find JSF Parent Form - Java JSF

Java examples for JSF:Form

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Description

find JSF Parent Form

Demo Code

/*//from  www  . java  2  s . co  m
 * Copyright 2009 Prime Technology.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import javax.el.ValueExpression;
import javax.faces.FacesException;
import javax.faces.component.EditableValueHolder;
import javax.faces.component.UIComponent;
import javax.faces.component.UIForm;
import javax.faces.component.UISelectItem;
import javax.faces.component.UISelectItems;
import javax.faces.component.ValueHolder;
import javax.faces.context.FacesContext;
import javax.faces.convert.Converter;
import javax.faces.model.SelectItem;

public class Main{
    private static String TRINIDAD_FORM_FAMILY = "org.apache.myfaces.trinidad.Form";
    public static UIComponent findParentForm(FacesContext context,
            UIComponent component) {
        UIComponent parent = component.getParent();

        while (parent != null) {
            if (parent instanceof UIForm)
                return parent;

            if (parent.getFamily().equals(TRINIDAD_FORM_FAMILY))
                return parent;

            parent = parent.getParent();
        }

        return null;
    }
}

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