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| <h1>AppletViewer Tags</h1> |
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| <font size="-1"><a href="../index.html">Documentation Contents</a></font> |
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| The applet viewer makes it possible to run a Java applet without using |
| a browser. AppletViewer ignores any HTML that is not immediately relevant |
| to launching an applet. However, it recognizes a wide variety of applet- |
| launching syntax. The HTML code that AppletViewer recognizes is shown |
| below. All other HTML code is ignored. |
| <p> |
| <b>object</b><br> |
| <blockquote> |
| The <code>object</code> tag is the HTML 4.0 tag for embedding applets |
| and mult-media objects into an HTML page. It is also an Internet Explorer |
| 4.x extension to HTML 3.2 which allows IE to run a Java applet using the |
| latest Java plugin from Sun. |
| <pre> |
| <object |
| width="<i>pixelWidth</i>" |
| height="<i>pixelHeight</i>" |
| > |
| <param name="code" value="<i>yourClass.class</i>"> |
| <param name="object" value="<i>serializedObjectOrJavaBean</i>"> |
| <param name="codebase" value="<i>classFileDirectory</i>"> |
| ... |
| <i>alternate-text</i> |
| </object> |
| </pre> |
| <b>Notes:</b><br><ul> |
| <li>AppletViewer ignores the "classID" attribute, on the assumption |
| that it is pointing to the Java plugin, with the value:<br> |
| <code> |
| classid="clsid:8AD9C840-044E-11D1-B3E9-00805F499D93" |
| </code> |
| <p> |
| <li>AppletViewer also ignores the "codebase" attribute that is usually included |
| as part of the object tag, assuming that it points to a Java plugin |
| in a network <b>cab</b> file with a value like:<br> |
| <code> |
| codebase="http://java.sun.com/products/plugin/1.1/jinstall-11-win32.cab#Version=1,1,0,0" |
| </code> |
| <p> |
| <li>The optional <code>codebase</code> param tag supplies a relative URL that |
| specifies the location of the applet class. |
| <p> |
| <li>Either <code>code</code> or <code>object</code> is specified, not both. |
| <p> |
| <li>The <code>type</code> param tag is not used by AppletViewer, but should be |
| present so that browsers load the plugin properly.<br> |
| For an applet, the value should be something like:<br> |
| <code> |
| <param name="type" value="application/x-java-applet;version=1.1"> |
| </code><br> |
| or<br> |
| <code> |
| <param name="type" value="application/x-java-applet"> |
| </code><br><br> |
| For a serialized object or JavaBean, the <code>type</code> param |
| value should be something like:<br> |
| <code> |
| <param name="type" value="application/x-java-bean;version=1.1"> |
| </code><br> |
| or<br> |
| <code> |
| <param name="type" value="application/x-java-bean"> |
| </code> |
| <p> |
| <li>Other param tags are argument values supplied to the applet. |
| <p> |
| <li>The <code>object</code> tag recognized by IE4.x and the <code>embed</code> tag |
| recognized by Netscape 4.x can be combined so that an applet can |
| use the latest Java plugin from Sun, regardless of the browser that |
| downloads the applet.<br> |
| For more information, see |
| <a href="http://java.sun.com/products/plugin/1.3/docs/tags.html">Java |
| PlugIn HTML Specification</a> |
| <p> |
| <li>AppletViewer does not recognize the <code>java_code</code>, <code>java_codebase</code>, |
| <code>java_object</code>, or <code>java_type</code> param tags. These tags |
| are only needed when the applet defines parameters with the names |
| code, codebase, object, or type, respectively. (In that situation, the |
| plugin recognizes and uses the <code>java_</code> version in preference to the |
| version that will be used by the applet.) If the applet requires a |
| parameter with one of these 4 names, it may not run in AppletViewer. |
| </ul> |
| </blockquote> |
| <p> |
| <b>embed</b><br> |
| <blockquote> |
| The <code>embed</code> tag is the Netscape extension to HTML 3.2 that allows |
| embedding an applet or a multimedia object in an HTML page. It allows a |
| Netscape 4.x browser (which supports HTML 3.2) to run a Java applet using the |
| latest Java plugin from Sun. |
| <pre> |
| <embed |
| code="<i>yourClass.class</i>" |
| object="<i>serializedObjectOrJavaBean</i>" |
| codebase="<i>classFileDirectory</i>" |
| width="<i>pixelWidth</i>" |
| height="<i>pixelHeight</i>" |
| > |
| ... |
| </embed> |
| </pre> |
| <b>Notes:</b><br> |
| <ul> |
| <li>The <code>object</code> and <code>embed</code> tags can be combined so that |
| an applet can use the latest Java plugin from Sun, regardless of |
| the browser that downloads the applet.<br> |
| For more information, see the |
| <a href="http://java.sun.com/products/plugin/1.3/docs/tags.html">Java |
| PlugIn HTML Specification</a> |
| <p> |
| <li>Unlike the <code>object</code> tag, all values specified in an <code>embed</code> |
| tag are attributes (part of the tag) rather than parameters (between the start |
| tag and end tag, specified with a <code>param</code> tag. |
| <p> |
| <li>To supply argument values for applet parameters, you add additional |
| attributes to the <code><embed></code> tag. |
| <p> |
| <li>AppletViewer ignores the "src" attribute that is usually part of an |
| <code><embed></code> tag. |
| <p> |
| <li>Either <code>code</code> or <code>object</code> is specified, not both. |
| <p> |
| <li>The optional <code>codebase</code> attribute supplies a relative URL that |
| specifies the location of the applet class. |
| <p> |
| <li>The <code>type</code> attribute is not used by AppletViewer, but should be |
| present so that browsers load the plugin properly.<br> |
| For an applet, the value should be something like:<br> |
| <code> |
| <type="application/x-java-applet;version=1.1">... |
| </code><br> |
| or<br> |
| <code> |
| <type="application/x-java-applet">... |
| </code><br><br> |
| For a serialized object or JavaBean, the <code>type</code> param |
| value should be something like:<br> |
| <code> |
| <type="application/x-java-bean;version=1.1">... |
| </code><br> |
| or<br> |
| <code> |
| <type="application/x-java-bean">... |
| </code> |
| <p> |
| <li>The "pluginspage" attribute is not used by AppletViewer, but should be |
| present so that browsers load the plugin properly. It should point to a Java plugin |
| in a network <b>cab</b> file with a value like:<br> |
| <code> |
| pluginspage="http://java.sun.com/products/plugin/1.1/jinstall-11-win32.cab#Version=1,1,0,0" |
| </code> |
| </ul> |
| </blockquote> |
| <p> |
| <b>applet</b><br> |
| <blockquote> |
| The <code>applet</code> tag is the original HTML 3.2 tag for |
| embedding an applet in an HTML page. Applets loaded using the |
| <code>applet</code> tag are run by the browser, which may not |
| be using the latest version of the Java platform. To ensure that |
| the applet runs with the latest version, use the <code>object</code> |
| tag to load the Java plugin into the browser. The plugin will then |
| run the applet. |
| <pre> |
| <applet |
| code="<i>yourClass.class</i>" |
| object="<i>serializedObjectOrJavaBean</i>" |
| codebase="<i>classFileDirectory</i>" |
| width="<i>pixelWidth</i>" |
| height="<i>pixelHeight</i>" |
| > |
| <param name="<i>...</i>" value="<i>...</i>"> |
| ... |
| <i>alternate-text</i> |
| </applet> |
| </pre> |
| <b>Notes:</b><br> |
| <ul> |
| <li>Either <code>code</code> or <code>object</code> is specified, not both. |
| <p> |
| <li>The optional <code>codebase</code> attribute supplies a relative URL that |
| specifies the location of the applet class. |
| <p> |
| <li>Param tags supply argument values for applet parameters. |
| </ul> |
| </blockquote> |
| <p> |
| <b>app</b><br> |
| <blockquote> |
| The <code>app</code> tag was a short-lived abbreviation for |
| <code>applet</code> that is no longer supported. AppletViewer |
| translates the tag and prints out an equivalent tag that is supported. |
| <pre> |
| <app |
| class="<i>classFileName</i>" (<i>without</i> a .class suffix) |
| src="<i>classFileDirectory</i>" |
| width="<i>pixelWidth</i>" |
| height="<i>pixelHeight</i>" |
| > |
| <param name="..." value="..."> |
| ... |
| </app> |
| </pre> |
| </blockquote> |
| |
| For more information on the tags that AppletViewer supports and<br> |
| how to combine them, see the |
| <a href="http://java.sun.com/products/plugin/1.3/docs/tags.html">Java |
| PlugIn HTML Specification</a>. |
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