JXTree.java
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org.jdesktop.swingx |
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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 | |
|---|---|---|
| DECL_COMMENTS | Comments in declarations |  |
| DOC_COMMENT | Number of javadoc comment lines | |
| COMMENTS | Comment lines | |
| FUNCTIONS | Number of function declarations | |
| SIZE | Size of the file in bytes | |
| RETURNS | Number of return points from functions | |
| CYCLOMATIC | Cyclomatic complexity | |
| INTERFACE_COMPLEXITY | Interface complexity | |
| JAVA0075 | JAVA0075 Method parameter hides field | |
| JAVA0085 | JAVA0085 Use of sun.* class | |
| EXITS | Procedure exits | |
| LINES | Number of lines in the source file | |
| BLOCKS | Number of blocks | |
| JAVA0034 | JAVA0034 Missing braces in if statement | |
| PARAMS | Number of formal parameter declarations | |
| PROGRAM_VOCAB | Halstead program vocabulary | |
| UNIQUE_OPERANDS | Number of unique operands | |
| LOC | Lines of code | |
| ELOC | Effective lines of code | |
| OPERATORS | Number of operators | |
| EXEC_COMMENTS | Comments in executable code | |
| JAVA0049 | JAVA0049 Nested block at depth N (maximum: M) | |
| JAVA0068 | JAVA0068 Modifiers not declared in recommended order | |
| LOGICAL_LINES | Number of statements | |
| UNIQUE_OPERATORS | Number of unique operators | |
| PROGRAM_LENGTH | Halstead program length | |
| JAVA0128 | JAVA0128 Public constructor in non-public class | |
| NEST_DEPTH | Maximum nesting depth | |
| COMPARISONS | Number of comparison operators | |
| PROGRAM_VOLUME | Halstead program volume | |
| JAVA0136 | JAVA0136 N methods defined in class (maximum: M) | |
| JAVA0126 | JAVA0126 Method declares unchecked exception in throws | |
| LINE_COMMENT | Number of line comments | |
| JAVA0108 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| JAVA0080 | JAVA0080 Import declaration not used | |
| OPERANDS | Number of operands | |
| JAVA0110 | JAVA0110 Incorrect javadoc: no @return tag | |
| JAVA0145 | JAVA0145 Tab character used in source file | |
/*
* Id: JXTree.java,v 1.39 2007/10/22 13:49:21 kschaefe Exp
*
* Copyright 2004 Sun Microsystems, Inc., 4150 Network Circle,
* Santa Clara, California 95054, U.S.A. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
package org.jdesktop.swingx;
import java.applet.Applet;
import java.awt.Component;
import java.awt.KeyboardFocusManager;
import java.awt.Window;
import java.awt.event.ActionEvent;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.lang.reflect.Method;
import java.util.Hashtable;
import java.util.Vector;
import java.util.logging.Logger;
import javax.swing.ActionMap;
import javax.swing.CellEditor;
import javax.swing.Icon;
import javax.swing.JPopupMenu;
import javax.swing.JTree;
import javax.swing.SwingUtilities;
import javax.swing.event.CellEditorListener;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import javax.swing.event.TreeModelEvent;
import javax.swing.event.TreeModelListener;
import javax.swing.plaf.basic.BasicTreeUI;
import javax.swing.tree.DefaultTreeCellRenderer;
import javax.swing.tree.TreeCellRenderer;
import javax.swing.tree.TreeModel;
import javax.swing.tree.TreeNode;
import javax.swing.tree.TreePath;
import org.jdesktop.swingx.decorator.ComponentAdapter;
import sun.swing.UIAction;
/**
* JXTree.
*
* PENDING: support filtering/sorting.
*
* @author Ramesh Gupta
* @author Jeanette Winzenburg
*/
public class JXTree extends JTree {
private static final Logger LOG = Logger.getLogger(JXTree.class.getName());
private Method conversionMethod = null;
private final static Class[] methodSignature = new Class[] {Object.class};
private final static Object[] methodArgs = new Object[] {null};
private static final int[] EMPTY_INT_ARRAY = new int[0];
private static final TreePath[] EMPTY_TREEPATH_ARRAY = new TreePath[0];
private boolean overwriteIcons;
// hacks around core focus issues around editing.
/**
* The propertyChangeListener responsible for terminating
* edits if focus lost.
*/
private CellEditorRemover editorRemover;
/**
* The CellEditorListener responsible to force the
* focus back to the tree after terminating edits.
*/
private CellEditorListener editorListener;
/**
* Constructs a <code>JXTree</code> with a sample model. The default model
* used by this tree defines a leaf node as any node without children.
*/
public JXTree() {
init();
}
/**
* Constructs a <code>JXTree</code> with each element of the specified array
* as the child of a new root node which is not displayed. By default, this
* tree defines a leaf node as any node without children.
*
* This version of the constructor simply invokes the super class version
* with the same arguments.
*
* @param value an array of objects that are children of the root.
*/
public JXTree(Object[] value) {
super(value);
init();
}
/**
* Constructs a <code>JXTree</code> with each element of the specified
* Vector as the child of a new root node which is not displayed.
* By default, this tree defines a leaf node as any node without children.
*
* This version of the constructor simply invokes the super class version
* with the same arguments.
*
* @param value an Vector of objects that are children of the root.
*/
public JXTree(Vector value) {
super(value);
init();
}
/**
* Constructs a <code>JXTree</code> created from a Hashtable which does not
* display with root. Each value-half of the key/value pairs in the HashTable
* becomes a child of the new root node. By default, the tree defines a leaf
* node as any node without children.
*
* This version of the constructor simply invokes the super class version
* with the same arguments.
*
* @param value a Hashtable containing objects that are children of the root.
*/
public JXTree(Hashtable value) {
super(value);
init();
}
/**
* Constructs a <code>JXTree</code> with the specified TreeNode as its root,
* which displays the root node. By default, the tree defines a leaf node as
* any node without children.
*
* This version of the constructor simply invokes the super class version
* with the same arguments.
*
* @param root root node of this tree
*/
public JXTree(TreeNode root) {
super(root, false);
init();
}
/**
* Constructs a <code>JXTree</code> with the specified TreeNode as its root,
* which displays the root node and which decides whether a node is a leaf
* node in the specified manner.
*
* This version of the constructor simply invokes the super class version
* with the same arguments.
*
* @param root root node of this tree
* @param asksAllowsChildren if true, only nodes that do not allow children
* are leaf nodes; otherwise, any node without children is a leaf node;
* @see javax.swing.tree.DefaultTreeModel#asksAllowsChildren
*/
public JXTree(TreeNode root, boolean asksAllowsChildren) {
super(root, asksAllowsChildren);
init();
}
/**
* Constructs an instance of <code>JXTree</code> which displays the root
* node -- the tree is created using the specified data model.
*
* This version of the constructor simply invokes the super class version
* with the same arguments.
*
* @param newModel
* the <code>TreeModel</code> to use as the data model
*/
public JXTree(TreeModel newModel) {
super(newModel);
init();
}
@Override
public void setModel(TreeModel newModel) {
// To support delegation of convertValueToText() to the model...
// JW: method needs to be set before calling super
// otherwise there are size caching problems
conversionMethod = getValueConversionMethod(newModel);
super.setModel(newModel);
}
/**
* Tries to find and return a method for Object --> to String conversion on the
* model by reflection. Looks for a signature:
*
* <pre> <code>
* String convertValueToText(Object);
* </code> </pre>
*
*
*
* PENDING JW: check - does this work with restricted permissions?
* JW: widened access for testing - do test!
*
* @param model the model to detect the method
* @return the <code> Method </code> or null if the model has no method with
* the expected signature
*/
protected Method getValueConversionMethod(TreeModel model) {
try {
return model == null ? null : model.getClass().getMethod(
"convertValueToText", methodSignature);
} catch (NoSuchMethodException ex) {
LOG.finer("ex " + ex);
LOG.finer("no conversionMethod in " + model.getClass());
}
return null;
}
@Override
public String convertValueToText(Object value, boolean selected,
boolean expanded, boolean leaf, int row, boolean hasFocus) {
// Delegate to model, if possible. Otherwise fall back to superclass...
if (value != null) {
if (conversionMethod == null) {
return value.toString();
} else {
try {
methodArgs[0] = value;
return (String) conversionMethod.invoke(getModel(),
methodArgs);
} catch (Exception ex) {
LOG.finer("ex " + ex);
LOG.finer("can't invoke " + conversionMethod);
}
}
}
return "";
}
private void init() {
// To support delegation of convertValueToText() to the model...
// JW: need to set again (is done in setModel, but at call
// in super constructor the field is not yet valid)
conversionMethod = getValueConversionMethod(getModel());
// Register the actions that this class can handle.
ActionMap map = getActionMap();
map.put("expand-all", new Actions("expand-all"));
map.put("collapse-all", new Actions("collapse-all"));
}
/**
* Listens to the model and updates the {@code expandedState} accordingly
* when nodes are removed, or changed.
* <p>
* This class will expand an invisible root when a child has been added to
* it.
*
* @author Karl George Schaefer
*/
protected class XTreeModelHandler extends TreeModelHandler {
/**
* {@inheritDoc}
*/
@Override
public void treeNodesInserted(TreeModelEvent e) {
TreePath path = e.getTreePath();
//fixes SwingX bug #612
if (path.getParentPath() == null && !isRootVisible() && isCollapsed(path)) {
//should this be wrapped in SwingUtilities.invokeLater?
expandPath(path);
}
super.treeNodesInserted(e);
}
}
/**
* {@inheritDoc}
*/
@Override
protected TreeModelListener createTreeModelListener() {
return new XTreeModelHandler();
}
/**
* A small class which dispatches actions.
* TODO: Is there a way that we can make this static?
*/
private class Actions extends UIAction {
Actions(String name) {
super(name);
}
public void actionPerformed(ActionEvent evt) {
if ("expand-all".equals(getName())) {
expandAll();
}
else if ("collapse-all".equals(getName())) {
collapseAll();
}
}
}
/**
* Collapses all nodes in the tree table.
*/
public void collapseAll() {
for (int i = getRowCount() - 1; i >= 0 ; i--) {
collapseRow(i);
}
}
/**
* Expands all nodes in the tree table.
*/
public void expandAll() {
if (getRowCount() == 0) {
expandRoot();
}
for (int i = 0; i < getRowCount(); i++) {
expandRow(i);
}
}
/**
* Expands the root path, assuming the current TreeModel has been set.
*/
private void expandRoot() {
TreeModel model = getModel();
if(model != null && model.getRoot() != null) {
expandPath(new TreePath(model.getRoot()));
}
}
/**
* overridden to always return a not-null array
* (following SwingX convention).
*/
@Override
public int[] getSelectionRows() {
int[] rows = super.getSelectionRows();
return rows != null ? rows : EMPTY_INT_ARRAY;
}
/**
* overridden to always return a not-null array
* (following SwingX convention).
*/
@Override
public TreePath[] getSelectionPaths() {
// TODO Auto-generated method stub
TreePath[] paths = super.getSelectionPaths();
return paths != null ? paths : EMPTY_TREEPATH_ARRAY;
}
/**
* sets the icon for the handle of an expanded node.
*
* Note: this will only succeed if the current ui delegate is
* a BasicTreeUI otherwise it will do nothing.
*
* @param expanded
*/
public void setExpandedIcon(Icon expanded) {
if (getUI() instanceof BasicTreeUI) {
((BasicTreeUI) getUI()).setExpandedIcon(expanded);
}
}
/**
* sets the icon for the handel of a collapsed node.
*
* Note: this will only succeed if the current ui delegate is
* a BasicTreeUI otherwise it will do nothing.
*
* @param collapsed
*/
public void setCollapsedIcon(Icon collapsed) {
if (getUI() instanceof BasicTreeUI) {
((BasicTreeUI) getUI()).setCollapsedIcon(collapsed);
}
}
/**
* Property to control whether per-tree icons should be
* copied to the renderer on setCellRenderer.
*
* the default is false for backward compatibility.
*
* PENDING: should update the current renderer's icons when
* setting to true?
*
* @param overwrite
*/
public void setOverwriteRendererIcons(boolean overwrite) {
if (overwriteIcons == overwrite) return;
boolean old = overwriteIcons;
this.overwriteIcons = overwrite;
firePropertyChange("overwriteRendererIcons", old, overwrite);
}
public boolean isOverwriteRendererIcons() {
return overwriteIcons;
}
//----------------------- edit
/**
* {@inheritDoc} <p>
* Overridden to fix focus issues with editors.
* This method installs and updates the internal CellEditorRemover which
* to terminates ongoing edits if appropriate. Additionally, it
* registers a CellEditorListener with the cell editor to grab the
* focus back to tree, if appropriate.
*
* @see #updateEditorRemover()
*/
@Override
public void startEditingAtPath(TreePath path) {
super.startEditingAtPath(path);
if (isEditing()) {
updateEditorListener();
updateEditorRemover();
}
}
/**
* Hack to grab focus after editing.
*/
private void updateEditorListener() {
if (editorListener == null) {
editorListener = new CellEditorListener() {
public void editingCanceled(ChangeEvent e) {
terminated(e);
}
/**
* @param e
*/
private void terminated(ChangeEvent e) {
analyseFocus();
((CellEditor) e.getSource()).removeCellEditorListener(editorListener);
}
public void editingStopped(ChangeEvent e) {
terminated(e);
}
};
}
getCellEditor().addCellEditorListener(editorListener);
}
/**
* This is called from cell editor listener if edit terminated.
* Trying to analyse if we should grab the focus back to the
* tree after. Brittle ... we assume we are the first to
* get the event, so we can analyse the hierarchy before the
* editing component is removed.
*/
protected void analyseFocus() {
final boolean isFocusOwnerInTheTable = isFocusOwnerDescending();
if (isFocusOwnerInTheTable) {
requestFocusInWindow();
}
}
/**
* Returns a boolean to indicate if the current focus owner
* is descending from this table.
* Returns false if not editing, otherwise walks the focusOwner
* hierarchy, taking popups into account. <p>
*
* PENDING: copied from JXTable ... should be somewhere in a utility
* class?
*
* @return a boolean to indicate if the current focus
* owner is contained.
*/
private boolean isFocusOwnerDescending() {
if (!isEditing()) return false;
Component focusOwner =
KeyboardFocusManager.getCurrentKeyboardFocusManager().getFocusOwner();
// PENDING JW: special casing to not fall through ... really wanted?
if (focusOwner == null) return false;
if (isDescending(focusOwner)) return true;
// same with permanent focus owner
Component permanent =
KeyboardFocusManager.getCurrentKeyboardFocusManager().getPermanentFocusOwner();
return isDescending(permanent);
}
/**
* PENDING: copied from JXTable ... should be somewhere in a utility
* class?
*
* @param focusOwner
* @return
*/
private boolean isDescending(Component focusOwner) {
while (focusOwner != null) {
if (focusOwner instanceof JPopupMenu) {
focusOwner = ((JPopupMenu) focusOwner).getInvoker();
if (focusOwner == null) {
return false;
}
}
if (focusOwner == this) {
return true;
}
focusOwner = focusOwner.getParent();
}
return false;
}
/**
* Overridden to release the CellEditorRemover, if any.
*/
@Override
public void removeNotify() {
if (editorRemover != null) {
editorRemover.release();
editorRemover = null;
}
super.removeNotify();
}
/**
* Lazily creates and updates the internal CellEditorRemover.
*
*
*/
private void updateEditorRemover() {
if (editorRemover == null) {
editorRemover = new CellEditorRemover();
}
editorRemover.updateKeyboardFocusManager();
}
/** This class tracks changes in the keyboard focus state. It is used
* when the JXTree is editing to determine when to terminate the edit.
* If focus switches to a component outside of the JXTree, but in the
* same window, this will terminate editing. The exact terminate
* behaviour is controlled by the invokeStopEditing property.
*
* @see javax.swing.JTree#setInvokesStopCellEditing(boolean)
*
*/
public class CellEditorRemover implements PropertyChangeListener {
/** the focusManager this is listening to. */
KeyboardFocusManager focusManager;
public CellEditorRemover() {
updateKeyboardFocusManager();
}
/**
* Updates itself to listen to the current KeyboardFocusManager.
*
*/
public void updateKeyboardFocusManager() {
KeyboardFocusManager current = KeyboardFocusManager.getCurrentKeyboardFocusManager();
setKeyboardFocusManager(current);
}
/**
* stops listening.
*
*/
public void release() {
setKeyboardFocusManager(null);
}
/**
* Sets the focusManager this is listening to.
* Unregisters/registers itself from/to the old/new manager,
* respectively.
*
* @param current the KeyboardFocusManager to listen too.
*/
private void setKeyboardFocusManager(KeyboardFocusManager current) {
if (focusManager == current)
return;
KeyboardFocusManager old = focusManager;
if (old != null) {
old.removePropertyChangeListener("permanentFocusOwner", this);
}
focusManager = current;
if (focusManager != null) {
focusManager.addPropertyChangeListener("permanentFocusOwner",
this);
}
}
public void propertyChange(PropertyChangeEvent ev) {
if (!isEditing()) {
return;
}
Component c = focusManager.getPermanentFocusOwner();
JXTree tree = JXTree.this;
while (c != null) {
if (c instanceof JPopupMenu) {
c = ((JPopupMenu) c).getInvoker();
} else {
if (c == tree) {
// focus remains inside the table
return;
} else if ((c instanceof Window) ||
(c instanceof Applet && c.getParent() == null)) {
if (c == SwingUtilities.getRoot(tree)) {
if (tree.getInvokesStopCellEditing()) {
tree.stopEditing();
}
if (tree.isEditing()) {
tree.cancelEditing();
}
}
break;
}
c = c.getParent();
}
}
}
}
/**
* @return the unconfigured ComponentAdapter.
*/
protected ComponentAdapter getComponentAdapter() {
if (dataAdapter == null) {
dataAdapter = new TreeAdapter(this);
}
return dataAdapter;
}
/**
* Convenience to access a configured ComponentAdapter.
* Note: the column index of the configured adapter is always 0.
*
* @param index the row index in view coordinates, must be valid.
* @return the configured ComponentAdapter.
*/
protected ComponentAdapter getComponentAdapter(int index) {
ComponentAdapter adapter = getComponentAdapter();
adapter.column = 0;
adapter.row = index;
return adapter;
}
protected ComponentAdapter dataAdapter;
protected static class TreeAdapter extends ComponentAdapter {
private final JXTree tree;
/**
* Constructs a <code>TableCellRenderContext</code> for the specified
* target component.
*
* @param component the target component
*/
public TreeAdapter(JXTree component) {
super(component);
tree = component;
}
public JXTree getTree() {
return tree;
}
public boolean hasFocus() {
return tree.isFocusOwner() && (tree.getLeadSelectionRow() == row);
}
public Object getValueAt(int row, int column) {
TreePath path = tree.getPathForRow(row);
return path.getLastPathComponent();
}
public Object getFilteredValueAt(int row, int column) {
/** TODO: Implement filtering */
return getValueAt(row, column);
}
/**
* {@inheritDoc}
*/
@Override
public boolean isEditable() {
//this is not as robust as JXTable; should it be? -- kgs
return tree.isPathEditable(tree.getPathForRow(row));
}
public boolean isSelected() {
return tree.isRowSelected(row);
}
@Override
public boolean isExpanded() {
return tree.isExpanded(row);
}
@Override
public int getDepth() {
return tree.getPathForRow(row).getPathCount() - 1;
}
@Override
public boolean isLeaf() {
return tree.getModel().isLeaf(getValue());
}
public boolean isCellEditable(int row, int column) {
return false; /** TODO: */
}
public void setValueAt(Object aValue, int row, int column) {
/** TODO: */
}
public String getColumnName(int columnIndex) {
return "Column_" + columnIndex;
}
public String getColumnIdentifier(int columnIndex) {
return null;
}
}
}
The table below shows all metrics for JXTree.java.
| Metric | Value | Description | |
|---|---|---|---|
| BLOCKS | 92.00 | Number of blocks | |
| BLOCK_COMMENT | 20.00 | Number of block comment lines | |
| COMMENTS | 297.00 | Comment lines | |
| COMMENT_DENSITY | 1.06 | Comment density | |
| COMPARISONS | 43.00 | Number of comparison operators | |
| CYCLOMATIC | 102.00 | Cyclomatic complexity | |
| DECL_COMMENTS | 43.00 | Comments in declarations | |
| DOC_COMMENT | 260.00 | Number of javadoc comment lines | |
| ELOC | 280.00 | Effective lines of code | |
| EXEC_COMMENTS | 13.00 | Comments in executable code | |
| EXITS | 69.00 | Procedure exits | |
| FUNCTIONS | 55.00 | Number of function declarations | |
| HALSTEAD_DIFFICULTY | 62.11 | Halstead difficulty | |
| HALSTEAD_EFFORT | 0.00 | Halstead effort | |
| INTERFACE_COMPLEXITY | 109.00 | 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 | 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 | 5.00 | 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 | 2.00 | 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 | 2.00 | 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 | 6.00 | 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 | 3.00 | 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 | 1.00 | 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 | 2.00 | 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 | 1.00 | 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 | 3.00 | 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 | 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 | 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 | 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 | 0.00 | JAVA0163 Empty statement | |
| JAVA0165 | 0.00 | JAVA0165 Conflicting return statement in finally block | |
| JAVA0166 | 1.00 | 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 | 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 | 1.00 | 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 | 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 | 758.00 | Number of lines in the source file | |
| LINE_COMMENT | 17.00 | Number of line comments | |
| LOC | 371.00 | Lines of code | |
| LOGICAL_LINES | 165.00 | Number of statements | |
| LOOPS | 4.00 | Number of loops | |
| NEST_DEPTH | 6.00 | Maximum nesting depth | |
| OPERANDS | 633.00 | Number of operands | |
| OPERATORS | 1471.00 | Number of operators | |
| PARAMS | 41.00 | Number of formal parameter declarations | |
| PROGRAM_LENGTH | 2104.00 | Halstead program length | |
| PROGRAM_VOCAB | 317.00 | Halstead program vocabulary | |
| PROGRAM_VOLUME | 0.00 | Halstead program volume | |
| RETURNS | 68.00 | Number of return points from functions | |
| SIZE | 24476.00 | Size of the file in bytes | |
| UNIQUE_OPERANDS | 265.00 | Number of unique operands | |
| UNIQUE_OPERATORS | 52.00 | Number of unique operators | |
| WHITESPACE | 90.00 | Number of whitespace lines | |