001// ***************************************************************************************************************************
002// * Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file *
003// * distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file        *
004// * to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance            *
005// * with the License.  You may obtain a copy of the License at                                                              *
006// *                                                                                                                         *
007// *  http://www.apache.org/licenses/LICENSE-2.0                                                                             *
008// *                                                                                                                         *
009// * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an  *
010// * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the        *
011// * specific language governing permissions and limitations under the License.                                              *
012// ***************************************************************************************************************************
013package org.apache.juneau.html;
014
015import java.lang.reflect.*;
016import java.util.*;
017
018import org.apache.juneau.serializer.*;
019
020/**
021 * Session object that lives for the duration of a single use of {@link HtmlStrippedDocSerializer}.
022 *
023 * <p>
024 * This class is NOT thread safe.  It is meant to be discarded after one-time use.
025 */
026public class HtmlStrippedDocSerializerSession extends HtmlSerializerSession {
027
028   /**
029    * Create a new session using properties specified in the context.
030    *
031    * @param ctx
032    *    The context creating this session object.
033    *    The context contains all the configuration settings for this object.
034    * @param args
035    *    Runtime arguments.
036    */
037   protected HtmlStrippedDocSerializerSession(HtmlStrippedDocSerializer ctx, SerializerSessionArgs args) {
038      super(ctx, args);
039   }
040
041   @Override /* SerializerSession */
042   protected void doSerialize(SerializerPipe out, Object o) throws Exception {
043      try (HtmlWriter w = getHtmlWriter(out)) {
044         if (o == null
045            || (o instanceof Collection && ((Collection<?>)o).size() == 0)
046            || (o.getClass().isArray() && Array.getLength(o) == 0))
047            w.sTag(1, "p").append("No Results").eTag("p").nl(1);
048         else
049            super.doSerialize(out, o);
050      }
051   }
052}