VorbisInfo.java
| Index Score | ||
|---|---|---|
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org.xnap.plugin.viewer.vorbisviewer |
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XNap 3 |
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 | |
|---|---|---|
| JAVA0076 | JAVA0076 Use of magic number |  |
| JAVA0034 | JAVA0034 Missing braces in if statement | |
| EXEC_COMMENTS | Comments in executable code | |
| JAVA0267 | JAVA0267 Use of System.err | |
| JAVA0130 | JAVA0130 Non-static method does not use instance fields | |
| LOOPS | Number of loops | |
| JAVA0035 | JAVA0035 Missing braces in for statement | |
| LINE_COMMENT | Number of line comments | |
| JAVA0254 | JAVA0254 Use enhanced for loop construct instead of Iterator | |
| JAVA0270 | JAVA0270 Use Java 5.0 enhanced for loop construct to iterate over all elements in an array | |
| LOGICAL_LINES | Number of statements | |
| UNIQUE_OPERATORS | Number of unique operators | |
| JAVA0117 | JAVA0117 Missing javadoc: method 'method' | |
| JAVA0115 | JAVA0115 Incorrect javadoc: no @throws or @exception tag for 'exception' | |
| PROGRAM_VOLUME | Halstead program volume | |
| JAVA0174 | JAVA0174 Assigned local variable never used | |
| JAVA0126 | JAVA0126 Method declares unchecked exception in throws | |
| JAVA0030 | JAVA0030 Private field not used | |
| RETURNS | Number of return points from functions | |
| JAVA0100 | JAVA0100 Class contains N non-final fields (maximum: M) | |
| JAVA0108 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| PROGRAM_LENGTH | Halstead program length | |
| OPERATORS | Number of operators | |
| OPERANDS | Number of operands | |
| PARAMS | Number of formal parameter declarations | |
| JAVA0145 | JAVA0145 Tab character used in source file | |
package org.xnap.plugin.viewer.vorbisviewer;
import java.io.BufferedInputStream;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Arrays;
import java.util.Hashtable;
import java.util.Iterator;
import java.util.Set;
import java.util.Vector;
/**
*
* A utility for reading information and comments from the header
* packets of an Ogg Vorbis stream.
*
* <tt>
* <p>
* Copyright (C) 2001 Matthew Elder
* </p>
* <p>
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
* </p>
* <p>
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Library General Public License for more details.
* </p>
* <p>
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307, USA.
* </p>
* </tt>
*
* @author Matthew M. Elder
* @version 0.1
*
*/
public class VorbisInfo {
// stuff from info header
private int channels;
private long rate=0;
private long bitrate_upper;
private long bitrate_nominal;
private long bitrate_lower;
// stuff from comment header
String vendor;
int comments=0;
Hashtable comment;
// for doing checksum
private long[] crc_lookup = new long[256];
private int crc_ready=0;
// for reading data
private byte[] header;
private byte[] packet;
/**
* Initializes Ogg Vorbis information based on the header from a stream.
* @param s an Ogg Vorbis data stream
*/
public VorbisInfo(InputStream s) throws IOException {
/* initialize the crc_lookup table */
for (int i=0;i<256;i++)
crc_lookup[i]=_ogg_crc_entry(i);
fetch_header_and_packet(s);
interpret_header_packet();
fetch_header_and_packet(s);
interpret_header_packet();
}
/**
* Returns the number of channels in the bitstream.
* @return the number of channels in the bitstream.
*/
public int getChannels() {
return channels;
}
/**
* Returns the rate of the stream in Hz.
* @return the rate of the stream in Hz.
*/
public long getRate() {
return rate;
}
/**
* Returns the <em>average</em> bitrate of the stream in kbps.
* @return the <em>average</em> bitrate of the stream in kbps.
*/
public long getBitrate() {
return bitrate_nominal;
}
/**
* Returns a <code>Vector</code> containing values from the comment header.
* Vorbis comments take the form:
* <blockquote><tt>FIELD=SOME STRING VALUE.</tt></blockquote>
* Since there is no requirement for FIELD to be unique there may
* be multiple values for one field.
* <code>getComments</code> returns a <code>Vector</code> of
* <code>String</code> for all of the strings associated with
* a field.
* <br>Note: <code>field</code> is case insensitive.<br>
*
* @param field a case insensitive string for a field name in an Ogg Vorbis
* comment header
*
* @return a Vector of strings containing field values from an Ogg Vorbis
comment header
*/
public Vector getComments(String field) {
return (Vector)comment.get(field.toLowerCase());
}
/**
* Returns a <code>Set</code> of comment field names in no particular order.
* @return a <code>Set</code> of comment field names in no particular order.
*/
public Set getFields() {
return comment.keySet();
}
private void fetch_header_and_packet(InputStream s) throws IOException {
// read in the minimal packet header
byte[] head = new byte[27];
int bytes = s.read(head);
//System.err.println("\nDEBUG: bytes = "+bytes);
if(bytes < 27)
throw new IOException("Not enough bytes in header");
if(!"OggS".equals(new String(head, 0, 4)))
throw new IOException("Not a valid Ogg Vorbis file");
int headerbytes = (touint(head[26])) + 27;
//System.err.println("DEBUG: headerbytes = "+headerbytes);
// get the rest of the header
byte[] head_rest = new byte[touint(head[26])]; // :-) that's a pun
bytes += s.read(head_rest);
//System.err.println("DEBUG: bytes = "+bytes);
header = new byte[headerbytes];
Arrays.fill(header,(byte)0);
// copy the whole header into header
System.arraycopy(head,0,header,0,27);
System.arraycopy(head_rest,0,header,27,headerbytes-27);
if(bytes<headerbytes) {
String error =
"Error reading vorbis file: " +
"Not enough bytes for header + seg table";
throw new IOException(error);
}
int bodybytes = 0;
for(int i=0; i<header[26]; i++)
bodybytes += touint(header[27+i]);
//System.err.println("DEBUG: bodybytes = "+bodybytes);
packet = new byte[bodybytes];
Arrays.fill(packet,(byte)0);
bytes += s.read(packet);
//System.err.println("DEBUG: bytes = "+bytes);
if(bytes<headerbytes+bodybytes) {
String error =
"Error reading vorbis file: " +
"Not enough bytes for header + body";
throw new IOException(error);
}
byte[] oldsum = new byte[4];
System.arraycopy(header,22,oldsum,0,4); // read existing checksum
Arrays.fill(header, 22, 22+4, (byte)0); // clear for calculation of checksum
byte[] newsum = checksum();
if(!(new String(oldsum)).equals(new String(newsum)) ) {
System.err.println("checksum failed");
System.err.println("old checksum: " +
oldsum[0]+"|"+oldsum[1]+"|"+oldsum[2]+"|"+oldsum[3]);
System.err.println("new checksum: " +
newsum[0]+"|"+newsum[1]+"|"+newsum[2]+"|"+newsum[3]);
}
}
private void interpret_header_packet() throws IOException {
byte packet_type = packet[0];
switch(packet_type) {
case 1:
//System.err.println("DEBUG: got header packet");
if(rate != 0)
throw new IOException("Invalid vorbis file: info already fetched");
fetch_info_info();
break;
case 3:
//System.err.println("DEBUG: got comment packet");
if(rate == 0)
throw new IOException("Invalid vorbis file: header not complete");
fetch_comment_info();
break;
case 5:
throw new IOException("Invalid vorbis file: header not complete");
default:
throw new IOException("Invalid vorbis file: bad packet header");
}
}
/**
* pull the fields from the info header
*/
private void fetch_info_info() throws IOException {
// keep track of location in packet
int dataptr=1; // should have already read packet[0] for packet type
String str = new String(packet,dataptr,6);
dataptr += 6;
if(!"vorbis".equals(str))
throw new IOException("Not a vorbis header");
dataptr += 4; // skip version (4 bytes)
channels = packet[dataptr++]; // 1 byte
rate = toulong(read32(packet, dataptr));
dataptr += 4; // just read 4 bytes
bitrate_upper = toulong(read32(packet, dataptr));
dataptr += 4; // just read 4 bytes
bitrate_nominal = toulong(read32(packet, dataptr));
dataptr += 4; // just read 4 bytes
bitrate_lower = toulong(read32(packet, dataptr));
dataptr += 4; // just read 4 bytes
dataptr++; // skip block sizes (4 bits each for a total of 1 byte)
byte eop = packet[dataptr++];
if(eop!=1) throw new IOException("End of packet expected but not found");
}
private void fetch_comment_info() throws IOException {
int dataptr=1;
String str = new String(packet,dataptr,6);
dataptr += 6;
if(!"vorbis".equals(str))
throw new IOException("Not a vorbis header");
comment = new Hashtable();
long len = toulong(read32(packet,dataptr));
//System.err.println("DEBUG: vendor string length = "+len);
dataptr += 4;
/*
* FIXME: Casting len to int here means possible loss of data.
* I don't know who would have a comment header big
* enough to cause this, but the spec says this is
* an unsigned 32 bit int.
* Damn java for not having unsigned ints (or it should
* at least allow the use of 64 bit longs more frequently)
* If I get a chance i'll write a wrapper for this(maybe).
*/
vendor = new String(packet,dataptr,(int)len);
dataptr += len;
// FIXME: similar problem to the vendor string length above
comments = (int)toulong(read32(packet,dataptr));
dataptr += 4;
for(int i=0; i<comments; i++) {
// read comment
len = toulong(read32(packet,dataptr));
dataptr += 4;
// FIXME: same problem as vendor string
String cmnt = new String(packet,dataptr,(int)len);
dataptr += len;
// parse and store
String name = cmnt.substring(0,cmnt.indexOf('='));
String value = cmnt.substring(cmnt.indexOf('=')+1);
if(comment.containsKey(name)) {
Vector tmp = (Vector)comment.get(name.toLowerCase());
tmp.add(value);
} else {
Vector tmp = new Vector();
tmp.add(value);
comment.put(name.toLowerCase(),tmp);
}
}
}
private int read32 (byte[] data, int ptr) {
int val = 0;
val = ( touint(data[ptr]) & 0x000000ff);
val |= ((touint(data[ptr+1]) << 8) & 0x0000ff00);
val |= ((touint(data[ptr+2]) << 16) & 0x00ff0000);
val |= ((touint(data[ptr+3]) << 24) & 0xff000000);
return val;
}
private byte[] checksum() {
long crc_reg=0;
for(int i=0;i<header.length;i++) {
int tmp = (int)(((crc_reg >>> 24)&0xff) ^ touint(header[i]));
crc_reg=(crc_reg<<8)^crc_lookup[tmp];
crc_reg &= 0xffffffff;
}
for(int i=0;i<packet.length;i++) {
int tmp = (int)(((crc_reg >>> 24)&0xff) ^ touint(packet[i]));
crc_reg=(crc_reg<<8)^crc_lookup[tmp];
crc_reg &= 0xffffffff;
}
byte[] sum = new byte[4];
sum[0]=(byte)(crc_reg & 0xffL);
sum[1]=(byte)((crc_reg>>>8) & 0xffL);
sum[2]=(byte)((crc_reg>>>16) & 0xffL);
sum[3]=(byte)((crc_reg>>>24) & 0xffL);
return sum;
}
private long _ogg_crc_entry(long index){
long r;
r = index << 24;
for (int i=0; i<8; i++) {
if ((r & 0x80000000L) != 0) {
r = (r << 1) ^ 0x04c11db7L;
} else {
r<<=1;
}
}
return (r & 0xffffffff);
}
private long toulong(int n) {
return (n & 0xffffffffL);
}
private int touint(byte n) {
return (n & 0xff);
}
/**
* Prints out the information from an Ogg Vorbis stream in a
* nice, humanly-readable format.
*/
public String toString() {
String str = "";
str += channels+" channels at "+rate+"Hz\n";
str += bitrate_nominal/1000+"kbps (average bitrate)\n";
Iterator fields = comment.keySet().iterator();
while(fields.hasNext()) {
String name = (String)fields.next();
Vector values = (Vector)comment.get(name);
Iterator vi = values.iterator();
str += name+"=";
boolean dumb=false;
while(vi.hasNext()) {
if(dumb) str += ", ";
str += vi.next();
dumb=true;
}
str+="\n";
}
return str;
}
//tester main
static void main(String[] args) throws Exception {
if(args.length!=1) {
System.err.println("usage:\tjava VorbisInfo <ogg vorbis file>");
System.exit(1);
}
BufferedInputStream b =
new BufferedInputStream(new FileInputStream(args[0]));
VorbisInfo vi = new VorbisInfo(b);
System.out.println("\n"+vi);
b.close();
}
}
The table below shows all metrics for VorbisInfo.java.
| Metric | Value | Description | |
|---|---|---|---|
| BLOCKS | 31.00 | Number of blocks | |
| BLOCK_COMMENT | 10.00 | Number of block comment lines | |
| COMMENTS | 108.00 | Comment lines | |
| COMMENT_DENSITY | 0.53 | Comment density | |
| COMPARISONS | 29.00 | Number of comparison operators | |
| CYCLOMATIC | 43.00 | Cyclomatic complexity | |
| DECL_COMMENTS | 14.00 | Comments in declarations | |
| DOC_COMMENT | 77.00 | Number of javadoc comment lines | |
| ELOC | 205.00 | Effective lines of code | |
| EXEC_COMMENTS | 18.00 | Comments in executable code | |
| EXITS | 30.00 | Procedure exits | |
| FUNCTIONS | 17.00 | Number of function declarations | |
| HALSTEAD_DIFFICULTY | 1.05 | Halstead difficulty | |
| HALSTEAD_EFFORT | 0.00 | Halstead effort | |
| INTERFACE_COMPLEXITY | 47.00 | Interface complexity | |
| JAVA0001 | 0.00 | JAVA0001 Package name does not contain only lower case letters | |
| JAVA0002 | 0.00 | JAVA0002 Package name does not begin with a top level domain name or country code | |
| JAVA0003 | 0.00 | JAVA0003 Minimize use of on-demand (.*) imports | |
| JAVA0004 | 0.00 | JAVA0004 Unnecessary import from java.lang | |
| JAVA0005 | 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 non-protected constructor | |
| JAVA0017 | 0.00 | JAVA0017 Class name does not have required form | |
| JAVA0018 | 1.00 | 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 | 8.00 | JAVA0034 Missing braces in if statement | |
| JAVA0035 | 2.00 | 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 | 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 | 49.00 | 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 | 1.00 | 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 | 0.00 | JAVA0114 Incorrect javadoc: no @version tag | |
| JAVA0115 | 2.00 | JAVA0115 Incorrect javadoc: no @throws or @exception tag for 'exception' | |
| JAVA0116 | 0.00 | 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 | 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 | 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 | 1.00 | 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 | 1.00 | 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 | 1.00 | JAVA0266 Use of System.out | |
| JAVA0267 | 4.00 | JAVA0267 Use of System.err | |
| JAVA0269 | 0.00 | JAVA0269 Contents of StringBuffer never used | |
| JAVA0270 | 2.00 | 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 | |
| JAVA0289 | 1.00 | null | |
| LINES | 410.00 | Number of lines in the source file | |
| LINE_COMMENT | 21.00 | Number of line comments | |
| LOC | 236.00 | Lines of code | |
| LOGICAL_LINES | 165.00 | Number of statements | |
| LOOPS | 8.00 | Number of loops | |
| NEST_DEPTH | 3.00 | Maximum nesting depth | |
| OPERANDS | 633.00 | Number of operands | |
| OPERATORS | 1184.00 | Number of operators | |
| PARAMS | 9.00 | Number of formal parameter declarations | |
| PROGRAM_LENGTH | 1817.00 | Halstead program length | |
| PROGRAM_VOCAB | 229.00 | Halstead program vocabulary | |
| PROGRAM_VOLUME | 0.00 | Halstead program volume | |
| RETURNS | 38.00 | Number of return points from functions | |
| SIZE | 11830.00 | Size of the file in bytes | |
| UNIQUE_OPERANDS | 177.00 | Number of unique operands | |
| UNIQUE_OPERATORS | 52.00 | Number of unique operators | |
| WHITESPACE | 66.00 | Number of whitespace lines | |