J2meComponentTag.java

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package j2meDemo.taglib;

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

import j2meDemo.util.Util;

/** Top level tag handler class for other tags. */
public abstract class J2meComponentTag extends UIComponentTag {
    private String value;
    private String action;

    public void setValue(String newValue) {
        value = newValue;
    }

    public void setAction(String newValue) {
        action = newValue;
    }

    public void setProperties(UIComponent component) {
        super.setProperties(component);

        if (value != null) {
            if (isValueReference(value)) {
                ValueBinding vb = Util.getValueBinding(value);
                component.setValueBinding("value", vb);
            } else {
                component.getAttributes().put("value", value);
            }
        }

        if (action != null) {
            if (isValueReference(action)) {
                MethodBinding mb = FacesContext.getCurrentInstance().
                      getApplication().createMethodBinding(action, null);
                component.getAttributes().put("action", mb);
            } else {
                MethodBinding mb = Util.createConstantMethodBinding(action);
                component.getAttributes().put("action", mb);
            }
        }
    }

    public void release() {
        value = null;
        action = null;
    }
}