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annotate src/org/eclipse/jetty/server/HandlerContainer.java @ 840:0f53601ea489

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author Franklin Schmidt <fschmidt@gmail.com>
date Mon, 19 Sep 2016 14:20:18 -0600
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1 //
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2 // ========================================================================
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3 // Copyright (c) 1995-2014 Mort Bay Consulting Pty. Ltd.
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4 // ------------------------------------------------------------------------
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5 // All rights reserved. This program and the accompanying materials
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6 // are made available under the terms of the Eclipse Public License v1.0
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7 // and Apache License v2.0 which accompanies this distribution.
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8 //
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9 // The Eclipse Public License is available at
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10 // http://www.eclipse.org/legal/epl-v10.html
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11 //
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12 // The Apache License v2.0 is available at
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13 // http://www.opensource.org/licenses/apache2.0.php
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14 //
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15 // You may elect to redistribute this code under either of these licenses.
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16 // ========================================================================
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17 //
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18
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19 package org.eclipse.jetty.server;
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20
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21 import org.eclipse.jetty.util.component.LifeCycle;
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22
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23 /**
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24 * A Handler that contains other Handlers.
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25 * <p>
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26 * The contained handlers may be one (see @{link {@link org.eclipse.jetty.server.handler.HandlerWrapper})
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27 * or many (see {@link org.eclipse.jetty.server.handler.HandlerList} or {@link org.eclipse.jetty.server.handler.HandlerCollection}.
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28 *
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29 */
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30 public interface HandlerContainer extends LifeCycle
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31 {
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32 /* ------------------------------------------------------------ */
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33 /**
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34 * @return array of handlers directly contained by this handler.
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35 */
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36 public Handler[] getHandlers();
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37
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38 /* ------------------------------------------------------------ */
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39 /**
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40 * @return array of all handlers contained by this handler and it's children
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41 */
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42 public Handler[] getChildHandlers();
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43
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44 /* ------------------------------------------------------------ */
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45 /**
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46 * @param byclass
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47 * @return array of all handlers contained by this handler and it's children of the passed type.
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48 */
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49 public Handler[] getChildHandlersByClass(Class<?> byclass);
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50
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51 /* ------------------------------------------------------------ */
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52 /**
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53 * @param byclass
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54 * @return first handler of all handlers contained by this handler and it's children of the passed type.
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55 */
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56 public <T extends Handler> T getChildHandlerByClass(Class<T> byclass);
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57 }