Jake Slack | 03928ae | 2014-05-13 18:41:56 -0700 | [diff] [blame] | 1 | // |
| 2 | // ======================================================================== |
| 3 | // Copyright (c) 1995-2014 Mort Bay Consulting Pty. Ltd. |
| 4 | // ------------------------------------------------------------------------ |
| 5 | // All rights reserved. This program and the accompanying materials |
| 6 | // are made available under the terms of the Eclipse Public License v1.0 |
| 7 | // and Apache License v2.0 which accompanies this distribution. |
| 8 | // |
| 9 | // The Eclipse Public License is available at |
| 10 | // http://www.eclipse.org/legal/epl-v10.html |
| 11 | // |
| 12 | // The Apache License v2.0 is available at |
| 13 | // http://www.opensource.org/licenses/apache2.0.php |
| 14 | // |
| 15 | // You may elect to redistribute this code under either of these licenses. |
| 16 | // ======================================================================== |
| 17 | // |
| 18 | |
| 19 | package org.eclipse.jetty.webapp; |
| 20 | |
| 21 | import java.net.URL; |
| 22 | |
| 23 | import org.eclipse.jetty.util.resource.Resource; |
| 24 | import org.eclipse.jetty.xml.XmlParser; |
| 25 | |
| 26 | public abstract class Descriptor |
| 27 | { |
| 28 | protected Resource _xml; |
| 29 | protected XmlParser.Node _root; |
| 30 | protected XmlParser _parser; |
| 31 | protected boolean _validating; |
| 32 | |
| 33 | public Descriptor (Resource xml) |
| 34 | { |
| 35 | _xml = xml; |
| 36 | } |
| 37 | |
| 38 | public abstract XmlParser newParser() |
| 39 | throws ClassNotFoundException; |
| 40 | |
| 41 | public abstract void ensureParser() |
| 42 | throws ClassNotFoundException; |
| 43 | |
| 44 | protected void redirect(XmlParser parser, String resource, URL source) |
| 45 | { |
| 46 | if (source != null) parser.redirectEntity(resource, source); |
| 47 | } |
| 48 | |
| 49 | |
| 50 | public void setValidating (boolean validating) |
| 51 | { |
| 52 | _validating = validating; |
| 53 | } |
| 54 | |
| 55 | public void parse () |
| 56 | throws Exception |
| 57 | { |
| 58 | if (_parser == null) |
| 59 | ensureParser(); |
| 60 | |
| 61 | if (_root == null) |
| 62 | { |
| 63 | try |
| 64 | { |
| 65 | _root = _parser.parse(_xml.getInputStream()); |
| 66 | } |
| 67 | finally |
| 68 | { |
| 69 | _xml.release(); |
| 70 | } |
| 71 | } |
| 72 | } |
| 73 | |
| 74 | public Resource getResource () |
| 75 | { |
| 76 | return _xml; |
| 77 | } |
| 78 | |
| 79 | public XmlParser.Node getRoot () |
| 80 | { |
| 81 | return _root; |
| 82 | } |
| 83 | |
| 84 | public String toString() |
| 85 | { |
| 86 | return this.getClass().getSimpleName()+"("+_xml+")"; |
| 87 | } |
| 88 | } |