summaryrefslogtreecommitdiffstats
path: root/trunk/infrastructure/rhino1_7R1/src/org/mozilla/javascript/UniqueTag.java
diff options
context:
space:
mode:
Diffstat (limited to 'trunk/infrastructure/rhino1_7R1/src/org/mozilla/javascript/UniqueTag.java')
-rw-r--r--trunk/infrastructure/rhino1_7R1/src/org/mozilla/javascript/UniqueTag.java120
1 files changed, 0 insertions, 120 deletions
diff --git a/trunk/infrastructure/rhino1_7R1/src/org/mozilla/javascript/UniqueTag.java b/trunk/infrastructure/rhino1_7R1/src/org/mozilla/javascript/UniqueTag.java
deleted file mode 100644
index 33f96eb..0000000
--- a/trunk/infrastructure/rhino1_7R1/src/org/mozilla/javascript/UniqueTag.java
+++ /dev/null
@@ -1,120 +0,0 @@
-/* -*- Mode: java; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
- *
- * ***** BEGIN LICENSE BLOCK *****
- * Version: MPL 1.1/GPL 2.0
- *
- * The contents of this file are subject to the Mozilla Public License Version
- * 1.1 (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- * http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- * for the specific language governing rights and limitations under the
- * License.
- *
- * The Original Code is Rhino code, released
- * May 6, 1999.
- *
- * The Initial Developer of the Original Code is
- * Netscape Communications Corporation.
- * Portions created by the Initial Developer are Copyright (C) 1997-1999
- * the Initial Developer. All Rights Reserved.
- *
- * Contributor(s):
- * Igor Bukanov
- *
- * Alternatively, the contents of this file may be used under the terms of
- * the GNU General Public License Version 2 or later (the "GPL"), in which
- * case the provisions of the GPL are applicable instead of those above. If
- * you wish to allow use of your version of this file only under the terms of
- * the GPL and not to allow others to use your version of this file under the
- * MPL, indicate your decision by deleting the provisions above and replacing
- * them with the notice and other provisions required by the GPL. If you do
- * not delete the provisions above, a recipient may use your version of this
- * file under either the MPL or the GPL.
- *
- * ***** END LICENSE BLOCK ***** */
-
-package org.mozilla.javascript;
-
-import java.io.Serializable;
-
-/**
- * Class instances represent serializable tags to mark special Object values.
- * <p>
- * Compatibility note: under jdk 1.1 use
- * org.mozilla.javascript.serialize.ScriptableInputStream to read serialized
- * instances of UniqueTag as under this JDK version the default
- * ObjectInputStream would not restore them correctly as it lacks support
- * for readResolve method
- */
-public final class UniqueTag implements Serializable
-{
- static final long serialVersionUID = -4320556826714577259L;
-
- private static final int ID_NOT_FOUND = 1;
- private static final int ID_NULL_VALUE = 2;
- private static final int ID_DOUBLE_MARK = 3;
-
- /**
- * Tag to mark non-existing values.
- */
- public static final UniqueTag
- NOT_FOUND = new UniqueTag(ID_NOT_FOUND);
-
- /**
- * Tag to distinguish between uninitialized and null values.
- */
- public static final UniqueTag
- NULL_VALUE = new UniqueTag(ID_NULL_VALUE);
-
- /**
- * Tag to indicate that a object represents "double" with the real value
- * stored somewhere else.
- */
- public static final UniqueTag
- DOUBLE_MARK = new UniqueTag(ID_DOUBLE_MARK);
-
- private final int tagId;
-
- private UniqueTag(int tagId)
- {
- this.tagId = tagId;
- }
-
- public Object readResolve()
- {
- switch (tagId) {
- case ID_NOT_FOUND:
- return NOT_FOUND;
- case ID_NULL_VALUE:
- return NULL_VALUE;
- case ID_DOUBLE_MARK:
- return DOUBLE_MARK;
- }
- throw new IllegalStateException(String.valueOf(tagId));
- }
-
-// Overridden for better debug printouts
- public String toString()
- {
- String name;
- switch (tagId) {
- case ID_NOT_FOUND:
- name = "NOT_FOUND";
- break;
- case ID_NULL_VALUE:
- name = "NULL_VALUE";
- break;
- case ID_DOUBLE_MARK:
- name = "DOUBLE_MARK";
- break;
- default:
- throw Kit.codeBug();
- }
- return super.toString()+": "+name;
- }
-
-}
-