Package org.apache.myfaces.tobago.renderkit.html.standard.standard.tag

Source Code of org.apache.myfaces.tobago.renderkit.html.standard.standard.tag.SheetPageCommandRenderer

/*
* 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.tobago.renderkit.html.standard.standard.tag;

import org.apache.myfaces.tobago.event.PageAction;
import org.apache.myfaces.tobago.event.PageActionEvent;
import org.apache.myfaces.tobago.internal.util.FacesContextUtils;
import org.apache.myfaces.tobago.util.ComponentUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import java.util.Map;

public class SheetPageCommandRenderer extends LinkRenderer {

  private static final Logger LOG = LoggerFactory.getLogger(SheetPageCommandRenderer.class);

  @Override
  public void decode(final FacesContext facesContext, final UIComponent component) {
    final String actionId = FacesContextUtils.getActionId(facesContext);
    final String clientId = component.getClientId(facesContext);
    if (LOG.isDebugEnabled()) {
      LOG.debug("actionId = '" + actionId + "'");
      LOG.debug("clientId = '" + clientId + "'");
    }
    if (actionId != null && actionId.equals(clientId)) {

      final PageAction action;
      try {
        action = PageAction.parse(component.getId());
      } catch (final Exception e) {
        LOG.error("Illegal value for PageAction :" + component.getId());
        return;
      }
      final PageActionEvent event = new PageActionEvent(component.getParent(), action);

      switch (action) {
        case TO_PAGE:
        case TO_ROW:
          final Map map = facesContext.getExternalContext().getRequestParameterMap();
          final Object value = map.get(clientId + ComponentUtils.SUB_SEPARATOR + "value");
          try {
            event.setValue(Integer.parseInt((String) value));
          } catch (final NumberFormatException e) {
            LOG.error("Can't parse integer value for action " + action.name() + ": " + value);
          }
          break;
        default:
          // nothing more to do
      }
      component.queueEvent(event);
    }
  }
}
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