code.grnet.gr Git - pithos/blob - src/gr/ebs/gss/server/webdav/LockInfo.java

   1 /*
   2  * Licensed to the Apache Software Foundation (ASF) under one or more
   3  * contributor license agreements.  See the NOTICE file distributed with
   4  * this work for additional information regarding copyright ownership.
   5  * The ASF licenses this file to You under the Apache License, Version 2.0
   6  * (the "License"); you may not use this file except in compliance with
   7  * the License.  You may obtain a copy of the License at
   8  *
   9  *      http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  * Unless required by applicable law or agreed to in writing, software
  12  * distributed under the License is distributed on an "AS IS" BASIS,
  13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  * See the License for the specific language governing permissions and
  15  * limitations under the License.
  16  */
  17 package gr.ebs.gss.server.webdav;
  18
  19 import java.util.Date;
  20 import java.util.Enumeration;
  21 import java.util.Vector;
  22
  23 /**
  24  * Holds a lock information.
  25  */
  26 class LockInfo {
  27
  28
  29         // -------------------------------------------------------- Constructor
  30
  31
  32         /**
  33          * Constructor.
  34          */
  35         public LockInfo() {
  36
  37         }
  38
  39
  40         // ------------------------------------------------- Instance Variables
  41
  42
  43         /**
  44          *
  45          */
  46         String path = "/";
  47         /**
  48          *
  49          */
  50         String type = "write";
  51         /**
  52          *
  53          */
  54         String scope = "exclusive";
  55         /**
  56          *
  57          */
  58         int depth = 0;
  59         /**
  60          *
  61          */
  62         String owner = "";
  63         /**
  64          *
  65          */
  66         Vector<String> tokens = new Vector<String>();
  67         /**
  68          *
  69          */
  70         long expiresAt = 0;
  71         /**
  72          *
  73          */
  74         Date creationDate = new Date();
  75
  76
  77         // ----------------------------------------------------- Public Methods
  78
  79
  80         /**
  81          * Get a String representation of this lock token.
  82          */
  83         @Override
  84         public String toString() {
  85
  86                 String result =  "Type:" + type + "\n";
  87                 result += "Scope:" + scope + "\n";
  88                 result += "Depth:" + depth + "\n";
  89                 result += "Owner:" + owner + "\n";
  90                 result += "Expiration:"
  91                         + FastHttpDateFormat.formatDate(expiresAt, null) + "\n";
  92                 Enumeration tokensList = tokens.elements();
  93                 while (tokensList.hasMoreElements())
  94                         result += "Token:" + tokensList.nextElement() + "\n";
  95                 return result;
  96
  97         }
  98
  99
 100         /**
 101          * Return true if the lock has expired.
 102          * @return true if the lock has expired.
 103          */
 104         public boolean hasExpired() {
 105                 return System.currentTimeMillis() > expiresAt;
 106         }
 107
 108
 109         /**
 110          * Return true if the lock is exclusive.
 111          * @return true if the lock is exclusive.
 112          */
 113         public boolean isExclusive() {
 114
 115                 return scope.equals("exclusive");
 116
 117         }
 118
 119
 120         /**
 121          * Get an XML representation of this lock token. This method will
 122          * append an XML fragment to the given XML writer.
 123          * @param generatedXML the generated XML writer
 124          */
 125         public void toXML(XMLWriter generatedXML) {
 126
 127                 generatedXML.writeElement(null, "activelock", XMLWriter.OPENING);
 128
 129                 generatedXML.writeElement(null, "locktype", XMLWriter.OPENING);
 130                 generatedXML.writeElement(null, type, XMLWriter.NO_CONTENT);
 131                 generatedXML.writeElement(null, "locktype", XMLWriter.CLOSING);
 132
 133                 generatedXML.writeElement(null, "lockscope", XMLWriter.OPENING);
 134                 generatedXML.writeElement(null, scope, XMLWriter.NO_CONTENT);
 135                 generatedXML.writeElement(null, "lockscope", XMLWriter.CLOSING);
 136
 137                 generatedXML.writeElement(null, "depth", XMLWriter.OPENING);
 138                 if (depth == Webdav.INFINITY)
 139                         generatedXML.writeText("Infinity");
 140                 else
 141                         generatedXML.writeText("0");
 142                 generatedXML.writeElement(null, "depth", XMLWriter.CLOSING);
 143
 144                 generatedXML.writeElement(null, "owner", XMLWriter.OPENING);
 145                 generatedXML.writeText(owner);
 146                 generatedXML.writeElement(null, "owner", XMLWriter.CLOSING);
 147
 148                 generatedXML.writeElement(null, "timeout", XMLWriter.OPENING);
 149                 long timeout = (expiresAt - System.currentTimeMillis()) / 1000;
 150                 generatedXML.writeText("Second-" + timeout);
 151                 generatedXML.writeElement(null, "timeout", XMLWriter.CLOSING);
 152
 153                 generatedXML.writeElement(null, "locktoken", XMLWriter.OPENING);
 154                 Enumeration tokensList = tokens.elements();
 155                 while (tokensList.hasMoreElements()) {
 156                         generatedXML.writeElement(null, "href", XMLWriter.OPENING);
 157                         generatedXML.writeText("opaquelocktoken:"
 158                                                 + tokensList.nextElement());
 159                         generatedXML.writeElement(null, "href", XMLWriter.CLOSING);
 160                 }
 161                 generatedXML.writeElement(null, "locktoken", XMLWriter.CLOSING);
 162
 163                 generatedXML.writeElement(null, "activelock", XMLWriter.CLOSING);
 164
 165         }
 166
 167
 168 }