maptag.java

来自「一个java写的加密算法」· Java 代码 · 共 143 行

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

package components.taglib;


import components.components.MapComponent;
import components.renderkit.Util;

import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.el.MethodBinding;
import javax.faces.el.ValueBinding;
import javax.faces.event.ActionEvent;
import javax.faces.webapp.UIComponentTag;


/**
 * <p>{@link UIComponentTag} for an image map.</p>
 */

public class MapTag extends UIComponentTag {


    private String current = null;


    public void setCurrent(String current) {
        this.current = current;
    }


    private String actionListener = null;


    public void setActionListener(String actionListener) {
        this.actionListener = actionListener;
    }


    private String action = null;


    public void setAction(String action) {
        this.action = action;
    }


    private String immediate = null;


    public void setImmediate(String immediate) {
        this.immediate = immediate;
    }


    private String styleClass = null;


    public void setStyleClass(String styleClass) {
        this.styleClass = styleClass;
    }


    public String getComponentType() {
        return ("DemoMap");
    }


    public String getRendererType() {
        return ("DemoMap");
    }


    public void release() {
        super.release();
        current = null;
        styleClass = null;
        actionListener = null;
        action = null;
        immediate = null;
        styleClass = null;
    }


    protected void setProperties(UIComponent component) {
        super.setProperties(component);
        MapComponent map = (MapComponent) component;
        //        if (current != null) {
        //            map.setCurrent(current);
        //        }
        if (styleClass != null) {
            if (isValueReference(styleClass)) {
                ValueBinding vb = FacesContext.getCurrentInstance()
                    .getApplication().
                    createValueBinding(styleClass);
                map.setValueBinding("styleClass", vb);
            } else {
                map.getAttributes().put("styleClass", styleClass);
            }
        }
        if (actionListener != null) {
            if (isValueReference(actionListener)) {
                Class args[] = {ActionEvent.class};
                MethodBinding mb = FacesContext.getCurrentInstance()
                    .getApplication()
                    .createMethodBinding(actionListener, args);
                map.setActionListener(mb);
            } else {
                Object params [] = {actionListener};
                throw new javax.faces.FacesException();
            }
        }

        if (action != null) {
            if (isValueReference(action)) {
                MethodBinding vb = FacesContext.getCurrentInstance()
                    .getApplication()
                    .createMethodBinding(action, null);
                map.setAction(vb);
            } else {
                map.setAction(Util.createConstantMethodBinding(action));
            }
        }
        if (immediate != null) {
            if (isValueReference(immediate)) {
                ValueBinding vb = FacesContext.getCurrentInstance()
                    .getApplication().
                    createValueBinding(immediate);
                map.setValueBinding("immediate", vb);
            } else {
                boolean _immediate = new Boolean(immediate).booleanValue();
                map.setImmediate(_immediate);
            }
        }

    }


}