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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 */
package org.apache.myfaces.commons.util;

import javax.faces.component.UIComponent;
import javax.faces.component.UIViewRoot;

/**
 * 
 * @author Leonardo Uribe
 * @since 1.0.2
 *
 */
public class DebugUtils
{
    /**
     * Provide debug information about the path of a component
     * 
     * @param component
     * @return
     */
    public static String getPathToComponent(UIComponent component)
    {
        StringBuffer buf = new StringBuffer();

        if(component == null)
        {
            buf.append("{Component-Path : ");
            buf.append("[null]}");
            return buf.toString();
        }

        getPathToComponent(component,buf);

        buf.insert(0,"{Component-Path : ");
        buf.append("}");

        return buf.toString();
    }

    private static void getPathToComponent(UIComponent component, StringBuffer buf)
    {
        if(component == null)
        {
            return;
        }

        StringBuffer intBuf = new StringBuffer();

        intBuf.append("[Class: ");
        intBuf.append(component.getClass().getName());
        if(component instanceof UIViewRoot)
        {
            intBuf.append(",ViewId: ");
            intBuf.append(((UIViewRoot) component).getViewId());
        }
        else
        {
            intBuf.append(",Id: ");
            intBuf.append(component.getId());
        }
        intBuf.append("]");

        buf.insert(0,intBuf.toString());

        getPathToComponent(component.getParent(), buf);
    }

}




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