/*
    * 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.internal.taglib;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import javax.servlet.jsp.JspException;
  import javax.servlet.jsp.tagext.BodyContent;
  import javax.servlet.jsp.tagext.BodyTag;
  
  public abstract class TobagoBodyTag extends TobagoTag implements BodyTag {
  
    private static final Logger LOG = LoggerFactory.getLogger(TobagoBodyTag.class);
  
    private BodyContent bodyContent;
  
    public int doAfterBody() throws JspException {
      return getDoAfterBodyValue();
    }
  
    public void doInitBody() throws JspException {
    }
  
    protected String getBodyContentStr() {
      String content = bodyContent.getString();
      bodyContent.clearBody();
      return content;
    }
  
    protected boolean isBodyContentEmpty() {
      if (bodyContent != null) {
        String content = bodyContent.getString();
        String tmp = content.replace('\n', ' ');
        if (tmp.trim().length() > 0) { // if there are only whitespaces: drop bodyContent
          return false;
        }
      }
      return true;
    }
  
    protected int getDoStartValue() throws JspException {
      return BodyTag.EVAL_BODY_BUFFERED;
    }
  
    protected int getDoAfterBodyValue() throws JspException {
      return BodyTag.SKIP_BODY;
    }
  
    public void release() {
      super.release();
      bodyContent = null;
    }
  
    public void setBodyContent(BodyContent bodyContent) {
      this.bodyContent = bodyContent;
    }
  }