relativecontainerlisttag.java

java 写的一个新闻发布系统

package org.jahia.taglibs.container;

import org.jahia.data.JahiaData;
import org.jahia.data.containers.JahiaContainerList;
import org.jahia.exceptions.JahiaException;


/**
 * Class RelativeContainerListTag : extends class ContainerListTag
 *
 * @author  Jerome Tamiotti
 */
public class RelativeContainerListTag extends ContainerListTag {

    private int windowSize = -1;
    private int windowOffset = -1;

    private int levelNb = 0;

    public void setLevelNb(int nb) {
        this.levelNb = nb;
    }

    public void setWindowSize(String windowSize) {
        try {
            this.windowSize = Integer.parseInt(windowSize);
        } catch (NumberFormatException nfe) {
            this.windowSize = -1;
        }
    }

    /*
    public int getWindowSize() {
        return this.windowSize;
    }
    */

    public void setWindowOffset(String windowOffset) {
        try {
            this.windowOffset = Integer.parseInt(windowOffset);
        } catch (NumberFormatException nfe) {
            this.windowOffset = -1;
        }
    }

    /*
    public int getWindowOffset() {
        return this.windowOffset;
    }
    */

    // redefines only the method allowing to read the container list

    // reads the container list from a container set
    protected JahiaContainerList getContainerList( JahiaData jData, String listName ) throws JahiaException {
        return jData.containers().getRelativeContainerList(listName, this.levelNb);
    }

}