find JSF Component By Id - Java JSF

Java examples for JSF:UIComponent

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Description

find JSF Component By Id

Demo Code

/*/*from   w  w w.  ja v a2 s.  c  o 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{
    public static UIComponent findComponentById(FacesContext context,
            UIComponent root, String id) {
        UIComponent component = null;

        for (int i = 0; i < root.getChildCount() && component == null; i++) {
            UIComponent child = root.getChildren().get(i);
            component = findComponentById(context, child, id);
        }

        if (root.getId() != null) {
            if (component == null && root.getId().equals(id)) {
                component = root;
            }
        }
        return component;
    }
}

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