foreachtei.java

来自「It gives some some of examples of java s」· Java 代码 · 共 54 行

package examples;

import javax.servlet.jsp.tagext.*;

/**
 * A TagExtraInfo class for the TagExtraInfo
 *
 * The tag is has 2 required attributes, row and in.
 * We assume that the taglibrary accurately describes this requirement.
 *
 * The value of row defines a scripting variable within the scope
 * of the tag.
 */

public class ForEachTEI extends TagExtraInfo {
  
    /**
     * Constructor
     */
    public ForEachTEI() {
	super();
    }

    /**
     * Define a nested variable for the ResultSet.
     */
    public VariableInfo[] getVariableInfo(TagData data) {
	String rowValue = data.getAttributeString("row");

	if (rowValue == null) {
	  throw new Error("TagLibrary inconsistency");
	}

	VariableInfo info
	  = new VariableInfo(rowValue,
			     "java.sql.ResultSet",
			     true,
			     VariableInfo.NESTED);
	VariableInfo[] back = { info } ;
	return back;
    }

    /**
     * No further checks.     */

    public boolean isValid(TagData data) {
	return true;
    }



}