Parse.java
| Index Score | ||
|---|---|---|
 |
 |
org.codehaus.groovy.grails.web.pages |
 |
 |
Grails |
View: Reasons, Metrics, Source Code
These are the metrics that contribute to the Enerjy Score for this file, ranked by impact. So the metrics listed at the top influence the score to a greater extent that the metrics listed at the bottom.
| Metric | Description | |
|---|---|---|
| JAVA0034 | JAVA0034 Missing braces in if statement |  |
| CYCLOMATIC | Cyclomatic complexity | |
| COMPARISONS | Number of comparison operators | |
| LOOPS | Number of loops | |
| LOGICAL_LINES | Number of statements | |
| EXITS | Procedure exits | |
| JAVA0119 | JAVA0119 Control variable changed within body of for loop | |
| OPERATORS | Number of operators | |
| PROGRAM_LENGTH | Halstead program length | |
| OPERANDS | Number of operands | |
| UNIQUE_OPERANDS | Number of unique operands | |
| ELOC | Effective lines of code | |
| PROGRAM_VOCAB | Halstead program vocabulary | |
| BLOCKS | Number of blocks | |
| LOC | Lines of code | |
| SIZE | Size of the file in bytes | |
| JAVA0123 | JAVA0123 Use all three components of for loop | |
| JAVA0144 | JAVA0144 Line exceeds maximum M characters | |
| JAVA0270 | JAVA0270 Use Java 5.0 enhanced for loop construct to iterate over all elements in an array | |
| RETURNS | Number of return points from functions | |
| LINES | Number of lines in the source file | |
| JAVA0039 | JAVA0039 Break statement with label | |
| JAVA0177 | JAVA0177 Variable declaration missing initializer | |
| JAVA0179 | JAVA0179 Local variable hides visible field | |
| UNIQUE_OPERATORS | Number of unique operators | |
| JAVA0040 | JAVA0040 Switch statement contains N cases (maximum: M) | |
| INTERFACE_COMPLEXITY | Interface complexity | |
| PROGRAM_VOLUME | Halstead program volume | |
| JAVA0136 | JAVA0136 N methods defined in class (maximum: M) | |
| JAVA0116 | JAVA0116 Missing javadoc: field 'field' | |
| JAVA0032 | JAVA0032 Switch statement missing default | |
| JAVA0126 | JAVA0126 Method declares unchecked exception in throws | |
| JAVA0110 | JAVA0110 Incorrect javadoc: no @return tag | |
| JAVA0043 | JAVA0043 Inner class does not use outer class | |
| JAVA0117 | JAVA0117 Missing javadoc: method 'method' | |
| JAVA0030 | JAVA0030 Private field not used | |
| FUNCTIONS | Number of function declarations | |
| JAVA0100 | JAVA0100 Class contains N non-final fields (maximum: M) | |
| JAVA0108 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| JAVA0254 | JAVA0254 Use enhanced for loop construct instead of Iterator | |
| DOC_COMMENT | Number of javadoc comment lines | |
| COMMENTS | Comment lines | |
| DECL_COMMENTS | Comments in declarations | |
| JAVA0130 | JAVA0130 Non-static method does not use instance fields | |
| NEST_DEPTH | Maximum nesting depth | |
| JAVA0145 | JAVA0145 Tab character used in source file | |
/*
* Copyright 2004-2005 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.codehaus.groovy.grails.web.pages;
import org.apache.commons.lang.StringUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.codehaus.groovy.grails.commons.*;
import org.codehaus.groovy.grails.web.taglib.GrailsTagRegistry;
import org.codehaus.groovy.grails.web.taglib.GroovySyntaxTag;
import org.codehaus.groovy.grails.web.taglib.exceptions.GrailsTagException;
import java.io.*;
import java.util.*;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* NOTE: Based on work done by the GSP standalone project (https://gsp.dev.java.net/)
*
* Parsing implementation for GSP files
*
* @author Troy Heninger
* @author Graeme Rocher
*
* Date: Jan 10, 2004
*
*/
public class Parse implements Tokens {
public static final Log LOG = LogFactory.getLog(Parse.class);
private static final Pattern PARA_BREAK = Pattern.compile("/p>\\s*<p[^>]*>", Pattern.CASE_INSENSITIVE);
private static final Pattern ROW_BREAK = Pattern.compile("((/td>\\s*</tr>\\s*<)?tr[^>]*>\\s*<)?td[^>]*>", Pattern.CASE_INSENSITIVE);
private static final Pattern PARSE_TAG_FIRST_PASS = Pattern.compile("(\\s*(\\S+)\\s*=\\s*[\"]([^\"]*)[\"][\\s|>]{1}){1}");
private static final Pattern PARSE_TAG_SECOND_PASS = Pattern.compile("(\\s*(\\S+)\\s*=\\s*[']([^']*)['][\\s|>]{1}){1}");
private Scan scan;
private GSPWriter out;
private String className;
private boolean finalPass = false;
private int tagIndex;
private Map tagContext;
private List tagMetaStack = new ArrayList();
private GrailsTagRegistry tagRegistry = GrailsTagRegistry.getInstance();
private boolean bufferWhiteSpace ;
private StringBuffer whiteSpaceBuffer = new StringBuffer();
private int currentOutputLine = 1;
private String contentType = DEFAULT_CONTENT_TYPE;
private boolean doNextScan = true;
private int state;
private static final String START_MULTILINE_STRING = "'''";
private static final String END_MULTILINE_STRING = "'''";
private static final String DEFAULT_CONTENT_TYPE = "text/html;charset=UTF-8";
private Map constants = new TreeMap();
private int constantCount = 0;
private final String pageName;
private static final String EMPTY_MULTILINE_STRING = "''''''";
public static final String[] DEFAULT_IMPORTS = new String[] {
"org.codehaus.groovy.grails.web.pages.GroovyPage",
"org.codehaus.groovy.grails.web.taglib.*",
"org.springframework.web.util.*",
"grails.util.GrailsUtil"
};
private static final String CONFIG_PROPERTY_DEFAULT_CODEC = "grails.views.default.codec";
private static final String CONFIG_PROPERTY_GSP_ENCODING = "grails.views.gsp.encoding";
private String codecName;
private static final String IMPORT_DIRECTIVE = "import";
private static final String CONTENT_TYPE_DIRECTIVE = "contentType";
private static final String DEFAULT_CODEC_DIRECTIVE = "defaultCodec";
private String gspEncoding;
public static final String GROOVY_SOURCE_CHAR_ENCODING = "UTF-8";
public String getContentType() {
return this.contentType;
}
public int getCurrentOutputLineNumber() {
return currentOutputLine;
}
class TagMeta {
String name;
String namespace;
Object instance;
boolean isDynamic;
boolean hasAttributes;
int lineNumber;
public String toString() {
return "<"+namespace+":"+name+">";
}
}
public Parse(String name, String filename, InputStream in) throws IOException {
Map config = ConfigurationHolder.getFlatConfig();
// Get the GSP file encoding from Config, or fall back to system file.encoding if none set
Object gspEnc = config.get(CONFIG_PROPERTY_GSP_ENCODING);
if ((gspEnc != null) && (gspEnc.toString().trim().length() > 0)) {
gspEncoding = gspEnc.toString();
} else {
gspEncoding = System.getProperty("file.encoding", "us-ascii");
}
if(LOG.isDebugEnabled()) {
LOG.debug("GSP file encoding set to: " + gspEncoding);
}
scan = new Scan(readStream(in));
this.pageName = filename;
makeName(name);
Object o = config.get(CONFIG_PROPERTY_DEFAULT_CODEC);
lookupCodec(o);
} // Parse()
private void lookupCodec(Object o) {
if(o!=null) {
String codecName = o.toString();
GrailsApplication app = ApplicationHolder.getApplication();
if(app != null) {
GrailsClass codecClass = app.getArtefactByLogicalPropertyName(CodecArtefactHandler.TYPE, codecName);
if(codecClass == null) codecClass = app.getArtefactByLogicalPropertyName(CodecArtefactHandler.TYPE, codecName.toUpperCase());
if(codecClass != null) {
this.codecName = codecClass.getFullName();
}
}
}
}
public int[] getLineNumberMatrix() {
return out.getLineNumbers();
}
public InputStream parse() {
StringWriter sw = new StringWriter();
out = new GSPWriter(sw,this);
page();
finalPass = true;
scan.reset();
page();
// This gets bytes in system's default encoding
InputStream in = null;
try {
in = new ByteArrayInputStream(sw.toString().getBytes(GROOVY_SOURCE_CHAR_ENCODING));
} catch (UnsupportedEncodingException e) {
throw new RuntimeException("Grails cannot run unless your environment supports UTF-8!");
}
//System.out.println("Compiled GSP into Groovy code: " + sw.toString());
if(LOG.isDebugEnabled()) {
LOG.debug("Compiled GSP into Groovy code: " + sw.toString());
}
scan = null;
return in;
}
private void declare(boolean gsp) {
if (finalPass) return;
if (LOG.isDebugEnabled()) LOG.debug("parse: declare");
out.println();
write(scan.getToken().trim(), gsp);
out.println();
out.println();
} // declare()
private void direct() {
if (finalPass) return;
if (LOG.isDebugEnabled()) LOG.debug("parse: direct");
String text = scan.getToken();
text = text.trim();
directPage(text);
} // direct()
private void directPage(String text) {
text = text.trim();
// LOG.debug("directPage(" + text + ')');
Pattern pat = Pattern.compile("(\\w+)\\s*=\\s*\"([^\"]*)\"");
Matcher mat = pat.matcher(text);
for (int ix = 0;;) {
if (!mat.find(ix)) return;
String name = mat.group(1);
String value = mat.group(2);
if (name.equals(IMPORT_DIRECTIVE)) pageImport(value);
if (name.equals(CONTENT_TYPE_DIRECTIVE)) contentType(value);
if (name.equals(DEFAULT_CODEC_DIRECTIVE)) lookupCodec(value);
ix = mat.end();
}
} // directPage()
private void contentType(String value) {
this.contentType = value;
}
private void scriptletExpr() {
if (!finalPass) return;
if (LOG.isDebugEnabled()) LOG.debug("parse: expr");
String text = scan.getToken().trim();
out.printlnToResponse(text);
}
private void expr() {
if (!finalPass) return;
if (LOG.isDebugEnabled()) LOG.debug("parse: expr");
String text = scan.getToken().trim();
if(codecName != null) {
out.printlnToResponse("Codec.encode("+text+")");
}
else {
out.printlnToResponse(text);
}
} // expr()
private void html() {
if (!finalPass) return;
if (LOG.isDebugEnabled()) LOG.debug("parse: html");
String text = scan.getToken();
if(Pattern.compile("\\S").matcher(text).find())
bufferWhiteSpace = false;
StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw);
String[] lines = text.split("\\n");
if(lines.length == 1 && !StringUtils.isBlank(lines[0])) {
out.printlnToResponse('\'' + escapeGroovy(lines[0]) + '\'');
}
else {
pw.print(START_MULTILINE_STRING);
boolean hasContent = false;
boolean firstLine = true;
for (int i = 0; i < lines.length; i++) {
String line = lines[i];
final String content = escapeGroovy(line);
if(!StringUtils.isEmpty(content)) {
if(!hasContent) {
hasContent = true;
break;
}
}
}
if(hasContent) {
for (int i = 0; i < lines.length; i++) {
String line = lines[i];
final String content = escapeGroovy(line);
if(firstLine) {
pw.print(content);
firstLine = false;
}
else {
pw.println();
pw.print(content);
}
}
}
pw.print(END_MULTILINE_STRING);
pw.println();
if(hasContent && !bufferWhiteSpace) {
final String constantValue = sw.toString();
final String constantName = "STATIC_HTML_CONTENT_" + constantCount++;
constants.put(constantName, constantValue);
out.printlnToResponse(constantName);
}
}
} // html()
private void makeName(String uri) {
String name;
int slash = uri.lastIndexOf('/');
if (slash > -1) {
name = uri.substring(slash + 1);
uri = uri.substring(0,(uri.length() - 1) - name.length());
while(uri.endsWith("/")) {
uri = uri.substring(0,uri.length() -1);
}
slash = uri.lastIndexOf('/');
if(slash > -1) {
name = uri.substring(slash + 1) + '_' + name;
}
}
else {
name = uri;
}
StringBuffer buf = new StringBuffer(name.length());
for (int ix = 0, ixz = name.length(); ix < ixz; ix++) {
char c = name.charAt(ix);
if (c < '0' || (c > '9' && c < '@') || (c > 'Z' && c < '_') || (c > '_' && c < 'a') || c > 'z') c = '_';
else if (ix == 0 && c >= '0' && c <= '9') c = '_';
buf.append(c);
}
className = buf.toString();
} // makeName()
private static boolean match(CharSequence pat, CharSequence text, int start) {
int ix = start, ixz = text.length(), ixy = start + pat.length();
if (ixz > ixy) ixz = ixy;
if (pat.length() > ixz - start) return false;
for (; ix < ixz; ix++) {
if (Character.toLowerCase(text.charAt(ix)) != Character.toLowerCase(pat.charAt(ix - start))) {
return false;
}
}
return true;
} // match()
private static int match(Pattern pat, CharSequence text, int start) {
Matcher mat = pat.matcher(text);
if (mat.find(start) && mat.start() == start) {
return mat.end();
}
return 0;
} // match()
private void page() {
if (LOG.isDebugEnabled()) LOG.debug("parse: page");
if (finalPass) {
out.println();
out.print("class ");
out.print(className);
out.println(" extends GroovyPage {");
out.println("public Object run() {");
}
loop: for (;;) {
if(doNextScan)
state = scan.nextToken();
else
doNextScan = true;
switch (state) {
case EOF: break loop;
case HTML: html(); break;
case JEXPR: scriptletExpr(); break;
case JSCRIPT: script(false); break;
case JDIRECT: direct(); break;
case JDECLAR: declare(false); break;
case GEXPR: expr(); break;
case GSCRIPT: script(true); break;
case GDIRECT: direct(); break;
case GDECLAR: declare(true); break;
case GSTART_TAG: startTag(); break;
case GEND_TAG: endTag(); break;
}
}
if (finalPass) {
if(!tagMetaStack.isEmpty()) {
TagMeta tag = (TagMeta)tagMetaStack.iterator().next();
throw new GrailsTagException("Grails tags were not closed! ["+tagMetaStack+"] in GSP "+pageName+"", pageName, tag.lineNumber);
}
out.println("}");
for (Iterator i = constants.keySet().iterator(); i.hasNext();) {
String name = (String) i.next();
out.println("static final " + name + " = " + constants.get(name));
}
out.println("}");
}
else {
for (int i = 0; i < DEFAULT_IMPORTS.length; i++) {
out.print("import ");
out.println(DEFAULT_IMPORTS[i]);
}
if(codecName != null) {
out.print("import ");
out.print(codecName);
out.println(" as Codec");
}
}
} // page()
private void endTag() {
if (!finalPass) return;
String tagName = scan.getToken().trim();
String ns = scan.getNamespace();
if(tagMetaStack.isEmpty())
throw new GrailsTagException("Found closing Grails tag with no opening ["+tagName+"]");
TagMeta tm = (TagMeta)tagMetaStack.remove(this.tagMetaStack.size() - 1);
String lastInStack = tm.name;
String lastNamespaceInStack = tm.namespace;
// if the tag name is blank then it has been closed by the start tag ie <tag />
if(StringUtils.isBlank(tagName))
tagName = lastInStack;
if(!lastInStack.equals(tagName) ||
!lastNamespaceInStack.equals(ns)) {
throw new GrailsTagException("Grails tag ["+lastNamespaceInStack+":"+lastInStack+"] was not closed");
}
if(GroovyPage.DEFAULT_NAMESPACE.equals(ns) && tagRegistry.isSyntaxTag(tagName)) {
if(tm.instance instanceof GroovySyntaxTag) {
GroovySyntaxTag tag = (GroovySyntaxTag)tm.instance;
if(tag.isBufferWhiteSpace())
bufferWhiteSpace = true;
tag.doEndTag();
}
else {
throw new GrailsTagException("Grails tag ["+tagName+"] was not closed");
}
}
else {
out.println("}");
if(tm.hasAttributes) {
out.println("invokeTag('"+tagName+"','"+ns+"',attrs"+tagIndex+",body"+tagIndex+")");
}
else {
out.println("invokeTag('"+tagName+"','"+ns+"',[:],body"+tagIndex+")");
}
}
tagIndex--;
}
private void startTag() {
if (!finalPass) return;
tagIndex++;
String text;
StringBuffer buf = new StringBuffer( scan.getToken().trim() );
String ns = scan.getNamespace();
state = scan.nextToken();
while(state != HTML && state != GEND_TAG && state != EOF) {
if(state == GTAG_EXPR) {
buf.append("${");
buf.append(scan.getToken().trim());
buf.append("}");
}
else {
buf.append(scan.getToken().trim());
}
state = scan.nextToken();
}
doNextScan = false;
text = buf.toString();
String tagName;
Map attrs = new TreeMap();
text = text.replaceAll("[\r\n\t]", " "); // this line added TODO query this
if(text.indexOf(' ') > -1) { // ignores carriage returns and new lines
int i = text.indexOf(' ');
tagName = text.substring(0,i);
String attrTokens = text.substring(i,text.length());
attrTokens += '>'; // closing bracket marker
// do first pass parse which retrieves double quoted attributes
Matcher m = PARSE_TAG_FIRST_PASS.matcher(attrTokens);
populateAttributesFromMatcher(m,attrs);
// do second pass parse which retrieves single quoted attributes
m = PARSE_TAG_SECOND_PASS.matcher(attrTokens);
populateAttributesFromMatcher(m,attrs);
}
else {
tagName = text;
}
if(state == EOF){
throw new GrailsTagException("Unexpected end of file encountered parsing Tag [" + tagName + "] for " + className + ". Are you missing a closing brace '}'?");
}
TagMeta tm = new TagMeta();
tm.name = tagName;
tm.namespace = ns;
tm.hasAttributes = !attrs.isEmpty();
tm.lineNumber = getCurrentOutputLineNumber();
tagMetaStack.add(tm);
if (GroovyPage.DEFAULT_NAMESPACE.equals(ns) && tagRegistry.isSyntaxTag(tagName)) {
if(this.tagContext == null) {
this.tagContext = new HashMap();
this.tagContext.put(GroovyPage.OUT,out);
}
GroovySyntaxTag tag = (GroovySyntaxTag)tagRegistry.newTag(tagName);
tag.init(tagContext);
tag.setAttributes(attrs);
if(!tag.hasPrecedingContent() && !bufferWhiteSpace) {
throw new GrailsTagException("Tag ["+tag.getName()+"] cannot have non-whitespace characters directly preceding it.");
}
else if(!tag.hasPrecedingContent() && bufferWhiteSpace) {
whiteSpaceBuffer.delete(0,whiteSpaceBuffer.length());
bufferWhiteSpace = false;
} else {
if(whiteSpaceBuffer.length() > 0) {
out.printlnToResponse(whiteSpaceBuffer.toString());
whiteSpaceBuffer.delete(0,whiteSpaceBuffer.length());
}
bufferWhiteSpace = false;
}
tag.doStartTag();
tm.instance = tag;
}
else {
if(attrs.size() > 0) {
out.print("attrs"+tagIndex+" = [");
for (Iterator i = attrs.keySet().iterator(); i.hasNext();) {
String name = (String) i.next();
out.print(name);
out.print(':');
out.print(attrs.get(name));
if(i.hasNext())
out.print(',');
else
out.println(']');
}
}
out.println("body"+tagIndex+" = new GroovyPageTagBody(this,binding.webRequest) {" );
}
}
private void populateAttributesFromMatcher(Matcher m, Map attrs) {
while(m.find()) {
String name = m.group(2);
String val = m.group(3);
name = '\"' + name + '\"';
if(val.startsWith("${") && val.endsWith("}")) {
val = val.substring(2,val.length() -1);
}
else if(!(val.startsWith("[") && val.endsWith("]"))) {
val = '\"' + val + '\"';
}
attrs.put(name,val);
}
}
private void pageImport(String value) {
// LOG.debug("pageImport(" + value + ')');
String[] imports = Pattern.compile(";").split(value.subSequence(0, value.length()));
for (int ix = 0; ix < imports.length; ix++) {
out.print("import ");
out.print(imports[ix]);
out.println();
}
} // pageImport()
private String escapeGroovy(CharSequence text) {
StringBuffer buf = new StringBuffer();
for (int ix = 0, ixz = text.length(); ix < ixz; ix++) {
char c = text.charAt(ix);
String rep = null;
if (c == '\n') {
incrementLineNumber();
rep = "\\n";
}
else if (c == '\r') rep = "\\r";
else if (c == '\t') rep = "\\t";
else if (c == '\'') rep = "\\'";
else if (c == '\\') rep = "\\\\";
if (rep != null) buf.append(rep);
else buf.append(c);
}
return buf.toString();
}
private String readStream(InputStream in) throws IOException {
ByteArrayOutputStream out = new ByteArrayOutputStream();
try {
byte[] buf = new byte[8192];
for (;;) {
int read = in.read(buf);
if (read <= 0) break;
out.write(buf, 0, read);
}
return out.toString( gspEncoding);
} finally {
out.close();
in.close();
}
} // readStream()
private void script(boolean gsp) {
if (!finalPass) return;
if (LOG.isDebugEnabled()) LOG.debug("parse: script");
out.println();
write(scan.getToken().trim(), gsp);
out.println();
out.println();
} // script()
private void write(CharSequence text, boolean gsp) {
if (!gsp) {
out.print(text);
return;
}
for (int ix = 0, ixz = text.length(); ix < ixz; ix++) {
char c = text.charAt(ix);
String rep = null;
if (Character.isWhitespace(c)) {
for (ix++; ix < ixz; ix++) {
if (Character.isWhitespace(text.charAt(ix))) continue;
ix--;
rep = " ";
break;
}
} else if (c == '&') {
if (match(";", text, ix)) {
rep = ";";
ix += 5;
} else if (match("&", text, ix)) {
rep = "&";
ix += 4;
} else if (match("<", text, ix)) {
rep = "<";
ix += 3;
} else if (match(">", text, ix)) {
rep = ">";
ix += 3;
}
} else if (c == '<') {
if (match("<br>", text, ix) || match("<hr>", text, ix)) {
rep = "\n";
incrementLineNumber();
ix += 3;
} else {
int end = match(PARA_BREAK, text, ix);
if (end <= 0) end = match(ROW_BREAK, text, ix);
if (end > 0) {
rep = "\n";
incrementLineNumber();
ix = end;
}
}
}
if (rep != null) out.print(rep);
else out.print(c);
}
} // write()
private void incrementLineNumber() {
currentOutputLine++;
}
} // Parse
The table below shows all metrics for Parse.java.
| Metric | Value | Description | |
|---|---|---|---|
| BLOCKS | 109.00 | Number of blocks | |
| BLOCK_COMMENT | 15.00 | Number of block comment lines | |
| COMMENTS | 34.00 | Comment lines | |
| COMMENT_DENSITY | 0.07 | Comment density | |
| COMPARISONS | 113.00 | Number of comparison operators | |
| CYCLOMATIC | 166.00 | Cyclomatic complexity | |
| DECL_COMMENTS | 2.00 | Comments in declarations | |
| DOC_COMMENT | 11.00 | Number of javadoc comment lines | |
| ELOC | 469.00 | Effective lines of code | |
| EXEC_COMMENTS | 8.00 | Comments in executable code | |
| EXITS | 108.00 | Procedure exits | |
| FUNCTIONS | 27.00 | Number of function declarations | |
| HALSTEAD_DIFFICULTY | 101.25 | Halstead difficulty | |
| HALSTEAD_EFFORT | 0.00 | Halstead effort | |
| INTERFACE_COMPLEXITY | 75.00 | Interface complexity | |
| JAVA0001 | 0.00 | JAVA0001 Package name does not contain only lower case letters | |
| JAVA0002 | 0.00 | JAVA0002 Package name does not begin with a top level domain name or country code | |
| JAVA0003 | 0.00 | JAVA0003 Minimize use of on-demand (.*) imports | |
| JAVA0004 | 0.00 | JAVA0004 Unnecessary import from java.lang | |
| JAVA0005 | 1.00 | JAVA0005 Imports not in specified order | |
| JAVA0006 | 0.00 | JAVA0006 Empty finally block | |
| JAVA0007 | 0.00 | JAVA0007 Should not declare public field | |
| JAVA0008 | 0.00 | JAVA0008 Empty catch block | |
| JAVA0009 | 0.00 | JAVA0009 Protected member in final class | |
| JAVA0010 | 0.00 | JAVA0010 Non-instantiable class does not contain a non-private static member | |
| JAVA0011 | 0.00 | JAVA0011 Abstract class does not contain an abstract method | |
| JAVA0012 | 0.00 | JAVA0012 Non-constructor method with same name as declaring class | |
| JAVA0013 | 0.00 | JAVA0013 Non-blank final field is not static | |
| JAVA0014 | 0.00 | JAVA0014 Class with only static members has non-private constructor | |
| JAVA0015 | 0.00 | JAVA0015 Package class contains public nested type | |
| JAVA0016 | 0.00 | JAVA0016 Abstract class contains public constructor | |
| JAVA0017 | 0.00 | JAVA0017 Class name does not have required form | |
| JAVA0018 | 0.00 | JAVA0018 Method name does not have required form | |
| JAVA0019 | 0.00 | JAVA0019 Interface name does not have required form | |
| JAVA0020 | 0.00 | JAVA0020 Field name does not have required form | |
| JAVA0021 | 0.00 | JAVA0021 Interface method name does not have required form | |
| JAVA0022 | 0.00 | JAVA0022 Static final field name does not have required form | |
| JAVA0023 | 0.00 | JAVA0023 Empty finalize method | |
| JAVA0024 | 0.00 | JAVA0024 Empty class | |
| JAVA0025 | 0.00 | JAVA0025 Method override is empty | |
| JAVA0026 | 0.00 | JAVA0026 Finalize method with parameters | |
| JAVA0029 | 0.00 | JAVA0029 Private method not used | |
| JAVA0030 | 1.00 | JAVA0030 Private field not used | |
| JAVA0031 | 0.00 | JAVA0031 Case statement not properly closed | |
| JAVA0032 | 1.00 | JAVA0032 Switch statement missing default | |
| JAVA0033 | 0.00 | JAVA0033 default: not last case in switch statement | |
| JAVA0034 | 43.00 | 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 | 1.00 | JAVA0039 Break statement with label | |
| JAVA0040 | 1.00 | JAVA0040 Switch statement contains N cases (maximum: M) | |
| JAVA0041 | 0.00 | JAVA0041 Nested synchronized block | |
| JAVA0042 | 0.00 | JAVA0042 Empty synchronized statement | |
| JAVA0043 | 1.00 | 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 | 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 | 1.00 | 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 | 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 | 3.00 | JAVA0116 Missing javadoc: field 'field' | |
| JAVA0117 | 5.00 | JAVA0117 Missing javadoc: method 'method' | |
| JAVA0118 | 0.00 | JAVA0118 Missing javadoc: type 'type' | |
| JAVA0119 | 10.00 | JAVA0119 Control variable changed within body of for loop | |
| JAVA0123 | 4.00 | 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 | 1.00 | JAVA0136 N methods defined in class (maximum: M) | |
| JAVA0137 | 1.00 | 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 | 5.00 | JAVA0144 Line exceeds maximum M characters | |
| JAVA0145 | 5.00 | 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 | 3.00 | JAVA0177 Variable declaration missing initializer | |
| JAVA0179 | 2.00 | JAVA0179 Local variable hides visible field | |
| JAVA0233 | 0.00 | JAVA0233 Definition of serialVersionUID other than 'private static final long serialVersionUID' | |
| JAVA0234 | 0.00 | JAVA0234 Class is Serializable but does not define serialVersionUID | |
| JAVA0235 | 0.00 | JAVA0235 Class defines serialVersionUID but does not implement Serializable | |
| JAVA0236 | 0.00 | JAVA0236 Attempt to clone an object which does not implement Cloneable | |
| JAVA0237 | 0.00 | JAVA0237 Class implements Cloneable but does not have public clone method | |
| JAVA0238 | 0.00 | JAVA0238 Clone method does not call super.clone() | |
| JAVA0239 | 0.00 | JAVA0239 Class declares 'readObject' or 'writeObject' but does not implement Serializable | |
| JAVA0240 | 0.00 | JAVA0240 Serializable class which declares readObject or writeObject but not both | |
| JAVA0241 | 0.00 | JAVA0241 'readObject' or 'writeObject' should be declared private in Serializable class | |
| JAVA0242 | 0.00 | JAVA0242 Transient field in non-Serializable class | |
| JAVA0243 | 0.00 | JAVA0243 'readResolve' or 'writeReplace' should be declared private or protected | |
| JAVA0244 | 0.00 | JAVA0244 Field or method name in subclass differs only by case from inherited field or method | |
| JAVA0245 | 0.00 | JAVA0245 JUnit TestCase with non-trivial constructor | |
| JAVA0246 | 0.00 | JAVA0246 JUnit assertXXX statement missing message parameter | |
| JAVA0247 | 0.00 | JAVA0247 JUnit 'setUp()' and 'tearDown()' should call super method | |
| JAVA0248 | 0.00 | JAVA0248 JUnit method 'setUp' or 'tearDown' with incorrect signature | |
| JAVA0249 | 0.00 | JAVA0249 JUnit TestCase 'suite()' should be declared static | |
| JAVA0250 | 0.00 | JAVA0250 JUnit TestCase declares testXXX method with incorrect signature | |
| JAVA0251 | 0.00 | JAVA0251 Use '%n' for line breaks in printf/format for platform independence | |
| JAVA0252 | 0.00 | JAVA0252 'enum' is a Java 1.5 reserved word | |
| JAVA0253 | 0.00 | JAVA0253 Not all enum constants consumed in switch statement | |
| JAVA0254 | 1.00 | JAVA0254 Use enhanced for loop construct instead of Iterator | |
| JAVA0255 | 0.00 | JAVA0255 Result of method invocation not used | |
| JAVA0256 | 0.00 | JAVA0256 Assignment of external collection/array to field | |
| JAVA0257 | 1.00 | JAVA0257 Use of 'Constant Interface' anti-pattern | |
| JAVA0258 | 0.00 | JAVA0258 Implement Iterable for foreach compatibility | |
| JAVA0259 | 0.00 | JAVA0259 Return of collection/array field | |
| JAVA0260 | 0.00 | JAVA0260 Use 'enum' instead of Enumerated Type pattern | |
| JAVA0261 | 0.00 | JAVA0261 Use specialized Enum collection types | |
| JAVA0262 | 0.00 | JAVA0262 Use of char in integer context | |
| JAVA0263 | 0.00 | JAVA0263 Long literal ends with 'l' instead of 'L' | |
| JAVA0264 | 0.00 | JAVA0264 Integer math in long context - check for overflow | |
| JAVA0265 | 0.00 | JAVA0265 Use of Throwable.printStackTrace() | |
| JAVA0266 | 0.00 | JAVA0266 Use of System.out | |
| JAVA0267 | 0.00 | JAVA0267 Use of System.err | |
| JAVA0269 | 0.00 | JAVA0269 Contents of StringBuffer never used | |
| JAVA0270 | 4.00 | JAVA0270 Use Java 5.0 enhanced for loop construct to iterate over all elements in an array | |
| JAVA0271 | 0.00 | JAVA0271 Minimize use of on-demand (.*) static imports | |
| JAVA0272 | 0.00 | JAVA0272 Thread.run() called | |
| JAVA0273 | 0.00 | JAVA0273 Non-final derivative of Thread calls start() in constructor | |
| JAVA0274 | 0.00 | JAVA0274 Serializable class has a synchronized readObject() | |
| JAVA0275 | 0.00 | JAVA0275 Serializable class has a synchronized writeObject() and no other synchronized methods | |
| JAVA0276 | 0.00 | JAVA0276 Unnecessary use of String constructor | |
| JAVA0277 | 0.00 | JAVA0277 Iterator.next() implementation does not throw NoSuchElementException | |
| JAVA0278 | 0.00 | JAVA0278 Unnecessary use of Boolean constructor | |
| JAVA0279 | 0.00 | JAVA0279 Serialization method readObject or readObjectNoData calls an overridable method | |
| JAVA0280 | 0.00 | JAVA0280 IllegalMonitorStateException caught | |
| JAVA0281 | 0.00 | JAVA0281 Iterator.next() not called in loop | |
| JAVA0282 | 0.00 | JAVA0282 Call to Iterator.next() in loop which does not test Iterator.hasNext() | |
| JAVA0283 | 0.00 | JAVA0283 Control variable not updated in loop body | |
| JAVA0284 | 0.00 | JAVA0284 Explicit garbage collection | |
| JAVA0285 | 0.00 | JAVA0285 Dereference of potentially null variable | |
| JAVA0286 | 0.00 | JAVA0286 Dereference of null variable | |
| JAVA0287 | 0.00 | JAVA0287 Unnecessary null check | |
| JAVA0288 | 0.00 | JAVA0288 Inconsistent null check | |
| LINES | 666.00 | Number of lines in the source file | |
| LINE_COMMENT | 8.00 | Number of line comments | |
| LOC | 556.00 | Lines of code | |
| LOGICAL_LINES | 367.00 | Number of statements | |
| LOOPS | 17.00 | Number of loops | |
| NEST_DEPTH | 5.00 | Maximum nesting depth | |
| OPERANDS | 1445.00 | Number of operands | |
| OPERATORS | 2713.00 | Number of operators | |
| PARAMS | 22.00 | Number of formal parameter declarations | |
| PROGRAM_LENGTH | 4158.00 | Halstead program length | |
| PROGRAM_VOCAB | 480.00 | Halstead program vocabulary | |
| PROGRAM_VOLUME | 0.00 | Halstead program volume | |
| RETURNS | 53.00 | Number of return points from functions | |
| SIZE | 23702.00 | Size of the file in bytes | |
| UNIQUE_OPERANDS | 421.00 | Number of unique operands | |
| UNIQUE_OPERATORS | 59.00 | Number of unique operators | |
| WHITESPACE | 76.00 | Number of whitespace lines | |