Jsp Tagsupport Reuse

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Tag Reuse - Resin

    http://www.caucho.com/resin-3.0/jsp/tutorial/taglib-reuse/index.xtp
    Tag libraries must follow important conventions for initializing tag fields. The JSP specification lets a JSP container, like Resin, reuse tag handler instances for efficiency and performance. Because this optimization restricts how tags can use fields, even experienced developers will …

javax.servlet.jsp.tagext (Java EE 6 ) - Oracle

    https://docs.oracle.com/javaee/6/api/javax/servlet/jsp/tagext/package-summary.html
    Package javax.servlet.jsp.tagext Description Classes and interfaces for the definition of JavaServer Pages Tag Libraries. Custom actions can be used by JSP authors and authoring tools to simplify writing JSP pages. A custom action can be either an empty or a non-empty action. An empty tag has no body.

TagSupport (Java EE 6 )

    https://docs.oracle.com/javaee/6/api/javax/servlet/jsp/tagext/TagSupport.html
    TagSupport public TagSupport() Default constructor, all subclasses are required to define only a public constructor with the same signature, and to call the superclass constructor. This constructor is called by the code generated by the JSP translator.

Tag (JavaServer Pages API Documentation)

    https://tomcat.apache.org/tomcat-5.5-doc/jspapi/javax/servlet/jsp/tagext/Tag.html
    public interface Tag extends JspTag. The interface of a classic tag handler that does not want to manipulate its body. The Tag interface defines the basic protocol between a Tag handler and JSP page implementation class. It defines the life cycle and the methods to be …

How can I reuse HTML/JSP within a page? - Stack Overflow

    https://stackoverflow.com/questions/2011013/how-can-i-reuse-html-jsp-within-a-page
    I'm new to JSP, and I'm trying to reduce a massive amount of cut-and-pasted code. On each page in the project, there are around 25 lines of mixed JSP,Struts tags,JSTL tags, and HTML, which have been cut and pasted at various points in the page.

java - How can I reuse code in JSP? - Stack Overflow

    https://stackoverflow.com/questions/6071614/how-can-i-reuse-code-in-jsp
    If you are running on a web framework e.g. JSF you may use Facelet templates or write a custom component for this. So the answer depends on what framework you have. Breaking it down to just JSP and JSTL - the included JSP or a javax.servlet.jsp.tagext.Tag would certainly reduce the duplication. Always be careful to follow the DRY Principle...

Encapsulate reusable functionality in JSP tags JavaWorld

    https://www.javaworld.com/article/2076145/encapsulate-reusable-functionality-in-jsp-tags.html
    JavaServer Pages (JSP) are a great mechanism for delivering dynamic Web-based content. JSP provides a set of predefined tags, but you can also define your own tag extensions that encapsulate common functionality. This article will show how easy it is to build, deploy, and use your own custom JSP tag, using the Servlet/JSP reference implementation, Tomcat. (1,700 words)

Apache Struts API Documentation: Class InsertTag

    https://svn.apache.org/repos/asf/struts/archive/trunk/struts-doc-1.0.2/api/org/apache/struts/taglib/template/InsertTag.html
    public int doStartTag() throws javax.servlet.jsp.JspException Process the start tag by pushing this tag's map onto the content map stack. See org.apache.struts.taglib.template.util.ContentMapStack. Overrides: doStartTag in class javax.servlet.jsp.tagext.TagSupport

Custom Tags in JSP - javatpoint

    https://www.javatpoint.com/custom-tags
    Separation of business logic from JSP The custom tags separate the the business logic from the JSP page so that it may be easy to maintain. Re-usability The custom tags makes the possibility to reuse the same business logic again and again. Syntax to use custom tag . There are two ways to use the custom tag. They are given below:

Example of JSP Custom Tag - javatpoint

    https://www.javatpoint.com/example-of-jsp-custom-tag
    Create the JSP file that uses the Custom tag defined in the TLD file ; Understanding flow of custom tag in jsp 1) Create the Tag handler class. To create the Tag Handler, we are inheriting the TagSupport class and overriding its method doStartTag().To write data for the jsp, we need to use the JspWriter class.

javax.servlet.jsp.tagext (Java EE 6 ) - Oracle

    https://docs.oracle.com/javaee/6/api/javax/servlet/jsp/tagext/package-summary.html
    Package javax.servlet.jsp.tagext Description Classes and interfaces for the definition of JavaServer Pages Tag Libraries. Custom actions can be used by JSP authors and authoring tools to simplify writing JSP pages. A custom action can be either an empty or a non-empty action. An empty tag has no body.

TagSupport (Java EE 6 )

    https://docs.oracle.com/javaee/6/api/javax/servlet/jsp/tagext/TagSupport.html
    TagSupport public TagSupport() Default constructor, all subclasses are required to define only a public constructor with the same signature, and to call the superclass constructor. This constructor is called by the code generated by the JSP translator.

Tag Reuse - Resin

    http://www.caucho.com/resin-3.0/jsp/tutorial/taglib-reuse/index.xtp
    Tag libraries must follow important conventions for initializing tag fields. The JSP specification lets a JSP container, like Resin, reuse tag handler instances for efficiency and performance. Because this optimization restricts how tags can use fields, even experienced developers will …

Custom Tags in JSP - javatpoint

    https://www.javatpoint.com/custom-tags
    Separation of business logic from JSP The custom tags separate the the business logic from the JSP page so that it may be easy to maintain. Re-usability The custom tags makes the possibility to reuse the same business logic again and again. Syntax to use custom tag . There are two ways to use the custom tag. They are given below:

How can I reuse HTML/JSP within a page? - Stack Overflow

    https://stackoverflow.com/questions/2011013/how-can-i-reuse-html-jsp-within-a-page
    I'm new to JSP, and I'm trying to reduce a massive amount of cut-and-pasted code. On each page in the project, there are around 25 lines of mixed JSP,Struts tags,JSTL tags, and HTML, which have been cut and pasted at various points in the page.

Tag (JavaServer Pages API Documentation)

    https://tomcat.apache.org/tomcat-5.5-doc/jspapi/javax/servlet/jsp/tagext/Tag.html
    public interface Tag extends JspTag. The interface of a classic tag handler that does not want to manipulate its body. The Tag interface defines the basic protocol between a Tag handler and JSP page implementation class. It defines the life cycle and the methods to be …

Apache Struts API Documentation: Class InsertTag

    https://svn.apache.org/repos/asf/struts/archive/trunk/struts-doc-1.0.2/api/org/apache/struts/taglib/template/InsertTag.html
    public int doStartTag() throws javax.servlet.jsp.JspException Process the start tag by pushing this tag's map onto the content map stack. See org.apache.struts.taglib.template.util.ContentMapStack. Overrides: doStartTag in class javax.servlet.jsp.tagext.TagSupport

java - Id in TagSupport - Stack Overflow

    https://stackoverflow.com/questions/18010030/id-in-tagsupport
    When creating JSP-Tags I create sometimes an attribute "id" to set the element-id of the element created. For that id I also create a setter. Now I've found out that TagSupport already has an attribute "id" with it's dedicated setter and I override that method.

Encapsulate reusable functionality in JSP tags JavaWorld

    https://www.javaworld.com/article/2076145/encapsulate-reusable-functionality-in-jsp-tags.html
    JavaServer Pages (JSP) are a great mechanism for delivering dynamic Web-based content. JSP provides a set of predefined tags, but you can also define your own tag extensions that encapsulate common functionality. This article will show how easy it is to build, deploy, and use your own custom JSP tag, using the Servlet/JSP reference implementation, Tomcat. (1,700 words)

BodyTagSupport (JavaServer Pages API Documentation)

    https://tomcat.apache.org/tomcat-5.5-doc/jspapi/javax/servlet/jsp/tagext/BodyTagSupport.html
    public class BodyTagSupport extends TagSupport implements BodyTag. A base class for defining tag handlers implementing BodyTag. The BodyTagSupport class implements the BodyTag interface and adds additional convenience methods including getter methods for the bodyContent property and methods to get at the previous out JspWriter.



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