoryTreeCellRenderer();
_tree.setCellRenderer(r);
_treeModel = (DefaultTreeModel) _tree.getModel();
JScrollPane scrollPane = new JScrollPane(_tree);
setLayout(new BorderLayout());
add(scrollPane, BorderLayout.CENTER);
final JPopupMenu popupMenu = new JPopupMenu();
JPopupMenu.setDefaultLightWeightPopupEnabled(true);
popupMenu.setLightWeightPopupEnabled(true);
final Action removeAction = new RemoveItemAction();
removeAction.setEnabled(false);
popupMenu.add(removeAction);
_tree.addMouseListener(
new MouseAdapter()
{
public void mouseReleased(MouseEvent ev)
{
if (ev.isPopupTrigger())
{
Object selection = _tree.getLastSelectedPathComponent();
if ((selection != null) && (selection != _rootNode))
{
removeAction.setEnabled(true);
}
else
{
removeAction.setEnabled(false);
}
java.awt.Point point = new java.awt.Point(ev.getX(), ev.getY());
SwingUtilities.convertPointToScreen(point, _tree);
popupMenu.setInvoker(_tree);
popupMenu.setLocation(point.x, point.y);
popupMenu.setVisible(true);
}
}
});
/*try
{
// flush the history to reflect the latest changes
History.getInstance().flush();
}
catch (IOException ignored)
{
;
}*/
Map history = loadHistory();
populateTree(history);
_tree.expandRow(0);
}
/**
* Loads the history from persistent storage.
*
* @return the history.
*/
private Map loadHistory()
{
Map history = null;
try
{
File file = Convention.getHistoryFile();
if (file.exists())
{
history = new HashMap((Map) IoHelper.deserialize(file));
}
else
{
history = new HashMap();
}
}
catch (Throwable ex)
{
history = new HashMap();
}
return history;
}
/**
* Builds the history tree from the given map.
*
* @param history map with the history data.
*/
private void populateTree(Map history)
{
for (Iterator i = history.entrySet().iterator(); i.hasNext();)
{
Map.Entry entry = (Map.Entry) i.next();
addAsChild(
_rootNode, (String) entry.getKey(), (History.Entry) entry.getValue());
}
}
/**
* Removes the given tree path.
*
* @param path path to remove.
*/
private void removeChildren(TreePath path)
{
HistoryTreeNode node = (HistoryTreeNode) path.getLastPathComponent();
removeChildren(node);
}
/**
* Removes the given node and all child nodes.
*
* @param node node to remove from the tree.
*/
private void removeChildren(HistoryTreeNode node)
{
if (node.isLeaf())
{
try
{
History.getInstance().remove(node.toFile());
}
catch (Exception ex)
{
ex.printStackTrace();
}
}
else
{
for (Enumeration i = node.children(); i.hasMoreElements();)
{
removeChildren((HistoryTreeNode) i.nextElement());
}
}
}
/**
* Removes the given path from the tree.
*
* @param path path to remove.
*/
void removePath(TreePath path)
{
TreePath parent = path.getParentPath();
if (parent != null)
{
removeChildren(path);
_treeModel.removeNodeFromParent(
(HistoryTreeNode) path.getLastPathComponent());
}
}
//~ Inner Classes --------------------------------------------------------------------
private static class HistoryTreeCellRenderer
extends DefaultTreeCellRenderer
{
Icon rootIcon;
public HistoryTreeCellRenderer()
{
this.rootIcon =
new ImageIcon(
getClass().getResource("resources/History16.gif" /* NOI18N */));
}
public Component getTreeCellRendererComponent(
JTree tree,
Object value,
boolean sel,
boolean expanded,
boolean leaf,
int row,
boolean newHasFocus)
{
if (row == 0)
{
super.getTreeCellRendererComponent(
tree, value, sel, expanded, leaf, row, newHasFocus);
setIcon(this.rootIcon);
return this;
}
return super.getTreeCellRendererComponent(
tree, value, sel, expanded, leaf, row, newHasFocus);
}
}
/**
* Represents a history entry. Either a path part (just the name) or the file name
* (name + timestamp).
*/
private class HistoryTreeNode
extends DefaultMutableTreeNode
implements Comparable
{
String name;
long lastmod = -1;
public HistoryTreeNode(String name)
{
this.name = name;
}
public HistoryTreeNode(
String name,
long lastmod)
{
this.lastmod = lastmod;
this.name = name;
}
public int compareTo(Object o)
{
if (o instanceof String)
{
return this.name.compareTo((String) o);
}
else if (o instanceof HistoryTreeNode)
{
return this.name.compareTo(((HistoryTreeNode) o).name);
}
else
{
throw new ClassCastException();
}
}
public boolean equals(Object o)
{
if (o instanceof String)
{
if (_caseSensitive)
{
return this.name.equals(o);
}
return this.name.equalsIgnoreCase((String) o);
}
if (_caseSensitive)
{
return this.name.equals(((HistoryTreeNode) o).name);
}
return this.name.equalsIgnoreCase(((HistoryTreeNode) o).name);
}
public int hashCode()
{
if (_caseSensitive)
{
return this.name.hashCode();
}
return this.name.toLowerCase().hashCode();
}
public File toFile()
{
StringBuffer buf = new StringBuffer(50);
Object[] p = getPath();
// skip the first component: the root node of the tree
for (int i = 1; i < p.length; i++)
{
buf.append(p[i]);
buf.append(File.separatorChar);
}
buf.deleteCharAt(buf.length() - 1);
String filename = buf.toString();
if (filename.endsWith("]" /* NOI18N */))
{
filename = filename.substring(0, filename.lastIndexOf('['));
}
return new File(filename);
}
public String toString()
{
if (this.lastmod > -1)
{
StringBuffer buf = new StringBuffer(20);
buf.append(this.name);
buf.append(' ');
buf.append('[');
buf.append(_dateFormatter.format(new Date(this.lastmod)));
buf.append(']');
return buf.toString();
}
return this.name;
}
}
/**
* Action which removes selected tree items.
*/
private class RemoveItemAction
extends AbstractAction
{
public RemoveItemAction()
{
super.putValue(
Action.NAME,
ResourceBundleFactory.getBundle(
"de.hunsicker.jalopy.swing.Bundle" /* NOI18N */).getString(
"MNE_REMOVE" /* NOI18N */));
}
public void actionPerformed(ActionEvent ev)
{
TreePath[] selections = _tree.getSelectionPaths();
if (selections != null)
{
for (int i = 0; i < selections.length; i++)
{
TreePath selection = selections[i];
removePath(selection);
}
}
}
}
}
The table below shows all metrics for HistoryViewer.java.
| Metric | Value | Description | |
|---|---|---|---|
| BLOCKS | 65.00 | Number of blocks | |
| BLOCK_COMMENT | 15.00 | Number of block comment lines | |
| COMMENTS | 97.00 | Comment lines | |
| COMMENT_DENSITY | 0.37 | Comment density | |
| COMPARISONS | 24.00 | Number of comparison operators | |
| CYCLOMATIC | 56.00 | Cyclomatic complexity | |
| DECL_COMMENTS | 18.00 | Comments in declarations | |
| DOC_COMMENT | 78.00 | Number of javadoc comment lines | |
| ELOC | 261.00 | Effective lines of code | |
| EXEC_COMMENTS | 3.00 | Comments in executable code | |
| EXITS | 84.00 | Procedure exits | |
| FUNCTIONS | 24.00 | Number of function declarations | |
| HALSTEAD_DIFFICULTY | 63.47 | Halstead difficulty | |
| HALSTEAD_EFFORT | 0.00 | Halstead effort | |
| INTERFACE_COMPLEXITY | 61.00 | 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 | 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 | 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 | 5.00 | 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 | 0.00 | JAVA0034 Missing braces in if statement | |
| JAVA0035 | 0.00 | JAVA0035 Missing braces in for statement | |
| JAVA0036 | 0.00 | 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 | 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 | 0.00 | 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 | 0.00 | 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 | 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 | 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 | 0.00 | JAVA0116 Missing javadoc: field 'field' | |
| JAVA0117 | 5.00 | JAVA0117 Missing javadoc: method 'method' | |
| JAVA0118 | 0.00 | JAVA0118 Missing javadoc: type 'type' | |
| JAVA0119 | 0.00 | 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 | 5.00 | 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 | 0.00 | JAVA0136 N methods defined in class (maximum: M) | |
| JAVA0137 | 0.00 | JAVA0137 Non-abstract class missing constructor | |
| JAVA0138 | 1.00 | 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 | 0.00 | JAVA0160 Method does not throw specified exception | |
| JAVA0161 | 0.00 | JAVA0161 Conditional wait() not in loop | |
| JAVA0163 | 1.00 | JAVA0163 Empty statement | |
| JAVA0165 | 0.00 | JAVA0165 Conflicting return statement in finally block | |
| JAVA0166 | 2.00 | JAVA0166 Generic exception caught | |
| JAVA0167 | 0.00 | JAVA0167 ThreadDeath not rethrown | |
| JAVA0169 | 0.00 | JAVA0169 Unnecessary catch block: exception 'exception' | |
| JAVA0170 | 1.00 | JAVA0170 Caught exception not derived from java.lang.Exception | |
| JAVA0171 | 0.00 | JAVA0171 Unused local variable | |
| JAVA0173 | 0.00 | JAVA0173 Unused method parameter | |
| JAVA0174 | 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 | 0.00 | 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 | 4.00 | 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 | 1.00 | 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 | 1.00 | 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 | 1.00 | 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 | 1.00 | 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 | 0.00 | JAVA0287 Unnecessary null check | |
| JAVA0288 | 0.00 | JAVA0288 Inconsistent null check | |
| LINES | 578.00 | Number of lines in the source file | |
| LINE_COMMENT | 4.00 | Number of line comments | |
| LOC | 400.00 | Lines of code | |
| LOGICAL_LINES | 163.00 | Number of statements | |
| LOOPS | 6.00 | Number of loops | |
| NEST_DEPTH | 4.00 | Maximum nesting depth | |
| OPERANDS | 712.00 | Number of operands | |
| OPERATORS | 1316.00 | Number of operators | |
| PARAMS | 27.00 | Number of formal parameter declarations | |
| PROGRAM_LENGTH | 2028.00 | Halstead program length | |
| PROGRAM_VOCAB | 304.00 | Halstead program vocabulary | |
| PROGRAM_VOLUME | 0.00 | Halstead program volume | |
| RETURNS | 34.00 | Number of return points from functions | |
| SIZE | 15345.00 | Size of the file in bytes | |
| UNIQUE_OPERANDS | 258.00 | Number of unique operands | |
| UNIQUE_OPERATORS | 46.00 | Number of unique operators | |
| WHITESPACE | 81.00 | Number of whitespace lines | |