findbooksimpletag.java

来自「一个java写的加密算法」· Java 代码 · 共 38 行

/*
 * Copyright 2004-2005 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/**
 * Copyright (c) 1999 The Apache Software Foundation.  All rights 
 * reserved.
 */

package samples.webapps.simple.jsp2.examples.simpletag;

import javax.servlet.jsp.JspException;
import javax.servlet.jsp.tagext.SimpleTagSupport;
import java.util.HashMap;
import samples.webapps.simple.jsp2.examples.BookBean;

/**
 * SimpleTag handler that pretends to search for a book, and stores
 * the result in a scoped variable.
 */
public class FindBookSimpleTag extends SimpleTagSupport {
    private String var;
    
    private static final String BOOK_TITLE = "The Lord of the Rings";
    private static final String BOOK_AUTHOR = "J. R. R. Tolkein";
    private static final String BOOK_ISBN = "0618002251";

    public void doTag() throws JspException {
        BookBean book = new BookBean( BOOK_TITLE, BOOK_AUTHOR, BOOK_ISBN );
        getJspContext().setAttribute( this.var, book );
    }

    public void setVar( String var ) {
	this.var = var;
    }
}