    001/*
    002    Licensed to the Apache Software Foundation (ASF) under one
    003    or more contributor license agreements.  See the NOTICE file
    004    distributed with this work for additional information
    005    regarding copyright ownership.  The ASF licenses this file
    006    to you under the Apache License, Version 2.0 (the
    007    "License"); you may not use this file except in compliance
    008    with the License.  You may obtain a copy of the License at
    009
    010       http://www.apache.org/licenses/LICENSE-2.0
    011
    012    Unless required by applicable law or agreed to in writing,
    013    software distributed under the License is distributed on an
    014    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    015    KIND, either express or implied.  See the License for the
    016    specific language governing permissions and limitations
    017    under the License.
    018 */
    019package org.apache.wiki.tags;
    020
    021import java.io.IOException;
    022import java.util.Collection;
    023import javax.servlet.jsp.PageContext;
    024
    025
    026/**
    027 *  Includes the body content, if there are any search results.
    028 *
    029 *  @since 2.0
    030 */
    031public class SearchResultsTag extends WikiTagBase {
    032    private static final long serialVersionUID = 0L;
    033
    034    @Override
    035    public final int doWikiStartTag() throws IOException {
    036        final Collection< ? > list = ( Collection< ? > )pageContext.getAttribute( "searchresults", PageContext.REQUEST_SCOPE );
    037
    038        if( list != null ) {
    039            return EVAL_BODY_INCLUDE;
    040        }
    041
    042        final String message = (String)pageContext.getAttribute( "err", PageContext.REQUEST_SCOPE );
    043
    044        if( message != null ) {
    045            pageContext.getOut().print("<div class='error'>");
    046            pageContext.getOut().print( message );
    047            pageContext.getOut().println("</div>");
    048        }
    049
    050        return SKIP_BODY;
    051    }
    052
    053}