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      <div class="h3">
      <h3><a name="intro">&lt;binding&gt; Element Definition</a></h3>
      
<p>The <b>binding</b> element is the root of a binding definition. This defines
characteristics for the entire binding. It supports several unique attributes
as well as two common attribute groups:</p>

<h4><a name="Attributes">Attributes</a></h4>
<table cellpadding="3" cellspacing="2" border="1" width="100%">
<tr class="b">
<td>add-constructors</td>
<td><p>When this optional attribute is present with value "true", the binding
compiler will add a default constructor to a bound class when necessary to make
it usable in the binding. Default constructors are needed when there's no
unmarshaller or factory method for an object reference. Constructors can only be
added to classes which are available as class files for modification during the
binding compile.</p></td>
</tr>
<tr class="a">
<td>direction</td>
<td><p>Binding direction, which must be &quot;input&quot; (unmarshalling only),
&quot;output&quot; (marshalling only), or &quot;both&quot; (both marshalling
and unmarshalling, the default if this attribute is not given).</p></td>
</tr>
<tr class="b">
<td>force-classes</td>
<td><p>When this optional attribute is present with value "true", it forces
generation of marshaller/unmarshaller classes for top-level abstract mappings
which are not extended by other mappings. Normally these classes would not be
generated, since such mappings are never used directly within the binding. The
classes can be used at runtime by custom code, though, as the equivalent of type
mappings. The default value is "false".</p></td>
</tr>
<tr class="a">
<td>forwards</td>
<td><p>Controls whether forward references to ids are supported when
unmarshalling, at the cost of some (minor) additional overhead and code size.
If supplied the value must be &quot;true&quot; (forwards supported) or
&quot;false&quot; (ids must be defined before they are referenced). The
default is &quot;true&quot;.</p></td>
</tr>
<tr class="b">
<td>name</td>
<td><p>The name for this binding. The supplied name must consist only of
characters which are valid as part of a Java identifier (so no spaces, periods,
etc.). The default if this attribute is not used is to take the name of the file
containing the definition document, with any file extension suffix stripped off
and invalid characters replaced by underscores (so a binding definition in a
file named &quot;binding-2.xml&quot; has the default name
&quot;binding_2&quot;).</p></td>
</tr>
<tr class="a">
<td>package</td>
<td><p>Java package used for created binding factory class. By default this is
the same package as the class associated with the first <b>mapping</b> child
element. If present, the value must be a Java package name
(as in &quot;org.jibx.runtime&quot;).</p></td>
</tr>
<tr class="b">
<td>track-source</td>
<td><p>When this optional attribute is present with value "true", the binding
compiler adds code to each bound object class to implement the
<code>org.jibx.runtime.ITrackSource</code> interface and store source position
information when instance objects are unmarshalled. This interface lets you
retrieve information about the source document and specific line and column
location of the document component associated with that object. The default
value is "false".</p></td>
</tr>
<tr class="a">
<td>trim-whitespace</td>
<td><p>When this optional attribute is present with value "true", whitespace is
trimmed from all simple text values before the value is deserialized. The effect
is the same as if all the built-in <a href="conversions.html">conversions</a> were
defined using whitespace="trim" (see the <a href="binding-attributes.html#string">string</a>
attribute group). This makes the conversions compatible with schema types.</p></td>
</tr>
<tr class="b">
<td><a href="binding-attributes.html#style">style</a></td>
<td><p>A <b>value-style</b> attribute present on the <b>binding</b> element sets a
default for all contained elements. See the <a
href="binding-attributes.html#style">style attribute group</a> description
for usage details.</p></td>
</tr>
<!--<td>global-ids</td>
<td><p>Determines whether object id values are global (as in normal XML ID/IDREF
usage) or specific to a particular object type. If supplied the value must be
&quot;true&quot; (global ids) or &quot;false&quot; (type-specific ids). The
default is &quot;true&quot;. <b>Not implemented for Beta 3a.</b></p></td>
</tr>
<tr class="a">  -->
<!--<tr class="b">
<td>auto-prefix</td>
<td><p>Prefix used if automatically generating object ids. By default this is
&quot;id_&quot;, but any prefix can be defined using this attribute. <b>Not
implemented for Beta 3a.</b></p></td>
</tr> -->
</table>

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      <td> &copy; 2003-2011, Dennis M. Sosnoski (<a href="http://www.sosnoski.co.nz">Sosnoski Software Associates Ltd</a>).
      Licensed to the JiBX Project for free distribution and use. </td>
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