pagetitletag.java

java 写的一个新闻发布系统

package org.jahia.taglibs.field.page;

import org.jahia.data.JahiaData;
import java.util.HashMap;
import javax.servlet.*;


/**
 * Class PageTitleTag : displays the title of the current page field;
 *                      This tag must be enclosed in the PageFieldTag.
 *
 * @author  Jerome Tamiotti
 */
public class PageTitleTag extends PageFieldAbstract {
 
    private int maxchar = 0;
    
    public void setMaxchar(int maxchar) {
        this.maxchar = maxchar;
    }

	public String getField() {

  		ServletRequest request = pageContext.getRequest();
        JahiaData jData = (JahiaData) request.getAttribute("org.jahia.data.JahiaData");
        if (jData == null) {
            HashMap tempEngineMap = (HashMap) request.getAttribute("org.jahia.engines.EngineHashMap");
            jData                 = (JahiaData) tempEngineMap.get("jData");
        }
  		if (this.maxchar == 0) {
            return thePage.getTitle();
        } else {
		    return jData.gui().glueTitle(thePage.getTitle(), this.maxchar);
		}
   	}	

}