jdk8-mips64-public/langtools: src/share/classes/com/sun/javadoc/package.html@9a66ca7c79fa (annotated)

src/share/classes/com/sun/javadoc/package.html@9a66ca7c79fa (annotated)

src/share/classes/com/sun/javadoc/package.html

Sat, 01 Dec 2007 00:00:00 +0000

author: duke
date: Sat, 01 Dec 2007 00:00:00 +0000
changeset 1: 9a66ca7c79fa
child 554: 9d9f26857129
permissions: -rw-r--r--

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 <html>
 <head>
 <TITLE>Doclet API Package</TITLE>
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 <body bgcolor="white">
 The Doclet API (also called the Javadoc API) provides a mechanism
 for clients to inspect the source-level structure of programs and
 libraries, including javadoc comments embedded in the source.
 This is useful for documentation, program checking, automatic
 code generation and many other tools.
 <p>
 Doclets are invoked by javadoc and use this API to write out
 program information to files.  For example, the standard doclet is called
 by default and writes out documentation to HTML files.
 <p>
 The invocation is defined by the abstract {@link com.sun.javadoc.Doclet} class
 -- the entry point is the {@link com.sun.javadoc.Doclet#start(RootDoc) start} method:
 <pre>
     public static boolean <b>start</b>(RootDoc root)
 </pre>
 The {@link com.sun.javadoc.RootDoc} instance holds the root of the program structure
 information. From this root all other program structure
 information can be extracted.
 <p>
 <a name="terminology"></a>
 <h3>Terminology</h3>
 <a name="included"></a>
 When calling javadoc, you pass in package names and source file names --
 these are called the <em>specified</em> packages and classes.
 You also pass in Javadoc options; the <em>access control</em> Javadoc options
 (<code>-public</code>, <code>-protected</code>, <code>-package</code>,
 and <code>-private</code>) filter program elements, producing a
 result set, called the <em>included</em> set, or "documented" set.
 (The unfiltered set is also available through
 {@link com.sun.javadoc.PackageDoc#allClasses(boolean) allClasses(false)}.)
 <p>
 <a name="class"></a>
 Throughout this API, the term <em>class</em> is normally a
 shorthand for "class or interface", as in: {@link com.sun.javadoc.ClassDoc},
 {@link com.sun.javadoc.PackageDoc#allClasses() allClasses()}, and
 {@link com.sun.javadoc.PackageDoc#findClass(String) findClass(String)}.
 In only a couple of other places, it means "class, as opposed to interface",
 as in:  {@link com.sun.javadoc.Doc#isClass()}.
 In the second sense, this API calls out four kinds of classes:
 {@linkplain com.sun.javadoc.Doc#isOrdinaryClass() ordinary classes},
 {@linkplain com.sun.javadoc.Doc#isEnum() enums},
 {@linkplain com.sun.javadoc.Doc#isError() errors} and
 {@linkplain com.sun.javadoc.Doc#isException() exceptions}.
 Throughout the API, the detailed description of each program element
 describes explicitly which meaning is being used.
 <p>
 <a name="qualified"></a>
 A <em>qualified</em> class or interface name is one that has its package
 name prepended to it, such as <code>java.lang.String</code>.  A non-qualified
 name has no package name, such as <code>String</code>.
 <p>
 <a name="example"></a>
 <h3>Example</h3>
 The following is an example doclet that
 displays information in the <code>@param</code> tags of the processed
 classes:
 <pre>
 import com.sun.javadoc.*;
 public class ListParams extends <font color=red title="Doclet API">Doclet</font> {
     public static boolean start(<font color=red title="Doclet API">RootDoc</font> root) {
         <font color=red title="Doclet API">ClassDoc</font>[] classes = root.<font color=red title="Doclet API">classes</font>();
         for (int i = 0; i < classes.length; ++i) {
             <font color=red title="Doclet API">ClassDoc</font> cd = classes[i];
             printMembers(cd.<font color=red title="Doclet API">constructors</font>());
             printMembers(cd.<font color=red title="Doclet API">methods</font>());
         }
         return true;
     }
     static void printMembers(<font color=red title="Doclet API">ExecutableMemberDoc</font>[] mems) {
         for (int i = 0; i < mems.length; ++i) {
             <font color=red title="Doclet API">ParamTag</font>[] params = mems[i].<font color=red title="Doclet API">paramTags</font>();
             System.out.println(mems[i].<font color=red title="Doclet API">qualifiedName</font>());
             for (int j = 0; j < params.length; ++j) {
                 System.out.println("   " + params[j].<font color=red title="Doclet API">parameterName</font>()
                     + " - " + params[j].<font color=red title="Doclet API">parameterComment</font>());
             }
         }
     }
 }
 </pre>
 Interfaces and methods from the Javadoc API are marked in
 <font color=red title="Doclet API">red</font>.
 {@link com.sun.javadoc.Doclet Doclet} is an abstract class that specifies
 the invocation interface for doclets,
 {@link com.sun.javadoc.Doclet Doclet} holds class or interface information,
 {@link com.sun.javadoc.ExecutableMemberDoc} is a
 superinterface of {@link com.sun.javadoc.MethodDoc} and
 {@link com.sun.javadoc.ConstructorDoc},
 and {@link com.sun.javadoc.ParamTag} holds information
 from "<code>@param</code>" tags.
 <p>
 This doclet when invoked with a command line like:
 <pre>
     javadoc -doclet ListParams -sourcepath &lt;source-location&gt; java.util
 </pre>
 producing output like:
 <pre>
     ...
     java.util.ArrayList.add
        index - index at which the specified element is to be inserted.
        element - element to be inserted.
     java.util.ArrayList.remove
        index - the index of the element to removed.
     ...
 </pre>
 @see com.sun.javadoc.Doclet
 @see com.sun.javadoc.RootDoc
 </BODY>
 </HTML>

Mercurial > jdk8-mips64-public > langtools / annotate

src/share/classes/com/sun/javadoc/package.html@9a66ca7c79fa (annotated)

src/share/classes/com/sun/javadoc/package.html