exampletagbase.java

来自「《J2EE企业级应用开发》一书的配套源代码」· Java 代码 · 共 52 行

package examples;

import javax.servlet.jsp.*;
import javax.servlet.jsp.tagext.*;

public abstract class ExampleTagBase extends BodyTagSupport {

    public void setParent(Tag parent) {
        this.parent = parent;
    }

    public void setBodyContent(BodyContent bodyOut) {
        this.bodyOut = bodyOut;
    }

    public void setPageContext(PageContext pageContext) {
        this.pageContext = pageContext;
    }

    public Tag getParent() {
        return this.parent;
    }
    
    public int doStartTag() throws JspException {
        return SKIP_BODY;
    }

    public int doEndTag() throws JspException {
        return EVAL_PAGE;
    }
    

    // Default implementations for BodyTag methods as well
    // just in case a tag decides to implement BodyTag.
    public void doInitBody() throws JspException {
    }

    public int doAfterBody() throws JspException {
        return SKIP_BODY;
    }

    public void release() {
        bodyOut = null;
        pageContext = null;
        parent = null;
    }
    
    protected BodyContent bodyOut;
    protected PageContext pageContext;
    protected Tag parent;
}