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https://stackoverflow.com/questions/29671195/why-getbodycontent-getstring-return-empty-value-in-jstl-custom-tag-developme
I am using BodyTagSupport when I try to retrive body of my custom tag using getBodyContent() method of BodyTagSupport class I got empty value of getBodyContent().getString() evn though my tag has body.Is there any way to get bodycontent of my custom tag (using BodyTagSupport not SimpleTagSupport)?
https://www.oreilly.com/library/view/java-server-pages/156592746X/re14.html
Returns SKIP_BODY. public int doEndTag( ) throws JspException. Returns EVAL_PAGE. public void doInitBody( ) This method currently does nothing. You should override this method in a class that extends BodyTagSupport to perform initialization. public BodyContent getBodyContent( ) Returns the BodyContent object assigned to this instance.
https://docs.oracle.com/javaee/1.4/api/javax/servlet/jsp/tagext/BodyTagSupport.html
BodyTagSupport public BodyTagSupport() Default constructor, all subclasses are required to only define 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.
https://docs.oracle.com/javaee/1.2.1/api/javax/servlet/jsp/tagext/BodyTagSupport.html
getBodyContent() Get current bodyContent JspWriter: getPreviousOut() Get surrounding out: void: release() reset the state of the Tag: void: setBodyContent(BodyContent b) Prepare for evaluation of the body It will be invoked at most once per action invocation.
https://www.roseindia.net/jsp/body-tag-support-example.shtml
getBodyContent() - it gets current bodyContent This example will illustrate you how to make custom tags in JSP along with implementation of BodyTagSupport's methods. To make custom tags in JSP and to use them, we have made an application which have <tbl:stag> </tbl:stag> tag which is being used to convert all contents of body of the tag to ...
http://docs.coreservlets.com/servlet-3.0-api/javax/servlet/jsp/tagext/BodyTagSupport.html
BodyTagSupport public BodyTagSupport() Default constructor, all subclasses are required to only define 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.
http://web.mit.edu/dspace-dev/tools/resin/doc/javadoc/javax/servlet/jsp/tagext/BodyTagSupport.html
getBodyContent() Returns the tag's body content. JspWriter: getPreviousOut() Returns the enclosing writer. void: release() Release the tag. void: setBodyContent(BodyContent bodyContent) Called by the JSP engine just before calling doInitBody().
https://tomcat.apache.org/tomcat-5.5-doc/jspapi/javax/servlet/jsp/tagext/BodyTagSupport.html
BodyTagSupport public BodyTagSupport() Default constructor, all subclasses are required to only define 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.
https://coderanch.com/t/423353/certification/BodyTagSupport-return-values
1. If doStartTag() return EVAL_BODY_INCLUDE Body is Evaluated and doAfterBody() is called. setBodyContent() and doInitBody() is Not called. This is OK 2. If doStartTag() return EVAL_BODY_BUFFERED Body is Not Evaluated and doAfterBody() is Not called But, setBodyContent() and doInitBody() is called.
https://docs.oracle.com/javaee/6/api/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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