ForBean.java
| Index Score | ||
|---|---|---|
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org.apache.tapestry.components |
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Apache Tapestry 4 |
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 |  |
| LINE_COMMENT | Number of line comments | |
| DECL_COMMENTS | Comments in declarations | |
| SIZE | Size of the file in bytes | |
| EXITS | Procedure exits | |
| FUNCTIONS | Number of function declarations | |
| JAVA0020 | JAVA0020 Field name does not have required form | |
| EXEC_COMMENTS | Comments in executable code | |
| JAVA0108 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| JAVA0117 | JAVA0117 Missing javadoc: method 'method' | |
| LINES | Number of lines in the source file | |
| CYCLOMATIC | Cyclomatic complexity | |
| DOC_COMMENT | Number of javadoc comment lines | |
| COMMENTS | Comment lines | |
| INTERFACE_COMPLEXITY | Interface complexity | |
| WHITESPACE | Number of whitespace lines | |
| JAVA0277 | JAVA0277 Iterator.next() implementation does not throw NoSuchElementException | |
| RETURNS | Number of return points from functions | |
| LOGICAL_LINES | Number of statements | |
| LOC | Lines of code | |
| COMPARISONS | Number of comparison operators | |
| PROGRAM_VOCAB | Halstead program vocabulary | |
| PARAMS | Number of formal parameter declarations | |
| UNIQUE_OPERANDS | Number of unique operands | |
| ELOC | Effective lines of code | |
| OPERATORS | Number of operators | |
| PROGRAM_LENGTH | Halstead program length | |
| OPERANDS | Number of operands | |
| JAVA0096 | JAVA0096 Field in nested class hides outer field | |
| UNIQUE_OPERATORS | Number of unique operators | |
| JAVA0110 | JAVA0110 Incorrect javadoc: no @return tag | |
| PROGRAM_VOLUME | Halstead program volume | |
| JAVA0136 | JAVA0136 N methods defined in class (maximum: M) | |
| JAVA0032 | JAVA0032 Switch statement missing default | |
| JAVA0126 | JAVA0126 Method declares unchecked exception in throws | |
| JAVA0270 | JAVA0270 Use Java 5.0 enhanced for loop construct to iterate over all elements in an array | |
| JAVA0145 | JAVA0145 Tab character used in source file | |
// Copyright 2004, 2005 The Apache Software Foundation
//
// 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.apache.tapestry.components;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import org.apache.hivemind.ApplicationRuntimeException;
import org.apache.hivemind.HiveMind;
import org.apache.tapestry.IBinding;
import org.apache.tapestry.IForm;
import org.apache.tapestry.IMarkupWriter;
import org.apache.tapestry.IRequestCycle;
import org.apache.tapestry.Tapestry;
import org.apache.tapestry.TapestryUtils;
import org.apache.tapestry.coerce.ValueConverter;
import org.apache.tapestry.engine.NullWriter;
import org.apache.tapestry.form.AbstractFormComponent;
import org.apache.tapestry.markup.NestedMarkupWriterImpl;
import org.apache.tapestry.services.ComponentRenderWorker;
import org.apache.tapestry.services.DataSqueezer;
import org.apache.tapestry.services.ExpressionEvaluator;
import org.apache.tapestry.services.ResponseBuilder;
/**
* @author mb
* @since 4.0
* @see org.apache.tapestry.components.IPrimaryKeyConverter
* @see org.apache.tapestry.util.DefaultPrimaryKeyConverter
*/
public abstract class ForBean extends AbstractFormComponent
{
// constants
/**
* Prefix on the hidden value stored into the field to indicate the the actual value is stored
* (this is used when there is no primary key converter). The remainder of the string is a
* {@link DataSqueezer squeezed} representation of the value.
*/
private static final char DESC_VALUE = 'V';
/**
* Prefix on the hidden value stored into the field that indicates the primary key of the
* iterated value is stored; the remainder of the string is a {@link DataSqueezer squeezed}
* representation of the primary key. The {@link IPrimaryKeyConverter converter} is used to
* obtain the value from this key.
*/
private static final char DESC_PRIMARY_KEY = 'P';
private final RepSource _completeRepSource = new CompleteRepSource();
private final RepSource _keyExpressionRepSource = new KeyExpressionRepSource();
// intermediate members
private Object _value;
private int _index;
private boolean _rendering;
private boolean _hasNext = false;
// parameters
public abstract boolean getRenderTag();
public abstract String getElement();
public abstract String getKeyExpression();
public abstract IPrimaryKeyConverter getConverter();
public abstract Object getDefaultValue();
public abstract boolean getMatch();
public abstract boolean getVolatile();
// injects
public abstract DataSqueezer getDataSqueezer();
public abstract ValueConverter getValueConverter();
public abstract ExpressionEvaluator getExpressionEvaluator();
public abstract ComponentRenderWorker getRenderWorker();
public abstract ResponseBuilder getResponseBuilder();
public boolean hasNext()
{
return _hasNext;
}
/**
* Gets the source binding and iterates through its values. For each, it updates the value
* binding and render's its wrapped elements.
*/
protected void renderComponent(IMarkupWriter writer, IRequestCycle cycle)
{
// form may be null if component is not located in a form
IForm form = (IForm) cycle.getAttribute(TapestryUtils.FORM_ATTRIBUTE);
// If the cycle is rewinding, but not this particular form,
// then do nothing (don't even render the body).
boolean cycleRewinding = cycle.isRewinding();
if (cycleRewinding && form != null && !form.isRewinding())
return;
setForm(form);
// Get the data to be iterated upon. Store in form if needed.
Iterator dataSource = getData(cycle, form);
// Do not iterate if dataSource is null.
// The dataSource was either not convertable to Iterator, or was empty.
if (dataSource == null)
return;
if (!cycleRewinding && form != null && !NullWriter.class.isInstance(writer))
form.setFormFieldUpdating(true);
String element = HiveMind.isNonBlank(getElement()) ? getElement() : getTemplateTagName();
boolean render = !cycleRewinding && HiveMind.isNonBlank(element) && getRenderTag();
IMarkupWriter loopWriter = writer;
// Perform the iterations
try
{
_index = 0;
_rendering = true;
while (dataSource.hasNext())
{
_hasNext = true;
// Get current value
_value = dataSource.next();
// Update output component parameters
updateOutputParameters();
// Render component
// swap out writers if necessary
if (getResponseBuilder().isDynamic()
&& getResponseBuilder().contains(this)
&& !NestedMarkupWriterImpl.class.isInstance(writer)) {
loopWriter = getResponseBuilder().getWriter(getClientId(), ResponseBuilder.ELEMENT_TYPE);
}
if (render) {
loopWriter.begin(element);
renderInformalParameters(loopWriter, cycle);
renderIdAttribute(loopWriter, cycle);
}
renderBody(loopWriter, cycle);
if (render) {
loopWriter.end(element);
}
_index++;
_hasNext = dataSource.hasNext();
// TODO: Fragile / messy
// Cause unique client id to be generated as well as event connection
// works or other after render workers. (basically reproduce what happens
// inside of AbstractComponent.render() . Perhaps this means it's time for
// refactoring of this logic, like deferring rendering to an actual component
// that can have its proper render() method invoked multiple times.
getRenderWorker().renderComponent(cycle, this);
generateClientId();
// set loopWriter back to original as the client ids/ etc change on each loop
loopWriter = writer;
}
}
finally
{
_rendering = false;
_value = null;
}
}
/**
* Overriden so that RenderWorker doesn't get run as we've been invoking
* it manually already.
*/
protected void cleanupAfterRender(IRequestCycle cycle)
{
}
protected void generateClientId()
{
String id = getSpecifiedId();
if (id != null && getPage() != null && getPage().getRequestCycle() != null)
setClientId(getPage().getRequestCycle().getUniqueId(TapestryUtils.convertTapestryIdToNMToken(id)));
}
/**
* Returns the most recent value extracted from the source parameter.
*
*/
public final Object getValue()
{
if (!_rendering)
throw Tapestry.createRenderOnlyPropertyException(this, "value");
return _value;
}
/**
* The index number, within the {@link #getStoredData(IRequestCycle, String) }, of the the current value.
*
*/
public int getIndex()
{
if (!_rendering)
throw Tapestry.createRenderOnlyPropertyException(this, "index");
return _index;
}
public boolean isDisabled()
{
return false;
}
/**
* Updates the index and value output parameters if bound.
*/
protected void updateOutputParameters()
{
IBinding indexBinding = getBinding("index");
if (indexBinding != null)
indexBinding.setObject(new Integer(_index));
IBinding valueBinding = getBinding("value");
if (valueBinding != null)
valueBinding.setObject(_value);
}
/**
* Updates the primaryKeys parameter if bound.
*/
protected void updatePrimaryKeysParameter(String[] stringReps)
{
IBinding primaryKeysBinding = getBinding("primaryKeys");
if (primaryKeysBinding == null)
return;
DataSqueezer squeezer = getDataSqueezer();
int repsCount = stringReps.length;
List primaryKeys = new ArrayList(repsCount);
for (int i = 0; i < stringReps.length; i++)
{
String rep = stringReps[i];
if (rep.length() == 0 || rep.charAt(0) != DESC_PRIMARY_KEY)
continue;
Object primaryKey = squeezer.unsqueeze(rep.substring(1));
primaryKeys.add(primaryKey);
}
primaryKeysBinding.setObject(primaryKeys);
}
// Do nothing in those methods, but make the JVM happy
protected void renderFormComponent(IMarkupWriter writer, IRequestCycle cycle)
{
}
protected void rewindFormComponent(IMarkupWriter writer, IRequestCycle cycle)
{
}
/**
* Returns a list with the values to be iterated upon. The list is obtained in different ways: -
* If the component is not located in a form or 'volatile' is set to true, then the simply the
* values passed to 'source' are returned (same as Foreach) - If the component is in a form, and
* the form is rewinding, the values stored in the form are returned -- rewind is then always
* the same as render. - If the component is in a form, and the form is being rendered, the
* values are stored in the form as Hidden fields.
*
* @param cycle
* The current request cycle
* @param form
* The form within which the component is located (if any)
* @return An iterator with the values to be cycled upon
*/
private Iterator getData(IRequestCycle cycle, IForm form)
{
if (form == null || getVolatile())
return evaluateSourceIterator();
String name = form.getElementId(this);
if (cycle.isRewinding())
return getStoredData(cycle, name);
return storeSourceData(form, name);
}
/**
* Returns a list of the values stored as Hidden fields in the form. A conversion is performed
* if the primary key of the value is stored.
*
* @param cycle
* The current request cycle
* @param name
* The name of the HTTP parameter whether the values
* @return an iterator with the values stored in the provided Hidden fields
*/
protected Iterator getStoredData(IRequestCycle cycle, String name)
{
String[] stringReps = cycle.getParameters(name);
if (stringReps == null)
return null;
updatePrimaryKeysParameter(stringReps);
return new ReadSourceDataIterator(stringReps);
}
/**
* Pulls data from successive strings (posted by client-side hidden fields); each string
* representation may be either a value or a primary key.
*/
private class ReadSourceDataIterator implements Iterator
{
private final Iterator _sourceIterator = evaluateSourceIterator();
private final Iterator _fullSourceIterator = evaluateFullSourceIterator();
private final String[] _stringReps;
private int _index = 0;
private final Map _repToValueMap = new HashMap();
ReadSourceDataIterator(String[] stringReps)
{
_stringReps = stringReps;
}
public boolean hasNext()
{
return _index < _stringReps.length;
}
public Object next()
{
String rep = _stringReps[_index++];
return getValueFromStringRep(_sourceIterator, _fullSourceIterator, _repToValueMap, rep);
}
public void remove()
{
throw new UnsupportedOperationException("remove()");
}
}
/**
* Stores the provided data in the form and then returns the data as an iterator. If the primary
* key of the value can be determined, then that primary key is saved instead.
*
* @param form
* The form where the data will be stored
* @param name
* The name under which the data will be stored
* @return an iterator with the bound values stored in the form
*/
protected Iterator storeSourceData(IForm form, String name)
{
return new StoreSourceDataIterator(form, name, evaluateSourceIterator());
}
/**
* Iterates over a set of values, using {@link ForBean#getStringRepFromValue(Object)} to obtain
* the correct client-side string representation, and working with the form to store each
* successive value into the form.
*/
private class StoreSourceDataIterator implements Iterator
{
private final IForm _form;
private final String _name;
private final Iterator _delegate;
StoreSourceDataIterator(IForm form, String name, Iterator delegate)
{
_form = form;
_name = name;
_delegate = delegate;
}
public boolean hasNext()
{
return _delegate.hasNext();
}
public Object next()
{
Object value = _delegate.next();
String rep = getStringRepFromValue(value);
_form.addHiddenValue(_name, rep);
return value;
}
public void remove()
{
throw new UnsupportedOperationException("remove()");
}
}
/**
* Returns the string representation of the value. The first letter of the string representation
* shows whether a value or a primary key is being described.
*
* @param value
* @return The string representation of the given value.
*/
protected String getStringRepFromValue(Object value)
{
String rep;
DataSqueezer squeezer = getDataSqueezer();
// try to extract the primary key from the value
Object pk = getPrimaryKeyFromValue(value);
try {
if (pk != null) {
// Primary key was extracted successfully.
rep = DESC_PRIMARY_KEY + squeezer.squeeze(pk);
} else {
// primary key could not be extracted. squeeze value.
rep = DESC_VALUE + squeezer.squeeze(value);
}
} catch (Exception e) {
throw new ApplicationRuntimeException(ComponentMessages.keySqueezeError(this, value, e), this, getLocation(), e);
}
return rep;
}
/**
* Returns the primary key of the given value. Uses the 'keyExpression' or the 'converter' (if
* either is provided).
*
* @param value
* The value from which the primary key should be extracted
* @return The primary key of the value, or null if such cannot be extracted.
*/
protected Object getPrimaryKeyFromValue(Object value)
{
if (value == null)
return null;
Object primaryKey = getKeyExpressionFromValue(value);
if (primaryKey == null)
primaryKey = getConverterFromValue(value);
return primaryKey;
}
/**
* Uses the 'keyExpression' parameter to determine the primary key of the given value.
*
* @param value
* The value from which the primary key should be extracted
* @return The primary key of the value as defined by 'keyExpression', or null if such cannot be
* extracted.
*/
protected Object getKeyExpressionFromValue(Object value)
{
String keyExpression = getKeyExpression();
if (keyExpression == null)
return null;
Object primaryKey = getExpressionEvaluator().read(value, keyExpression);
return primaryKey;
}
/**
* Uses the 'converter' parameter to determine the primary key of the given value.
*
* @param value
* The value from which the primary key should be extracted
* @return The primary key of the value as provided by the converter, or null if such cannot be
* extracted.
*/
protected Object getConverterFromValue(Object value)
{
IPrimaryKeyConverter converter = getConverter();
if (converter == null)
return null;
Object primaryKey = converter.getPrimaryKey(value);
return primaryKey;
}
/**
* Determines the value that corresponds to the given string representation. If the 'match'
* parameter is true, attempt to find a value in 'source' or 'fullSource' that generates the
* same string representation. Otherwise, create a new value from the string representation.
*
* @param rep
* the string representation for which a value should be returned
* @return the value that corresponds to the provided string representation
*/
protected Object getValueFromStringRep(Iterator sourceIterator, Iterator fullSourceIterator,
Map repToValueMap, String rep)
{
Object value = null;
DataSqueezer squeezer = getDataSqueezer();
// Check if the string rep is empty. If so, just return the default value.
if (rep == null || rep.length() == 0)
return getDefaultValue();
// If required, find a value with an equivalent string representation and return it
boolean match = getMatch();
if (match)
{
value = findValueWithStringRep( sourceIterator, fullSourceIterator, repToValueMap,
rep, _completeRepSource);
if (value != null)
return value;
}
// Matching of the string representation was not successful or was disabled.
// Use the standard approaches to obtain the value from the rep.
char desc = rep.charAt(0);
String squeezed = rep.substring(1);
switch (desc)
{
case DESC_VALUE:
// If the string rep is just the value itself, unsqueeze it
value = squeezer.unsqueeze(squeezed);
break;
case DESC_PRIMARY_KEY:
// Perform keyExpression match if not already attempted
if (!match && getKeyExpression() != null)
value = findValueWithStringRep(
sourceIterator,
fullSourceIterator,
repToValueMap,
rep,
_keyExpressionRepSource);
// If 'converter' is defined, try to perform conversion from primary key to value
if (value == null)
{
IPrimaryKeyConverter converter = getConverter();
if (converter != null)
{
Object pk = squeezer.unsqueeze(squeezed);
value = converter.getValue(pk);
}
}
break;
}
if (value == null)
value = getDefaultValue();
return value;
}
/**
* Attempt to find a value in 'source' or 'fullSource' that generates the provided string
* representation. Use the RepSource interface to determine what the string representation of a
* particular value is.
*
* @param rep
* the string representation for which a value should be returned
* @param repSource
* an interface providing the string representation of a given value
* @return the value in 'source' or 'fullSource' that corresponds to the provided string
* representation
*/
protected Object findValueWithStringRep(Iterator sourceIterator, Iterator fullSourceIterator,
Map repToValueMap, String rep, RepSource repSource)
{
Object value = repToValueMap.get(rep);
if (value != null)
return value;
value = findValueWithStringRepInIterator(sourceIterator, repToValueMap, rep, repSource);
if (value != null)
return value;
value = findValueWithStringRepInIterator(fullSourceIterator, repToValueMap, rep, repSource);
return value;
}
/**
* Attempt to find a value in the provided collection that generates the required string
* representation. Use the RepSource interface to determine what the string representation of a
* particular value is.
*
* @param rep
* the string representation for which a value should be returned
* @param repSource
* an interface providing the string representation of a given value
* @param it
* the iterator of the collection in which a value should be searched
* @return the value in the provided collection that corresponds to the required string
* representation
*/
protected Object findValueWithStringRepInIterator(Iterator it, Map repToValueMap, String rep,
RepSource repSource)
{
while (it.hasNext())
{
Object sourceValue = it.next();
if (sourceValue == null)
continue;
String sourceRep = repSource.getStringRep(sourceValue);
repToValueMap.put(sourceRep, sourceValue);
if (rep.equals(sourceRep))
return sourceValue;
}
return null;
}
/**
* Returns a new iterator of the values in 'source'.
*
* @return the 'source' iterator
*/
protected Iterator evaluateSourceIterator()
{
Iterator it = null;
Object source = null;
IBinding sourceBinding = getBinding("source");
if (sourceBinding != null)
source = sourceBinding.getObject();
if (source != null)
it = (Iterator) getValueConverter().coerceValue(source, Iterator.class);
if (it == null)
it = Collections.EMPTY_LIST.iterator();
return it;
}
/**
* Returns a new iterator of the values in 'fullSource'.
*
* @return the 'fullSource' iterator
*/
protected Iterator evaluateFullSourceIterator()
{
Iterator it = null;
Object fullSource = null;
IBinding fullSourceBinding = getBinding("fullSource");
if (fullSourceBinding != null)
fullSource = fullSourceBinding.getObject();
if (fullSource != null)
it = (Iterator) getValueConverter().coerceValue(fullSource, Iterator.class);
if (it == null)
it = Collections.EMPTY_LIST.iterator();
return it;
}
/**
* An interface that provides the string representation of a given value.
*/
protected interface RepSource
{
String getStringRep(Object value);
}
/**
* An implementation of RepSource that provides the string representation of the given value
* using all methods.
*/
protected class CompleteRepSource implements RepSource
{
public String getStringRep(Object value)
{
return getStringRepFromValue(value);
}
}
/**
* An implementation of RepSource that provides the string representation of the given value
* using just the 'keyExpression' parameter.
*/
protected class KeyExpressionRepSource implements RepSource
{
public String getStringRep(Object value)
{
Object pk = getKeyExpressionFromValue(value);
return DESC_PRIMARY_KEY + getDataSqueezer().squeeze(pk);
}
}
/**
* For component can not take focus.
*/
protected boolean getCanTakeFocus()
{
return false;
}
public String getDisplayName()
{
return null;
}
}
The table below shows all metrics for ForBean.java.
| Metric | Value | Description | |
|---|---|---|---|
| BLOCKS | 50.00 | Number of blocks | |
| BLOCK_COMMENT | 0.00 | Number of block comment lines | |
| COMMENTS | 218.00 | Comment lines | |
| COMMENT_DENSITY | 0.74 | Comment density | |
| COMPARISONS | 54.00 | Number of comparison operators | |
| CYCLOMATIC | 93.00 | Cyclomatic complexity | |
| DECL_COMMENTS | 45.00 | Comments in declarations | |
| DOC_COMMENT | 172.00 | Number of javadoc comment lines | |
| ELOC | 293.00 | Effective lines of code | |
| EXEC_COMMENTS | 19.00 | Comments in executable code | |
| EXITS | 78.00 | Procedure exits | |
| FUNCTIONS | 48.00 | Number of function declarations | |
| HALSTEAD_DIFFICULTY | 79.15 | Halstead difficulty | |
| HALSTEAD_EFFORT | 0.00 | Halstead effort | |
| INTERFACE_COMPLEXITY | 89.00 | 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 | 5.00 | 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 | 1.00 | 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 | 1.00 | JAVA0032 Switch statement missing default | |
| JAVA0033 | 0.00 | JAVA0033 default: not last case in switch statement | |
| JAVA0034 | 31.00 | JAVA0034 Missing braces in if statement | |
| JAVA0035 | 0.00 | JAVA0035 Missing braces in for statement | |
| JAVA0036 | 0.00 | JAVA0036 Missing braces in while statement | |
| JAVA0038 | 0.00 | JAVA0038 Non-case label in switch statement | |
| JAVA0039 | 0.00 | JAVA0039 Break statement with label | |
| JAVA0040 | 0.00 | JAVA0040 Switch statement contains N cases (maximum: M) | |
| JAVA0041 | 0.00 | JAVA0041 Nested synchronized block | |
| JAVA0042 | 0.00 | JAVA0042 Empty synchronized statement | |
| JAVA0043 | 0.00 | JAVA0043 Inner class does not use outer class | |
| JAVA0044 | 0.00 | JAVA0044 Serializable class with no instance variables | |
| JAVA0045 | 0.00 | JAVA0045 Serializable class with only transient fields | |
| JAVA0046 | 0.00 | JAVA0046 Name of class not derived from Exception ends with 'Exception' | |
| JAVA0047 | 0.00 | JAVA0047 Serializable class derives from invalid base class | |
| JAVA0048 | 0.00 | JAVA0048 Name of class derived from Exception does not end with 'Exception' | |
| JAVA0049 | 0.00 | JAVA0049 Nested block at depth N (maximum: M) | |
| JAVA0050 | 0.00 | JAVA0050 Class derives from java.lang.Error | |
| JAVA0051 | 0.00 | JAVA0051 Class derives from java.lang.RuntimeException | |
| JAVA0052 | 0.00 | JAVA0052 Class derives from java.lang.Throwable | |
| JAVA0053 | 0.00 | JAVA0053 Unused label | |
| JAVA0054 | 0.00 | JAVA0054 Inheritance depth N exceeds maximum M | |
| JAVA0055 | 0.00 | JAVA0055 Class should be interface | |
| JAVA0056 | 0.00 | JAVA0056 Unnecessary abstract modifier for interface or annotation | |
| JAVA0057 | 0.00 | JAVA0057 Unnecessary default constructor | |
| JAVA0058 | 0.00 | JAVA0058 Constructor calls super() | |
| JAVA0059 | 0.00 | JAVA0059 Method override only calls super() | |
| JAVA0061 | 0.00 | JAVA0061 Inaccessible member in anonymous class | |
| JAVA0062 | 0.00 | JAVA0062 Public class missing public member or protected constructor | |
| JAVA0063 | 0.00 | JAVA0063 Identifier name should not contain '$' | |
| JAVA0064 | 0.00 | JAVA0064 N variations of identifier name (maximum: M) | |
| JAVA0065 | 0.00 | JAVA0065 Unnecessary final modifier for method in final class | |
| JAVA0066 | 0.00 | JAVA0066 Unnecessary modifier for interface nested type | |
| JAVA0067 | 0.00 | JAVA0067 Array descriptor on identifier name | |
| JAVA0068 | 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 | 1.00 | 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 | 8.00 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| JAVA0109 | 0.00 | JAVA0109 Incorrect javadoc: no parameter 'parameter' | |
| JAVA0110 | 3.00 | JAVA0110 Incorrect javadoc: no @return tag | |
| JAVA0111 | 0.00 | JAVA0111 Incorrect javadoc: @return tag for void method | |
| JAVA0112 | 0.00 | JAVA0112 Incorrect javadoc: no exception 'exception' in throws | |
| JAVA0113 | 0.00 | JAVA0113 Incorrect javadoc: no @author tag | |
| JAVA0114 | 1.00 | JAVA0114 Incorrect javadoc: no @version tag | |
| JAVA0115 | 0.00 | JAVA0115 Incorrect javadoc: no @throws or @exception tag for 'exception' | |
| JAVA0116 | 0.00 | JAVA0116 Missing javadoc: field 'field' | |
| JAVA0117 | 13.00 | JAVA0117 Missing javadoc: method 'method' | |
| JAVA0118 | 0.00 | JAVA0118 Missing javadoc: type 'type' | |
| JAVA0119 | 0.00 | JAVA0119 Control variable changed within body of for loop | |
| JAVA0123 | 0.00 | JAVA0123 Use all three components of for loop | |
| JAVA0125 | 0.00 | JAVA0125 Continue statement with label | |
| JAVA0126 | 0.00 | JAVA0126 Method declares unchecked exception in throws | |
| JAVA0128 | 0.00 | JAVA0128 Public constructor in non-public class | |
| JAVA0130 | 0.00 | JAVA0130 Non-static method does not use instance fields | |
| JAVA0131 | 0.00 | JAVA0131 Compatible method does not override base | |
| JAVA0132 | 0.00 | JAVA0132 Method overload with compatible signature | |
| JAVA0133 | 0.00 | JAVA0133 Non-synchronized method overrides synchronized method | |
| JAVA0135 | 0.00 | JAVA0135 Only one of Object.equals and Object.hashCode defined: missing 'method' | |
| JAVA0136 | 1.00 | JAVA0136 N methods defined in class (maximum: M) | |
| JAVA0137 | 0.00 | JAVA0137 Non-abstract class missing constructor | |
| JAVA0138 | 0.00 | JAVA0138 N parameters defined for method (maximum: M) | |
| JAVA0139 | 0.00 | JAVA0139 Definition of main other than public static void main(java.lang.String[]) | |
| JAVA0141 | 0.00 | JAVA0141 Unnecessary modifier for method in interface | |
| JAVA0143 | 0.00 | JAVA0143 Synchronized method | |
| JAVA0144 | 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 | 1.00 | JAVA0166 Generic exception caught | |
| JAVA0167 | 0.00 | JAVA0167 ThreadDeath not rethrown | |
| JAVA0169 | 0.00 | JAVA0169 Unnecessary catch block: exception 'exception' | |
| JAVA0170 | 0.00 | JAVA0170 Caught exception not derived from java.lang.Exception | |
| JAVA0171 | 0.00 | JAVA0171 Unused local variable | |
| JAVA0173 | 0.00 | JAVA0173 Unused method parameter | |
| JAVA0174 | 0.00 | JAVA0174 Assigned local variable never used | |
| JAVA0175 | 0.00 | JAVA0175 Successive assignment to variable | |
| JAVA0176 | 0.00 | JAVA0176 Local variable name does not have required form | |
| JAVA0177 | 1.00 | JAVA0177 Variable declaration missing initializer | |
| JAVA0179 | 0.00 | JAVA0179 Local variable hides visible field | |
| JAVA0233 | 0.00 | JAVA0233 Definition of serialVersionUID other than 'private static final long serialVersionUID' | |
| JAVA0234 | 0.00 | JAVA0234 Class is Serializable but does not define serialVersionUID | |
| JAVA0235 | 0.00 | JAVA0235 Class defines serialVersionUID but does not implement Serializable | |
| JAVA0236 | 0.00 | JAVA0236 Attempt to clone an object which does not implement Cloneable | |
| JAVA0237 | 0.00 | JAVA0237 Class implements Cloneable but does not have public clone method | |
| JAVA0238 | 0.00 | JAVA0238 Clone method does not call super.clone() | |
| JAVA0239 | 0.00 | JAVA0239 Class declares 'readObject' or 'writeObject' but does not implement Serializable | |
| JAVA0240 | 0.00 | JAVA0240 Serializable class which declares readObject or writeObject but not both | |
| JAVA0241 | 0.00 | JAVA0241 'readObject' or 'writeObject' should be declared private in Serializable class | |
| JAVA0242 | 0.00 | JAVA0242 Transient field in non-Serializable class | |
| JAVA0243 | 0.00 | JAVA0243 'readResolve' or 'writeReplace' should be declared private or protected | |
| JAVA0244 | 0.00 | JAVA0244 Field or method name in subclass differs only by case from inherited field or method | |
| JAVA0245 | 0.00 | JAVA0245 JUnit TestCase with non-trivial constructor | |
| JAVA0246 | 0.00 | JAVA0246 JUnit assertXXX statement missing message parameter | |
| JAVA0247 | 0.00 | JAVA0247 JUnit 'setUp()' and 'tearDown()' should call super method | |
| JAVA0248 | 0.00 | JAVA0248 JUnit method 'setUp' or 'tearDown' with incorrect signature | |
| JAVA0249 | 0.00 | JAVA0249 JUnit TestCase 'suite()' should be declared static | |
| JAVA0250 | 0.00 | JAVA0250 JUnit TestCase declares testXXX method with incorrect signature | |
| JAVA0251 | 0.00 | JAVA0251 Use '%n' for line breaks in printf/format for platform independence | |
| JAVA0252 | 0.00 | JAVA0252 'enum' is a Java 1.5 reserved word | |
| JAVA0253 | 0.00 | JAVA0253 Not all enum constants consumed in switch statement | |
| JAVA0254 | 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 | 1.00 | JAVA0258 Implement Iterable for foreach compatibility | |
| JAVA0259 | 0.00 | JAVA0259 Return of collection/array field | |
| JAVA0260 | 0.00 | JAVA0260 Use 'enum' instead of Enumerated Type pattern | |
| JAVA0261 | 0.00 | JAVA0261 Use specialized Enum collection types | |
| JAVA0262 | 0.00 | JAVA0262 Use of char in integer context | |
| JAVA0263 | 0.00 | JAVA0263 Long literal ends with 'l' instead of 'L' | |
| JAVA0264 | 0.00 | JAVA0264 Integer math in long context - check for overflow | |
| JAVA0265 | 0.00 | JAVA0265 Use of Throwable.printStackTrace() | |
| JAVA0266 | 0.00 | JAVA0266 Use of System.out | |
| JAVA0267 | 0.00 | JAVA0267 Use of System.err | |
| JAVA0269 | 0.00 | JAVA0269 Contents of StringBuffer never used | |
| JAVA0270 | 1.00 | JAVA0270 Use Java 5.0 enhanced for loop construct to iterate over all elements in an array | |
| JAVA0271 | 0.00 | JAVA0271 Minimize use of on-demand (.*) static imports | |
| JAVA0272 | 0.00 | JAVA0272 Thread.run() called | |
| JAVA0273 | 0.00 | JAVA0273 Non-final derivative of Thread calls start() in constructor | |
| JAVA0274 | 0.00 | JAVA0274 Serializable class has a synchronized readObject() | |
| JAVA0275 | 0.00 | JAVA0275 Serializable class has a synchronized writeObject() and no other synchronized methods | |
| JAVA0276 | 0.00 | JAVA0276 Unnecessary use of String constructor | |
| JAVA0277 | 2.00 | 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 | 773.00 | Number of lines in the source file | |
| LINE_COMMENT | 46.00 | Number of line comments | |
| LOC | 398.00 | Lines of code | |
| LOGICAL_LINES | 194.00 | Number of statements | |
| LOOPS | 3.00 | Number of loops | |
| NEST_DEPTH | 4.00 | Maximum nesting depth | |
| OPERANDS | 771.00 | Number of operands | |
| OPERATORS | 1446.00 | Number of operators | |
| PARAMS | 38.00 | Number of formal parameter declarations | |
| PROGRAM_LENGTH | 2217.00 | Halstead program length | |
| PROGRAM_VOCAB | 317.00 | Halstead program vocabulary | |
| PROGRAM_VOLUME | 0.00 | Halstead program volume | |
| RETURNS | 51.00 | Number of return points from functions | |
| SIZE | 25124.00 | Size of the file in bytes | |
| UNIQUE_OPERANDS | 263.00 | Number of unique operands | |
| UNIQUE_OPERATORS | 54.00 | Number of unique operators | |
| WHITESPACE | 157.00 | Number of whitespace lines | |