River.java
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|---|---|---|
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net.sf.freecol.server.generator |
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FreeCol |
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 |  |
| JAVA0031 | JAVA0031 Case statement not properly closed | |
| DECL_COMMENTS | Comments in declarations | |
| JAVA0179 | JAVA0179 Local variable hides visible field | |
| JAVA0049 | JAVA0049 Nested block at depth N (maximum: M) | |
| NEST_DEPTH | Maximum nesting depth | |
| EXITS | Procedure exits | |
| DOC_COMMENT | Number of javadoc comment lines | |
| PROGRAM_VOLUME | Halstead program volume | |
| SIZE | Size of the file in bytes | |
| JAVA0032 | JAVA0032 Switch statement missing default | |
| UNIQUE_OPERATORS | Number of unique operators | |
| JAVA0126 | JAVA0126 Method declares unchecked exception in throws | |
| JAVA0110 | JAVA0110 Incorrect javadoc: no @return tag | |
| LOOPS | Number of loops | |
| JAVA0254 | JAVA0254 Use enhanced for loop construct instead of Iterator | |
| PROGRAM_LENGTH | Halstead program length | |
| OPERATORS | Number of operators | |
| OPERANDS | Number of operands | |
| JAVA0075 | JAVA0075 Method parameter hides field | |
| WHITESPACE | Number of whitespace lines | |
| JAVA0145 | JAVA0145 Tab character used in source file | |
/**
* Copyright (C) 2002-2007 The FreeCol Team
*
* This file is part of FreeCol.
*
* FreeCol is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* FreeCol 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 FreeCol. If not, see <http://www.gnu.org/licenses/>.
*/
package net.sf.freecol.server.generator;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.logging.Logger;
import net.sf.freecol.FreeCol;
import net.sf.freecol.common.model.Map;
import net.sf.freecol.common.model.Map.Direction;
import net.sf.freecol.common.model.Tile;
import net.sf.freecol.common.model.TileImprovement;
import net.sf.freecol.common.model.TileItemContainer;
import net.sf.freecol.common.model.TileType;
import net.sf.freecol.common.model.Map.Position;
import net.sf.freecol.server.model.ServerRegion;
/**
* A river for the map generator.
*/
public class River {
private static final Logger logger = Logger.getLogger(MapGenerator.class.getName());
private static final TileType greatRiver = FreeCol.getSpecification().getTileType("model.tile.greatRiver");
/**
* Directions a river may flow in.
* @see net.sf.freecol.common.model.Map
*/
public static final Direction[] directions = {
Direction.NE, Direction.SE, Direction.SW, Direction.NW};
/**
* Possible direction changes for a river.
* @see net.sf.freecol.common.model.Map
*/
private static enum DirectionChange {
STRAIGHT_AHEAD,
RIGHT_TURN,
LEFT_TURN;
public Direction getNewDirection(Direction oldDirection) {
switch(this) {
case STRAIGHT_AHEAD:
return oldDirection;
case RIGHT_TURN:
switch(oldDirection) {
case NE:
return Direction.SE;
case SE:
return Direction.SW;
case SW:
return Direction.NW;
case NW:
return Direction.NE;
default:
return oldDirection;
}
case LEFT_TURN:
switch(oldDirection) {
case NE:
return Direction.NW;
case SE:
return Direction.NE;
case SW:
return Direction.SE;
case NW:
return Direction.SW;
default:
return oldDirection;
}
}
return oldDirection;
}
}
/**
* Current direction the river is flowing in.
*/
private Direction direction;
/**
* The map on which the river flows.
*/
private Map map;
/**
* A list of river sections.
*/
private List<RiverSection> sections = new ArrayList<RiverSection>();
/**
* The next river.
*/
private River nextRiver = null;
/**
* The ServerRegion this River belongs to.
*/
private ServerRegion region;
/**
* A hashtable of position-river pairs.
*/
private java.util.Map<Position, River> riverMap;
/**
* Whether the river is connected to Europe.
*/
private boolean connected = false;
/**
* Constructor.
*
* @param map The map on which the river flows.
* @param riverMap A hashtable of position-river pairs.
*/
public River(Map map, java.util.Map<Position, River> riverMap, ServerRegion region) {
this.map = map;
this.riverMap = riverMap;
this.region = region;
int length = directions.length;
int index = map.getGame().getModelController().getPseudoRandom().nextInt(length);
direction = directions[index];
logger.fine("Starting new river flowing " + direction.toString());
}
public List<RiverSection> getSections() {
return sections;
}
/**
* Returns the length of this river.
*
* @return the length of this river.
*/
public int getLength() {
return this.sections.size();
}
public RiverSection getLastSection() {
return this.sections.get(sections.size() - 1);
}
/**
* Get the <code>ServerRegion</code> value.
*
* @return a <code>ServerRegion</code> value
*/
public final ServerRegion getRegion() {
return region;
}
/**
* Set the <code>ServerRegion</code> value.
*
* @param newServerRegion The new ServerRegion value.
*/
public final void setRegion(final ServerRegion newServerRegion) {
this.region = newServerRegion;
}
/**
* Adds a new section to this river.
*
* @param position Where this section is located.
* @param direction The direction the river is flowing in.
*/
public void add(Map.Position position, Direction direction) {
this.sections.add(new RiverSection(position, direction));
}
/**
* Increases the size of this river.
*
* @param lastSection The last section of the river flowing into this one.
* @param position The position of the confluence.
*/
public void grow(RiverSection lastSection, Map.Position position) {
boolean found = false;
for (RiverSection section : sections) {
if (found) {
section.grow();
} else if (section.getPosition().equals(position)) {
section.setBranch(lastSection.direction.getReverseDirection(),
lastSection.getSize());
section.grow();
found = true;
}
}
drawToMap();
if (nextRiver != null) {
RiverSection section = sections.get(sections.size() - 1);
Position neighbor = Map.getAdjacent(section.getPosition(), section.direction);
nextRiver.grow(section, neighbor);
}
}
/**
* Returns true if the given position is next to this river.
*
* @param p A map position.
* @return true if the given position is next to this river.
*/
public boolean isNextToSelf(Map.Position p) {
for (Direction direction : directions) {
Map.Position px = Map.getAdjacent(p, direction);
if (this.contains(px)) {
return true;
}
}
return false;
}
/**
* Returns true if the given position is next to a river, lake or sea.
*
* @param p A map position.
* @return true if the given position is next to a river, lake or sea.
*/
public boolean isNextToWater(Map.Position p) {
for (Direction direction : directions) {
Map.Position px = Map.getAdjacent(p, direction);
final Tile tile = map.getTile(px);
if (tile == null) {
continue;
}
if (!tile.isLand() || tile.hasRiver()) {
return true;
}
}
return false;
}
/**
* Returns true if this river already contains the given position.
*
* @param p A map position.
* @return true if this river already contains the given position.
*/
public boolean contains(Map.Position p) {
Iterator<RiverSection> sectionIterator = sections.iterator();
while (sectionIterator.hasNext()) {
Map.Position q = sectionIterator.next().getPosition();
if (p.equals(q)) {
return true;
}
}
return false;
}
/**
* Creates a river flowing from the given position if possible.
*
* @param position A map position.
* @return true if a river was created, false otherwise.
*/
public boolean flowFromSource(Map.Position position) {
Tile tile = map.getTile(position);
if (!tile.getType().canHaveRiver()) {
// Mountains, ocean cannot have rivers
logger.fine("Tile (" + tile.getType().getName() + ") at "
+ position + " cannot have rivers.");
return false;
} else if (isNextToWater(position)) {
logger.fine("Tile at " + position + " is next to water.");
return false;
} else {
logger.fine("Tile at " + position + " is suitable source.");
return flow(position);
}
}
/**
* Lets the river flow from the given position.
*
* @param source A map position.
* @return true if a river was created, false otherwise.
*/
private boolean flow(Map.Position source) {
if (sections.size() % 2 == 0) {
// get random new direction
int length = DirectionChange.values().length;
int index = map.getGame().getModelController().getPseudoRandom().nextInt(length);
DirectionChange change = DirectionChange.values()[index];
this.direction = change.getNewDirection(this.direction);
logger.fine("Direction is now " + direction);
}
for (DirectionChange change : DirectionChange.values()) {
Direction dir = change.getNewDirection(direction);
Map.Position newPosition = Map.getAdjacent(source, dir);
Tile nextTile = map.getTile(newPosition);
if (nextTile == null) {
continue;
}
// is the tile suitable for this river?
if (!nextTile.getType().canHaveRiver()) {
// Mountains, ocean cannot have rivers
logger.fine("Tile (" + nextTile.getType().getName() + ") at "
+ newPosition + " cannot have rivers.");
continue;
} else if (this.contains(newPosition)) {
logger.fine("Tile at " + newPosition + " is already in river.");
continue;
} else if (isNextToSelf(newPosition)) {
logger.fine("Tile at " + newPosition + " is next to the river.");
continue;
} else {
// find out if an adjacent tile is next to water
for (DirectionChange change2 : DirectionChange.values()) {
Direction lastDir = change2.getNewDirection(dir);
Map.Position px = Map.getAdjacent(newPosition, lastDir);
Tile tile = map.getTile(px);
if (tile != null && (!tile.isLand() || tile.hasRiver())) {
sections.add(new RiverSection(source, dir));
RiverSection lastSection = new RiverSection(newPosition, lastDir);
sections.add(lastSection);
if (tile.hasRiver() && tile.isLand()) {
logger.fine("Point " + newPosition + " is next to another river.");
drawToMap();
// increase the size of another river
nextRiver = riverMap.get(px);
nextRiver.grow(lastSection, px);
} else {
// flow into the sea (or a lake)
logger.fine("Point " + newPosition + " is next to water.");
River someRiver = riverMap.get(px);
if (someRiver == null) {
sections.add(new RiverSection(px, lastDir.getReverseDirection()));
} else {
RiverSection waterSection = someRiver.getLastSection();
waterSection.setBranch(lastDir.getReverseDirection(),
TileImprovement.SMALL_RIVER);
}
connected = tile.isConnected();
drawToMap();
}
return true;
}
}
// this is not the case
logger.fine("Tile at " + newPosition + " is suitable.");
sections.add(new RiverSection(source, dir));
return flow(newPosition);
}
}
sections = new ArrayList<RiverSection>();
return false;
}
/**
* Draws the completed river to the map.
*/
private void drawToMap() {
RiverSection oldSection = null;
for (RiverSection section : sections) {
riverMap.put(section.getPosition(), this);
if (oldSection != null) {
section.setBranch(oldSection.direction.getReverseDirection(),
oldSection.getSize());
}
Tile tile = map.getTile(section.getPosition());
if (tile.isLand()) {
TileItemContainer container = tile.getTileItemContainer();
if (container == null) {
container = new TileItemContainer(tile.getGame(), tile);
tile.setTileItemContainer(container);
}
if (section.getSize() == TileImprovement.SMALL_RIVER ||
section.getSize() == TileImprovement.LARGE_RIVER) {
container.addRiver(section.getSize(), section.encodeStyle());
logger.fine("Added river (magnitude: " + section.getSize() +
") to tile at " + section.getPosition());
} else if (section.getSize() >= TileImprovement.FJORD_RIVER) {
tile.setType(greatRiver); // changing the type resets the improvements
container.addRiver(section.getSize(), section.encodeStyle());
if (connected) {
tile.setConnected(true);
}
logger.fine("Added fjord (magnitude: " + section.getSize() +
") to tile at " + section.getPosition());
}
region.addTile(tile);
oldSection = section;
}
}
}
}
The table below shows all metrics for River.java.
| Metric | Value | Description | |
|---|---|---|---|
| BLOCKS | 49.00 | Number of blocks | |
| BLOCK_COMMENT | 0.00 | Number of block comment lines | |
| COMMENTS | 124.00 | Comment lines | |
| COMMENT_DENSITY | 0.59 | Comment density | |
| COMPARISONS | 37.00 | Number of comparison operators | |
| CYCLOMATIC | 57.00 | Cyclomatic complexity | |
| DECL_COMMENTS | 23.00 | Comments in declarations | |
| DOC_COMMENT | 116.00 | Number of javadoc comment lines | |
| ELOC | 209.00 | Effective lines of code | |
| EXEC_COMMENTS | 8.00 | Comments in executable code | |
| EXITS | 48.00 | Procedure exits | |
| FUNCTIONS | 15.00 | Number of function declarations | |
| HALSTEAD_DIFFICULTY | 85.94 | Halstead difficulty | |
| HALSTEAD_EFFORT | 0.00 | Halstead effort | |
| INTERFACE_COMPLEXITY | 47.00 | 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 | 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 | 2.00 | JAVA0031 Case statement not properly closed | |
| JAVA0032 | 1.00 | 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 | 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 | 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 | 1.00 | 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 | 1.00 | 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 | 1.00 | 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 | 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 | 0.00 | 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 | 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 | 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 | 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 | 2.00 | 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 | 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 | 1.00 | 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 | 418.00 | Number of lines in the source file | |
| LINE_COMMENT | 8.00 | Number of line comments | |
| LOC | 254.00 | Lines of code | |
| LOGICAL_LINES | 131.00 | Number of statements | |
| LOOPS | 1.00 | Number of loops | |
| NEST_DEPTH | 7.00 | Maximum nesting depth | |
| OPERANDS | 640.00 | Number of operands | |
| OPERATORS | 1197.00 | Number of operators | |
| PARAMS | 14.00 | Number of formal parameter declarations | |
| PROGRAM_LENGTH | 1837.00 | Halstead program length | |
| PROGRAM_VOCAB | 222.00 | Halstead program vocabulary | |
| PROGRAM_VOLUME | 0.00 | Halstead program volume | |
| RETURNS | 33.00 | Number of return points from functions | |
| SIZE | 14719.00 | Size of the file in bytes | |
| UNIQUE_OPERANDS | 175.00 | Number of unique operands | |
| UNIQUE_OPERATORS | 47.00 | Number of unique operators | |
| WHITESPACE | 40.00 | Number of whitespace lines | |