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    1   /*
    2    * Licensed to the Apache Software Foundation (ASF) under one
    3    * or more contributor license agreements.  See the NOTICE file
    4    * distributed with this work for additional information
    5    * regarding copyright ownership.  The ASF licenses this file
    6    * to you under the Apache License, Version 2.0 (the
    7    * "License"); you may not use this file except in compliance
    8    * with the License.  You may obtain a copy of the License at
    9    *
    10   *   http://www.apache.org/licenses/LICENSE-2.0
    11   *
    12   * Unless required by applicable law or agreed to in writing,
    13   * software distributed under the License is distributed on an
    14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    15   * KIND, either express or implied.  See the License for the
    16   * specific language governing permissions and limitations
    17   * under the License.
    18   */
    19  package org.apache.myfaces.orchestra.lib.jsf;
    20
    21  import javax.faces.component.StateHolder;
    22  import javax.faces.component.UIComponent;
    23  import javax.faces.context.FacesContext;
    24  import javax.faces.convert.Converter;
    25  import javax.faces.convert.ConverterException;
    26
    27  public class StatefulConverter implements Converter, StateHolder
    28  {
    29      int count = 17;
    30      public Object getAsObject(FacesContext context, UIComponent component, String value) throws ConverterException
    31      {
    32          ++count;
    33          return value.toUpperCase() + ":" + count;
    34      }
    35
    36      public String getAsString(FacesContext context, UIComponent component, Object value) throws ConverterException
    37      {
    38          ++count;
    39          if (value == null)
    40              return null;
    41          else
    42              return value.toString().toUpperCase() + ":" + count;
    43      }
    44
    45      public boolean isTransient()
    46      {
    47          return false;
    48      }
    49
    50      public void restoreState(FacesContext context, Object oldState)
    51      {
    52          Object[] state = (Object[]) oldState;
    53          count = ((Integer) state[0]).intValue();
    54      }
    55
    56      public Object saveState(FacesContext context)
    57      {
    58          Object[] state = new Object[1];
    59          state[0] = new Integer(count);
    60          return state;
    61      }
    62
    63      public void setTransient(boolean newTransientValue)
    64      {
    65      }
    66  }