DatabasePermission.java
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org.apache.derby.security |
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Apache Derby |
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 | |
|---|---|---|
| EXEC_COMMENTS | Comments in executable code |  |
| LINE_COMMENT | Number of line comments | |
| JAVA0068 | JAVA0068 Modifiers not declared in recommended order | |
| COMMENTS | Comment lines | |
| DOC_COMMENT | Number of javadoc comment lines | |
| JAVA0034 | JAVA0034 Missing braces in if statement | |
| DECL_COMMENTS | Comments in declarations | |
| SIZE | Size of the file in bytes | |
| JAVA0116 | JAVA0116 Missing javadoc: field 'field' | |
| JAVA0009 | JAVA0009 Protected member in final class | |
| JAVA0115 | JAVA0115 Incorrect javadoc: no @throws or @exception tag for 'exception' | |
| JAVA0117 | JAVA0117 Missing javadoc: method 'method' | |
| UNIQUE_OPERATORS | Number of unique operators | |
| PROGRAM_VOLUME | Halstead program volume | |
| JAVA0126 | JAVA0126 Method declares unchecked exception in throws | |
| JAVA0110 | JAVA0110 Incorrect javadoc: no @return tag | |
| LINES | Number of lines in the source file | |
| LOOPS | Number of loops | |
| JAVA0075 | JAVA0075 Method parameter hides field | |
| PARAMS | Number of formal parameter declarations | |
| JAVA0270 | JAVA0270 Use Java 5.0 enhanced for loop construct to iterate over all elements in an array | |
| FUNCTIONS | Number of function declarations | |
| JAVA0108 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| JAVA0145 | JAVA0145 Tab character used in source file | |
| WHITESPACE | Number of whitespace lines | |
/*
Derby - Class org.apache.derby.security.DatabasePermission
Licensed to the Apache Software Foundation (ASF) under one or more
contributor license agreements. See the NOTICE file distributed with
this work for additional information regarding copyright ownership.
The ASF licenses this file to You 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.apache.derby.security;
import java.security.Permission;
import java.security.PrivilegedAction;
import java.security.PrivilegedExceptionAction;
import java.security.PrivilegedActionException;
import java.security.AccessController;
import org.apache.derby.iapi.util.StringUtil;
import java.util.Set;
import java.util.HashSet;
import java.util.Locale;
import java.io.File;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
/**
* This class represents access to database-scoped privileges.
*
* An example of database-scoped privileges is the permission to create
* a database under a specified directory path.
* <p>
* A DatabasePermission is defined by two string attributes, similar to
* a java.io.FilePermission:
* <ul>
* <li> <i>URL</i> - a location description of or for a Derby database
* <li> <i>Actions</i> - a list of granted administrative actions
* </ul>
* The database location URL may contain certain wildcard characters.
* The currently only supported database action is <i>create</i>.
*
* @see DatabasePermission#DatabasePermission(String,String)
* @see SystemPermission
* @see java.io.FilePermission
*/
final public class DatabasePermission extends Permission {
/**
* The URL protocol scheme specifying a directory location.
*/
static public final String URL_PROTOCOL_DIRECTORY = "directory:";
/**
* The location text matching any database anywhere.
*/
static public final String URL_PATH_INCLUSIVE_STRING = "<<ALL FILES>>";
/**
* The path type character matching any database anywhere.
*/
static public final char URL_PATH_INCLUSIVE_CHAR = 'I';
/**
* The URL file path separator character.
*/
static public final char URL_PATH_SEPARATOR_CHAR = '/';
/**
* The relative path character.
*/
static public final char URL_PATH_RELATIVE_CHAR = '.';
/**
* The wildcard character matching any database in a directory.
*/
static public final char URL_PATH_WILDCARD_CHAR = '*';
/**
* The wildcard character matching any database under a directory
* or its subdirectories.
*/
static public final char URL_PATH_RECURSIVE_CHAR = '-';
// derived path type constants
static public final String URL_PATH_SEPARATOR_STRING
= String.valueOf(URL_PATH_SEPARATOR_CHAR);
static public final String URL_PATH_RELATIVE_STRING
= String.valueOf(URL_PATH_RELATIVE_CHAR);
static public final String URL_PATH_RELATIVE_PREFIX
= (URL_PATH_RELATIVE_STRING + URL_PATH_SEPARATOR_CHAR);
static public final String URL_PATH_WILDCARD_STRING
= String.valueOf(URL_PATH_WILDCARD_CHAR);
static public final String URL_PATH_WILDCARD_SUFFIX
= (URL_PATH_SEPARATOR_STRING + URL_PATH_WILDCARD_CHAR);
static public final String URL_PATH_RECURSIVE_STRING
= String.valueOf(URL_PATH_RECURSIVE_CHAR);
static public final String URL_PATH_RECURSIVE_SUFFIX
= (URL_PATH_SEPARATOR_STRING + URL_PATH_RECURSIVE_CHAR);
/**
* The create database permission.
*/
static public final String CREATE = "create";
/**
* The legal database permission action names.
*/
static protected final Set LEGAL_ACTIONS = new HashSet();
static {
// when adding new actions, check: implies(Permission), getActions()
LEGAL_ACTIONS.add(CREATE);
};
/**
* The original location URL passed to constructor.
*/
private final String url;
/**
* This permission's canonical directory path.
*
* The path consists of a canonicalized form of the user-specified URL,
* stripped off the protocol specification and any recursive/wildcard
* characters, or {@code "<<ALL FILES>>"} for the "anywhere" permission.
* The canonical path is used when testing permissions with implies(),
* where real directory locations, not just notational differences,
* ought to be compared. Analog to java.io.FilePermission, the
* canonical path is also used by equals() and hashCode() to support
* hashing and mapping of permissions by their real directory locations.
*
* Because canonical file paths are platform dependent, this field
* must not be serialized (hence transient) but be recomputed from
* the original URL upon deserialization.
*/
private transient String path;
/**
* The parent directory of this permission's canonical directory path,
* or null if this permission's path does not have a parent directory.
*
* Because canonical file paths are platform dependent, this field
* must not be serialized (hence transient) but be recomputed from
* the original URL upon deserialization.
*/
private transient String parentPath;
/**
* Indicates whether the path denotes an inclusive, recursive, wildcard,
* or single location.
*
* If the path denotes an inclusive, recursive or wildcard location,
* this field's value is URL_PATH_INCLUSIVE_CHAR, URL_PATH_RECURSIVE_CHAR,
* or URL_PATH_WILDCARD_CHAR, respectively; otherwise, it's
* URL_PATH_SEPARATOR_CHAR denoting a single location.
*/
private char pathType;
/**
* Creates a new DatabasePermission with the specified URL and actions.
* <P>
* <i>actions</i> contains a comma-separated list of the desired actions
* granted on a database. Currently, the only supported action is
* <code>create</code>.
* <P>
* <i>URL</i> denotes a database location URL, which, at this time, must
* start with <code>directory:</code> followed by a directory pathname.
* Note that in a URL, the separator character is always "/" rather than
* the file separator of the operating-system. The directory path may
* be absolute or relative, in which case it is prefixed with the current
* user directory. In addition, similar to java.io.FilePermission, the
* directory pathname may end with a wildcard character to allow for
* arbitrarily named databases under a path:
* <ul>
* <li> "directory:location" - refers to a database called
* <i>location</i>,
* <li> "directory:location/*" - matches any database in the
* directory <i>location</i>,
* <li> "directory:location/-" - matches any database under
* <i>location</i> or its subdirectories.
* <li> "directory:*" - matches any database in the user's current
* working directory.
* <li> "directory:-" - matches any database under the
* user's current working directory or its subdirectories.
* <li> {@code "directory:<<ALL FILES>>"} matches any database anywhere.
* </ul>
*
* @param url the database URL
* @param actions the action string
* @throws NullPointerException if an argument is null
* @throws IllegalArgumentException if an argument is not legal
* @throws IOException if the location URL cannot be canonicalized
* @see Permission#Permission(String)
* @see java.io.FilePermission#FilePermission(String,String)
*/
public DatabasePermission(String url, String actions)
throws IOException {
super(url);
initActions(actions);
initLocation(url);
// store original URL for reconstructing path at deserialization
this.url = url;
}
/**
* Parses the list of database actions.
*
* @param actions the comma-separated action list
* @throws NullPointerException if actions is null
* @throws IllegalArgumentException if not a list of legal actions
*/
protected void initActions(String actions) {
// analog to java.security.BasicPermission, we check that actions
// is not null nor empty
if (actions == null) {
throw new NullPointerException("actions can't be null");
}
if (actions.length() == 0) {
throw new IllegalArgumentException("actions can't be empty");
}
// check for any illegal actions
actions = actions.toLowerCase(Locale.ENGLISH);
final String[] s = StringUtil.split(actions, ',');
for (int i = 0; i < s.length; i++) {
final String action = s[i].trim();
if (!LEGAL_ACTIONS.contains(action)) {
// report illegal action
final String msg = "Illegal action '" + action + "'";
throw new IllegalArgumentException(msg);
}
}
}
/**
* Parses the database location URL.
*
* @param url the database URL
* @throws NullPointerException if the URL is null
* @throws IllegalArgumentException if the URL is not well-formed
* @throws IOException if the location URL cannot be canonicalized
*/
protected void initLocation(String url)
throws IOException {
// analog to java.security.BasicPermission, we check that URL
// is not null nor empty
if (url == null) {
throw new NullPointerException("URL can't be null");
}
if (url.length() == 0) {
throw new IllegalArgumentException("URL can't be empty");
}
// check URL's protocol scheme and initialize path
if (!url.startsWith(URL_PROTOCOL_DIRECTORY)) {
final String msg = "Unsupported protocol in URL '" + url + "'";
throw new IllegalArgumentException(msg);
}
String p = url.substring(URL_PROTOCOL_DIRECTORY.length());
// check path for inclusive/relative/recursive/wildcard specifications,
// split path into real pathname and the path type
if (p.equals(URL_PATH_INCLUSIVE_STRING)) {
// inclusive: "<<ALL FILES>>" --> 'I', "<<ALL FILES>>"
pathType = URL_PATH_INCLUSIVE_CHAR;
// p = p;
} else if (p.equals(URL_PATH_RECURSIVE_STRING)) {
// relative & recursive: "-" --> '-', "./"
pathType = URL_PATH_RECURSIVE_CHAR;
p = URL_PATH_RELATIVE_PREFIX;
} else if (p.equals(URL_PATH_WILDCARD_STRING)) {
// relative & wildcard: "*" --> '*', "./"
pathType = URL_PATH_WILDCARD_CHAR;
p = URL_PATH_RELATIVE_PREFIX;
} else if (p.endsWith(URL_PATH_RECURSIVE_SUFFIX)) {
// absolute & recursive: "<path>/-" --> '-', "<path>/"
pathType = URL_PATH_RECURSIVE_CHAR;
p = p.substring(0, p.length() - 1);
} else if (p.endsWith(URL_PATH_WILDCARD_SUFFIX)) {
// absolute & wildcard: "<path>/*" --> '*', "<path>/"
pathType = URL_PATH_WILDCARD_CHAR;
p = p.substring(0, p.length() - 1);
} else {
// absolute | relative: "<path>" --> '/', "<path>"
pathType = URL_PATH_SEPARATOR_CHAR;
// p = p;
}
// canonicalize the path and assign parentPath
if (pathType == URL_PATH_INCLUSIVE_CHAR) {
path = URL_PATH_INCLUSIVE_STRING;
//assert(parentPath == null);
} else {
// resolve against user's working directory if relative pathname;
// the read access to the system property is encapsulated in a
// doPrivileged() block to allow for confined codebase permission
// grants
if (p.startsWith(URL_PATH_RELATIVE_PREFIX)) {
final String cwd = (String)AccessController.doPrivileged(
new PrivilegedAction() {
public Object run() {
return System.getProperty("user.dir");
}
});
// concatenated path "<cwd>/./<path>" will be canonicalized
p = cwd + URL_PATH_SEPARATOR_STRING + p;
}
final String absPath = p;
// store canonicalized path as required for implies(Permission);
// may throw IOException; canonicalization reads the "user.dir"
// system property, which we encapsulate in a doPrivileged()
// block to allow for confined codebase permission grants
final File f;
try {
f = (File)AccessController.doPrivileged(
new PrivilegedExceptionAction() {
public Object run() throws IOException {
return (new File(absPath)).getCanonicalFile();
}
});
} catch (PrivilegedActionException pae) {
// pae.getCause() should be an instance of IOException,
// as only checked exceptions will be wrapped
throw (IOException)pae.getCause();
}
path = f.getPath();
// store canonicalized path of parent file as required for
// implies(Permission); may throw IOException; note that
// the path already denotes parent directory if of wildcard type:
// for example, the parent of "/a/-" or "/a/*" is "/a"
parentPath = ((pathType != URL_PATH_SEPARATOR_CHAR)
? path : f.getParent());
}
//assert(pathType == URL_PATH_SEPARATOR_CHAR
// || pathType == URL_PATH_WILDCARD_CHAR
// || pathType == URL_PATH_RECURSIVE_CHAR
// || pathType == URL_PATH_INCLUSIVE_CHAR);
//assert(path != null);
//assert(parentPath == null || parentPath != null);
}
/**
* Checks if this DatabasePermission implies a specified permission.
* <P>
* This method returns true if:<p>
* <ul>
* <li> <i>p</i> is an instanceof DatabasePermission and<p>
* <li> <i>p</i>'s directory pathname is implied by this object's
* pathname. For example, "/tmp/*" implies "/tmp/foo", since
* "/tmp/*" encompasses the "/tmp" directory and all files in that
* directory, including the one named "foo".
* </ul>
* @param p the permission to check against
* @return true if the specified permission is implied by this object,
* false if not
* @see Permission#implies(Permission)
*/
public boolean implies(Permission p) {
// can only imply other DatabasePermissions
if (!(p instanceof DatabasePermission)) {
return false;
}
final DatabasePermission that = (DatabasePermission)p;
// an inclusive permission implies any other
if (this.pathType == URL_PATH_INCLUSIVE_CHAR) {
return true;
}
//assert(this.pathType != URL_PATH_INCLUSIVE_CHAR);
// a non-inclusive permission cannot imply an inclusive one
if (that.pathType == URL_PATH_INCLUSIVE_CHAR) {
return false;
}
//assert(that.pathType != URL_PATH_INCLUSIVE_CHAR);
// a recursive permission implies any other if a path prefix
if (this.pathType == URL_PATH_RECURSIVE_CHAR) {
return (that.parentPath != null
&& that.parentPath.startsWith(this.path));
}
//assert(this.pathType != URL_PATH_RECURSIVE_CHAR);
// a non-recursive permission cannot imply a recursive one
if (that.pathType == URL_PATH_RECURSIVE_CHAR) {
return false;
}
//assert(that.pathType != URL_PATH_RECURSIVE_CHAR);
// a wildcard permission implies another if a parent directory
if (this.pathType == URL_PATH_WILDCARD_CHAR) {
return this.path.equals(that.parentPath);
}
//assert(this.pathType != URL_PATH_WILDCARD_CHAR);
// a non-wildcard permission cannot imply a wildcard one
if (that.pathType == URL_PATH_WILDCARD_CHAR) {
return false;
}
//assert(that.pathType != URL_PATH_WILDCARD_CHAR);
// non-recursive, non-wildcard permissions imply when paths are equal
//assert(this.pathType == URL_PATH_SEPARATOR_CHAR);
//assert(that.pathType == URL_PATH_SEPARATOR_CHAR);
return this.path.equals(that.path);
}
/**
* Checks two DatabasePermission objects for equality.
* <P>
* Checks that <i>obj</i> is a DatabasePermission and has the same
* canonizalized URL and actions as this object.
* <P>
* @param obj the object we are testing for equality with this object
* @return true if obj is a DatabasePermission, and has the same URL and
* actions as this DatabasePermission object, false if not
*
* @see Permission#equals(Object)
*/
public boolean equals(Object obj) {
if (obj == this) {
return true;
}
if (!(obj instanceof DatabasePermission)) {
return false;
}
final DatabasePermission that = (DatabasePermission)obj;
// compare canonicalized URLs
return (pathType == that.pathType && path.equals(that.path));
}
/**
* Returns the hash code value for this object.
*
* @return a hash code value for this object
* @see Permission#hashCode()
*/
public int hashCode() {
// hash canonicalized URL
return (path.hashCode() ^ pathType);
}
/**
* Returns the "canonical string representation" of the actions.
*
* @return the canonical string representation of the actions
* @see Permission#getActions()
*/
public String getActions() {
// currently, the only supported action
return CREATE;
}
/**
* Called upon Serialization for saving the state of this
* DatabasePermission to a stream.
*/
private void writeObject(ObjectOutputStream s)
throws IOException {
// write the non-static and non-transient fields to the stream
s.defaultWriteObject();
}
/**
* Called upon Deserialization for restoring the state of this
* DatabasePermission from a stream.
*/
private void readObject(ObjectInputStream s)
throws IOException, ClassNotFoundException
{
// read the non-static and non-transient fields from the stream
s.defaultReadObject();
// restore the platform-dependent path from the original URL
initLocation(url);
}
}
The table below shows all metrics for DatabasePermission.java.
| Metric | Value | Description | |
|---|---|---|---|
| BLOCKS | 39.00 | Number of blocks | |
| BLOCK_COMMENT | 20.00 | Number of block comment lines | |
| COMMENTS | 268.00 | Comment lines | |
| COMMENT_DENSITY | 1.81 | Comment density | |
| COMPARISONS | 30.00 | Number of comparison operators | |
| CYCLOMATIC | 38.00 | Cyclomatic complexity | |
| DECL_COMMENTS | 25.00 | Comments in declarations | |
| DOC_COMMENT | 183.00 | Number of javadoc comment lines | |
| ELOC | 148.00 | Effective lines of code | |
| EXEC_COMMENTS | 44.00 | Comments in executable code | |
| EXITS | 24.00 | Procedure exits | |
| FUNCTIONS | 11.00 | Number of function declarations | |
| HALSTEAD_DIFFICULTY | 75.82 | Halstead difficulty | |
| HALSTEAD_EFFORT | 0.00 | Halstead effort | |
| INTERFACE_COMPLEXITY | 41.00 | 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 | 3.00 | 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 | 0.00 | JAVA0034 Missing braces in if statement | |
| JAVA0035 | 0.00 | JAVA0035 Missing braces in for statement | |
| JAVA0036 | 0.00 | JAVA0036 Missing braces in while statement | |
| JAVA0038 | 0.00 | JAVA0038 Non-case label in switch statement | |
| JAVA0039 | 0.00 | JAVA0039 Break statement with label | |
| JAVA0040 | 0.00 | JAVA0040 Switch statement contains N cases (maximum: M) | |
| JAVA0041 | 0.00 | JAVA0041 Nested synchronized block | |
| JAVA0042 | 0.00 | JAVA0042 Empty synchronized statement | |
| JAVA0043 | 0.00 | JAVA0043 Inner class does not use outer class | |
| JAVA0044 | 0.00 | JAVA0044 Serializable class with no instance variables | |
| JAVA0045 | 0.00 | JAVA0045 Serializable class with only transient fields | |
| JAVA0046 | 0.00 | JAVA0046 Name of class not derived from Exception ends with 'Exception' | |
| JAVA0047 | 0.00 | JAVA0047 Serializable class derives from invalid base class | |
| JAVA0048 | 0.00 | JAVA0048 Name of class derived from Exception does not end with 'Exception' | |
| JAVA0049 | 0.00 | JAVA0049 Nested block at depth N (maximum: M) | |
| JAVA0050 | 0.00 | JAVA0050 Class derives from java.lang.Error | |
| JAVA0051 | 0.00 | JAVA0051 Class derives from java.lang.RuntimeException | |
| JAVA0052 | 0.00 | JAVA0052 Class derives from java.lang.Throwable | |
| JAVA0053 | 0.00 | JAVA0053 Unused label | |
| JAVA0054 | 0.00 | JAVA0054 Inheritance depth N exceeds maximum M | |
| JAVA0055 | 0.00 | JAVA0055 Class should be interface | |
| JAVA0056 | 0.00 | JAVA0056 Unnecessary abstract modifier for interface or annotation | |
| JAVA0057 | 0.00 | JAVA0057 Unnecessary default constructor | |
| JAVA0058 | 0.00 | JAVA0058 Constructor calls super() | |
| JAVA0059 | 0.00 | JAVA0059 Method override only calls super() | |
| JAVA0061 | 0.00 | JAVA0061 Inaccessible member in anonymous class | |
| JAVA0062 | 0.00 | JAVA0062 Public class missing public member or protected constructor | |
| JAVA0063 | 0.00 | JAVA0063 Identifier name should not contain '$' | |
| JAVA0064 | 0.00 | JAVA0064 N variations of identifier name (maximum: M) | |
| JAVA0065 | 0.00 | JAVA0065 Unnecessary final modifier for method in final class | |
| JAVA0066 | 0.00 | JAVA0066 Unnecessary modifier for interface nested type | |
| JAVA0067 | 0.00 | JAVA0067 Array descriptor on identifier name | |
| JAVA0068 | 17.00 | 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 | 2.00 | 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 | 3.00 | JAVA0115 Incorrect javadoc: no @throws or @exception tag for 'exception' | |
| JAVA0116 | 7.00 | JAVA0116 Missing javadoc: field 'field' | |
| JAVA0117 | 0.00 | 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 | 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 | 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 | 1.00 | JAVA0270 Use Java 5.0 enhanced for loop construct to iterate over all elements in an array | |
| JAVA0271 | 0.00 | JAVA0271 Minimize use of on-demand (.*) static imports | |
| JAVA0272 | 0.00 | JAVA0272 Thread.run() called | |
| JAVA0273 | 0.00 | JAVA0273 Non-final derivative of Thread calls start() in constructor | |
| JAVA0274 | 0.00 | JAVA0274 Serializable class has a synchronized readObject() | |
| JAVA0275 | 0.00 | JAVA0275 Serializable class has a synchronized writeObject() and no other synchronized methods | |
| JAVA0276 | 0.00 | JAVA0276 Unnecessary use of String constructor | |
| JAVA0277 | 0.00 | JAVA0277 Iterator.next() implementation does not throw NoSuchElementException | |
| JAVA0278 | 0.00 | JAVA0278 Unnecessary use of Boolean constructor | |
| JAVA0279 | 0.00 | JAVA0279 Serialization method readObject or readObjectNoData calls an overridable method | |
| JAVA0280 | 0.00 | JAVA0280 IllegalMonitorStateException caught | |
| JAVA0281 | 0.00 | JAVA0281 Iterator.next() not called in loop | |
| JAVA0282 | 0.00 | JAVA0282 Call to Iterator.next() in loop which does not test Iterator.hasNext() | |
| JAVA0283 | 0.00 | JAVA0283 Control variable not updated in loop body | |
| JAVA0284 | 0.00 | JAVA0284 Explicit garbage collection | |
| JAVA0285 | 0.00 | JAVA0285 Dereference of potentially null variable | |
| JAVA0286 | 0.00 | JAVA0286 Dereference of null variable | |
| JAVA0287 | 0.00 | JAVA0287 Unnecessary null check | |
| JAVA0288 | 0.00 | JAVA0288 Inconsistent null check | |
| LINES | 496.00 | Number of lines in the source file | |
| LINE_COMMENT | 65.00 | Number of line comments | |
| LOC | 181.00 | Lines of code | |
| LOGICAL_LINES | 93.00 | Number of statements | |
| LOOPS | 1.00 | Number of loops | |
| NEST_DEPTH | 4.00 | Maximum nesting depth | |
| OPERANDS | 370.00 | Number of operands | |
| OPERATORS | 757.00 | Number of operators | |
| PARAMS | 8.00 | Number of formal parameter declarations | |
| PROGRAM_LENGTH | 1127.00 | Halstead program length | |
| PROGRAM_VOCAB | 172.00 | Halstead program vocabulary | |
| PROGRAM_VOLUME | 0.00 | Halstead program volume | |
| RETURNS | 33.00 | Number of return points from functions | |
| SIZE | 19210.00 | Size of the file in bytes | |
| UNIQUE_OPERANDS | 122.00 | Number of unique operands | |
| UNIQUE_OPERATORS | 50.00 | Number of unique operators | |
| WHITESPACE | 47.00 | Number of whitespace lines | |