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Posted to j-dev@xerces.apache.org by "Johannes Koch (JIRA)" <xe...@xml.apache.org> on 2009/07/17 12:45:14 UTC
[jira] Created: (XERCESJ-1386) Make HTMLCollectionImpl serializable
Make HTMLCollectionImpl serializable
------------------------------------
Key: XERCESJ-1386
URL: https://issues.apache.org/jira/browse/XERCESJ-1386
Project: Xerces2-J
Issue Type: Bug
Components: DOM (HTML)
Affects Versions: 2.9.0
Reporter: Johannes Koch
All HTML element implementations extend org.apache.xerces.dom.NodeImpl, which implements java.io.Serializable. Some HTML element implementations contain instance variables of type org.apache.html.dom.HTMLCollectionImpl, which does not implement java.io.Serializable. So these HTML element implementations are in fact not serializable.
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[jira] Resolved: (XERCESJ-1386) Make HTMLCollectionImpl
serializable
Posted by "Michael Glavassevich (JIRA)" <xe...@xml.apache.org>.
[ https://issues.apache.org/jira/browse/XERCESJ-1386?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Michael Glavassevich resolved XERCESJ-1386.
-------------------------------------------
Resolution: Fixed
Fix Version/s: 2.10.0
As requested, I've made HTMLCollectionImpl serializable. See SVN rev 890182.
> Make HTMLCollectionImpl serializable
> ------------------------------------
>
> Key: XERCESJ-1386
> URL: https://issues.apache.org/jira/browse/XERCESJ-1386
> Project: Xerces2-J
> Issue Type: Improvement
> Components: DOM (HTML)
> Affects Versions: 2.9.1
> Reporter: Johannes Koch
> Assignee: Michael Glavassevich
> Fix For: 2.10.0
>
>
> All HTML element implementations extend org.apache.xerces.dom.NodeImpl, which implements java.io.Serializable. Some HTML element implementations contain instance variables of type org.apache.html.dom.HTMLCollectionImpl, which does not implement java.io.Serializable. So these HTML element implementations are in fact not serializable.
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[jira] Commented: (XERCESJ-1386) Make HTMLCollectionImpl
serializable
Posted by "Johannes Koch (JIRA)" <xe...@xml.apache.org>.
[ https://issues.apache.org/jira/browse/XERCESJ-1386?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12732498#action_12732498 ]
Johannes Koch commented on XERCESJ-1386:
----------------------------------------
Michael,
there's no requirement that a DOM be serializable; true. However, if a super-type (NodeImpl) is serializable, then all sub-types of this type are also serializable. But HTMLDocumentImpl, HTMLFormElementImpl, HTMLTableElementImpl and TableSectionElementImpl (being sub-types of NodeImpl) are in fact not serializable, because they have at least one non-serializable instance variable.
> Make HTMLCollectionImpl serializable
> ------------------------------------
>
> Key: XERCESJ-1386
> URL: https://issues.apache.org/jira/browse/XERCESJ-1386
> Project: Xerces2-J
> Issue Type: Improvement
> Components: DOM (HTML)
> Affects Versions: 2.9.1
> Reporter: Johannes Koch
>
> All HTML element implementations extend org.apache.xerces.dom.NodeImpl, which implements java.io.Serializable. Some HTML element implementations contain instance variables of type org.apache.html.dom.HTMLCollectionImpl, which does not implement java.io.Serializable. So these HTML element implementations are in fact not serializable.
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[jira] Commented: (XERCESJ-1386) Make HTMLCollectionImpl
serializable
Posted by "Michael Glavassevich (JIRA)" <xe...@xml.apache.org>.
[ https://issues.apache.org/jira/browse/XERCESJ-1386?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12789993#action_12789993 ]
Michael Glavassevich commented on XERCESJ-1386:
-----------------------------------------------
Implementing java.io.Serializable is not a guarantee that an object can be serialized. Take the Java collection (java.util) classes for example. The Map and List classes can contain non-serializable instances and an attempt to serialize these Collections will fail if they contain such objects. The PSVI DOM is another example. There are explicit guards in place to prevent it from being serialized because there's no serialization support for the XSModel. Here however, I think there was no intention to block serialization of HTML DOMs so I'm going to honour your request.
> Make HTMLCollectionImpl serializable
> ------------------------------------
>
> Key: XERCESJ-1386
> URL: https://issues.apache.org/jira/browse/XERCESJ-1386
> Project: Xerces2-J
> Issue Type: Improvement
> Components: DOM (HTML)
> Affects Versions: 2.9.1
> Reporter: Johannes Koch
>
> All HTML element implementations extend org.apache.xerces.dom.NodeImpl, which implements java.io.Serializable. Some HTML element implementations contain instance variables of type org.apache.html.dom.HTMLCollectionImpl, which does not implement java.io.Serializable. So these HTML element implementations are in fact not serializable.
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[jira] Issue Comment Edited: (XERCESJ-1386) Make HTMLCollectionImpl
serializable
Posted by "Michael Glavassevich (JIRA)" <xe...@xml.apache.org>.
[ https://issues.apache.org/jira/browse/XERCESJ-1386?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12789993#action_12789993 ]
Michael Glavassevich edited comment on XERCESJ-1386 at 12/14/09 5:22 AM:
-------------------------------------------------------------------------
Implementing java.io.Serializable is not a guarantee that an object can be serialized. Take the Java collection (java.util) classes for example. The Map and List classes can contain non-serializable instances and an attempt to serialize these Collections will fail if they contain such objects. The PSVI DOM is another example. There are explicit guards in place to prevent it from being serialized because there's no serialization support for the XSModel. Here however I think there was no intention to block serialization of HTML DOMs so I'm going to honour your request.
was (Author: mrglavas@ca.ibm.com):
Implementing java.io.Serializable is not a guarantee that an object can be serialized. Take the Java collection (java.util) classes for example. The Map and List classes can contain non-serializable instances and an attempt to serialize these Collections will fail if they contain such objects. The PSVI DOM is another example. There are explicit guards in place to prevent it from being serialized because there's no serialization support for the XSModel. Here however, I think there was no intention to block serialization of HTML DOMs so I'm going to honour your request.
> Make HTMLCollectionImpl serializable
> ------------------------------------
>
> Key: XERCESJ-1386
> URL: https://issues.apache.org/jira/browse/XERCESJ-1386
> Project: Xerces2-J
> Issue Type: Improvement
> Components: DOM (HTML)
> Affects Versions: 2.9.1
> Reporter: Johannes Koch
> Assignee: Michael Glavassevich
> Fix For: 2.10.0
>
>
> All HTML element implementations extend org.apache.xerces.dom.NodeImpl, which implements java.io.Serializable. Some HTML element implementations contain instance variables of type org.apache.html.dom.HTMLCollectionImpl, which does not implement java.io.Serializable. So these HTML element implementations are in fact not serializable.
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[jira] Closed: (XERCESJ-1386) Make HTMLCollectionImpl serializable
Posted by "Johannes Koch (JIRA)" <xe...@xml.apache.org>.
[ https://issues.apache.org/jira/browse/XERCESJ-1386?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Johannes Koch closed XERCESJ-1386.
----------------------------------
Thanks
> Make HTMLCollectionImpl serializable
> ------------------------------------
>
> Key: XERCESJ-1386
> URL: https://issues.apache.org/jira/browse/XERCESJ-1386
> Project: Xerces2-J
> Issue Type: Improvement
> Components: DOM (HTML)
> Affects Versions: 2.9.1
> Reporter: Johannes Koch
> Assignee: Michael Glavassevich
> Fix For: 2.10.0
>
>
> All HTML element implementations extend org.apache.xerces.dom.NodeImpl, which implements java.io.Serializable. Some HTML element implementations contain instance variables of type org.apache.html.dom.HTMLCollectionImpl, which does not implement java.io.Serializable. So these HTML element implementations are in fact not serializable.
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[jira] Updated: (XERCESJ-1386) Make HTMLCollectionImpl serializable
Posted by "Michael Glavassevich (JIRA)" <xe...@xml.apache.org>.
[ https://issues.apache.org/jira/browse/XERCESJ-1386?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Michael Glavassevich updated XERCESJ-1386:
------------------------------------------
Affects Version/s: (was: 2.9.0)
2.9.1
Issue Type: Improvement (was: Bug)
Technically this isn't a bug. There's no requirement that a DOM be serializable so I'm marking this as an "improvement".
> Make HTMLCollectionImpl serializable
> ------------------------------------
>
> Key: XERCESJ-1386
> URL: https://issues.apache.org/jira/browse/XERCESJ-1386
> Project: Xerces2-J
> Issue Type: Improvement
> Components: DOM (HTML)
> Affects Versions: 2.9.1
> Reporter: Johannes Koch
>
> All HTML element implementations extend org.apache.xerces.dom.NodeImpl, which implements java.io.Serializable. Some HTML element implementations contain instance variables of type org.apache.html.dom.HTMLCollectionImpl, which does not implement java.io.Serializable. So these HTML element implementations are in fact not serializable.
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[jira] Assigned: (XERCESJ-1386) Make HTMLCollectionImpl
serializable
Posted by "Michael Glavassevich (JIRA)" <xe...@xml.apache.org>.
[ https://issues.apache.org/jira/browse/XERCESJ-1386?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Michael Glavassevich reassigned XERCESJ-1386:
---------------------------------------------
Assignee: Michael Glavassevich
> Make HTMLCollectionImpl serializable
> ------------------------------------
>
> Key: XERCESJ-1386
> URL: https://issues.apache.org/jira/browse/XERCESJ-1386
> Project: Xerces2-J
> Issue Type: Improvement
> Components: DOM (HTML)
> Affects Versions: 2.9.1
> Reporter: Johannes Koch
> Assignee: Michael Glavassevich
>
> All HTML element implementations extend org.apache.xerces.dom.NodeImpl, which implements java.io.Serializable. Some HTML element implementations contain instance variables of type org.apache.html.dom.HTMLCollectionImpl, which does not implement java.io.Serializable. So these HTML element implementations are in fact not serializable.
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