101 lines
2.9 KiB
HTML
101 lines
2.9 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
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<html>
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<head>
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<title>Checks for Patterns</title>
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<link rel="stylesheet" type="text/css" href="mystyle.css">
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</head>
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<body>
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<h1>Checks for Naming Conventions</h1>
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<p>Checkstyle supports checking that names in a Java code confirms to
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specified naming conventions which are specifed as regular expressions. The
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excellent <a href="http://jakarta.apache.org/regexp">Jakarta Regexp</a>
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library is used by Checkstyle.</p>
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<h2>Format of variable names</h2>
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<p>The property <span class="code">checkstyle.pattern.member</span> specifies
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the format for members (non <span class="code">static</span>). Defaults to
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<span class="code">^[a-z][a-zA-Z0-9]*$</span>. An example is:</p>
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<pre>
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private int mySize = 0;
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</pre>
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<p>The property <span class="code">checkstyle.pattern.const</span> specifies
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the format for constants (<span class="code">static</span> and <span
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class="code">final</span>). Defaults to <span
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class="code">^[A-Z](_?[A-Z0-9]+)*$</span>. The exception to the rule is for
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<span class="code">serialVersionUID</span>. An example is:</p>
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<pre>
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public static final int MAX_ROWS = 2;
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</pre>
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<p>The property <span class="code">checkstyle.pattern.static</span> specifies
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the format for static variables (<span class="code">static</span>
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only). Defaults to <span class="code">^[a-z][a-zA-Z0-9]*$</span>. An example
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is:</p>
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<pre>
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private static int numCreated = 0;
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</pre>
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<p>The property <span class="code">checkstyle.pattern.publicmember</span>
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specifies the format for public members (non <span
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class="code">static public</span>). Defaults to <span
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class="code">^f[A-Z][a-zA-Z0-9]*$</span>. This is useful for the fields
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required for Container Managed Persistence (CMP) Enterprise JavaBeans 1.1. An
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example is:</p>
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<pre>
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public int fCMPField;
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</pre>
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<h2>Format of parameter names</h2>
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<p>The property <span class="code">checkstyle.pattern.parameter</span>
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specifies the format for parameter names. The default is <span
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class="code">^[a-z][a-zA-Z0-9]*$</span>.</p>
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<h2>Format of type names</h2>
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<p>The property <span class="code">checkstyle.pattern.type</span> specifies
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the format for class and interface names. The default is <span
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class="code">^[A-Z][a-zA-Z0-9]*$</span>.</p>
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<h2>Format of method names</h2>
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<p>The property <span class="code">checkstyle.pattern.method</span> specifies
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the format for method names. The default is <span
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class="code">^[a-z][a-zA-Z0-9]*$</span>.</p>
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<h2>Format of local variable names</h2>
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<p>The property <span class="code">checkstyle.pattern.localvar</span>
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specifies the format for local variables. The default is <span
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class="code">^[a-z][a-zA-Z0-9]*$</span>. An example is:</p>
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<pre>
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int localInt = 3;
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</pre>
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<p>The property <span class="code">checkstyle.pattern.localfinalvar</span>
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specifies the format for final local variables. The default is <span
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class="code">^[a-z][a-zA-Z0-9]*$</span>. An example is:</p>
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<pre>
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final int finalLocalInt = 3;
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</pre>
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</body>
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</html> |