Edit C:\apache-ant-1.8.0\docs\manual\CoreTasks\style.html
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See the License for the specific language governing permissions and limitations under the License. --> <html> <head> <meta http-equiv="Content-Language" content="en-us"> <link rel="stylesheet" type="text/css" href="../stylesheets/style.css"> <title>XSLT Task</title> </head> <body> <h2><a name="style">XSLT</a></h2> <p><em>The name <code>style</code> is a deprecated name for the same task.</em></p> <h3>Description</h3> <p>Process a set of documents via XSLT.</p> <p>This is useful for building views of XML based documentation, or for generating code.</p> <p><b>Note:</b> If you are using JDK 1.4 or higher, this task does not require external libraries not supplied in the Ant distribution. However, often the built in XSL engine is not as up to date as a fresh download, so an update is still highly recommended in particular since the built-in XSLT processors of Java 5 (and to a certain extent Java 6) are known to have serious issues. See <a href="../install.html#librarydependencies">Library Dependencies</a> for more information.</p> <p>It is possible to refine the set of files that are being processed. This can be done with the <i>includes</i>, <i>includesfile</i>, <i>excludes</i>, <i>excludesfile</i> and <i>defaultexcludes</i> attributes. With the <i>includes</i> or <i>includesfile</i> attribute you specify the files you want to have included by using patterns. The <i>exclude</i> or <i>excludesfile</i> attribute is used to specify the files you want to have excluded. This is also done with patterns. And finally with the <i>defaultexcludes</i> attribute, you can specify whether you want to use default exclusions or not. See the section on <a href="../dirtasks.html#directorybasedtasks">directory based tasks</a>, on how the inclusion/exclusion of files works, and how to write patterns.</p> <p>This task forms an implicit <a href="../CoreTypes/fileset.html">FileSet</a> and supports all attributes of <code><fileset></code> (<code>dir</code> becomes <code>basedir</code>) as well as the nested <code><include></code>, <code><exclude></code> and <code><patternset></code> elements.</p> <p><b>Note</b>: Unlike other similar tasks, this task treats directories that have been matched by the include/exclude patterns of the implicit fileset in a special way. It will apply the stylesheets to all files contain in them as well. Since the default include pattern is <code>**</code> this means it will apply the stylesheet to all files. If you specify an excludes pattern, it may still work on the files matched by those patterns because the parent directory has been matched. If this behavior is not what you want, set the scanincludedirectories attribute to false.</p> <p>Starting with Ant 1.7 this task supports nested <a href="../CoreTypes/resources.html#collection">resource collection</a>s in addition to (or instead of, depending on the useImplicitFileset attribute) the implicit fileset formed by this task.</p> <p>This task supports the use of a nested <code><param></code> element which is used to pass values to an <code><xsl:param></code> declaration.</p> <p>This task supports the use of a nested <a href="../CoreTypes/xmlcatalog.html">xmlcatalog</a> element which is used to perform Entity and URI resolution.</p> <h3>Parameters</h3> <table border="1" cellpadding="2" cellspacing="0"> <tr> <td valign="top"><b>Attribute</b></td> <td valign="top"><b>Description</b></td> <td align="center" valign="top"><b>Required</b></td> </tr> <tr> <td valign="top">basedir</td> <td valign="top">where to find the source XML file, default is the project's basedir.</td> <td align="center" valign="top">No</td> </tr> <tr> <td valign="top">destdir</td> <td valign="top">directory in which to store the results.</td> <td align="center" valign="top">Yes, unless in and out have been specified.</td> </tr> <tr> <td valign="top">extension</td> <td valign="top">desired file extension to be used for the targets. If not specified, the default is ".html". Will be ignored if a nested <code><mapper></code> has been specified.</td> <td align="center" valign="top">No</td> </tr> <tr> <td valign="top">style</td> <td valign="top">name of the stylesheet to use - given either relative to the project's basedir or as an absolute path.<br/> <br/> Alternatively, a nested element which ant can interpret as a resource can be used to indicate where to find the stylesheet<br/> <em>deprecated variation :</em> <br/> If the stylesheet cannot be found, and if you have specified the attribute basedir for the task, ant will assume that the style attribute is relative to the basedir of the task. </td> <td align="center" valign="top">No, if the location of the stylesheet is specified using a nested <style> element</td> </tr> <tr> <td valign="top">classpath</td> <td valign="top">the classpath to use when looking up the XSLT processor.</td> <td align="center" valign="top">No</td> </tr> <tr> <td valign="top">classpathref</td> <td valign="top">the classpath to use, given as <a href="../using.html#references">reference</a> to a path defined elsewhere.</td> <td align="center" valign="top">No</td> </tr> <tr> <td valign="top">force</td> <td valign="top">Recreate target files, even if they are newer than their corresponding source files or the stylesheet.</td> <td valign="top" align="center">No; default is false</td> </tr> <tr> <td valign="top">processor</td> <td valign="top">name of the XSLT processor to use. Permissible value is :<ul> <li>"trax" for a TraX compliant processor (ie JAXP interface implementation such as Xalan 2 or Saxon)</li></ul> Defaults to trax. <br/> Support for xalan1 has been removed in ant 1.7. </td> <td align="center" valign="top">No</td> </tr> <tr> <td valign="top">includes</td> <td valign="top">comma- or space-separated list of patterns of files that must be included. All files are included when omitted.</td> <td valign="top" align="center">No</td> </tr> <tr> <td valign="top">includesfile</td> <td valign="top">the name of a file. Each line of this file is taken to be an include pattern</td> <td valign="top" align="center">No</td> </tr> <tr> <td valign="top">excludes</td> <td valign="top">comma- or space-separated list of patterns of files that must be excluded. No files (except default excludes) are excluded when omitted.</td> <td valign="top" align="center">No</td> </tr> <tr> <td valign="top">excludesfile</td> <td valign="top">the name of a file. Each line of this file is taken to be an exclude pattern</td> <td valign="top" align="center">No</td> </tr> <tr> <td valign="top">defaultexcludes</td> <td valign="top">indicates whether default excludes should be used or not ("yes"/"no"). Default excludes are used when omitted.</td> <td valign="top" align="center">No</td> </tr> <tr> <td valign="top">in</td> <td valign="top">specifies a single XML document to be styled. Should be used with the out attribute.</td> <td valign="top" align="center">No</td> </tr> <tr> <td valign="top">out</td> <td valign="top">specifies the output name for the styled result from the in attribute.</td> <td valign="top" align="center">No</td> </tr> <tr> <td valign="top">scanincludeddirectories</td> <td valign="top">If any directories are matched by the includes/excludes patterns, try to transform all files in these directories. Default is <code>true</code></td> <td valign="top" align="center">No</td> </tr> <tr> <td valign="top">reloadstylesheet</td> <td valign="top">Control whether the stylesheet transformer is created anew for every transform opertaion. If you set this to true, performance may suffer, but you may work around a bug in certain Xalan-J versions. Default is <code>false</code>. <em>Since Ant 1.5.2</em>.</td> <td valign="top" align="center">No</td> </tr> <tr> <td valign="top">useImplicitFileset</td> <td valign="top">Whether the implicit fileset formed by this task shall be used. If you set this to false you must use nested resource collections - or the in attribute, in which case this attribute has no impact anyway. Default is <code>true</code>. <em>Since Ant 1.7</em>.</td> <td valign="top" align="center">No</td> </tr> <tr> <td valign="top">filenameparameter</td> <td valign="top">Specifies a xsl parameter for accessing the name of the current processed file. If not set, the file name is not passed to the transformation. <em>Since Ant 1.7</em>.</td> <td valign="top" align="center">No</td> </tr> <tr> <td valign="top">filedirparameter</td> <td valign="top">Specifies a xsl parameter for accessing the directory of the current processed file. For files in the current directory a value of '.' will be passed to the transformation. If not set, the directory is not passed to the transformation. <em>Since Ant 1.7</em>.</td> <td valign="top" align="center">No</td> </tr> <tr> <td valign="top">supressWarnings</td> <td valign="top">Whether processor warnings shall be suppressed. This option requires support by the processor, it is supported by the trax processor bundled with Ant. <em>Since Ant 1.8.0</em>.</td> <td valign="top" align="center">No, default is false.</td> </tr> <tr> <td valign="top">failOnError</td> <td valign="top">Whether the build should fail if any error occurs. Note that transformation errors can still be surpressed by setting failOnTransformationError to false even if this attribute is true. <em>Since Ant 1.8.0</em>.</td> <td valign="top" align="center">No, default is true.</td> </tr> <tr> <td valign="top">failOnTransformationError</td> <td valign="top">Whether the build should fail if an error occurs while transforming the document. Note that this attribute has no effect of <code>failOnError</code> is false. <em>Since Ant 1.8.0</em>.</td> <td valign="top" align="center">No, default is true.</td> </tr> <tr> <td valign="top">failOnNoResources</td> <td valign="top">Whether the build should fail if the nested resource collection is empty. Note that this attribute has no effect of <code>failOnError</code> is false. <em>Since Ant 1.8.0</em>.</td> <td valign="top" align="center">No, default is true.</td> </tr> </table> <h3>Parameters specified as nested elements</h3> <h4>any <a href="../CoreTypes/resources.html#collection">resource collection</a></h4> <p><em>since Ant 1.7</em></p> <p>Use resource collections to specify resources that the stylesheet should be applied to. Use a nested mapper and the task's destdir attribute to specify the output files.</p> <h4>classpath</h4> <p>The classpath to load the processor from can be specified via a nested <code><classpath></code>, as well - that is, a <a href="../using.html#path">path</a>-like structure.</p> <h4>xmlcatalog</h4> <p>The <a href="../CoreTypes/xmlcatalog.html">xmlcatalog</a> element is used to perform Entity and URI resolution.</p> <h4>param</h4> <p>Param is used to pass a parameter to the XSL stylesheet.</p> <blockquote> <h4>Parameters</h4> <table width="60%" border="1" cellpadding="2" cellspacing="0"> <tr> <td valign="top"><b>Attribute</b></td> <td valign="top"><b>Description</b></td> <td align="center" valign="top"><b>Required</b></td> </tr> <tr> <td valign="top">name</td> <td valign="top">Name of the XSL parameter</td> <td align="center" valign="top">Yes</td> </tr> <tr> <td valign="top">expression</td> <td valign="top">Text value to be placed into the param.<br> Was originally intended to be an XSL expression.</td> <td align="center" valign="top">Yes</td> </tr> <tr> <td valign="top">if</td> <td valign="top">The param will only be passed <a href="../properties.html#if+unless">if this property is set</a>.</td> <td align="center" valign="top">No</td> </tr> <tr> <td valign="top">unless</td> <td valign="top">The param will not be passed <a href="../properties.html#if+unless">if this property is set</a>.</td> <td align="center" valign="top">No</td> </tr> </table> </blockquote> <h4>outputproperty ('trax' processors only)</h4> <p>Used to specify how you wish the result tree to be output as specified in the <a href="http://www.w3.org/TR/xslt#output"> XSLT specifications</a>. <blockquote> <h4>Parameters</h4> <table width="60%" border="1" cellpadding="2" cellspacing="0"> <tr> <td valign="top"><b>Attribute</b></td> <td valign="top"><b>Description</b></td> <td align="center" valign="top"><b>Required</b></td> </tr> <tr> <td valign="top">name</td> <td valign="top">Name of the property</td> <td align="center" valign="top">Yes</td> </tr> <tr> <td valign="top">value</td> <td valign="top">value of the property.</td> <td align="center" valign="top">Yes</td> </tr> </table> </blockquote> <h4>factory ('trax' processors only)</h4> Used to specify factory settings. <blockquote> <h4>Parameters</h4> <table width="60%" border="1" cellpadding="2" cellspacing="0"> <tr> <td valign="top"><b>Attribute</b></td> <td valign="top"><b>Description</b></td> <td align="center" valign="top"><b>Required</b></td> </tr> <tr> <td valign="top">name</td> <td valign="top">fully qualified classname of the transformer factory to use. For example <tt>org.apache.xalan.processor.TransformerFactoryImpl</tt> or <tt>org.apache.xalan.xsltc.trax.TransformerFactoryImpl</tt> or <tt>net.sf.saxon.TransformerFactoryImpl</tt>... </td> <td align="center" valign="top">No. Defaults to the JAXP lookup mechanism.</td> </tr> </table> <h3>Parameters specified as nested elements</h3> <h4>attribute </h4> <p>Used to specify settings of the processor factory. The attribute names and values are entirely processor specific so you must be aware of the implementation to figure them out. Read the documentation of your processor. For example, in Xalan 2.x: <ul> <li>http://xml.apache.org/xalan/features/optimize (boolean)</li> <li>http://xml.apache.org/xalan/features/incremental (boolean)</li> <li>...</li> </ul> And in Saxon 7.x: <ul> <li>http://saxon.sf.net/feature/allow-external-functions (boolean)</li> <li>http://saxon.sf.net/feature/timing (boolean)</li> <li>http://saxon.sf.net/feature/traceListener (string)</li> <li>http://saxon.sf.net/feature/treeModel (integer)</li> <li>http://saxon.sf.net/feature/linenumbering (integer)</li> <li>...</li> </ul> <blockquote> <h4>Parameters</h4> <table width="60%" border="1" cellpadding="2" cellspacing="0"> <tr> <td valign="top"><b>Attribute</b></td> <td valign="top"><b>Description</b></td> <td align="center" valign="top"><b>Required</b></td> </tr> <tr> <td valign="top">name</td> <td valign="top">Name of the attribute</td> <td align="center" valign="top">Yes</td> </tr> <tr> <td valign="top">value</td> <td valign="top">value of the attribute.</td> <td align="center" valign="top">Yes</td> </tr> </table> </blockquote> </blockquote> <h4>mapper</h4> <p><em>since Ant 1.6.2</em></p> <p>You can define filename transformations by using a nested <a href="../CoreTypes/mapper.html">mapper</a> element. The default mapper used by <code><xslt></code> removes the file extension from the source file and adds the extension specified via the extension attribute.</p> <h4>style</h4> <p><em>Since Ant 1.7</em></p> <p>The nested style element can be used to specify your stylesheet in terms of Ant's <a href="../CoreTypes/resources.html">resource</a> types. With this element, the stylesheet should be specified as a nested resource or single-element collection. Alternatively, use the <code>refid</code> to specify the resource or collection as a reference.</p> <h4>sysproperty</h4> <p>Use nested <code><sysproperty></code> elements to specify system properties required by the factory or transformation. These properties will be made available to the VM during the execution of the class. The attributes for this element are the same as for <a href="exec.html#env">environment variables</a>.</p> <p><em>since Ant 1.8.0</em>.</p> <h4>syspropertyset</h4> <p>You can specify a set of properties to be used as system properties with <a href="../CoreTypes/propertyset.html">syspropertyset</a>s.</p> <p><em>since Ant 1.8.0</em>.</p> <h3>Examples</h3> <blockquote> <pre> <xslt basedir="doc" destdir="build/doc" extension=".html" style="style/apache.xsl"/></pre> <h4>Using an xmlcatalog</h4> <pre> <xslt basedir="doc" destdir="build/doc" extension=".html" style="style/apache.xsl"> <xmlcatalog refid="mycatalog"/> </xslt> <xslt basedir="doc" destdir="build/doc" extension=".html" style="style/apache.xsl"> <xmlcatalog> <dtd publicId="-//ArielPartners//DTD XML Article V1.0//EN" location="com/arielpartners/knowledgebase/dtd/article.dtd"/> </xmlcatalog> </xslt> </pre> <h4>Using XSL parameters</h4> <pre> <xslt basedir="doc" destdir="build/doc" extension=".html" style="style/apache.xsl"> <param name="date" expression="07-01-2000"/> </xslt></pre> <p>Then if you declare a global parameter "date" with the top-level element <xsl:param name="date"/>, the variable <code>$date</code> will subsequently have the value 07-01-2000. </p> <h4>Using output properties</h4> <pre> <xslt in="doc.xml" out="build/doc/output.xml" style="style/apache.xsl"> <outputproperty name="method" value="xml"/> <outputproperty name="standalone" value="yes"/> <outputproperty name="encoding" value="iso8859_1"/> <outputproperty name="indent" value="yes"/> </xslt> </pre> <h4>Using factory settings</h4> <pre> <xslt in="doc.xml" out="build/doc/output.xml" style="style/apache.xsl"> <factory name="org.apache.xalan.processor.TransformerFactoryImpl"> <attribute name="http://xml.apache.org/xalan/features/optimize" value="true"/> </factory> </xslt></pre> <h4>Using a mapper</h4> <pre> <xslt basedir="in" destdir="out" style="style/apache.xsl"> <mapper type="glob" from="*.xml.en" to="*.html.en"/> </xslt></pre> <h4>Using a nested resource to define the stylesheet</h4> <pre> <xslt in="data.xml" out="${out.dir}/out.xml"> <style> <url url="${printParams.xsl.url}"/> </style> <param name="set" expression="value"/> </xslt></pre> <h4>Print the current processed file name</h4> <pre> <project> <xslt style="printFilename.xsl" destdir="out" basedir="in" extension=".txt" filenameparameter="filename" filedirparameter="filedir" /> </project> <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"> <xsl:param name="filename"></xsl:param> <xsl:param name="filedir">.</xsl:param> <xsl:template match="/"> Current file is <xsl:value-of select="$filename"/> in directory <xsl:value-of select="$filedir"/>. </xsl:template> </xsl:stylesheet> </pre> <h4>Use an XInclude-aware version of Xerces while transforming</h4> <pre> <xslt ...> <sysproperty key="org.apache.xerces.xni.parser.XMLParserConfiguration" value="org.apache.xerces.parsers.XIncludeParserConfiguration" /> <xslt> </pre> </blockquote> </body> </html>
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