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SchemaFactory
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javax.xml.validation</FONT>
<BR>
Class SchemaFactory</H2>
<PRE>
java.lang.Object
<IMG SRC="../../../resources/inherit.gif" ALT="extended by"><B>javax.xml.validation.SchemaFactory</B>
</PRE>
<HR>
<DL>
<DT>public abstract class <B>SchemaFactory</B><DT>extends java.lang.Object</DL>
<P>
Factory that creates <A HREF="../../../javax/xml/validation/Schema.html" title="class in javax.xml.validation"><CODE>Schema</CODE></A> objects. Entry-point to
the validation API.
<p>
<A HREF="../../../javax/xml/validation/SchemaFactory.html" title="class in javax.xml.validation"><CODE>SchemaFactory</CODE></A> is a schema compiler. It reads external
representations of schemas and prepares them for validation.
<p>
The <A HREF="../../../javax/xml/validation/SchemaFactory.html" title="class in javax.xml.validation"><CODE>SchemaFactory</CODE></A> class is not thread-safe. In other words,
it is the application's responsibility to ensure that at most
one thread is using a <A HREF="../../../javax/xml/validation/SchemaFactory.html" title="class in javax.xml.validation"><CODE>SchemaFactory</CODE></A> object at any
given moment. Implementations are encouraged to mark methods
as <tt>synchronized</tt> to protect themselves from broken clients.
<p>
<A HREF="../../../javax/xml/validation/SchemaFactory.html" title="class in javax.xml.validation"><CODE>SchemaFactory</CODE></A> is not re-entrant. While one of the
<code>newSchema</code> methods is being invoked, applications
may not attempt to recursively invoke the <code>newSchema</code> method,
even from the same thread.
<h2><a name="schemaLanguage"></a>Schema Language</h2>
<p>
This spec uses a namespace URI to designate a schema language.
The following table shows the values defined by this specification.
<p>
To be compliant with the spec, the implementation
is only required to support W3C XML Schema 1.0. However,
if it chooses to support other schema languages listed here,
it must conform to the relevant behaviors described in this spec.
<p>
Schema languages not listed here are expected to
introduce their own URIs to represent themselves.
The <A HREF="../../../javax/xml/validation/SchemaFactory.html" title="class in javax.xml.validation"><CODE>SchemaFactory</CODE></A> class is capable of locating other
implementations for other schema languages at run-time.
<p>
Note that because the XML DTD is strongly tied to the parsing process
and has a significant effect on the parsing process, it is impossible
to define the DTD validation as a process independent from parsing.
For this reason, this specification does not define the semantics for
the XML DTD. This doesn't prohibit implentors from implementing it
in a way they see fit, but <em>users are warned that any DTD
validation implemented on this interface necessarily deviate from
the XML DTD semantics as defined in the XML 1.0</em>.
<table border="1" cellpadding="2">
<thead>
<tr>
<th>value</th>
<th>language</th>
</tr>
</thead>
<tbody>
<tr>
<td><A HREF="../../../javax/xml/XMLConstants.html#W3C_XML_SCHEMA_NS_URI"><CODE>XMLConstants.W3C_XML_SCHEMA_NS_URI</CODE></A> ("<code>http://www.w3.org/2001/XMLSchema</code>")</td>
<td><a href="http://www.w3.org/TR/xmlschema-1">W3C XML Schema 1.0</a></td>
</tr>
<tr>
<td><A HREF="../../../javax/xml/XMLConstants.html#RELAXNG_NS_URI"><CODE>XMLConstants.RELAXNG_NS_URI</CODE></A> ("<code>http://relaxng.org/ns/structure/1.0</code>")</td>
<td><a href="http://www.relaxng.org/">RELAX NG 1.0</a></td>
</tr>
</tbody>
</table>
<P>
<P>
<DL>
<DT><B>Since:</B></DT>
<DD>1.5</DD>
</DL>
<HR>
<P>
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<CODE>protected </CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/xml/validation/SchemaFactory.html#SchemaFactory()">SchemaFactory</A></B>()</CODE>
<BR>
Constructor for derived classes.</TD>
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<CODE>abstract org.xml.sax.ErrorHandler</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/xml/validation/SchemaFactory.html#getErrorHandler()">getErrorHandler</A></B>()</CODE>
<BR>
Gets the current <CODE>ErrorHandler</CODE> set to this <A HREF="../../../javax/xml/validation/SchemaFactory.html" title="class in javax.xml.validation"><CODE>SchemaFactory</CODE></A>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/xml/validation/SchemaFactory.html#getFeature(java.lang.String)">getFeature</A></B>(java.lang.String name)</CODE>
<BR>
Look up the value of a feature flag.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> java.lang.Object</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/xml/validation/SchemaFactory.html#getProperty(java.lang.String)">getProperty</A></B>(java.lang.String name)</CODE>
<BR>
Look up the value of a property.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>abstract org.w3c.dom.ls.LSResourceResolver</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/xml/validation/SchemaFactory.html#getResourceResolver()">getResourceResolver</A></B>()</CODE>
<BR>
Gets the current <CODE>LSResourceResolver</CODE> set to this <A HREF="../../../javax/xml/validation/SchemaFactory.html" title="class in javax.xml.validation"><CODE>SchemaFactory</CODE></A>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>abstract boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/xml/validation/SchemaFactory.html#isSchemaLanguageSupported(java.lang.String)">isSchemaLanguageSupported</A></B>(java.lang.String schemaLanguage)</CODE>
<BR>
Is specified schema supported by this <code>SchemaFactory</code>?</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static <A HREF="../../../javax/xml/validation/SchemaFactory.html" title="class in javax.xml.validation">SchemaFactory</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/xml/validation/SchemaFactory.html#newInstance(java.lang.String)">newInstance</A></B>(java.lang.String schemaLanguage)</CODE>
<BR>
Lookup an implementation of the <code>SchemaFactory</code> that supports the specified
schema language and return it.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>abstract <A HREF="../../../javax/xml/validation/Schema.html" title="class in javax.xml.validation">Schema</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/xml/validation/SchemaFactory.html#newSchema()">newSchema</A></B>()</CODE>
<BR>
Creates a special <A HREF="../../../javax/xml/validation/Schema.html" title="class in javax.xml.validation"><CODE>Schema</CODE></A> object.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../javax/xml/validation/Schema.html" title="class in javax.xml.validation">Schema</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/xml/validation/SchemaFactory.html#newSchema(java.io.File)">newSchema</A></B>(java.io.File schema)</CODE>
<BR>
Parses the specified <code>File</code> as a schema and returns it as a <code>Schema</code>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../javax/xml/validation/Schema.html" title="class in javax.xml.validation">Schema</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/xml/validation/SchemaFactory.html#newSchema(javax.xml.transform.Source)">newSchema</A></B>(<A HREF="../../../javax/xml/transform/Source.html" title="interface in javax.xml.transform">Source</A> schema)</CODE>
<BR>
Parses the specified source as a schema and returns it as a schema.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>abstract <A HREF="../../../javax/xml/validation/Schema.html" title="class in javax.xml.validation">Schema</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/xml/validation/SchemaFactory.html#newSchema(javax.xml.transform.Source[])">newSchema</A></B>(<A HREF="../../../javax/xml/transform/Source.html" title="interface in javax.xml.transform">Source</A>[] schemas)</CODE>
<BR>
Parses the specified source(s) as a schema and returns it as a schema.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../javax/xml/validation/Schema.html" title="class in javax.xml.validation">Schema</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/xml/validation/SchemaFactory.html#newSchema(java.net.URL)">newSchema</A></B>(java.net.URL schema)</CODE>
<BR>
Parses the specified <code>URL</code> as a schema and returns it as a <code>Schema</code>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>abstract void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/xml/validation/SchemaFactory.html#setErrorHandler(org.xml.sax.ErrorHandler)">setErrorHandler</A></B>(org.xml.sax.ErrorHandler errorHandler)</CODE>
<BR>
Sets the <CODE>ErrorHandler</CODE> to receive errors encountered
during the <code>newSchema</code> method invocation.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/xml/validation/SchemaFactory.html#setFeature(java.lang.String, boolean)">setFeature</A></B>(java.lang.String name,
boolean value)</CODE>
<BR>
Set the value of a feature flag.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/xml/validation/SchemaFactory.html#setProperty(java.lang.String, java.lang.Object)">setProperty</A></B>(java.lang.String name,
java.lang.Object object)</CODE>
<BR>
Set the value of a property.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>abstract void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/xml/validation/SchemaFactory.html#setResourceResolver(org.w3c.dom.ls.LSResourceResolver)">setResourceResolver</A></B>(org.w3c.dom.ls.LSResourceResolver resourceResolver)</CODE>
<BR>
Sets the <CODE>LSResourceResolver</CODE> to customize
resource resolution when parsing schemas.</TD>
</TR>
</TABLE>
<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TD><B>Methods inherited from class java.lang.Object</B></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD>
</TR>
</TABLE>
<P>
<!-- ============ FIELD DETAIL =========== -->
<!-- ========= CONSTRUCTOR DETAIL ======== -->
<A NAME="constructor_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TD COLSPAN=1><FONT SIZE="+2">
<B>Constructor Detail</B></FONT></TD>
</TR>
</TABLE>
<A NAME="SchemaFactory()"><!-- --></A><H3>
SchemaFactory</H3>
<PRE>
protected <B>SchemaFactory</B>()</PRE>
<DL>
<DD><p>Constructor for derived classes.</p>
<p>The constructor does nothing.</p>
<p>Derived classes must create <A HREF="../../../javax/xml/validation/SchemaFactory.html" title="class in javax.xml.validation"><CODE>SchemaFactory</CODE></A> objects that have
<code>null</code> <CODE>ErrorHandler</CODE> and
<code>null</code> <CODE>LSResourceResolver</CODE>.</p>
<P>
</DL>
<!-- ============ METHOD DETAIL ========== -->
<A NAME="method_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TD COLSPAN=1><FONT SIZE="+2">
<B>Method Detail</B></FONT></TD>
</TR>
</TABLE>
<A NAME="newInstance(java.lang.String)"><!-- --></A><H3>
newInstance</H3>
<PRE>
public static final <A HREF="../../../javax/xml/validation/SchemaFactory.html" title="class in javax.xml.validation">SchemaFactory</A> <B>newInstance</B>(java.lang.String schemaLanguage)</PRE>
<DL>
<DD><p>Lookup an implementation of the <code>SchemaFactory</code> that supports the specified
schema language and return it.</p>
<p>To find a <code>SchemaFactory</code> object for a given schema language,
this method looks the following places in the following order
where "the class loader" refers to the context class loader:</p>
<ol>
<li>
If the system property
<code>"javax.xml.validation.SchemaFactory:<i>schemaLanguage</i>"</code>
is present (where <i>schemaLanguage</i> is the parameter
to this method), then its value is read
as a class name. The method will try to
create a new instance of this class by using the class loader,
and returns it if it is successfully created.
</li>
<li>
<code>$java.home/lib/jaxp.properties</code> is read and
the value associated with the key being the system property above
is looked for. If present, the value is processed just like above.
</li>
<li>
<p>The class loader is asked for service provider provider-configuration files matching
<code>javax.xml.validation.SchemaFactory</code> in the resource directory META-INF/services.
See the JAR File Specification for file format and parsing rules.
Each potential service provider is required to implement the method:</p>
<pre>
<A HREF="../../../javax/xml/validation/SchemaFactory.html#isSchemaLanguageSupported(java.lang.String)"><CODE>isSchemaLanguageSupported(String schemaLanguage)</CODE></A>
</pre>
The first service provider found in class loader order that supports the specified schema language is returned.
</li>
<li>
Platform default <code>SchemaFactory</code> is located
in a implementation specific way. There must be a platform default
<code>SchemaFactory</code> for W3C XML Schema.
</li>
</ol>
<p>If everything fails, <CODE>IllegalArgumentException</CODE> will be thrown.</p>
<p><strong>Tip for Trouble-shooting:</strong></p>
<p>See <CODE>Properties.load(java.io.InputStream)</CODE> for
exactly how a property file is parsed. In particular, colons ':'
need to be escaped in a property file, so make sure schema language
URIs are properly escaped in it. For example:</p>
<pre>
http\://www.w3.org/2001/XMLSchema=org.acme.foo.XSSchemaFactory
</pre>
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>schemaLanguage</CODE> - Specifies the schema language which the returned
SchemaFactory will understand. See
<a href="#schemaLanguage">the list of available
schema languages</a> for the possible values.
<DT><B>Returns:</B><DD>New instance of a <code>SchemaFactory</code>
<DT><B>Throws:</B>
<DD><CODE>java.lang.IllegalArgumentException</CODE> - If no implementation of the schema language is available.
<DD><CODE>java.lang.NullPointerException</CODE> - If the <tt>schemLanguage</tt> parameter is null.</DL>
</DD>
</DL>
<HR>
<A NAME="isSchemaLanguageSupported(java.lang.String)"><!-- --></A><H3>
isSchemaLanguageSupported</H3>
<PRE>
public abstract boolean <B>isSchemaLanguageSupported</B>(java.lang.String schemaLanguage)</PRE>
<DL>
<DD><p>Is specified schema supported by this <code>SchemaFactory</code>?</p>
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>schemaLanguage</CODE> - Specifies the schema language which the returned <code>SchemaFactory</code> will understand.
<code>schemaLanguage</code> must specify a <a href="#schemaLanguage">valid</a> schema language.
<DT><B>Returns:</B><DD><code>true</code> if <code>SchemaFactory</code> supports <code>schemaLanguage</code>, else <code>false</code>.
<DT><B>Throws:</B>
<DD><CODE>java.lang.NullPointerException</CODE> - If <code>schemaLanguage</code> is <code>null</code>.
<DD><CODE>java.lang.IllegalArgumentException</CODE> - If <code>schemaLanguage.length() == 0</code>
or <code>schemaLanguage</code> does not specify a <a href="#schemaLanguage">valid</a> schema language.</DL>
</DD>
</DL>
<HR>
<A NAME="getFeature(java.lang.String)"><!-- --></A><H3>
getFeature</H3>
<PRE>
public boolean <B>getFeature</B>(java.lang.String name)
throws org.xml.sax.SAXNotRecognizedException,
org.xml.sax.SAXNotSupportedException</PRE>
<DL>
<DD>Look up the value of a feature flag.
<p>The feature name is any fully-qualified URI. It is
possible for a <A HREF="../../../javax/xml/validation/SchemaFactory.html" title="class in javax.xml.validation"><CODE>SchemaFactory</CODE></A> to recognize a feature name but
temporarily be unable to return its value.
<p>Implementors are free (and encouraged) to invent their own features,
using names built on their own URIs.</p>
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>name</CODE> - The feature name, which is a non-null fully-qualified URI.
<DT><B>Returns:</B><DD>The current value of the feature (true or false).
<DT><B>Throws:</B>
<DD><CODE>org.xml.sax.SAXNotRecognizedException</CODE> - If the feature
value can't be assigned or retrieved.
<DD><CODE>org.xml.sax.SAXNotSupportedException</CODE> - When the
<A HREF="../../../javax/xml/validation/SchemaFactory.html" title="class in javax.xml.validation"><CODE>SchemaFactory</CODE></A> recognizes the feature name but
cannot determine its value at this time.
<DD><CODE>java.lang.NullPointerException</CODE> - if the name parameter is null.<DT><B>See Also:</B><DD><A HREF="../../../javax/xml/validation/SchemaFactory.html#setFeature(java.lang.String, boolean)"><CODE>setFeature(String, boolean)</CODE></A></DL>
</DD>
</DL>
<HR>
<A NAME="setFeature(java.lang.String, boolean)"><!-- --></A><H3>
setFeature</H3>
<PRE>
public void <B>setFeature</B>(java.lang.String name,
boolean value)
throws org.xml.sax.SAXNotRecognizedException,
org.xml.sax.SAXNotSupportedException</PRE>
<DL>
<DD>Set the value of a feature flag.
<p>
Feature can be used to control the way a <A HREF="../../../javax/xml/validation/SchemaFactory.html" title="class in javax.xml.validation"><CODE>SchemaFactory</CODE></A>
parses schemas, although <A HREF="../../../javax/xml/validation/SchemaFactory.html" title="class in javax.xml.validation"><CODE>SchemaFactory</CODE></A>s are not required
to recognize any specific feature names.</p>
<p>The feature name is any fully-qualified URI. It is
possible for a <A HREF="../../../javax/xml/validation/SchemaFactory.html" title="class in javax.xml.validation"><CODE>SchemaFactory</CODE></A> to expose a feature value but
to be unable to change the current value.</p>
<p>All implementations are required to support the <A HREF="../../../javax/xml/XMLConstants.html#FEATURE_SECURE_PROCESSING"><CODE>XMLConstants.FEATURE_SECURE_PROCESSING</CODE></A> feature.
When the feature is:</p>
<ul>
<li>
<code>true</code>: the implementation will limit XML processing to conform to implementation limits.
Examples include enity expansion limits and XML Schema constructs that would consume large amounts of resources.
If XML processing is limited for security reasons, it will be reported via a call to the registered
<CODE>ErrorHandler.fatalError(SAXParseException exception)</CODE>.
See <A HREF="../../../javax/xml/validation/SchemaFactory.html#setErrorHandler(org.xml.sax.ErrorHandler)"><CODE>setErrorHandler(ErrorHandler errorHandler)</CODE></A>.
</li>
<li>
<code>false</code>: the implementation will processing XML according to the XML specifications without
regard to possible implementation limits.
</li>
</ul>
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>name</CODE> - The feature name, which is a non-null fully-qualified URI.<DD><CODE>value</CODE> - The requested value of the feature (true or false).
<DT><B>Throws:</B>
<DD><CODE>org.xml.sax.SAXNotRecognizedException</CODE> - If the feature
value can't be assigned or retrieved.
<DD><CODE>org.xml.sax.SAXNotSupportedException</CODE> - When the
<A HREF="../../../javax/xml/validation/SchemaFactory.html" title="class in javax.xml.validation"><CODE>SchemaFactory</CODE></A> recognizes the feature name but
cannot set the requested value.
<DD><CODE>java.lang.NullPointerException</CODE> - if the name parameter is null.<DT><B>See Also:</B><DD><A HREF="../../../javax/xml/validation/SchemaFactory.html#getFeature(java.lang.String)"><CODE>getFeature(String)</CODE></A></DL>
</DD>
</DL>
<HR>
<A NAME="setProperty(java.lang.String, java.lang.Object)"><!-- --></A><H3>
setProperty</H3>
<PRE>
public void <B>setProperty</B>(java.lang.String name,
java.lang.Object object)
throws org.xml.sax.SAXNotRecognizedException,
org.xml.sax.SAXNotSupportedException</PRE>
<DL>
<DD>Set the value of a property.
<p>The property name is any fully-qualified URI. It is
possible for a <A HREF="../../../javax/xml/validation/SchemaFactory.html" title="class in javax.xml.validation"><CODE>SchemaFactory</CODE></A> to recognize a property name but
to be unable to change the current value.</p>
<p><A HREF="../../../javax/xml/validation/SchemaFactory.html" title="class in javax.xml.validation"><CODE>SchemaFactory</CODE></A>s are not required to recognize setting
any specific property names.</p>
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>name</CODE> - The property name, which is a non-null fully-qualified URI.<DD><CODE>object</CODE> - The requested value for the property.
<DT><B>Throws:</B>
<DD><CODE>org.xml.sax.SAXNotRecognizedException</CODE> - If the property
value can't be assigned or retrieved.
<DD><CODE>org.xml.sax.SAXNotSupportedException</CODE> - When the
<A HREF="../../../javax/xml/validation/SchemaFactory.html" title="class in javax.xml.validation"><CODE>SchemaFactory</CODE></A> recognizes the property name but
cannot set the requested value.
<DD><CODE>java.lang.NullPointerException</CODE> - if the name parameter is null.</DL>
</DD>
</DL>
<HR>
<A NAME="getProperty(java.lang.String)"><!-- --></A><H3>
getProperty</H3>
<PRE>
public java.lang.Object <B>getProperty</B>(java.lang.String name)
throws org.xml.sax.SAXNotRecognizedException,
org.xml.sax.SAXNotSupportedException</PRE>
<DL>
<DD>Look up the value of a property.
<p>The property name is any fully-qualified URI. It is
possible for a <A HREF="../../../javax/xml/validation/SchemaFactory.html" title="class in javax.xml.validation"><CODE>SchemaFactory</CODE></A> to recognize a property name but
temporarily be unable to return its value.</p>
<p><A HREF="../../../javax/xml/validation/SchemaFactory.html" title="class in javax.xml.validation"><CODE>SchemaFactory</CODE></A>s are not required to recognize any specific
property names.</p>
<p>Implementors are free (and encouraged) to invent their own properties,
using names built on their own URIs.</p>
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>name</CODE> - The property name, which is a non-null fully-qualified URI.
<DT><B>Returns:</B><DD>The current value of the property.
<DT><B>Throws:</B>
<DD><CODE>org.xml.sax.SAXNotRecognizedException</CODE> - If the property
value can't be assigned or retrieved.
<DD><CODE>org.xml.sax.SAXNotSupportedException</CODE> - When the
XMLReader recognizes the property name but
cannot determine its value at this time.
<DD><CODE>java.lang.NullPointerException</CODE> - if the name parameter is null.<DT><B>See Also:</B><DD><A HREF="../../../javax/xml/validation/SchemaFactory.html#setProperty(java.lang.String, java.lang.Object)"><CODE>setProperty(String, Object)</CODE></A></DL>
</DD>
</DL>
<HR>
<A NAME="setErrorHandler(org.xml.sax.ErrorHandler)"><!-- --></A><H3>
setErrorHandler</H3>
<PRE>
public abstract void <B>setErrorHandler</B>(org.xml.sax.ErrorHandler errorHandler)</PRE>
<DL>
<DD>Sets the <CODE>ErrorHandler</CODE> to receive errors encountered
during the <code>newSchema</code> method invocation.
<p>
Error handler can be used to customize the error handling process
during schema parsing. When an <CODE>ErrorHandler</CODE> is set,
errors found during the parsing of schemas will be first sent
to the <CODE>ErrorHandler</CODE>.
<p>
The error handler can abort the parsing of a schema immediately
by throwing <CODE>SAXException</CODE> from the handler. Or for example
it can print an error to the screen and try to continue the
processing by returning normally from the <CODE>ErrorHandler</CODE>
<p>
If any <CODE>Throwable</CODE> (or instances of its derived classes)
is thrown from an <CODE>ErrorHandler</CODE>,
the caller of the <code>newSchema</code> method will be thrown
the same <CODE>Throwable</CODE> object.
<p>
<A HREF="../../../javax/xml/validation/SchemaFactory.html" title="class in javax.xml.validation"><CODE>SchemaFactory</CODE></A> is not allowed to
throw <CODE>SAXException</CODE> without first reporting it to
<CODE>ErrorHandler</CODE>.
<p>
Applications can call this method even during a <A HREF="../../../javax/xml/validation/Schema.html" title="class in javax.xml.validation"><CODE>Schema</CODE></A>
is being parsed.
<p>
When the <CODE>ErrorHandler</CODE> is null, the implementation will
behave as if the following <CODE>ErrorHandler</CODE> is set:
<pre>
class DraconianErrorHandler implements <CODE>ErrorHandler</CODE> {
public void fatalError( <CODE>SAXParseException</CODE> e ) throws <CODE>SAXException</CODE> {
throw e;
}
public void error( <CODE>SAXParseException</CODE> e ) throws <CODE>SAXException</CODE> {
throw e;
}
public void warning( <CODE>SAXParseException</CODE> e ) throws <CODE>SAXException</CODE> {
// noop
}
}
</pre>
<p>
When a new <A HREF="../../../javax/xml/validation/SchemaFactory.html" title="class in javax.xml.validation"><CODE>SchemaFactory</CODE></A> object is created, initially
this field is set to null. This field will <em>NOT</em> be
inherited to <A HREF="../../../javax/xml/validation/Schema.html" title="class in javax.xml.validation"><CODE>Schema</CODE></A>s, <A HREF="../../../javax/xml/validation/Validator.html" title="class in javax.xml.validation"><CODE>Validator</CODE></A>s, or
<A HREF="../../../javax/xml/validation/ValidatorHandler.html" title="class in javax.xml.validation"><CODE>ValidatorHandler</CODE></A>s that are created from this <A HREF="../../../javax/xml/validation/SchemaFactory.html" title="class in javax.xml.validation"><CODE>SchemaFactory</CODE></A>.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>errorHandler</CODE> - A new error handler to be set. This parameter can be null.</DL>
</DD>
</DL>
<HR>
<A NAME="getErrorHandler()"><!-- --></A><H3>
getErrorHandler</H3>
<PRE>
public abstract org.xml.sax.ErrorHandler <B>getErrorHandler</B>()</PRE>
<DL>
<DD>Gets the current <CODE>ErrorHandler</CODE> set to this <A HREF="../../../javax/xml/validation/SchemaFactory.html" title="class in javax.xml.validation"><CODE>SchemaFactory</CODE></A>.
<P>
<DD><DL>
<DT><B>Returns:</B><DD>This method returns the object that was last set through
the <A HREF="../../../javax/xml/validation/SchemaFactory.html#setErrorHandler(org.xml.sax.ErrorHandler)"><CODE>setErrorHandler(ErrorHandler)</CODE></A> method, or null
if that method has never been called since this <A HREF="../../../javax/xml/validation/SchemaFactory.html" title="class in javax.xml.validation"><CODE>SchemaFactory</CODE></A>
has created.<DT><B>See Also:</B><DD><A HREF="../../../javax/xml/validation/SchemaFactory.html#setErrorHandler(org.xml.sax.ErrorHandler)"><CODE>setErrorHandler(ErrorHandler)</CODE></A></DL>
</DD>
</DL>
<HR>
<A NAME="setResourceResolver(org.w3c.dom.ls.LSResourceResolver)"><!-- --></A><H3>
setResourceResolver</H3>
<PRE>
public abstract void <B>setResourceResolver</B>(org.w3c.dom.ls.LSResourceResolver resourceResolver)</PRE>
<DL>
<DD>Sets the <CODE>LSResourceResolver</CODE> to customize
resource resolution when parsing schemas.
<p>
<A HREF="../../../javax/xml/validation/SchemaFactory.html" title="class in javax.xml.validation"><CODE>SchemaFactory</CODE></A> uses a <CODE>LSResourceResolver</CODE>
when it needs to locate external resources while parsing schemas,
although exactly what constitutes "locating external resources" is
up to each schema language. For example, for W3C XML Schema,
this includes files <tt><include></tt>d or <tt><import></tt>ed,
and DTD referenced from schema files, etc.
<p>
Applications can call this method even during a <A HREF="../../../javax/xml/validation/Schema.html" title="class in javax.xml.validation"><CODE>Schema</CODE></A>
is being parsed.
<p>
When the <CODE>LSResourceResolver</CODE> is null, the implementation will
behave as if the following <CODE>LSResourceResolver</CODE> is set:
<pre>
class DumbDOMResourceResolver implements <CODE>LSResourceResolver</CODE> {
public <CODE>LSInput</CODE> resolveResource(
String publicId, String systemId, String baseURI) {
return null; // always return null
}
}
</pre>
<p>
If a <CODE>LSResourceResolver</CODE> throws a <CODE>RuntimeException</CODE>
(or instances of its derived classes),
then the <A HREF="../../../javax/xml/validation/SchemaFactory.html" title="class in javax.xml.validation"><CODE>SchemaFactory</CODE></A> will abort the parsing and
the caller of the <code>newSchema</code> method will receive
the same <CODE>RuntimeException</CODE>.
<p>
When a new <A HREF="../../../javax/xml/validation/SchemaFactory.html" title="class in javax.xml.validation"><CODE>SchemaFactory</CODE></A> object is created, initially
this field is set to null. This field will <em>NOT</em> be
inherited to <A HREF="../../../javax/xml/validation/Schema.html" title="class in javax.xml.validation"><CODE>Schema</CODE></A>s, <A HREF="../../../javax/xml/validation/Validator.html" title="class in javax.xml.validation"><CODE>Validator</CODE></A>s, or
<A HREF="../../../javax/xml/validation/ValidatorHandler.html" title="class in javax.xml.validation"><CODE>ValidatorHandler</CODE></A>s that are created from this <A HREF="../../../javax/xml/validation/SchemaFactory.html" title="class in javax.xml.validation"><CODE>SchemaFactory</CODE></A>.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>resourceResolver</CODE> - A new resource resolver to be set. This parameter can be null.</DL>
</DD>
</DL>
<HR>
<A NAME="getResourceResolver()"><!-- --></A><H3>
getResourceResolver</H3>
<PRE>
public abstract org.w3c.dom.ls.LSResourceResolver <B>getResourceResolver</B>()</PRE>
<DL>
<DD>Gets the current <CODE>LSResourceResolver</CODE> set to this <A HREF="../../../javax/xml/validation/SchemaFactory.html" title="class in javax.xml.validation"><CODE>SchemaFactory</CODE></A>.
<P>
<DD><DL>
<DT><B>Returns:</B><DD>This method returns the object that was last set through
the <A HREF="../../../javax/xml/validation/SchemaFactory.html#setResourceResolver(org.w3c.dom.ls.LSResourceResolver)"><CODE>setResourceResolver(LSResourceResolver)</CODE></A> method, or null
if that method has never been called since this <A HREF="../../../javax/xml/validation/SchemaFactory.html" title="class in javax.xml.validation"><CODE>SchemaFactory</CODE></A>
has created.<DT><B>See Also:</B><DD><A HREF="../../../javax/xml/validation/SchemaFactory.html#setErrorHandler(org.xml.sax.ErrorHandler)"><CODE>setErrorHandler(ErrorHandler)</CODE></A></DL>
</DD>
</DL>
<HR>
<A NAME="newSchema(javax.xml.transform.Source)"><!-- --></A><H3>
newSchema</H3>
<PRE>
public <A HREF="../../../javax/xml/validation/Schema.html" title="class in javax.xml.validation">Schema</A> <B>newSchema</B>(<A HREF="../../../javax/xml/transform/Source.html" title="interface in javax.xml.transform">Source</A> schema)
throws org.xml.sax.SAXException</PRE>
<DL>
<DD><p>Parses the specified source as a schema and returns it as a schema.</p>
<p>This is a convenience method for <A HREF="../../../javax/xml/validation/SchemaFactory.html#newSchema(javax.xml.transform.Source[])"><CODE>newSchema(Source[] schemas)</CODE></A>.</p>
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>schema</CODE> - Source that represents a schema.
<DT><B>Returns:</B><DD>New <code>Schema</code> from parsing <code>schema</code>.
<DT><B>Throws:</B>
<DD><CODE>org.xml.sax.SAXException</CODE> - If a SAX error occurs during parsing.
<DD><CODE>java.lang.NullPointerException</CODE> - if <tt>schema</tt> is null.</DL>
</DD>
</DL>
<HR>
<A NAME="newSchema(java.io.File)"><!-- --></A><H3>
newSchema</H3>
<PRE>
public <A HREF="../../../javax/xml/validation/Schema.html" title="class in javax.xml.validation">Schema</A> <B>newSchema</B>(java.io.File schema)
throws org.xml.sax.SAXException</PRE>
<DL>
<DD><p>Parses the specified <code>File</code> as a schema and returns it as a <code>Schema</code>.</p>
<p>This is a convenience method for <A HREF="../../../javax/xml/validation/SchemaFactory.html#newSchema(javax.xml.transform.Source)"><CODE>newSchema(Source schema)</CODE></A>.</p>
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>schema</CODE> - File that represents a schema.
<DT><B>Returns:</B><DD>New <code>Schema</code> from parsing <code>schema</code>.
<DT><B>Throws:</B>
<DD><CODE>org.xml.sax.SAXException</CODE> - If a SAX error occurs during parsing.
<DD><CODE>java.lang.NullPointerException</CODE> - if <tt>schema</tt> is null.</DL>
</DD>
</DL>
<HR>
<A NAME="newSchema(java.net.URL)"><!-- --></A><H3>
newSchema</H3>
<PRE>
public <A HREF="../../../javax/xml/validation/Schema.html" title="class in javax.xml.validation">Schema</A> <B>newSchema</B>(java.net.URL schema)
throws org.xml.sax.SAXException</PRE>
<DL>
<DD><p>Parses the specified <code>URL</code> as a schema and returns it as a <code>Schema</code>.</p>
<p>This is a convenience method for <A HREF="../../../javax/xml/validation/SchemaFactory.html#newSchema(javax.xml.transform.Source)"><CODE>newSchema(Source schema)</CODE></A>.</p>
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>schema</CODE> - <code>URL</code> that represents a schema.
<DT><B>Returns:</B><DD>New <code>Schema</code> from parsing <code>schema</code>.
<DT><B>Throws:</B>
<DD><CODE>org.xml.sax.SAXException</CODE> - If a SAX error occurs during parsing.
<DD><CODE>java.lang.NullPointerException</CODE> - if <tt>schema</tt> is null.</DL>
</DD>
</DL>
<HR>
<A NAME="newSchema(javax.xml.transform.Source[])"><!-- --></A><H3>
newSchema</H3>
<PRE>
public abstract <A HREF="../../../javax/xml/validation/Schema.html" title="class in javax.xml.validation">Schema</A> <B>newSchema</B>(<A HREF="../../../javax/xml/transform/Source.html" title="interface in javax.xml.transform">Source</A>[] schemas)
throws org.xml.sax.SAXException</PRE>
<DL>
<DD>Parses the specified source(s) as a schema and returns it as a schema.
<p>
The callee will read all the <A HREF="../../../javax/xml/transform/Source.html" title="interface in javax.xml.transform"><CODE>Source</CODE></A>s and combine them into a
single schema. The exact semantics of the combination depends on the schema
language that this <A HREF="../../../javax/xml/validation/SchemaFactory.html" title="class in javax.xml.validation"><CODE>SchemaFactory</CODE></A> object is created for.
<p>
When an <CODE>ErrorHandler</CODE> is set, the callee will report all the errors
found in sources to the handler. If the handler throws an exception, it will
abort the schema compilation and the same exception will be thrown from
this method. Also, after an error is reported to a handler, the callee is allowed
to abort the further processing by throwing it. If an error handler is not set,
the callee will throw the first error it finds in the sources.
<h2>W3C XML Schema 1.0</h2>
<p>
The resulting schema contains components from the specified sources.
The same result would be achieved if all these sources were
imported, using appropriate values for schemaLocation and namespace,
into a single schema document with a different targetNamespace
and no components of its own, if the import elements were given
in the same order as the sources. Section 4.2.3 of the XML Schema
recommendation describes the options processors have in this
regard. While a processor should be consistent in its treatment of
JAXP schema sources and XML Schema imports, the behaviour between
JAXP-compliant parsers may vary; in particular, parsers may choose
to ignore all but the first <import> for a given namespace,
regardless of information provided in schemaLocation.
<p>
If the parsed set of schemas includes error(s) as
specified in the section 5.1 of the XML Schema spec, then
the error must be reported to the <CODE>ErrorHandler</CODE>.
<h2>RELAX NG</h2>
<p>For RELAX NG, this method must throw <CODE>UnsupportedOperationException</CODE>
if <tt>schemas.length!=1</tt>.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>schemas</CODE> - inputs to be parsed. <A HREF="../../../javax/xml/validation/SchemaFactory.html" title="class in javax.xml.validation"><CODE>SchemaFactory</CODE></A> is required
to recognize <A HREF="../../../javax/xml/transform/sax/SAXSource.html" title="class in javax.xml.transform.sax"><CODE>SAXSource</CODE></A>,
<A HREF="../../../javax/xml/transform/stream/StreamSource.html" title="class in javax.xml.transform.stream"><CODE>StreamSource</CODE></A>, and <A HREF="../../../javax/xml/transform/dom/DOMSource.html" title="class in javax.xml.transform.dom"><CODE>DOMSource</CODE></A>.
<DT><B>Returns:</B><DD>Always return a non-null valid <A HREF="../../../javax/xml/validation/Schema.html" title="class in javax.xml.validation"><CODE>Schema</CODE></A> object.
Note that when an error has been reported, there is no
guarantee that the returned <A HREF="../../../javax/xml/validation/Schema.html" title="class in javax.xml.validation"><CODE>Schema</CODE></A> object is
meaningful.
<DT><B>Throws:</B>
<DD><CODE>org.xml.sax.SAXException</CODE> - If an error is found during processing the specified inputs.
When an <CODE>ErrorHandler</CODE> is set, errors are reported to
there first. See <A HREF="../../../javax/xml/validation/SchemaFactory.html#setErrorHandler(org.xml.sax.ErrorHandler)"><CODE>setErrorHandler(ErrorHandler)</CODE></A>.
<DD><CODE>java.lang.NullPointerException</CODE> - If the <code>schemas</code> parameter itself is null or
any item in the array is null.
<DD><CODE>java.lang.IllegalArgumentException</CODE> - If any item in the array is not recognized by this method.
<DD><CODE>java.lang.UnsupportedOperationException</CODE> - If the schema language doesn't support this operation.</DL>
</DD>
</DL>
<HR>
<A NAME="newSchema()"><!-- --></A><H3>
newSchema</H3>
<PRE>
public abstract <A HREF="../../../javax/xml/validation/Schema.html" title="class in javax.xml.validation">Schema</A> <B>newSchema</B>()
throws org.xml.sax.SAXException</PRE>
<DL>
<DD>Creates a special <A HREF="../../../javax/xml/validation/Schema.html" title="class in javax.xml.validation"><CODE>Schema</CODE></A> object.
<p>
The exact semantics of the returned <A HREF="../../../javax/xml/validation/Schema.html" title="class in javax.xml.validation"><CODE>Schema</CODE></A> object depends
on the schema language that this <A HREF="../../../javax/xml/validation/SchemaFactory.html" title="class in javax.xml.validation"><CODE>SchemaFactory</CODE></A> is created
for.
<p>
Also, implementations are allowed to use implementation-specific
property/feature to alter the semantics of this method.
<h2>W3C XML Schema 1.0</h2>
<p>
For XML Schema, this method creates a <A HREF="../../../javax/xml/validation/Schema.html" title="class in javax.xml.validation"><CODE>Schema</CODE></A> object that
performs validation by using location hints specified in documents.
<p>
The returned <A HREF="../../../javax/xml/validation/Schema.html" title="class in javax.xml.validation"><CODE>Schema</CODE></A> object assumes that if documents
refer to the same URL in the schema location hints,
they will always resolve to the same schema document. This
asusmption allows implementations to reuse parsed results of
schema documents so that multiple validations against the same
schema will run faster.
<p>
Note that the use of schema location hints introduces a
vulnerability to denial-of-service attacks.
<h2>RELAX NG</h2>
<p>
RELAX NG does not support this operation.
<P>
<DD><DL>
<DT><B>Returns:</B><DD>Always return non-null valid <A HREF="../../../javax/xml/validation/Schema.html" title="class in javax.xml.validation"><CODE>Schema</CODE></A> object.
<DT><B>Throws:</B>
<DD><CODE>java.lang.UnsupportedOperationException</CODE> - If this operation is not supported by the callee.
<DD><CODE>org.xml.sax.SAXException</CODE> - If this operation is supported but failed for some reason.</DL>
</DD>
</DL>
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