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POAndroid: Convert xml using xslt
 

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    <p>I want to transform some xml using an xsl-file and output the result somehow (I'm using Android Api Level 8).</p> <p>My current activity looks like this, but the transformer stays null. LogCat throws an <code>System.err</code> with <code>org.apache.harmony.xml.ExpatParser$ParseException</code>, saying the xml is not well-formed, but I made sure it is.</p> <p>I found a hint in LogCat that says <code>SystemId Unknown</code> just before the above error message.</p> <p>What am I doing wrong?</p> <pre><code>import java.io.OutputStream; import javax.xml.transform.Source; import javax.xml.transform.Transformer; import javax.xml.transform.TransformerConfigurationException; import javax.xml.transform.TransformerException; import javax.xml.transform.TransformerFactory; import javax.xml.transform.TransformerFactoryConfigurationError; import javax.xml.transform.stream.StreamResult; import javax.xml.transform.stream.StreamSource; import android.app.Activity; import android.os.Bundle; public class XsltTester extends Activity { private static String TAG = XsltTester.class.getSimpleName(); /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); try { Source xmlSource = new StreamSource(this.getResources().openRawResource(R.xml.source)); Source xsltSource = new StreamSource(this.getResources().openRawResource(R.xml.products)); TransformerFactory transFact = TransformerFactory.newInstance(); Transformer trans = transFact.newTransformer(xsltSource); OutputStream output = new StringOutputStream(); StreamResult result = new StreamResult(output); trans.transform(xmlSource, result); } catch (TransformerConfigurationException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (TransformerFactoryConfigurationError e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (TransformerException e) { // TODO Auto-generated catch block e.printStackTrace(); } } } </code></pre> <p>This is the xml-file to be transformed (source.xml)</p> <pre><code>&lt;?xml version="1.0"?&gt; &lt;!-- &lt;?xml-stylesheet href="beatle.xsl" type="text/xsl"?&gt; --&gt; &lt;person&gt; &lt;name&gt; &lt;firstname&gt;Paul&lt;/firstname&gt; &lt;lastname&gt;McCartney&lt;/lastname&gt; &lt;/name&gt; &lt;job&gt;Singer&lt;/job&gt; &lt;gender&gt;Male&lt;/gender&gt; &lt;/person&gt; </code></pre> <p>And this is the corresponding xsl (products.xsl) </p> <pre><code>&lt;xsl:template match="child::person"&gt; &lt;html&gt; &lt;head&gt; &lt;title&gt; &lt;xsl:value-of select="descendant::firstname" /&gt; &lt;xsl:text&gt; &lt;/xsl:text&gt; &lt;xsl:value-of select="descendant::lastname" /&gt; &lt;/title&gt; &lt;/head&gt; &lt;body&gt; &lt;xsl:value-of select="descendant::firstname" /&gt; &lt;xsl:text&gt; &lt;/xsl:text&gt; &lt;xsl:value-of select="descendant::lastname" /&gt; &lt;/body&gt; &lt;/html&gt; &lt;/xsl:template&gt; &lt;/xsl:stylesheet&gt; </code></pre>
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    1. COHi, I'm trying to practice your example for the benefit of my own project but I cannot instantiate or import StringOutputStream. Where is this class from? Have you written it yourself? I'm using API 8 as well. Thank you.
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