jdk8-mips64-public/jaxws: src/share/jaxws_classes/com/sun/xml/internal/rngom/digested/DContainerPattern.java@373ffda63c9a

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http://hg.openjdk.java.net/jdk8u/jdk8u/jaxws/
changeset: 657:d47a47f961ee
tag: jdk8u25-b17

     1 /*

     2  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.  Oracle designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Oracle in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

    17  * You should have received a copy of the GNU General Public License version

    18  * 2 along with this work; if not, write to the Free Software Foundation,

    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20  *

    21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    22  * or visit www.oracle.com if you need additional information or have any

    23  * questions.

    24  */

    25 /*

    26  * Copyright (C) 2004-2011

    27  *

    28  * Permission is hereby granted, free of charge, to any person obtaining a copy

    29  * of this software and associated documentation files (the "Software"), to deal

    30  * in the Software without restriction, including without limitation the rights

    31  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

    32  * copies of the Software, and to permit persons to whom the Software is

    33  * furnished to do so, subject to the following conditions:

    34  *

    35  * The above copyright notice and this permission notice shall be included in

    36  * all copies or substantial portions of the Software.

    37  *

    38  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

    39  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

    40  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

    41  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

    42  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

    43  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN

    44  * THE SOFTWARE.

    45  */

    46 package com.sun.xml.internal.rngom.digested;

    48 import java.util.Iterator;

    51 /**

    52  * A pattern that can contain other patterns.

    53  *

    54  * @author Kohsuke Kawaguchi (kk@kohsuke.org)

    55  */

    56 public abstract class DContainerPattern extends DPattern implements Iterable<DPattern> {

    57     private DPattern head;

    58     private DPattern tail;

    60     public DPattern firstChild() {

    61         return head;

    62     }

    64     public DPattern lastChild() {

    65         return tail;

    66     }

    68     public int countChildren() {

    69         int i=0;

    70         for( DPattern p=firstChild(); p!=null; p=p.next)

    71             i++;

    72         return i;

    73     }

    75     public Iterator<DPattern> iterator() {

    76         return new Iterator<DPattern>() {

    77             DPattern next = head;

    78             public boolean hasNext() {

    79                 return next!=null;

    80             }

    82             public DPattern next() {

    83                 DPattern r = next;

    84                 next = next.next;

    85                 return r;

    86             }

    88             public void remove() {

    89                 throw new UnsupportedOperationException();

    90             }

    91         };

    92     }

    94     void add( DPattern child ) {

    95         if(tail==null) {

    96             child.prev = child.next = null;

    97             head = tail = child;

    98         } else {

    99             child.prev = tail;

   100             tail.next = child;

   101             child.next = null;

   102             tail = child;

   103         }

   104     }

   105 }

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