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!!! This file is no longer maintained. Please see the GitHub Commits !!!
https://github.com/hunterhacker/jdom/commits/master
* * * * * * JDOM 1.1.1 (tag: jdom_1_1_1) from JDOM 1.1 * * * * * *
Fixed a synchronization issue in the Namespace class that could cause a
hang when doing concurrent builds.
Added output support for Unicode surrogate pairs.
Added a new flag on SAXBuilder named setFastReconfigure() which, when set,
can speed reconfiguration by skipping repeated attempts to set features that
are determined not to be present on a parser. Useful when doing many builds
per second.
Updated the provided Jaxen library from a modified Jaxen 1.0 to the latest
which is Jaxen 1.1.1.
Added reflection code in the error reporting system to support Android's
Dalvik VM which doesn't have the java.rmi.* classes.
* * * * * * JDOM 1.1 (tag: jdom_1_1) from JDOM 1.0 * * * * * *
Added an additional constructor to JDOMSource with an EntityResolver which is
passed to the internal DocumentReader allowing the SAXOutputter to properly
resolve DTDs.
Added a forceNamespaceAware property to DOMOutputter which specifies you want
a DOM constructed with namespaces even if the source JDOM document has no
namespaces.
Added support for attribute "INF" and "-INF" values, to indicate positive and
negative infinity, as XML Schema allows.
Moved isXMLWhitespace() method from private in XMLOutputter to public in
Verifier.
Clarified XMLOutputter behavior with newlines and indents:
setIndent(" ") means newlines and " " indents
setIndent("") means newlines and "" indents
setIndent(null) means no newlines and no indents
Added set/getIgnoringBoundaryWhitespace() methods and features to SAXBuilder
and SAXHandler.
Added a setFactory() method on XSLTransformer to control the object types
built by the transform.
Added a string constant for the JDOM_OBJECT_MODEL_URI used by JAXP 1.3. It
deserves being part of the public API.
Fixed bug in SAXOutputter where default namespaces would be declared as
xmlns:="" with a spurious colon.
Fixed bug when using attributes without a namespace and outputting to a
JDOMResult.
Removing check that a comment not start with a hyphen. A careful reading of
production 15 in the XML 1.0 spec indicates leading hyphens are in fact
allowed.
Fixed bug where outputFragment() on SAXOutputter could cause a
NullPointerException because the locator would be null during the call.
Fixed bug where serializing ElementFilter causes a NullPointerException if the
filter has no assigned namespace
Fixed some subtle bad behaviors in listIterator.add() logic, using brand new
iterator logic.
Allowed a String to be passed to ContentList.add(int, Object).
Simplified JDOMAbout and renamed info.xml to jdom-info.xml, so
getResourceAsStream() won't suffer any name collision.
Fixed tiny issue where CDATA could be set with illegal character content.
Added logic to escape some special characters in namespace URIs.
Fixed bug where the attribute type would change on a setAttribute() call.
Improved performance on Namespace handling.
Improved and clarified Javadocs.
* * * * * * JDOM 1.0 (tag: jdom_1_0) from JDOM Beta10 * * * * * *
Added a new lib/jaxen-jdom.jar that solves some XPath ancestry problems
introduced by the Parent interface. See the new lib/jaxen.readme for
details.
Moved the addContent() and setContent() methods from Parent into Element and
Document directly. This re-enables method chaining that some people missed.
Fixed a few bugs in SAXOutputter: start/endPrefixMapping was not being fired
for no namespace, DocType was being improperly constructed, changed to use a
DefaultHandler with the dtd parser to better suppress unimportant problems.
Added SAXOutputter support for outputting fragments of documents with the
new methods:
output(Content)
outputFragment(List)
outputFragment(Content)
Added support in XMLOutputter for ignoring the JAXP processing instructions
<?javax.xml.transform.enable-output-escaping?> and
<?javax.xml.transform.disable-output-escaping?>. Respect for these PIs is
toggled by the Format.set/getIgnoreTrAXEscapingPIs() feature, default false.
Added to JDOMFactory the methods document(Element rootElement, DocType
docType, String baseURI) and entityRef(String elementName, String systemID).
These match constructors that were previously overlooked. Also added
implementations to DefaultJDOMFactory and UnverifiedJDOMFactory.
Added to Element the method getParentElement() that returns the parent element
or null if the object is unattached or the root element.
Fixed bug in FilterIterator that affected next() calls.
Fixed bug in DOMOutputter regarding extraneous namespace declarations
appearing under certain conditions.
Changed XMLOutputter to clone the Format objects when they're set/get
Fixed bug in JDOMResult where the result list could include incomplete
results in certain situations, fixed by forcing a flush.
Made SAXHandler.flushCharacters() protected again after being private. It's
needed for the above fix.
Changed Verifier.isXXX() methods from private to public as it was well
argued that they're based on unchanging spec productions and can be
generally useful even apart from JDOM.
Added support for surrogate pairs in the Verifier. (Surrogate pairs don't
yet have any special output support.)
Fixed bug in SAXBuilder to avoid an IllegalStateException when apps access
the partial document when parse failure occurs right after the beginning of
the parse.
Updated JaxenXPath to avoid the deprecated XPath.valueOf().
Brought the jdom-contrib ElementScanner up to date.
Fixed various Javadoc typos.
Removed the build-time dependence on saxpath.jar.
Removed all deprecated methods.
Fixed bug where in "pretty print" output EntityRef instances would erroneously
print on their own line.
Added character encoding rules to improve whitespace round tripping:
http://lists.denveronline.net/lists/jdom-interest/2003-July/013227.html
Added DOMBuilder.getFactory() method to match what we added to SAXBuilder.
Removed Parent.canContain() and the Document and Element implementations.
Moved the logic directly into ContentList. No reason to expose a public
method unless it has a general purpose.
Reduced the visibility on some XMLOutputter internals that we don't want to
guarantee support for over the long term. Some people who want custom output
formatting may need to copy some code blocks. That's OK since JDOM is open
source and while it's less than ideal, it's better than our exposing protected
internal variables and methods that we may have reason to change later.
Now marked private:
userFormat
printString()
printContentRange()
printTextRange()
Now static final:
preserveFormat
Removed some unnecessary casts.
Made a few private methods static where it made sense. Also a select
few protected methods.
Made the Format constructor private. It used to be pkg protected which
doesn't make a lot of sense.
Removed equals() from AbstractFilter since it's better to let concrete
subclasses define that, as they already were.
Removed some unnecessary instanceof and != null checks.
--
Added an UncheckedJDOMFactory class which builds without doing any
content or structure checks, letting you gain speed in a situation
where you have 100% confidence in your parser. The Javadocs for
the class naturally includes a serious warning.
It's not used by default, but you can select it with a
builder.setFactory(new UncheckedJDOMFactory()) call.
I also added to JDOMFactory a few methods:
addContent(Parent, Content)
setAttribute(Element, Attribute)
addNamespaceDeclaration(Element, Namespace)
These are called during the build to do the adds. The default builder
just calls parent.addContent(Content) while the "unchecked" factory does
the work without checks using package protected methods on ContentList
and AttributeList.
A perk of having these methods in the factory and used by the builder
is you can write a custom factory to do certain things during the adds.
Like you could ignore all elements named "foo" by not doing the add if
the Content was an Elt foo. That's not perfect since the elements
underneath foo would still be built into a subtree that got ignored,
but it's an easy solution to save memory in the resulting document.
--
* * * * * * Beta10 (tag: jdom_1_0_b10) from Beta9 * * * * * *
PARENT AND CONTENT
------------------
Added a new Parent interface and a new Content abstract class. Parent is
implemented by Document and Element. Content is extended by Element, Comment,
DocType, EntityRef, ProcessingInstruction, and Text (CDATA).
Parent has methods (* means new):
Parent addContent(Content child);
* Parent addContent(Collection collection);
* Parent addContent(int index, Content child);
* Parent addContent(int index, Collection collection);
* List cloneContent();
* void canContain(Content, int);
List getContent();
List getContent(Filter filter);
* Content getContent(int index);
* int getContentSize();
* Iterator getDescendants()
* Iterator getDescendants(Filter)
* Document getDocument()
* Parent getParent()
* int indexOf(Content)
* List removeContent();
boolean removeContent(Content child);
* List removeContent(Filter filter);
* Content removeContent(int index);
Parent setContent(Content child);
Parent setContent(Collection collection);
* Parent setContent(int index, Content child);
* Parent setContent(int index, Collection collection);
Object clone();
Content has public methods:
Content detach();
Document getDocument();
Parent getParent();
* String getValue();
Object clone();
The new methods on Parent are pretty self explanatory. A few methods that used
to require getting the content List now work on Parent itself for convenience
(tired of all those FAQs). The cloneContent() and removeContent() calls
should be especially helpful. The getDescendants() methods is great in
providing a mechanism to walk the entire tree from this item down using an
optional filter.
The getValue() method in Content is defined to return the XPath 1.0 string
value of the element. The getText() methods in Element are left unchanged.
A subtle change is that getParent() now returns a Parent type which is its
immediate parent. Previously an item at the document level would return null
and you'd use getDocument() to get its Document. Parent has getParent() as
well to make repeated getParent() calls easier.
The protected setDocument() methods have been removed in favor of just using
setParent(). getDocument() remains as a potentially recursive lookup method.
NEW CLASSES
-----------
Added an org.jdom.transform.XSLTransformer class to help with simple
transformations. It's a one-liner now, the way it should be. Also added an
XSLTransformException class to support the XSLTransformer.
Added an org.jdom.output.Format class to control XMLOutputter behavior.
Format has convenience methods .getRawFormat(), .getPrettyFormat(), and
.getCompactFormat() to use in lieu of people having to remember when to trim,
set indents, and such. The old XMLOutputter.set*() methods are now deprecated
and should be called on a Format instance. The XMLOutputter constructors that
took indents and so on are also deprecated.
Added an EscapeStrategy plug-in interface for XMLOutputter to determine which
chars to escape. A user can set a strategy and go, no need to subclass.
Created a DefaultEscapeStrategy which tries to be generally smart. It quickly
says no escaping is necessary for UTF-8 (our default) and UTF-16. It escapes
everything above 255 for ISO-8859-1/Latin1. It escapes everything above 127
for ASCII. For the other charsets, it tries to use the JDK 1.4 CharsetEncoder
to determine if the char needs escaping. Reflection is used for this so JDOM
isn't dependent on JDK 1.4. That means if you run on JDK 1.3 there's no
escaping unless JDOM knows about the charset itself or you plug in your own.
Added a Format.TextMode inner class with values: PRESERVE, TRIM, NORMALIZE,
and TRIM_FULL_WHITE. Removed the methods setTextTrim(), setTextNormalize(),
and setTrimAllWhite(). Replaced them with setTextMode(Format.TextMode) and
getTextMode().
Moved org.jdom.input.JDOMFactory and org.jdom.input.DefaultJDOMFactory into
the org.jdom package.
NEW METHODS
-----------
Added Document.setBaseURI(String) and getBaseURI() to record the effective URI
from which the document was loaded (against which relative URLs in the
document should be resolved). The builders record the URI when possible.
Added a Document(Element, DocType, String baseURI) constructor.
ENHANCEMENTS
------------
Incorporated Jaxen 1.0 and Xerces 2.6.1.
Enhanced the filter classes so they extend a new AbstractFilter class and
inherit its and(), or(), and negate() methods.
Added proper hashCode() methods to the filters.
Changed the Document's DocType storage so it's part of the ContentList now and
has a location that can be preserved. This helps with round tripping. The
getDocType() and setDocType() methods remain for convenience but just operate
based on searches through the ContentList. Adding logic to ensure the DOCTYPE
isn't added after the root, or vice-versa.
The Attribute class now trims its value before attempted conversion to a
double, float, or boolean values. Also "1" and "0" are legal boolean values
following the lead of Schema.
Added better support for loading from files whose names have special
characters like #.
Added a protected SAXHandler.flushCharacters(String) method to allow
subclassers to have more control over strings.
BUG FIXES
---------
Fixed bug in AttributeList.clear() where the cleared list did not reset its
size to 0, causing NullPointerException when the list was reused.
Fixed bug where serializing a content list using a filter. It wouldn't work
because FilterList wasn't serializable. It is now.
Fixed bug in ContentList that could theoretically cause problems during
reverse iteration.
Changed JDOMException.initCause() to return "this" instead of "cause"
since that's what Throwable says it should do.
Fixed bug with elt.isAncestor() where it had been acting like "is descendant".
Fixed bug in DOMOutputter where it could have problems outputting documents
with a DocType.
DEPRECATED METHODS
------------------
Deprecated the Document(List, DocType) constructor because it doesn't make
sense if the DocType should be part of the content list rather than separate.
Deprecated the XMLOutputter.set*() methods that now reside in Format.
Deprecated the XMLOutputter constructors that took format parameters. Use the
constructor that accepts a Format now instead.
Deprecated the Attribute constants:
Attribute.CDATA_ATTRIBUTE
Attribute.ID_ATTRIBUTE
Attribute.IDREFS_ATTRIBUTE, etc.
Their new names are simpler:
Attribute.CDATA_TYPE
Attribute.ID_TYPE
Attribute.IDREFS_TYPE, etc.
Renamed methods from the PI class to be more consistent and explanatory.
Deprecating:
getNames()
getValue()
setValue()
removeValue()
New names:
getPseudoAttributeNames()
getPseudoAttributeValue()
setPseudoAttribute()
removePseudoAttribute()
Deprecated the methods setTextTrim(), setTextNormalize(), and
setTrimAllWhite(). Replaced them with setTextMode(Format.TextMode) and
getTextMode().
Changed the protected method SAXHandler.setAlternateRoot() to pushElement().
REMOVED CLASSES
---------------
None.
REMOVED METHODS
---------------
Removed everything deprecated in b9. (JDOM deprecates for one beta cycle,
then removes.)
Made the DOMOutputter output(Element, ...) and output(Attribute, ...) private.
They used to be protected. Skipped the deprecation step because you couldn't
actually extend them because of the NamespaceStack visibility, and we don't
usually deprecate protected methods.
SPECIAL NOTE
------------
Reduced the visibility on many items from protected to private. Anything
protected or public must be supported in the future, and we don't want to
promise that for anything unless it's absolutely necessary. If your JDOM
extension has problems with the reduced visibility that can't be overcome,
write to jdom-interest-AT-jdom.org with your issue. We'll crack open the
visibility as proven necessary.
* * * * * * Beta9 (tag: jdom_1_0_b9) from Beta8 * * * * * *
NEW PACKAGES
------------
Added org.jdom.xpath package for XPath manipulations.
NEW CLASSES
-----------
Added the XPath and JaxenXPath classes to the new org.jdom.xpath package.
Added org.jdom.input.JDOMParseException, a subclass of JDOMException, to be
thrown by the builders to convey whatever information could be gathered from
the parser about the error. It has a getPartialDocument() that gives access
to whatever part of the input document that was successfully parsed before the
parser fired a SAXParseException.
Added org.jdom.output.JDOMLocator, an implementation of org.xml.sax.Locator
which a ContentHandler could use to determine the document object on which an
error occurred.
NEW METHODS
-----------
Added the the getResult()/setResult() methods to JDOMResult to support
transformations that return results other than a document.
Added saxBuilder.setReuseParser(boolean) with a default of false. Turning it
on allows reuse and faster performance for parsers that support reuse.
Added a ProcessingInstruction.setTarget(String newTarget) method. Once we
decided to allow elt.setName() we should allow pi.setTarget().
Added a SAXOutputter.getLocator() method to make the locator available outside
the ContentHandler. For example, this allows you to have ErrorHandlers not
implementing XMLFilters.
ENHANCEMENTS
------------
Fixed the TextBuffer performance problem that made performance terrible on
certain JVMs in beta8.
Changed CDATA to extend Text so now you can look just for Text nodes
in content and don't need to differentiate CDATA sections if you don't
want to. This does require "instanceof CDATA" to come before "instanceof
Text" now. Watch out for that potential subtle bug.
Changed the exception types that may be thrown from the SAXBuilder. The idea
is that SAXBuilder should throw an IOException for an I/O error, a
JDOMException for an XML problem, and that unexpected runtime exceptions
should not be hidden. Previously it could only throw a JDOMException, so this
will break existing code! Builders will now need to catch IOException.
Changed the DOM adapter classes to throw either IOException, a JDOMException
wrapped around a parser-specific exception, or a subtype of RuntimeException.
Previously they might throw any Exception.
Changing doctype.equals() to be == instead of comparing its elt name, system
id, and public id. Did this because someone may not care about the elt name
in comparing doc types, while someone else might care about the internal DTD
subset. This lets the default behavior be == and lets users write their own
equality check.
Added a feature to prevent firing DTD events by setting the SAX core feature
"http://xml.org/sax/features/validation" to false.
Removed the special namespace treatment of xml:space and xml:lang so they are
now treated as any other attributes in a namespace.
Enhanced SAXOutputter to notify of entities through ContentHandler's
skippedEntity() and notify of some errors to the registered SAX ErrorHandler,
Added support to output Comments as Element children. Added support for CDATA
(i.e. distinguish CDATA from plain text and use of the start/endCDATA
callbacks of LexicalHandler). Removed support for CDATA as children of the
document node.
Added CVS_ID and @version tags to source files that were missing them.
Added JDOM_FEATURE constants to JDOMSource and JDOMResult which can be used
with TransformerFactory.getFeature() to determine if the transformer natively
supports JDOM.
Moved the printing of the line seperator after the doctype up to
output(Document, Writer). This allows someone who doesn't want a newline
after the decl to kludge it away.
Improved the Verifier's checking of Comment contents. Added logic to ensure
you can't have two default namespace declarations on the same element.
Numerous performance improvements.
Many Javadoc improvements.
Numerous build script enhancements.
Moved samples into the default package, building to build/samples.
BUG FIXES
---------
Fixed Document.clone() to set the new DocType.
Fixed a bug where the JDOMException.printStackTrace(PrintWriter) method would
print some data to System.err instead of to the writer.
Fixed bug in PI map parse logic which could be confused when there was a lot
of whitespace surrounding the = signs.
Fixed bug where AttributeList.set() would not set parentage in one situation.
Fixed bug where namespace prefixes were being lost on DOM builds.
Fixed bug in PI.toString() which could cause funny output on PIs without data.
Fixed a problem with the CDATA.clone() method that would result in CDATA
sections being cloned as Text objects rather than CDATA objects.
Fixed the SAXOutputter so elementContent() fires a comment() event.
Fixed bug where mapping a value to an attribute wouldn't happen if the
attribute was renamed.
Fixed bug in XMLOutputter where \n was used instead of
currentFormat.lineSeparator at one location.
Fixed a whitespace output bug where whitespace-only content would be treated
as empty.
Fixed bug where the "xml" prefix wasn't available in Element's
getNamespace(String) call.
DEPRECATED METHODS
------------------
Deprecated the XMLOutputter.setIndent* methods except setIndent(String).
Deprecated DOMBuilder(boolean validate), DOMBuilder(String adapter, boolean
validate), and DOMBuilder.setValidation(boolean validate) because validation
only matters when building from files, and those methods have already been
deprecated.
Deprecated the DOMOutputter output methods that return a DOM Element or Attr,
because they aren't truly useful and the DOM contract is that every Attr and
Element (and every other Node too) always belongs to exactly one Document or
DocumentFragment object.
Deprecated element.removeChildren() because it's a nearly useless method.
Call element.getChildren().clear() in the very rare case you want to remove
only the children but leave other content.
Deprecated element.hasChildren() because it's not a performance optimization
anymore. This helps simplify the most complicated class around.
Deprecated element.setChildren(List) since element.setContent(List) suffices.
Deprecated xmlOutputter.outputString(String) since outputString(Text) handles
the Text nodes that now really reside within documents.
REMOVED CLASSES
---------------
Removed ProjectXDOMAdapter since the parser is no longer important.
REMOVED METHODS
---------------
Removed element.addContent(CDATA) and removeContent(CDATA) since
addContent(Text) and removeContent(Text) do the job now that CDATA extends
Text.
Removed canAdd() and canRemove() from Filter. matches() is sufficient.
Removed the methods deprecated in beta7.
SPECIAL NOTE
------------
Beginning with this release JDK 1.1 is no longer supported. You'll need JDK
1.2 or later.
* * * * * * Beta8 (tag: jdom_1_0_b8) from Beta7 (tag: jdom_1_0_b7) * * * * * *
NEW CLASSES
-----------
Added a Text class. This class is primarily for internal use to store String
data, so strings can now have parentage. A getText() will still return a
String. The Text nodes themselves can be retrieved through a getContent()
call.
Added the public interface org.jdom.filter.Filter to support the "FilterList"
functionality.
Added org.jdom.filter.ContentFilter, a standard filter for Content. And added
org.jdom.filter.ElementFilter, a standard filter for Element data.
Added two non-public support classes to support the "FilterList"
functionality: ContentList and AttributeList.
NEW METHODS
-----------
Added to Element and Document the method getContent(Filter) that takes a
Filter instance.
Added to CDATA the methods getTextTrim(), getTextNormalize(), append(String),
append(CDATA), getParent(), getDocument(), and detach(). This brings CDATA
close in line with the Text class. They'll may become the same class with a
flag differentiator in the next beta.
Added to Element the methods addContent(Text) and removeContent(Text). These
methods support the new Text class.
Also added to Element the method removeAttribute(Attribute). This method was
simply overlooked before.
Also added to Element the method getChildTextNormalize(). This method is
similar to getChildTextTrim().
Also added to Element two new styles of getAttributeValue() which let the
programmer specify default values if the attribute doesn't exist.
Added to SAXBuilder the methods setFeature() and setProperty(). These methods
to allow programmers to customize the underlying parser.
Added to SAXOutputter the new method setLexicalHandler(LexicalHandler). Also
added a new SAXOutputter constructor that takes a LexicalHandler as its last
argument.
Added to ProcessingInstruction the method getNames(). This method returns the
pseudo-attribute names in the PI's data.
Added to DocType the methods setInternalDTDSubset(String) and
getInternalDTDSubset(). These methods support new functionality where a
DocType can store and alter the internal DTD subset information.
Also added to DocType the method setElementName().
Added a no-arg SAXOutputter constructor.
Added to SAXOutputter the methods getContentHandler(), getErrorHandler(),
getDTDHandler(), getEntityResolver(), getLexicalHandler(), setDeclHandler(),
getDeclHandler(), setFeature(), setProperty(), getFeature(), and
getProperty().
Added to Attribute the methods getAttributeType() and setAttributeType().
Also added various constructors that take an int type. These methods and
constructors support the new functionality where attributes can record their
type information. Note: this is something DOM can't do!
Added to Document the method detachRootElement().
Added to XMLOutputter the methods outputString(List list), outputString(String
str), outputString(Text text), output(List list, OutputStream out), and
output(List list, Writer out).
Added to EntityRef the constructor EntityRef(String name, String systemID).
This supports building an EntityRef without a public ID.
Added to Verifier the methods checkSystemLiteral() and checkPublicID().
NEW CONSTANTS
-------------
Attribute has new constants for each attribute type:
UNDECLARED_ATTRIBUTE, CDATA_ATTRIBUTE, ID_ATTRIBUTE, IDREF_ATTRIBUTE,
IDREFS_ATTRIBUTE, ENTITY_ATTRIBUTE, ENTITIES_ATTRIBUTE, NMTOKEN_ATTRIBUTE,
NMTOKENS_ATTRIBUTE, NOTATION_ATTRIBUTE, and ENUMERATED_ATTRIBUTE.
NEW SIGNATURES
--------------
The XMLOutputter escape*() methods are now public.
The Verifier checkXMLName() method is now public.
Changed the protected "Element parent" variable for classes to be "Object
parent", with the object capable of serving double duty as either a Document
parent or Element parent. Saves noticeable memory.
Changed the no-arg Document constructor to be public, along with Javadocs
explaining how the method is to be used.
REMOVED CLASSES
---------------
None.
REMOVED METHODS
---------------
Removed the methods deprecated in beta7.
DEPRECATED METHODS
------------------
Deprecated the DOMBuilder.build() methods that build from a File, URL, or
InputStream. This helps people understand those methods are for testing only.
DOMBuilder.build(org.w3c.dom.Document) and such are still undeprecated.
ENHANCEMENTS
------------
Added the long-awaited "FilterList" functionality! This improves the
reliability and performance of the lists returned by getContent() and
getChildren() calls. These lists are now fully live, they fully enforce
well-formedness constraints, and they don't require in-memory copying before
returning. A huge improvement!
Integrated the Text class for wrapping strings behind the scenes and thus
allowing strings to have parentage.
Added the ability for the DocType to have an internal DTD subset, and changed
the SAX and DOM builders and outputters to support this change.
Added the ability for a Document to have a detached root to make elt.detach()
work easily. There will be an IllegalStateException thrown in case of read
from such a Document.
Added support for "attribute types". Typing is now recorded within the
attribute object and fully managed during build and output.
Rearchitected the internals of SAXBuilder and SAXHandler to be more extensible
via subclassing. Also exposed more of the internals of SAXHandler to make
subclassing easier.
Made SAXOutputter much more robust, and made JDOMSource (used for
transformations) more robust along with it.
Changed setContent(null) to now clear the content list and does not throw an
exception. Same for setChildren(null).
Improved XMLOutputter to respect the xml:space attribute.
Improved reporting behavior of build error messages.
Improved how JDOMException reports on nested exceptions.
Updated the Ant build system to version 1.4.
Improved JDOM build versioning so we have versions like "1.0beta8-dev" for
work after Beta8, and "1.0beta8" will only be the actual Beta8 code.
Changed the Javadocs to use CVS Revision and Date tags for @version.
Many Javadoc clarifications.
Improved the Verifier error message when adding a PI with an "xml" target,
since parsers and/or people have been trying to add it as a PI.
Added verification of the system and public ID's in both DocType and
EntityRef, the root element name in DocType, and the entity name in EntityRef.
Added ability for DocType and EntityRef to differentiate a missing ID from the
empty string ID.
Changed the MANIFEST.MF to no longer list Xerces in the Class-Path entry, nor
to have JDOMAbout as its Main-Class. This helps applet deployment, but does
remove the ability to do the cool "java -jar jdom.jar".
Added support for skipped entities in SAXHandler in the event that the parser
is not resolving external entities.
Added well-formedness checking to ensure there are never duplicate attributes.
Many, many performance optimizations throughout.
Made Xerces 1.4.4 the default parser in "lib/xerces.jar".
BUG FIXES
---------
Fixed XMLOutputter to no longer add spurious newlines after closing element
tags.
Fixed SAXBuilder to work better with XML filters.
Fixed SAXHandler bug where attributes that had a namespace were being added to
the Document, but did not have the Namespace correctly reported.
Fixed bug where a ProcessingInstruction or DocType removed from a Document did
not have its parentage set to null.
Fixed bug where SAXBuilder would cache the class name even when using JAXP to
create the parser, causing problems for parsers without no-arg constructors.
Fixed bug where Namespace collision checking could generate false positives.
Fixed bug where a document containing a huge number of character entities
would cause JDOM builds to slow down exponentially.
Fixed the many bugs caused by the old PartialList code, by replacing it with
FilterList code.
* * * * * * Beta7 (tag: jdom_1_0_b7) from Beta6 (tag: jdom_1_0_b6) * * * * * *
NEW CLASSES
-----------
Added JDOMSource and JDOMResult to the org.jdom.transform package. These
support XSLT transforms using the JAXP TrAX model. Added Crimson, JAXP, and
Xalan JARs to the lib directory to support the transform functionality.
Added org.jdom.EntityRef to replace org.jdom.Entity. Changed methods taking
Entity to take EntityRef.
Made org.jdom.input.SAXHandler a public class. It used to be package
protected. This is helpful to classes that want to build JDOM from a SAX
source, such as JDOMResult.
Added org.jdom.input.JDOMFactory/DefaultJDOMFactory to support the builder
factory model.
Added org.jdom.adapters.JAXPDOMAdapter to contain all the logic for
interacting with JAXP. Most people will never use this class.
Added org.jdom.Text to the repository. It's not yet used.
NEW METHODS
-----------
Added a new detach() method to each of the classes Attribute, Comment,
Element, EntityRef, and ProcessingInstruction. It removes the node from its
parent.
Added setName(String) and setNamespace(Namespace) to Element and Attribute.
Added elt.setAttribute() method, to replace elt.addAttribute(). It replaces
any existing attribute by the same name, instead of throwing an exception as
addAttribute() did.
Added elt.getContent() and elt.setContent() methods, to replace
elt.getMixedContent() and elt.setMixedContent(). Did the same on Document.
Added SAXBuilder.setExpandEntitities(boolean) method to indicate if entities
should be expanded, or if EntityRef objects should appear within the document.
Added two new Document constructors to support constructing with a list of
content:
Document(List)
Document(List, DocType)
Added elt.removeNamespaceDeclaration(Namespace). It removes a namespace
declaration, the counterpart to addNamespaceDeclaration(Namespace).
Added a new constructor in IllegalAddException to account for a Namespace
illegally added:
IllegalAddException(Element base, Namespace added, String reason)
Added getDocument() method to DocType. Added a protected setDocument() method
also.
Added setFactory() method to SAXBuilder/DOMBuilder to support the factory
build model.
Added elt.getTextNormalize() to return a normalized string (external
whitespace trimmed, internal whitespace reduced to a single space). The
getTextTrim() method now does a true trim.
Added a SAXBuilder.setIgnoringElementContentWhitespace(boolean) method with
behavior that matches the method by the same name in JAXP's
DocumentBuilderFactory. Setting the value to true causes
ignorableWhitespace() to operate like a no-op. By default its value is false.
Added getCause() to JDOMException, replacing getRootCause(). This new name
matches JDK 1.4.
Added setOmitDeclaration on XMLOutputter, replacing the now-deprecated
setSuppressDeclaration().
Added elt.removeContent(CDATA) which was previously overlooked.
Added protected methods in SAXBuilder to make it easier to extend:
protected XMLReader createParser()
protected SAXHandler createContentHandler()
protected void configureContentHandler(SAXHandler)
Added getDocument() method to Attribute.
NEW SIGNATURES
--------------
DOMAdapter methods now may throw Exception instead of IOException. DOMBuilder
and DOMOutputter have the same API as always.
Changed XMLOutputter's protected printXXX() methods to have a new signature
without the "int indentLevel" final parameter. Didn't bother with
deprecation.
Changed XMLOutputter's printEntity() method to printEntityRef().
Made SAXBuilder's build(InputSource) method public. It used to be protected.
REMOVED CLASSES
---------------
Removed org.jdom.Entity; it's replaced by EntityRef.
REMOVED METHODS
---------------
Removed various methods that were previously deprecated in beta6:
Document.addContent(Element)
Namespace.getNamespace(String prefix, Element context)
CDATA.setText(String)
Removed Document's protected rootElement variable.
DEPRECATED METHODS
------------------
Deprecated constructor Attribute(String name, String prefix, String uri,
String value). Its parameter order was non-standard and it was not a useful
method.
Deprecated XMLOutputter's setIndentLevel() method. Having a global indent is
better done with a stacked FilterOutputStream. The method is now empty.
Deprecated XMLOutputter's setPadText() method. It's not needed with the
current output mechanism. The method is now empty.
Deprecated Element's getCopy(String) and getCopy(String, Namespace). These
can better be done now with a clone() and setName()/setNamespace().
Deprecated elt.addAttribute(). It's replaced by elt.setAttribute().
Deprecated getMixedContent() and setMixedContent() on Element and Document.
They're replaced by getContent() and setContent() versions.
Deprecated getSerializedForm() methods on all objects, and moved the logic
into XMLOutputter.
Deprecated the various xxxProcessingInstruction() methods in Document:
List getProcessingInstructions()
List getProcessingInstructions(String target)
ProcessingInstruction getProcessingInstruction(String target)
boolean removeProcessingInstruction(String target)
boolean removeProcessingInstructions(String target)
Document setProcessingInstructions(List pis)
Deprecated the SAXHandler constructor SAXHandler(Document document) since now
the handler constructs the document itself.
Deprecated elt.hasMixedContent() because it's of little use and its behavior
isn't well defined.
Deprecated getRootCause() on JDOMException in favor of getCause(). This new
name matches JDK 1.4.
Deprecated XMLOutputter's setSuppressDeclaration() in favor of
setOmitDeclaration() to better match setOmitEncoding().
Deprecated elt.addAttribute(String name, String prefix, String value).
Instead, setAttribute() should be used.
ENHANCEMENTS
------------
Clarified and improved many, many javadocs.
Performance enhancement for files with namespaces. This improves build times
on one test from 13000ms to 580ms.
Added support for the DOM DocumentType object when constructing documents
using DOMOutputter.
Added a check that only one element is allowed in the document list as the
root.
Added informational XML files in the jdom.jar META-INF directory storing
things like the version, credits, description, etc. These can be accessed
with a "java -jar jdom.jar" command which uses JDOM to read the info about
JDOM.
Added JDOM version info to the MANIFEST.MF so servlets and such can depend on
it using http://java.sun.com/j2se/1.3/docs/guide/extensions/versioning.html
Made elt.setMixedContent() check object types and parentage, and set
parentage.
For the JDK 1.1 build, added a replace target so @throws is replaced by
@exception, which is the old JDK 1.1 javadoc keyword.
Improved XMLOutputter internals so it no longer uses list.get(i) and instead
uses an Iterator. Should lighten the burden on outputting large documents.
Added CVS Id variable to the top of each file for better tracking.
Changed pi.getValue("nonexistant") to return null instead of "". Also made it
so that any parse error aborts and clears the parse results.
Created a new implementations of clone() without any constructor calls.
Revamped XMLOutputter's output logic to better match expectations.
Changed XMLOutputter flushing logic so output() methods handle their own
flush() at the end of writing so user flush() calls should no longer be
necessary.
Made elt.setMixedContent() and doc.setMixedContent() appear atomic, even in
case of failure.
Optimized attr.getQualifiedName() implementation for speed.
Added logic to setAttribute() to ensure well-formedness by verifying the
attribute namespace prefix doesn't collide with an existing prefix on that
element (either on the element's own ns, an additional ns, or another
attribute's ns).
Added logic to addNamespaceDeclaration() to ensure the prefix doesn't collide
with an existing prefix on the element.
Changed DocType.equals() to check for equivalency and not reference equality.
Now two DocTypes are equals() if their constituent strings are equals(). This
makes general sense because if you want to compare the doctypes of two docs
you want to do an equivalency check.
Added a private CVS_ID variable to the core classes containing RCS variables.
This allows you to examine the compiled class to determine the source from
which it was compiled. See jdom-contrib's Ident.java.
Performance optimization in setAttribute() so that removeAttribute() on a
pre-existing attribute is only called when necessary, as determined by an
earlier scan through the attributes. This was submitted by Phil Nelson who
says it gave an 8% time savings during a fresh build.
Integrated the factory model for SAXBuilder. See the new classes
DefaultJDOMFactory and JDOMFactory.
Changed Element.getTextTrim() behavior to truly be only a trim(). It used to
do normalization.
Changed Document and Element internal LinkedList implementation to ArrayList.
This change of list gives us a remarkable reduction in memory sizes for all
large documents tested, and gives a speed boost too.
Changed Element parentage so only one variable is used for the parent. It may
be of type Element or Document depending on where the elt is placed in the
tree. This saves one instance variable's worth of memory for each element in
the tree.
Added a new line after the DocType always, for better formatting.
Made the SAXHandler smart enough to ignore xmlns attributes. They shouldn't
appear when SAXHandler is used with SAXBuilder but sometimes appear with
driven by a different parser, such as with JDOMResult.
Made note that elt.getAdditionalNamespaces() returns an unmodifiable list, and
made the implementation enforce the rule. This change allows
Namespace.equals() to be implemented to compare URIs instead of resorting to
==, and more importantly it avoids having XMLOutputter trigger a new List
object creation for every element with an empty additional namespace list
(which is 99.9% of elements).
Refactored SAXBuilder to make it easier to extend.
* The parser is created in a separate createParser() method, and
configured in a separate configureParser() method.
* The content handler is created in a separate createContentHandler()
method, and configured in a separate configureContentHandler() method.
Improved builder exception handling to if anything in the build process throws
a JDOMException, we no longer wrap it in another JDOMException; we just
rethrow as-is.
Made XMLOutputter expose its NamespaceStack using an inner class, so
subclassers could have access to the stack.
BUG FIXES
---------
Fixed bug where Element.clone() didn't copy over PIs.
Made DOMOutputter check if there was a pre-existing root element on a new
document, and if so call replaceChild() instead of appendChild(). This is
necessary for Xerces 1.3 where new documents are created with a default
<root/> element.
Fixed a bug where Attr output(Attribute) wasn't using JAXP.
Improved the logic by which ProcessingInstruction parses attribute-style
values. The old logic was confused by whitespace, nested quotes, etc.
Added sanity check in DOMBuilder to ignores null NodeList and Node entries.
Per the DOM2 spec neither should ever be null, but that doesn't mean some DOM
implementations don't return null.
Fixed bug in Namespace.getNamespace() where the lookup for a pre-existing
identical namespaces would fail even if there was a pre-existing identical
namespace. This caused new Namespaces to be created on all
Namespace.getNamespace() calls!
Fixed bug where elt.clone() would concatenate adjacent strings.
Fixed bug in elt.hasChildren() where the logic could be confused if there was
a subclass of Element in the tree.
Fixed the Javadoc on Element.getAdditionalNamespaces() to say it returns an
empty list if empty. It used to say null. Empty is consistent with JDOM
elsewhere.
Fixed bug where adding a null to a setMixedContent() method would cause an NPE
while constructing the error message.
Fixed bug in SAXHandler where namespaces weren't being removed from the
available list, causing memory bloat.
Fixed DOMBuilder so it works better on non-namespace-aware documents. Now if
getLocalName() returns null we look for a specific tagname/attname.
Added ignorableWhitespace() method to SAXHandler to capture ignorable
whitespace. It can be turned off with
builder.setIgnoringElementContentWhitespace(true).
Changed Namespace.equals() to check equivalency based only on URI. It used to
be both URI and prefix. This new behavior is more in line with standard XML.
It's unlikely but possible that existing code might break because of this, if
any code puts Namespace objects into a collection and doesn't expect
namespaces with different prefixes to be treated identically. No deprecation
is possible though. Also fixed behavior of Namespace.hashCode() to depend
solely on the URI.
Fixed bug where DOMOutputter creates nodes with "" as their
node.getNamespaceURI() even if the node is not in a namespace.
Changed attribute value escaping to not escape single-quotes because it's not
necessary as attribute values are always surrounded by double-quotes.
Made sure XMLOutputter doesn't print the newline after the decl if the decl is
suppressed.
Fixed SAXOutputter to declare namespaces using start/endPrefixMapping methods.
Also added optional ability for SAXOutputter to report namespace declarations
(the xmlns: attributes) if setReportNamespaceDeclarations() is true.
Fixed performance bug where namespaces were continuously being added to the
availableNamespaces list unnecessarily, causing roughly as many entries to be
added as there were elements with namespaces. In simple testing, memory usage
for representing a namespace-intensive file went from 1.4 Megs to 460K.
Fixed addFirst() and addLast() in PartialList to work correctly.
Fixed a bug in PartialList where addAll() added *before* the last element
instead of after.
Made PartialList's addAll() method work OK if the backing list is non-empty
while the PartialList is empty.
Fixed build scripts to work OK on Windows with spaces in directory paths.
NEW ARCHIVES
------------
Added new *searchable* mailing list archives at
http://www.servlets.com/archive/servlet/SummarizeList?listName=jdom-interest
* * * * * * * * * * Beta6 from Beta5 * * * * * * * * * *
NEW CLASSES
-----------
Added new class org.jdom.input.BuilderErrorHandler as a default error handler
for JDOM builders. It ignores warnings but throws on errors and fatal errors.
Added a Crimson adapter CrimsonDOMAdapter.java, to support the parser slated
to come with JAXP 1.1.
NEW METHODS
-----------
Added parentage for Attribute, Comment, Element, Entity, and PI! They all now
have getParent() methods. All but Attribute have getDocument() methods also.
The addContent() and addAttribute() methods now check parentage and don't
allow an item to be added if it's already held by another.
Added to Element the method Namespace getNamespace(String prefix). It returns
the Namespace in scope with the given prefix. It helps with attributes whose
values include namespaces, like <xsl:template match="sg:title">.
Added DOMBuilder.setValidation(boolean) to set the validate flag after
construction, to match SAXBuilder.
Added DOMOutputter.output(Attribute) methods.
Added XMLOutputter.setExpandEmptyElements() to choose between <empty/> and
<empty></empty>.
Many new XMLOutputter methods for outputting document fragments.
SAXBuilder now has a setXMLFilter() method to allow setting of XMLFilter
objects to operate during the build.
Added to Element a hasChildren() method.
Added various removeContent() methods on Element. They were deprecated and
scheduled for removal, but they're now being kept.
Added various removeContent() methods on Document. These are brand new.
NEW SIGNATURES
--------------
Made clone() methods no longer final.
Made toString() methods no longer final.
Changed all outputter output() signatures to throw JDOMException in case of
problem.
Changed DOMAdapter signature so getDocument(String filename, ...) is now
getDocument(File filename, ...) to match the standard builder model. I did
not do a deprecation because no one should be using this internal API
directly, and if they are, I want to hear from them.
REMOVED METHODS
---------------
Removed all methods marked deprecated in beta5.
DEPRECATED METHODS
------------------
Marked Namespace.getNamespace(String prefix, Element context) deprecated
because it had been replaced by the more elegant elt.getNamespace(String
prefix).
Marked Document.addContent(Element) deprecated because there can be only one
element and it's properly set with setMixedContent().
Marked CDATA.setText() as deprecated. This is because CDATA doesn't have
parentage, and without parentage an object should be immutable.
ENHANCEMENTS
------------
Added JAXP 1.1 support to SAXBuilder, DOMBuilder, and DOMOutputter. The
default parser for all these is now the JAXP parser, with a fallback of Xerces
if JAXP isn't available.
Added improved Verifier checks of well-formedness throughout all of JDOM.
Among the most likely to be noticed:
- Added Verifier detection of wrongly places "xmlns" attributes.
- Added check in Attribute that a namespace with "" prefix must be
NO_NAMESPACE.
- Added Verifier checks so CDATA text cannot contain ">>]"
Upgraded provided parser to Xerces 1.2.
Improved SAXBuilder and DOMBuilder to be *much* smarter about namespaces.
Most likely to be noticed:
- DOMBuilder now keeps xmlns namespaces declaration location, and it now
relies on the parser to handle namespaces (necessary for importing a
document that has nodes moved around).
Made SAXBuilder and DOMBuilder much more specific on error reporting.
Brought DOMOutputter up to DOM Level 2 compliance.
- Added logic to DOMOutputter to add xmlns attributes to the DOM tree
where appropriate.
Added SAXOutputter to generate SAX events.
Improved documentation on clone() methods.
Changed XMLOutputter.escape*Entities() to protected from private to help
subclasses.
Improved removeContent() to solve a Crimson performance problem regarding
duplicate string entries.
Added logic to prevent an element from being added as a child or descendent of
itself.
Optimized SAXBuilder list handling so retrievals and removes will most likely
hit on their first try instead of their last try.
Added Namespace output to Element.toString() to help debugging element
namespace issues.
Improved the Verifier.isXML*() methods to operate much faster.
XMLOutputter now prints new lines after the declaration, even if newlines are
turned off for the rest of the document.
Made PI's getSerializedForm() smarter about spacing between target and data.
Now if there is no data, there's no space added.
Guarantee XMLOutputter prints a new line at the end of each document, for
better formatting, esp when printing to System.out.
Put samples in the "samples" package.
BUG FIXES
---------
Fixed bug in XMLOutputter where "additional namespace" declarations would be
output even if they were already declared by an ancestor.
Fixed bug where an element not in any namespace will still inherit the default
namespace from an ancestor.
Added fix to recognize implicit "xml" namespace during
Namespace.getNamespace() call.
Added fix so XMLOutputter no longer outputs XML_NAMESPACE.
Fixed Element.getDocument() behavior to work reliably.
Fixed Verifier to not see "xmlnsfoo" attributes as invalid.
Fixed Verifier to allow attribute names xml:lang and xml:space as special
cases.
Improved all adapters to throw exceptions on error instead of printing stack
traces.
Fixed Element.clone() to be a true deep copy.
Fixed bug in SAXBuilder that would throw an EmptyStackException if a PI
appeared after the root element.
Fixed bug in doc.setMixedContent(List) so it now stores the new data
correctly.
Made removeChildren() properly set parents to null, and to return true only if
children were actually deleted.
Changed SAXBuilder's endPrefixMapping(String, String) to be
endPrefixMapping(String) as it should have been so we now get the callback and
can remove namespaces.
Fixed PartialList.addAll() to behave as specified.
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