DimeRecord.java
| Index Score | ||
|---|---|---|
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com.onionnetworks.dime |
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Phex |
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 | |
| RETURNS | Number of return points from functions | |
| JAVA0076 | JAVA0076 Use of magic number | |
| JAVA0260 | JAVA0260 Use 'enum' instead of Enumerated Type pattern | |
| JAVA0034 | JAVA0034 Missing braces in if statement | |
| INTERFACE_COMPLEXITY | Interface complexity | |
| JAVA0116 | JAVA0116 Missing javadoc: field 'field' | |
| JAVA0143 | JAVA0143 Synchronized method | |
| JAVA0117 | JAVA0117 Missing javadoc: method 'method' | |
| JAVA0032 | JAVA0032 Switch statement missing default | |
| DECL_COMMENTS | Comments in declarations | |
| UNIQUE_OPERATORS | Number of unique operators | |
| JAVA0109 | JAVA0109 Incorrect javadoc: no parameter 'parameter' | |
| JAVA0108 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| JAVA0177 | JAVA0177 Variable declaration missing initializer | |
| LINES | Number of lines in the source file | |
| LOC | Lines of code | |
| PROGRAM_VOLUME | Halstead program volume | |
| CYCLOMATIC | Cyclomatic complexity | |
| SIZE | Size of the file in bytes | |
| JAVA0126 | JAVA0126 Method declares unchecked exception in throws | |
| JAVA0110 | JAVA0110 Incorrect javadoc: no @return tag | |
| JAVA0264 | JAVA0264 Integer math in long context - check for overflow | |
| LOGICAL_LINES | Number of statements | |
| JAVA0171 | JAVA0171 Unused local variable | |
| JAVA0067 | JAVA0067 Array descriptor on identifier name | |
| FUNCTIONS | Number of function declarations | |
| EXITS | Procedure exits | |
| JAVA0130 | JAVA0130 Non-static method does not use instance fields | |
| OPERATORS | Number of operators | |
| JAVA0145 | JAVA0145 Tab character used in source file | |
//Dime 1.0.3 2003-03-05 http://www.onionnetworks/developers
// modified version to fit for Phex!
package com.onionnetworks.dime;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import phex.utils.IOUtil;
/**
* Represents a version 1 chunked or non-chunked DIME record. The DIME
* specification can be found at:
* http://search.ietf.org/internet-drafts/draft-nielsen-dime-02.txt .
* <p>
* The non-chunked records can exceed the DIME specification's maximum payload
* size of 2^32-1 bytes and will be chunked upon transmission.
*
* @author Ry4an (ry4an@onionnetworks.com)
*/
public class DimeRecord
{
// It makes me sad that the spec allows payloads too large to fit into
// a Java byte array
public static final long MAX_MAX_PAYLOAD_SIZE = 4294967295L; // 2^32-1
// this is the biggest size that will fit into a byte array
public static final int DEFAULT_MAX_PAYLOAD_SIZE = Integer.MAX_VALUE;
/** Only DIME version 1 is parsed (or in existance) */
public static final int VERSION = 1;
// first octets
private static final int VERSION_MASK = 0xF8;
private static final int VERSION_SHIFT = 3;
private static final int MB_MASK = 0x04;
private static final int ME_MASK = 0x02;
private static final int CF_MASK = 0x01;
// second octet
private static final int TYPE_T_MASK = 0xf0;
private static final int TYPE_T_SHIFT = 4;
private static final int RESERVED_MASK = 0x0f;
private TypeNameFormat tnf;
private byte[] id;
private byte[] type;
private boolean first; // true if this is the first record in a message
private boolean last; // true if this is the last record in a message
private byte[] data;
/**
* Convert data from a byte array into a DimeRecord.
*
* @param buf the byte array to be used as payload
* @param t the type name format indicating the type of the format string
* @param tn the type name of a format indicated by the TypeNameFormat
* @param id The optional ID for this DimeRecord.
*/
public DimeRecord( byte[] data, TypeNameFormat t, String tn, String i )
{
tnf = t;
type = tn.getBytes();
if ( i != null )
{
id = i.getBytes();
}
else
{
id = IOUtil.EMPTY_BYTE_ARRAY;
}
this.data = data;
}
/**
* Creates a new DimeRecord from the provided InputStream. The stream
* is not closed and is not read past the length of the first available
* DIME record.
*
* @param is the stream to extract the DIME record from
* @return the newly createed DimeRecord
* @throws IOException on failure to read
*/
protected static DimeRecord extract( InputStream is ) throws IOException
{
int octet1, octet2;
// first octet
if ( (octet1 = is.read()) == -1 )
{
throw new IOException( "Unexpected end of stream" );
}
//System.out.println("octet1 = " + bytes(octet1));
boolean last = ((octet1 & ME_MASK) != 0);
boolean continued = ((octet1 & CF_MASK) != 0);
if ( continued )
{
throw new IOException( "Continued Dime record not supported.");
}
boolean first = ((octet1 & MB_MASK) != 0);
int version = (octet1 & VERSION_MASK) >>> VERSION_SHIFT;
//System.out.println("version=" + version);
if ( version != VERSION )
{
throw new IOException( "Unparsable Version: " + version );
}
// second octet
if ( (octet2 = is.read()) == -1 )
{
throw new IOException( "Unexpected end of stream" );
}
//System.out.println("octet2 = " + bytes(octet2));
TypeNameFormat tnf = TypeNameFormat
.get( (octet2 & TYPE_T_MASK) >>> (TYPE_T_SHIFT) );
if ( (octet2 & RESERVED_MASK) != 0 )
{
throw new IOException( "Reserved header space must be all zero" );
}
// octets 3 & 4 (options_length)
int optLen = readUnsignedShort( is );
// octets 5 & 6 (id length)
int idLen = readUnsignedShort( is );
//System.out.println("Id length=" + idLen);
// octets 7 & 8 (type length)
int typeLen = readUnsignedShort( is );
//System.out.println("Type length=" + typeLen);
// octets 9, 10, 11, & 12 (data length)
long payloadLength = readUnsignedInt( is );
if ( payloadLength > Integer.MAX_VALUE )
{
throw new IOException( "Dime payload too large.");
}
// get opt
byte[] opt = parseField( is, optLen );
// get id
byte[] id = parseField( is, idLen );
// get type
byte[] type = parseField( is, typeLen );
// get data
byte[] data = parseField( is, (int)payloadLength );
DimeRecord dr = new DimeRecord( data, tnf, new String(
type ), new String( id ) );
dr.last = last;
dr.first = first;
return dr;
}
private static byte[] parseField( InputStream stream, int len )
throws IOException
{
byte[] field = new byte[ len ];
int pos = 0;
while ( pos < field.length )
{
int i = stream.read( field, pos, len - pos );
if ( i == -1 )
{
throw new IOException( "Unexpected end of stream" );
}
pos += i;
}
// skip id padding
byte[] pad = new byte[(4 - (len % 4)) % 4];
pos = 0;
while ( pos < pad.length )
{
int i = stream.read( pad, pos, pad.length - pos );
if ( i == -1 )
{
throw new IOException( "Unexpected end of stream" );
}
pos += i;
}
return field;
}
/**
* The full DIME record with correct headers is sent through the provided
* OutputStream. This method can only be called once and may not be called
* if <code>getPayload</code> has been called. If this DimeRecord's
* payload exceeds the provided maximum length then multiple concatenated
* DIME records will be produced on the stream.
*
* @param os the stream down which to send the DIME records
* @param length the maximum payload length per record. Cannot exceede
* MAX_MAX_PAYLOAD_SIZE
* @param begin set to true if this is the first record in a message
* @param end set to true if this is the last record in a message
* @throws IOException on failure to read or write
*/
protected synchronized void produce( OutputStream os, long length,
boolean begin, boolean end ) throws IOException
{
//System.out.println("prod:os, " + length + ", " + begin + ", " + end);
if ( data == null )
{
throw new IllegalStateException(
"produce or getPayload already called" );
}
if ( length > MAX_MAX_PAYLOAD_SIZE )
{
throw new IllegalArgumentException(
"payload size cannot be bigger than "
+ DimeRecord.MAX_MAX_PAYLOAD_SIZE );
}
long remaining = data.length;
byte[] myId = id;
byte[] myType = type;
TypeNameFormat myTnf = tnf;
//System.out.println("myId.len = " + myId.length);
//System.out.println("myType.len = " + myType.length);
while ( remaining > 0 )
{
//System.out.println("Remaining = " + remaining);
int header = VERSION;
header <<= VERSION_SHIFT;
if ( begin )
{ // first in message
//System.out.println("begin set");
header |= MB_MASK;
begin = false;
}
if ( end && (remaining <= length) )
{ // last of chunk too
header |= ME_MASK;
//System.out.println("end set");
}
if ( remaining > length )
{ // first or middle in a chunk
header |= CF_MASK;
//System.out.println("chunk set");
}
header <<= TYPE_T_SHIFT;
header |= myTnf.toInt();
header <<= 4;
// set reserved here
header <<= 16;
// TODO set options length here
os.write( getBytes( header ) ); // first 4 bytes
header = 0;
header |= myId.length;
header <<= 16;
header |= myType.length;
os.write( getBytes( header ) ); // second 4 bytes
// data length
long chunkLen = Math.min( length, remaining );
os.write( getBytes( (int) (0xffffffffL & chunkLen) ) );
// TODO write options here
// id (emptied if not first chunk)
os.write( myId );
os.write( getPad( myId.length ) );
// type (emptied if not first chunk)
os.write( myType );
os.write( getPad( myType.length ) );
// clear them for subsequent chunks
myId = myType = IOUtil.EMPTY_BYTE_ARRAY;
myTnf = TypeNameFormat.UNCHANGED;
// data
os.write( data, 0, data.length );
os.write( getPad( chunkLen ) );
remaining -= length;
}
os.flush();
}
private static int readUnsignedShort( InputStream in ) throws IOException
{
int i1 = in.read();
int i2 = in.read();
if ( i1 == -1 || i2 == -1 )
{
throw new IOException( "unexpected end of stream" );
}
return (i1 << 8) + i2;
}
private static long readUnsignedInt( InputStream in ) throws IOException
{
int i1 = in.read();
int i2 = in.read();
int i3 = in.read();
int i4 = in.read();
if ( i1 == -1 || i2 == -1 || i3 == -1 || i4 == -1 )
{
throw new IOException( "unexpected end of stream" );
}
return (i1 << 24) | (i2 << 16) | (i3 << 8) | i4;
}
/**
* @param the number of bytes already written
* @return an array of zero bytes which makes total size % 4 == 0
*/
private byte[] getPad( long size )
{
byte[] retval = new byte[(4 - (int) (size % 4)) % 4];
return retval;
}
/**
* Get the payload from this Record.
*
* @return a byte array contaiing the record payload
*/
public synchronized byte[] getData()
{
return data;
}
/**
* @return unique id of this record. May be null.
*/
public String getId()
{
return id == null ? null : (id.length == 0 ? null : new String( id ));
}
/**
* @return type string of this record
*/
public String getType()
{
return (type.length == 0 ? null : new String( type ));
}
/**
* @return tells how to interpret results of getType
*/
public TypeNameFormat getTypeNameFormat()
{
return tnf;
}
/**
* @return true if this is the last record in a message
*/
public boolean isLast()
{
return last;
}
/**
* Thanks to John Russel for finding a bug in this method.
* @return true if this is the first record in a message
*/
public boolean isFirst()
{
return first;
}
/**
* @return info about the DimeRecord for debugging purposes
*/
public String toString()
{
return "DimeRecord(id='" + new String( id ) + "', tnf='" + tnf
+ "', type='" + new String( type ) + "', length=" + data.length
+ ", first=" + first + ", last=" + last + ")";
}
public static final byte[] getBytes( int i )
{
byte b[] = new byte[4];
b[0] = (byte) (i >>> 24 & 255);
b[1] = (byte) (i >>> 16 & 255);
b[2] = (byte) (i >>> 8 & 255);
b[3] = (byte) (i & 255);
return b;
}
/**
* Represents the format of the data found in the type field. Since there
* will never exist more than the 5 static instances created here, one can
* get away with using reference equality instead of .equals.
*/
public static class TypeNameFormat
{
public static final TypeNameFormat UNCHANGED = new TypeNameFormat( 0 );
public static final TypeNameFormat MEDIA_TYPE = new TypeNameFormat( 1 );
public static final TypeNameFormat URI = new TypeNameFormat( 2 );
public static final TypeNameFormat UNKNOWN = new TypeNameFormat( 3 );
public static final TypeNameFormat NONE = new TypeNameFormat( 4 );
private int val;
private TypeNameFormat( int i )
{
val = i;
}
public int toInt()
{
return val;
}
public static TypeNameFormat get( int v )
{
switch ( v )
{
case 0:
return UNCHANGED;
case 1:
return MEDIA_TYPE;
case 2:
return URI;
case 3:
return UNKNOWN;
case 4:
return NONE;
}
throw new IllegalArgumentException( "unrecognized value: " + v );
}
public boolean equals( Object o )
{
return (o instanceof TypeNameFormat)
&& (((TypeNameFormat) o).val == val);
}
public int hashCode()
{
return toInt();
}
public boolean isUnchanged()
{
return (val == 0);
}
public boolean isMediaType()
{
return (val == 1);
}
public boolean isUri()
{
return (val == 2);
}
public boolean isUnknown()
{
return (val == 3);
}
public boolean isNone()
{
return (val == 4);
}
/**
* For debugging use only
* @return String representation of TNF value
*/
public String toString()
{
switch ( val )
{
case 0:
return "unchanged";
case 1:
return "media_type";
case 2:
return "uri";
case 3:
return "unknown";
case 4:
return "none";
}
throw new IllegalStateException( "Unknown value" );
}
}
}
The table below shows all metrics for DimeRecord.java.
| Metric | Value | Description | |
|---|---|---|---|
| BLOCKS | 46.00 | Number of blocks | |
| BLOCK_COMMENT | 0.00 | Number of block comment lines | |
| COMMENTS | 117.00 | Comment lines | |
| COMMENT_DENSITY | 0.53 | Comment density | |
| COMPARISONS | 33.00 | Number of comparison operators | |
| CYCLOMATIC | 64.00 | Cyclomatic complexity | |
| DECL_COMMENTS | 21.00 | Comments in declarations | |
| DOC_COMMENT | 79.00 | Number of javadoc comment lines | |
| ELOC | 221.00 | Effective lines of code | |
| EXEC_COMMENTS | 30.00 | Comments in executable code | |
| EXITS | 14.00 | Procedure exits | |
| FUNCTIONS | 26.00 | Number of function declarations | |
| HALSTEAD_DIFFICULTY | 92.71 | Halstead difficulty | |
| HALSTEAD_EFFORT | 0.00 | Halstead effort | |
| INTERFACE_COMPLEXITY | 94.00 | Interface complexity | |
| JAVA0001 | 0.00 | JAVA0001 Package name does not contain only lower case letters | |
| JAVA0002 | 0.00 | JAVA0002 Package name does not begin with a top level domain name or country code | |
| JAVA0003 | 0.00 | JAVA0003 Minimize use of on-demand (.*) imports | |
| JAVA0004 | 0.00 | JAVA0004 Unnecessary import from java.lang | |
| JAVA0005 | 0.00 | JAVA0005 Imports not in specified order | |
| JAVA0006 | 0.00 | JAVA0006 Empty finally block | |
| JAVA0007 | 0.00 | JAVA0007 Should not declare public field | |
| JAVA0008 | 0.00 | JAVA0008 Empty catch block | |
| JAVA0009 | 0.00 | JAVA0009 Protected member in final class | |
| JAVA0010 | 0.00 | JAVA0010 Non-instantiable class does not contain a non-private static member | |
| JAVA0011 | 0.00 | JAVA0011 Abstract class does not contain an abstract method | |
| JAVA0012 | 0.00 | JAVA0012 Non-constructor method with same name as declaring class | |
| JAVA0013 | 0.00 | JAVA0013 Non-blank final field is not static | |
| JAVA0014 | 0.00 | JAVA0014 Class with only static members has non-private constructor | |
| JAVA0015 | 0.00 | JAVA0015 Package class contains public nested type | |
| JAVA0016 | 0.00 | JAVA0016 Abstract class contains public constructor | |
| JAVA0017 | 0.00 | JAVA0017 Class name does not have required form | |
| JAVA0018 | 0.00 | JAVA0018 Method name does not have required form | |
| JAVA0019 | 0.00 | JAVA0019 Interface name does not have required form | |
| JAVA0020 | 0.00 | JAVA0020 Field name does not have required form | |
| JAVA0021 | 0.00 | JAVA0021 Interface method name does not have required form | |
| JAVA0022 | 0.00 | JAVA0022 Static final field name does not have required form | |
| JAVA0023 | 0.00 | JAVA0023 Empty finalize method | |
| JAVA0024 | 0.00 | JAVA0024 Empty class | |
| JAVA0025 | 0.00 | JAVA0025 Method override is empty | |
| JAVA0026 | 0.00 | JAVA0026 Finalize method with parameters | |
| JAVA0029 | 0.00 | JAVA0029 Private method not used | |
| JAVA0030 | 0.00 | JAVA0030 Private field not used | |
| JAVA0031 | 0.00 | JAVA0031 Case statement not properly closed | |
| JAVA0032 | 2.00 | 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 | 1.00 | 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 | 1.00 | JAVA0067 Array descriptor on identifier name | |
| JAVA0068 | 0.00 | JAVA0068 Modifiers not declared in recommended order | |
| JAVA0071 | 0.00 | JAVA0071 Strings compared with == | |
| JAVA0073 | 0.00 | JAVA0073 Integer division in floating-point context | |
| JAVA0074 | 0.00 | JAVA0074 Use of Object.notify() | |
| JAVA0075 | 0.00 | JAVA0075 Method parameter hides field | |
| JAVA0076 | 13.00 | 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 | 3.00 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| JAVA0109 | 3.00 | JAVA0109 Incorrect javadoc: no parameter 'parameter' | |
| JAVA0110 | 0.00 | JAVA0110 Incorrect javadoc: no @return tag | |
| JAVA0111 | 0.00 | JAVA0111 Incorrect javadoc: @return tag for void method | |
| JAVA0112 | 0.00 | JAVA0112 Incorrect javadoc: no exception 'exception' in throws | |
| JAVA0113 | 0.00 | JAVA0113 Incorrect javadoc: no @author tag | |
| JAVA0114 | 1.00 | JAVA0114 Incorrect javadoc: no @version tag | |
| JAVA0115 | 0.00 | JAVA0115 Incorrect javadoc: no @throws or @exception tag for 'exception' | |
| JAVA0116 | 7.00 | JAVA0116 Missing javadoc: field 'field' | |
| JAVA0117 | 8.00 | 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 | 1.00 | 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 | 2.00 | JAVA0143 Synchronized method | |
| JAVA0144 | 0.00 | JAVA0144 Line exceeds maximum M characters | |
| JAVA0145 | 6.00 | 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 | 1.00 | 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 | 2.00 | 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 | 0.00 | JAVA0254 Use enhanced for loop construct instead of Iterator | |
| JAVA0255 | 0.00 | JAVA0255 Result of method invocation not used | |
| JAVA0256 | 1.00 | 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 | 1.00 | 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 | 1.00 | 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 | 521.00 | Number of lines in the source file | |
| LINE_COMMENT | 38.00 | Number of line comments | |
| LOC | 318.00 | Lines of code | |
| LOGICAL_LINES | 148.00 | Number of statements | |
| LOOPS | 3.00 | Number of loops | |
| NEST_DEPTH | 3.00 | Maximum nesting depth | |
| OPERANDS | 553.00 | Number of operands | |
| OPERATORS | 1194.00 | Number of operators | |
| PARAMS | 18.00 | Number of formal parameter declarations | |
| PROGRAM_LENGTH | 1747.00 | Halstead program length | |
| PROGRAM_VOCAB | 227.00 | Halstead program vocabulary | |
| PROGRAM_VOLUME | 0.00 | Halstead program volume | |
| RETURNS | 76.00 | Number of return points from functions | |
| SIZE | 14701.00 | Size of the file in bytes | |
| UNIQUE_OPERANDS | 170.00 | Number of unique operands | |
| UNIQUE_OPERATORS | 57.00 | Number of unique operators | |
| WHITESPACE | 86.00 | Number of whitespace lines | |