RegexUrlMapping.java
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org.codehaus.groovy.grails.web.mapping |
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Grails |
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 |  |
| JAVA0144 | JAVA0144 Line exceeds maximum M characters | |
| JAVA0075 | JAVA0075 Method parameter hides field | |
| LOOPS | Number of loops | |
| COMPARISONS | Number of comparison operators | |
| PARAMS | Number of formal parameter declarations | |
| CYCLOMATIC | Cyclomatic complexity | |
| UNIQUE_OPERANDS | Number of unique operands | |
| EXITS | Procedure exits | |
| PROGRAM_VOCAB | Halstead program vocabulary | |
| INTERFACE_COMPLEXITY | Interface complexity | |
| JAVA0270 | JAVA0270 Use Java 5.0 enhanced for loop construct to iterate over all elements in an array | |
| OPERANDS | Number of operands | |
| PROGRAM_LENGTH | Halstead program length | |
| BLOCKS | Number of blocks | |
| OPERATORS | Number of operators | |
| SIZE | Size of the file in bytes | |
| LOGICAL_LINES | Number of statements | |
| JAVA0130 | JAVA0130 Non-static method does not use instance fields | |
| JAVA0254 | JAVA0254 Use enhanced for loop construct instead of Iterator | |
| JAVA0049 | JAVA0049 Nested block at depth N (maximum: M) | |
| RETURNS | Number of return points from functions | |
| UNIQUE_OPERATORS | Number of unique operators | |
| LOC | Lines of code | |
| ELOC | Effective lines of code | |
| NEST_DEPTH | Maximum nesting depth | |
| PROGRAM_VOLUME | Halstead program volume | |
| JAVA0136 | JAVA0136 N methods defined in class (maximum: M) | |
| JAVA0126 | JAVA0126 Method declares unchecked exception in throws | |
| EXEC_COMMENTS | Comments in executable code | |
| LINE_COMMENT | Number of line comments | |
| LINES | Number of lines in the source file | |
| JAVA0030 | JAVA0030 Private field not used | |
| JAVA0117 | JAVA0117 Missing javadoc: method 'method' | |
| JAVA0108 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| JAVA0145 | JAVA0145 Tab character used in source file | |
/* Copyright 2004-2005 Graeme Rocher
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.codehaus.groovy.grails.web.mapping;
import groovy.lang.Closure;
import org.apache.commons.lang.StringUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.codehaus.groovy.grails.commons.GrailsControllerClass;
import org.codehaus.groovy.grails.validation.ConstrainedProperty;
import org.codehaus.groovy.grails.web.mapping.exceptions.UrlMappingException;
import org.codehaus.groovy.grails.web.servlet.mvc.GrailsWebRequest;
import org.codehaus.groovy.grails.web.servlet.mvc.exceptions.ControllerExecutionException;
import org.springframework.validation.Errors;
import org.springframework.validation.MapBindingResult;
import org.springframework.web.context.request.RequestContextHolder;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.util.*;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.util.regex.PatternSyntaxException;
/**
* <p>A UrlMapping implementation that takes a Grails URL pattern and turns it into a regex matcher so that
* URLs can be matched and information captured from the match.</p>
*
* <p>A Grails URL pattern is not a regex, but is an extension to the form defined by Apache Ant and used by
* Spring AntPathMatcher. Unlike regular Ant paths Grails URL patterns allow for capturing groups in the form:</p>
*
* <code>/blog/(*)/**</code>
*
* <p>The parenthesis define a capturing group. This implementation transforms regular Ant paths into regular expressions
* that are able to use capturing groups</p>
*
*
* @see org.springframework.util.AntPathMatcher
*
* @author Graeme Rocher
* @since 0.5
*
* <p/>
* Created: Feb 28, 2007
* Time: 6:12:52 PM
*/
public class RegexUrlMapping extends AbstractUrlMapping implements UrlMapping {
private Pattern[] patterns;
private UrlMappingData urlData;
private static final String WILDCARD = "*";
private static final String CAPTURED_WILDCARD = "(*)";
private static final String SLASH = "/";
private static final char QUESTION_MARK = '?';
private static final String ENTITY_AMPERSAND = "&";
private static final char AMPERSAND = '&';
private static final String DOUBLE_WILDCARD = "**";
private static final String DEFAULT_ENCODING = "UTF-8";
private static final String CAPTURED_DOUBLE_WILDCARD = "(**)";
private static final Log LOG = LogFactory.getLog(RegexUrlMapping.class);
/**
* Constructs a new RegexUrlMapping for the given pattern, controller name, action name and constraints.
*
* @param data An instance of the UrlMappingData class that holds necessary information of the URL mapping
* @param controllerName The name of the controller the URL maps to (required)
* @param actionName The name of the action the URL maps to
* @param viewName The name of the view as an alternative to the name of the action. If the action is specified it takes precedence over the view name during mapping
* @param constraints A list of ConstrainedProperty instances that relate to tokens in the URL
*
* @see org.codehaus.groovy.grails.validation.ConstrainedProperty
*/
public RegexUrlMapping(UrlMappingData data, Object controllerName, Object actionName, Object viewName, ConstrainedProperty[] constraints) {
super(controllerName, actionName, viewName, constraints != null ? constraints : new ConstrainedProperty[0]);
parse(data, constraints);
}
private void parse(UrlMappingData data, ConstrainedProperty[] constraints) {
if(data == null) throw new IllegalArgumentException("Argument [pattern] cannot be null");
String[] urls = data.getLogicalUrls();
this.urlData = data;
this.patterns = new Pattern[urls.length];
for (int i = 0; i < urls.length; i++) {
String url = urls[i];
Pattern pattern = convertToRegex(url);
if(pattern == null) throw new IllegalStateException("Cannot use null pattern in regular expression mapping for url ["+data.getUrlPattern()+"]");
this.patterns[i] = pattern;
}
if(constraints != null) {
for (int i = 0; i < constraints.length; i++) {
ConstrainedProperty constraint = constraints[i];
if(data.isOptional(i)) {
constraint.setNullable(true);
}
}
}
}
/**
* Converst a Grails URL provides via the UrlMappingData interface to a regular expression
*
* @param url The URL to convert
* @return A regex Pattern objet
*/
protected Pattern convertToRegex(String url) {
Pattern regex;
String pattern = null;
try {
pattern = "^" + url.replaceAll("([^\\*])\\*([^\\*])", "$1[^/]+$2").replaceAll("([^\\*])\\*$", "$1[^/]+").replaceAll("\\*\\*", ".*");
pattern += "/??$";
regex = Pattern.compile(pattern);
} catch (PatternSyntaxException pse) {
throw new UrlMappingException("Error evaluating mapping for pattern ["+pattern+"] from Grails URL mappings: " + pse.getMessage(), pse);
}
return regex;
}
/**
* Matches the given URI and returns a DefaultUrlMappingInfo instance or null
*
*
* @param uri The URI to match
* @return A UrlMappingInfo instance or null
*
* @see org.codehaus.groovy.grails.web.mapping.UrlMappingInfo
*/
public UrlMappingInfo match(String uri) {
for (int i = 0; i < patterns.length; i++) {
Pattern pattern = patterns[i];
Matcher m = pattern.matcher(uri);
if(m.matches()) {
UrlMappingInfo urlInfo = createUrlMappingInfo(uri,m);
if(urlInfo!=null) {
return urlInfo;
}
}
}
return null;
}
/**
* @see org.codehaus.groovy.grails.web.mapping.UrlMapping
*/
public String createURL(Map parameterValues, String encoding) {
return createURLInternal(parameterValues, encoding, true);
}
private String createURLInternal(Map parameterValues, String encoding, boolean includeContextPath) {
if(encoding == null) encoding = "utf-8";
String contextPath = "";
if(includeContextPath) {
GrailsWebRequest webRequest = (GrailsWebRequest) RequestContextHolder.getRequestAttributes();
if(webRequest != null) {
contextPath = webRequest.getAttributes().getApplicationUri(webRequest.getCurrentRequest());
}
}
if(parameterValues==null)parameterValues= Collections.EMPTY_MAP;
StringBuffer uri = new StringBuffer(contextPath);
Set usedParams = new HashSet();
String[] tokens = urlData.getTokens();
int paramIndex = 0;
for (int i = 0; i < tokens.length; i++) {
String token = tokens[i];
if(CAPTURED_WILDCARD.equals(token) || CAPTURED_DOUBLE_WILDCARD.equals(token)) {
ConstrainedProperty prop = this.constraints[paramIndex++];
String propName = prop.getPropertyName();
Object value = parameterValues.get(propName);
usedParams.add(propName);
if(value == null && !prop.isNullable())
throw new UrlMappingException("Unable to create URL for mapping ["+this+"] and parameters ["+parameterValues+"]. Parameter ["+prop.getPropertyName()+"] is required, but was not specified!");
else if(value == null)
break;
try {
uri.append(SLASH).append(URLEncoder.encode(value.toString(), encoding));
} catch (UnsupportedEncodingException e) {
throw new ControllerExecutionException("Error creating URL for parameters ["+parameterValues +"], problem encoding URL part ["+value +"]: " + e.getMessage(),e);
}
}
else {
uri.append(SLASH).append(token);
}
}
populateParameterList(parameterValues, encoding, uri, usedParams);
if(LOG.isDebugEnabled()) {
LOG.debug("Created reverse URL mapping ["+uri.toString()+"] for parameters ["+parameterValues+"]");
}
return uri.toString();
}
public String createURL(Map parameterValues, String encoding, String fragment) {
String url = createURL(parameterValues, encoding);
return createUrlWithFragment(url, fragment, encoding);
}
public String createURL(String controller, String action, Map parameterValues, String encoding) {
return createURLInternal(controller, action, parameterValues, encoding, true);
}
private String createURLInternal(String controller, String action, Map parameterValues, String encoding, boolean includeContextPath) {
if(parameterValues == null) parameterValues = new HashMap();
boolean hasController = !StringUtils.isBlank(controller);
boolean hasAction = !StringUtils.isBlank(action);
try {
if(hasController)
parameterValues.put(CONTROLLER, controller);
if(hasAction)
parameterValues.put(ACTION, action);
return createURLInternal(parameterValues, encoding, includeContextPath);
} finally {
if(hasController)
parameterValues.remove(CONTROLLER);
if(hasAction)
parameterValues.remove(ACTION);
}
}
public String createRelativeURL(String controller, String action, Map parameterValues, String encoding) {
return createURLInternal(controller, action, parameterValues, encoding, false);
}
public String createURL(String controller, String action, Map parameterValues, String encoding, String fragment) {
String url = createURL(controller, action, parameterValues, encoding);
return createUrlWithFragment(url, fragment, encoding);
}
private String createUrlWithFragment(String url, String fragment, String encoding) {
if(fragment != null) {
// A 'null' encoding will cause an exception, so default to 'UTF-8'.
if (encoding == null) {
encoding = DEFAULT_ENCODING;
}
try {
return url + '#' + URLEncoder.encode(fragment, encoding);
} catch (UnsupportedEncodingException ex) {
throw new ControllerExecutionException("Error creating URL ["+url +"], problem encoding URL fragment ["+fragment +"]: " + ex.getMessage(),ex);
}
}
else {
return url;
}
}
private void populateParameterList(Map parameterValues, String encoding, StringBuffer uri, Set usedParams) {
boolean addedParams = false;
usedParams.add( "controller" );
usedParams.add( "action" );
// A 'null' encoding will cause an exception, so default to 'UTF-8'.
if (encoding == null) {
encoding = DEFAULT_ENCODING;
}
for (Iterator i = parameterValues.keySet().iterator(); i.hasNext();) {
String name = i.next().toString();
if(!usedParams.contains(name)) {
if(!addedParams) {
uri.append(QUESTION_MARK);
addedParams = true;
}
else {
uri.append(AMPERSAND);
}
Object value = parameterValues.get(name);
if(value != null && value instanceof Collection) {
Collection multiValues = (Collection)value;
for (Iterator j = multiValues.iterator(); j.hasNext();) {
Object o = j.next();
appendValueToURI(encoding, uri, name, o);
if(j.hasNext()) {
uri.append(AMPERSAND);
}
}
}
else if(value!= null && value.getClass().isArray()) {
Object[] multiValues = (Object[])value;
for (int j = 0; j < multiValues.length; j++) {
Object o = multiValues[j];
appendValueToURI(encoding, uri, name, o);
if(j+1 < multiValues.length) {
uri.append(AMPERSAND);
}
}
}
else {
appendValueToURI(encoding, uri, name, value);
}
}
}
}
private void appendValueToURI(String encoding, StringBuffer uri, String name, Object value) {
try {
uri.append(URLEncoder.encode(name,encoding)).append('=')
.append(URLEncoder.encode(value != null ? value.toString() : "",encoding));
} catch (UnsupportedEncodingException e) {
throw new ControllerExecutionException("Error redirecting request for url ["+name+":"+value +"]: " + e.getMessage(),e);
}
}
public UrlMappingData getUrlData() {
return this.urlData;
}
private UrlMappingInfo createUrlMappingInfo(String uri, Matcher m) {
Map params = new HashMap();
Errors errors = new MapBindingResult(params, "urlMapping");
String lastGroup = null;
for (int i = 0; i < m.groupCount(); i++) {
lastGroup = m.group(i+1);
int j = lastGroup.indexOf('?');
if(j >-1) {
lastGroup = lastGroup.substring(0,j);
}
if(constraints.length > i) {
ConstrainedProperty cp = constraints[i];
cp.validate(this,lastGroup, errors);
if(errors.hasErrors()) return null;
else {
params.put(cp.getPropertyName(), lastGroup);
}
}
}
if(lastGroup!= null) {
String remainingUri = uri.substring(uri.lastIndexOf(lastGroup)+lastGroup.length());
if(remainingUri.length() > 0) {
if(remainingUri.startsWith(SLASH))remainingUri = remainingUri.substring(1);
String[] tokens = remainingUri.split(SLASH);
for (int i = 0; i < tokens.length; i=i+2) {
String token = tokens[i];
if((i+1) < tokens.length) {
params.put(token, tokens[i+1]);
}
}
}
}
for (Iterator i = this.parameterValues.keySet().iterator(); i.hasNext();) {
Object key = i.next();
params.put(key, this.parameterValues.get(key));
}
if(controllerName == null) {
this.controllerName = createRuntimeConstraintEvaluator(GrailsControllerClass.CONTROLLER, this.constraints);
}
if(actionName == null) {
this.actionName = createRuntimeConstraintEvaluator(GrailsControllerClass.ACTION, this.constraints);
}
if(viewName == null) {
this.viewName = createRuntimeConstraintEvaluator(GrailsControllerClass.VIEW, this.constraints);
}
if (viewName != null && this.controllerName == null) {
return new DefaultUrlMappingInfo(viewName, params,this.urlData);
}
else {
return new DefaultUrlMappingInfo(this.controllerName, this.actionName,getViewName(), params,this.urlData);
}
}
/**
* This method will look for a constraint for the given name and return a closure that when executed will
* attempt to evaluate its value from the bound request parameters at runtime.
*
* @param name The name of the constrained property
* @param constraints The array of current ConstrainedProperty instances
* @return Either a Closure or null
*/
private Object createRuntimeConstraintEvaluator(final String name, ConstrainedProperty[] constraints) {
if(constraints == null)return null;
for (int i = 0; i < constraints.length; i++) {
ConstrainedProperty constraint = constraints[i];
if(constraint.getPropertyName().equals(name)) {
return new Closure(this) {
public Object call(Object[] objects) {
GrailsWebRequest webRequest = (GrailsWebRequest)RequestContextHolder.currentRequestAttributes();
return webRequest.getParams().get(name);
}
};
}
}
return null;
}
public String[] getLogicalMappings() {
return this.urlData.getLogicalUrls();
}
/**
* Compares this UrlMapping instance with the specified UrlMapping instance and deals with URL mapping precedence rules.
*
* @param o An instance of the UrlMapping interface
* @return 1 if this UrlMapping should match before the specified UrlMapping. 0 if they are equal or -1 if this UrlMapping should match after the given UrlMapping
*/
public int compareTo(Object o) {
if(!(o instanceof UrlMapping)) throw new IllegalArgumentException("Cannot compare with Object ["+o+"]. It is not an instance of UrlMapping!");
UrlMapping other = (UrlMapping)o;
String[] otherTokens = other
.getUrlData()
.getTokens();
String[] tokens = getUrlData().getTokens();
if( isWildcard(this) && !isWildcard( other ) ) return -1;
if( !isWildcard(this) && isWildcard( other ) ) return 1;
if(tokens.length < otherTokens.length) {
return -1;
}
else if(tokens.length > otherTokens.length) {
return 1;
}
int result = 0;
for (int i = 0; i < tokens.length; i++) {
String token = tokens[i];
if(otherTokens.length > i) {
String otherToken = otherTokens[i];
if(isWildcard(token) && !isWildcard(otherToken)) {
result = -1;
break;
}
else if(!isWildcard(token) && isWildcard(otherToken)) {
result = 1;
break;
}
}
else {
break;
}
}
return result;
}
private boolean isWildcard(UrlMapping mapping) {
String[] tokens = mapping.getUrlData().getTokens();
for( int i = 0; i < tokens.length; i++ ) {
if( isWildcard( tokens[i] )) return true;
}
return false;
}
private boolean isWildcard(String token) {
return WILDCARD.equals(token) || CAPTURED_WILDCARD.equals(token) || DOUBLE_WILDCARD.equals(token) || CAPTURED_DOUBLE_WILDCARD.equals(token);
}
public String toString() {
return this.urlData.getUrlPattern();
}
}
The table below shows all metrics for RegexUrlMapping.java.
| Metric | Value | Description | |
|---|---|---|---|
| BLOCKS | 85.00 | Number of blocks | |
| BLOCK_COMMENT | 14.00 | Number of block comment lines | |
| COMMENTS | 81.00 | Comment lines | |
| COMMENT_DENSITY | 0.31 | Comment density | |
| COMPARISONS | 82.00 | Number of comparison operators | |
| CYCLOMATIC | 102.00 | Cyclomatic complexity | |
| DECL_COMMENTS | 8.00 | Comments in declarations | |
| DOC_COMMENT | 65.00 | Number of javadoc comment lines | |
| ELOC | 264.00 | Effective lines of code | |
| EXEC_COMMENTS | 2.00 | Comments in executable code | |
| EXITS | 69.00 | Procedure exits | |
| FUNCTIONS | 23.00 | Number of function declarations | |
| HALSTEAD_DIFFICULTY | 82.65 | Halstead difficulty | |
| HALSTEAD_EFFORT | 0.00 | Halstead effort | |
| INTERFACE_COMPLEXITY | 98.00 | 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 | 1.00 | 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 | 18.00 | 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 | 10.00 | 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 | 1.00 | 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 | 1.00 | 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 | 1.00 | 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 | 3.00 | JAVA0130 Non-static method does not use instance fields | |
| JAVA0131 | 0.00 | JAVA0131 Compatible method does not override base | |
| JAVA0132 | 0.00 | JAVA0132 Method overload with compatible signature | |
| JAVA0133 | 0.00 | JAVA0133 Non-synchronized method overrides synchronized method | |
| JAVA0135 | 0.00 | JAVA0135 Only one of Object.equals and Object.hashCode defined: missing 'method' | |
| JAVA0136 | 1.00 | JAVA0136 N methods defined in class (maximum: M) | |
| JAVA0137 | 0.00 | JAVA0137 Non-abstract class missing constructor | |
| JAVA0138 | 0.00 | JAVA0138 N parameters defined for method (maximum: M) | |
| JAVA0139 | 0.00 | JAVA0139 Definition of main other than public static void main(java.lang.String[]) | |
| JAVA0141 | 0.00 | JAVA0141 Unnecessary modifier for method in interface | |
| JAVA0143 | 0.00 | JAVA0143 Synchronized method | |
| JAVA0144 | 12.00 | JAVA0144 Line exceeds maximum M characters | |
| JAVA0145 | 1.00 | 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 | 1.00 | JAVA0177 Variable declaration missing initializer | |
| JAVA0179 | 0.00 | JAVA0179 Local variable hides visible field | |
| JAVA0233 | 0.00 | JAVA0233 Definition of serialVersionUID other than 'private static final long serialVersionUID' | |
| JAVA0234 | 0.00 | JAVA0234 Class is Serializable but does not define serialVersionUID | |
| JAVA0235 | 0.00 | JAVA0235 Class defines serialVersionUID but does not implement Serializable | |
| JAVA0236 | 0.00 | JAVA0236 Attempt to clone an object which does not implement Cloneable | |
| JAVA0237 | 0.00 | JAVA0237 Class implements Cloneable but does not have public clone method | |
| JAVA0238 | 0.00 | JAVA0238 Clone method does not call super.clone() | |
| JAVA0239 | 0.00 | JAVA0239 Class declares 'readObject' or 'writeObject' but does not implement Serializable | |
| JAVA0240 | 0.00 | JAVA0240 Serializable class which declares readObject or writeObject but not both | |
| JAVA0241 | 0.00 | JAVA0241 'readObject' or 'writeObject' should be declared private in Serializable class | |
| JAVA0242 | 0.00 | JAVA0242 Transient field in non-Serializable class | |
| JAVA0243 | 0.00 | JAVA0243 'readResolve' or 'writeReplace' should be declared private or protected | |
| JAVA0244 | 0.00 | JAVA0244 Field or method name in subclass differs only by case from inherited field or method | |
| JAVA0245 | 0.00 | JAVA0245 JUnit TestCase with non-trivial constructor | |
| JAVA0246 | 0.00 | JAVA0246 JUnit assertXXX statement missing message parameter | |
| JAVA0247 | 0.00 | JAVA0247 JUnit 'setUp()' and 'tearDown()' should call super method | |
| JAVA0248 | 0.00 | JAVA0248 JUnit method 'setUp' or 'tearDown' with incorrect signature | |
| JAVA0249 | 0.00 | JAVA0249 JUnit TestCase 'suite()' should be declared static | |
| JAVA0250 | 0.00 | JAVA0250 JUnit TestCase declares testXXX method with incorrect signature | |
| JAVA0251 | 0.00 | JAVA0251 Use '%n' for line breaks in printf/format for platform independence | |
| JAVA0252 | 0.00 | JAVA0252 'enum' is a Java 1.5 reserved word | |
| JAVA0253 | 0.00 | JAVA0253 Not all enum constants consumed in switch statement | |
| JAVA0254 | 2.00 | 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 | 4.00 | 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 | 498.00 | Number of lines in the source file | |
| LINE_COMMENT | 2.00 | Number of line comments | |
| LOC | 345.00 | Lines of code | |
| LOGICAL_LINES | 194.00 | Number of statements | |
| LOOPS | 13.00 | Number of loops | |
| NEST_DEPTH | 6.00 | Maximum nesting depth | |
| OPERANDS | 1001.00 | Number of operands | |
| OPERATORS | 1787.00 | Number of operators | |
| PARAMS | 54.00 | Number of formal parameter declarations | |
| PROGRAM_LENGTH | 2788.00 | Halstead program length | |
| PROGRAM_VOCAB | 381.00 | Halstead program vocabulary | |
| PROGRAM_VOLUME | 0.00 | Halstead program volume | |
| RETURNS | 44.00 | Number of return points from functions | |
| SIZE | 19677.00 | Size of the file in bytes | |
| UNIQUE_OPERANDS | 327.00 | Number of unique operands | |
| UNIQUE_OPERATORS | 54.00 | Number of unique operators | |
| WHITESPACE | 72.00 | Number of whitespace lines | |