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This file is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

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The source code

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        <title>JDepend Analysis
        
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    <!--h1>JDepend Report
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    <h1>JDepend Analysis
    <p align="right">Designed for use with JDepend and Ant.

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<a name="NVsummary">

Summary

</td>
[<a href="#NVsummary">summary] [<a href="#NVpackages">packages] [<a href="#NVcycles">cycles] [<a href="#NVexplanations">explanations] </td>
<table width="100%" class="details"> <tr> <th>Package <th>Total Classes <th>Abstract Classes <th>Concrete Classes <th>Afferent Couplings <th>Efferent Couplings <th>Abstractness <th>Instability <th>Distance </tr> <xsl:for-each select="./Packages/Package"> <xsl:if test="count(error) = 0"> <tr> <td align="left"> <a> <xsl:attribute name="href">#PK </xsl:attribute> <xsl:value-of select="@name"/> </a> </td> <td align="right"> <td align="right"> <td align="right"> <td align="right"> <td align="right"> <td align="right"> <td align="right"> <td align="right"> </tr> </xsl:if> </xsl:for-each> <xsl:for-each select="./Packages/Package"> <xsl:if test="count(error) > 0"> <tr> <td align="left"> <xsl:value-of select="@name"/> </td> <td align="left" colspan="8"> </tr> </xsl:if> </xsl:for-each> </table> <table width="100%"> <a name="NVpackages">

Packages

</td> [<a href="#NVsummary">summary] [<a href="#NVpackages">packages] [<a href="#NVcycles">cycles] [<a href="#NVexplanations">explanations] </td> <xsl:for-each select="./Packages/Package"> <xsl:if test="count(error) = 0"> <h3>PK <xsl:value-of select="@name"/> <table width="100%"> <td>Afferent Couplings: <td>Efferent Couplings: <td>Abstractness: <td>Instability: <td>Distance: </tr> <table width="100%" class="details"> <tr> <th>Abstract Classes <th>Concrete Classes <th>Used by Packages <th>Uses Packages </tr> <tr> <td valign="top" width="25%"> <xsl:if test="count(AbstractClasses/Class)=0"> <i>None </xsl:if> <xsl:for-each select="AbstractClasses/Class"> <xsl:value-of select="node()"/>
</xsl:for-each> </td> <td valign="top" width="25%"> <xsl:if test="count(ConcreteClasses/Class)=0"> <i>None </xsl:if> <xsl:for-each select="ConcreteClasses/Class"> <xsl:value-of select="node()"/>
</xsl:for-each> </td> <td valign="top" width="25%"> <xsl:if test="count(UsedBy/Package)=0"> <i>None </xsl:if> <xsl:for-each select="UsedBy/Package"> <a> <xsl:attribute name="href">#PK <xsl:value-of select="node()"/> </a>
</xsl:for-each> </td> <td valign="top" width="25%"> <xsl:if test="count(DependsUpon/Package)=0"> <i>None </xsl:if> <xsl:for-each select="DependsUpon/Package"> <a> <xsl:attribute name="href">#PK <xsl:value-of select="node()"/> </a>
</xsl:for-each> </td> </tr> </table> </xsl:if> </xsl:for-each> <table width="100%"> <a name="NVcycles">

Cycles

</td> [<a href="#NVsummary">summary] [<a href="#NVpackages">packages] [<a href="#NVcycles">cycles] [<a href="#NVexplanations">explanations] </td> <xsl:if test="count(Cycles/Package) = 0"> <p>There are no cyclic dependancies.

</xsl:if> <xsl:for-each select="Cycles/Package"> <h3>

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Explanations

</td> [<a href="#NVsummary">summary] [<a href="#NVpackages">packages] [<a href="#NVcycles">cycles] [<a href="#NVexplanations">explanations] </td> <p>The following explanations are for quick reference and are lifted directly from the original JDepend documentation.

<h3>Number of Classes <p>The number of concrete and abstract classes (and interfaces) in the package is an indicator of the extensibility of the package.

<h3>Afferent Couplings <p>The number of other packages that depend upon classes within the package is an indicator of the package's responsibility.

<h3>Efferent Couplings <p>The number of other packages that the classes in the package depend upon is an indicator of the package's independence.

<h3>Abstractness <p>The ratio of the number of abstract classes (and interfaces) in the analyzed package to the total number of classes in the analyzed package.

<p>The range for this metric is 0 to 1, with A=0 indicating a completely concrete package and A=1 indicating a completely abstract package.

<h3>Instability <p>The ratio of efferent coupling (Ce) to total coupling (Ce / (Ce + Ca)). This metric is an indicator of the package's resilience to change.

<p>The range for this metric is 0 to 1, with I=0 indicating a completely stable package and I=1 indicating a completely instable package.

<h3>Distance <p>The perpendicular distance of a package from the idealized line A + I = 1. This metric is an indicator of the package's balance between abstractness and stability.

<p>A package squarely on the main sequence is optimally balanced with respect to its abstractness and stability. Ideal packages are either completely abstract and stable (x=0, y=1) or completely concrete and instable (x=1, y=0).

<p>The range for this metric is 0 to 1, with D=0 indicating a package that is coincident with the main sequence and D=1 indicating a package that is as far from the main sequence as possible.

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