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This is the master POM file for Oracle's Implementation of the JSF 2.2 Specification.

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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 * 
 * Copyright (c) 1997-2012 Oracle and/or its affiliates. All rights reserved.
 * 
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 * 
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
 * 
 * GPL Classpath Exception:
 * Oracle designates this particular file as subject to the "Classpath"
 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 * 
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
 * "Portions Copyright [year] [name of copyright owner]"
 * 
 * Contributor(s):
 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
 * only if the new code is made subject to such option by the copyright
 * holder.

 * This file incorporates work covered by the following copyright and
 * permission notice:
 *
 * Copyright 2005-2007 The Apache Software Foundation
 *
 * 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.


 */
package com.sun.faces.util;


import java.io.ObjectOutputStream;
import java.io.OutputStream;
import java.io.IOException;
import java.lang.reflect.Field;
import java.util.List;
import java.util.ArrayList;

/*
 * From: http://blog.crazybob.org/2007/02/debugging-serialization.html
 * 
 * Usage example:

                DebugObjectOutputStream out =
                        new DebugObjectOutputStream(oos);
                try {
                    out.writeObject(stateToWrite[1]);
                } catch (Exception e) {
                    DebugUtil.printState((Map)stateToWrite[1], LOGGER);
                    throw new FacesException(
                            "Serialization error. Path to offending instance: " 
                            + out.getStack(), e);
                }            

 
 
 * 
 * 
 */

public class DebugObjectOutputStream
    extends ObjectOutputStream {

  private static final Field DEPTH_FIELD;
  static {
    try {
      DEPTH_FIELD = ObjectOutputStream.class
          .getDeclaredField("depth");
      DEPTH_FIELD.setAccessible(true);
    } catch (NoSuchFieldException e) {
      throw new AssertionError(e);
    }
  }

  final List stack
      = new ArrayList<>();

  /**
   * Indicates whether or not OOS has tried to
   * write an IOException (presumably as the
   * result of a serialization error) to the
   * stream.
   */
  boolean broken = false;

  public DebugObjectOutputStream(
      OutputStream out) throws IOException {
    super(out);
    enableReplaceObject(true);
  }

  /**
   * Abuse {@code replaceObject()} as a hook to
   * maintain our stack.
   */
  @Override
  protected Object replaceObject(Object o) {
    // ObjectOutputStream writes serialization
    // exceptions to the stream. Ignore
    // everything after that so we don't lose
    // the path to a non-serializable object. So
    // long as the user doesn't write an
    // IOException as the root object, we're OK.
    int currentDepth = currentDepth();
    if (o instanceof IOException
        && currentDepth == 0) {
      broken = true;
    }
    if (!broken) {
      truncate(currentDepth);
      stack.add(o);
    }
    return o;
  }

  private void truncate(int depth) {
    while (stack.size() > depth) {
      pop();
    }
  }

  private Object pop() {
    return stack.remove(stack.size() - 1);
  }

  /**
   * Returns a 0-based depth within the object
   * graph of the current object being
   * serialized.
   */
  private int currentDepth() {
    try {
      Integer oneBased
          = ((Integer) DEPTH_FIELD.get(this));
      return oneBased - 1;
    } catch (IllegalAccessException e) {
      throw new AssertionError(e);
    }
  }

  /**
   * Returns the path to the last object
   * serialized. If an exception occurred, this
   * should be the path to the non-serializable
   * object.
   */
  public List getStack() {
    return stack;
  }
}
    

    

    

                
 
            

    

                
 
            



    
    






    
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