ParamTag.java

package humanize.taglibs;

import javax.servlet.jsp.JspException;
import javax.servlet.jsp.JspTagException;
import javax.servlet.jsp.tagext.BodyTagSupport;
import javax.servlet.jsp.tagext.Tag;

import org.apache.taglibs.standard.resources.Resources;
import org.apache.taglibs.standard.tag.common.fmt.HumanizeMessageSupport;

/**
 * <p>
 * A handler for <param> that supports rtexprvalue-based message
 * arguments.
 * </p>
 * 
 * @author Jan Luehe
 */

public class ParamTag extends BodyTagSupport
{

    private static final long serialVersionUID = -4456345915979081598L;

    // XXX ParamSupport
    protected Object value;

    /*    */protected boolean valueSpecified;
    /*    */
    /*    */public ParamTag()
    /*    */
    {

        /* 49 */init();
        /*    */}

    /*    */
    /*    */public int doEndTag()
            /*    */throws JspException
    /*    */
    {

        /* 63 */Tag t = findAncestorWithClass(this, HumanizeMessageSupport.class);
        /* 64 */if (t == null)
        {
            /* 65 */throw new JspTagException(Resources.getMessage("PARAM_OUTSIDE_MESSAGE"));
            /*    */}
        /*    */
        /* 68 */HumanizeMessageSupport parent = (HumanizeMessageSupport) t;
        /*    */
        /* 75 */Object input = null;
        /*    */
        /* 77 */if (this.valueSpecified)
        /*    */
        {
            /* 79 */input = this.value;
            /*    */}
        /*    */else
        /*    */{
            /* 83 */input = this.bodyContent.getString().trim();
            /*    */}
        /* 85 */parent.addParam(input);
        /*    */
        /* 87 */return EVAL_PAGE;
        /*    */}

    /*    */
    /*    */public void release()
    /*    */
    {

        /* 92 */init();
        /*    */}

    // for tag attribute
    public void setValue(Object value) throws JspTagException
    {

        this.value = value;
        this.valueSpecified = true;

    }

    /*    */
    /*    */private void init()
    {

        /* 53 */this.value = null;
        /* 54 */this.valueSpecified = false;
        /*    */}

}