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    1   /*
    2    * $Id: ProcessValidationsInterceptor.java 471756 2006-11-06 15:01:43Z husted $
    3    *
    4    * Licensed to the Apache Software Foundation (ASF) under one
    5    * or more contributor license agreements.  See the NOTICE file
    6    * distributed with this work for additional information
    7    * regarding copyright ownership.  The ASF licenses this file
    8    * to you under the Apache License, Version 2.0 (the
    9    * "License"); you may not use this file except in compliance
    10   * with the License.  You may obtain a copy of the License at
    11   *
    12   *  http://www.apache.org/licenses/LICENSE-2.0
    13   *
    14   * Unless required by applicable law or agreed to in writing,
    15   * software distributed under the License is distributed on an
    16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    17   * KIND, either express or implied.  See the License for the
    18   * specific language governing permissions and limitations
    19   * under the License.
    20   */
    21  package org.apache.struts2.jsf;
    22
    23  import javax.faces.FacesException;
    24  import javax.faces.context.FacesContext;
    25  import javax.faces.event.PhaseId;
    26
    27  /***
    28   * Processes validations on the component tree
    29   */
    30  public class ProcessValidationsInterceptor extends FacesInterceptor {
    31
    32      private static final long serialVersionUID = 8785236570688278147L;
    33
    34      /***
    35       * Process Validations (JSF.2.2.3)
    36       *
    37       * @param viewId
    38       *            The view id
    39       * @param facesContext
    40       *            The faces context
    41       * @return true, if response is complete
    42       */
    43      protected boolean executePhase(String viewId, FacesContext facesContext)
    44              throws FacesException {
    45          boolean skipFurtherProcessing = false;
    46          if (log.isTraceEnabled())
    47              log.trace("entering processValidations");
    48
    49          informPhaseListenersBefore(facesContext, PhaseId.PROCESS_VALIDATIONS);
    50
    51          try {
    52                  if (isResponseComplete(facesContext, "processValidations", true)) {
    53                      // have to return right away
    54                      return true;
    55                  }
    56                  if (shouldRenderResponse(facesContext, "processValidations", true)) {
    57                      skipFurtherProcessing = true;
    58                  }
    59
    60                  facesContext.getViewRoot().processValidators(facesContext);
    61          } finally {
    62              informPhaseListenersAfter(facesContext, PhaseId.PROCESS_VALIDATIONS);
    63          }
    64
    65          if (isResponseComplete(facesContext, "processValidations", false)
    66                  || shouldRenderResponse(facesContext, "processValidations",
    67                          false)) {
    68              // since this phase is completed we don't need to return right away
    69              // even if the response is completed
    70              skipFurtherProcessing = true;
    71          }
    72
    73          if (!skipFurtherProcessing && log.isTraceEnabled())
    74              log.trace("exiting processValidations");
    75          return skipFurtherProcessing;
    76      }
    77  }