/** Configure this transformer, possibly passing to it a jtidy configuration file location. */
public void configure(Configuration config) throws ConfigurationException {
super.configure(config);
String configUrl = config.getChild("jtidy-config").getValue(null);
if (configUrl != null) {
org.apache.excalibur.source.SourceResolver resolver = null;
Source configSource = null;
try {
resolver =
(org.apache.excalibur.source.SourceResolver)
this.manager.lookup(org.apache.excalibur.source.SourceResolver.ROLE);
configSource = resolver.resolveURI(configUrl);
if (getLogger().isDebugEnabled()) {
getLogger().debug("Loading configuration from " + configSource.getURI());
}
this.properties = new Properties();
this.properties.load(configSource.getInputStream());
} catch (Exception e) {
getLogger().warn("Cannot load configuration from " + configUrl);
throw new ConfigurationException("Cannot load configuration from " + configUrl, e);
} finally {
if (null != resolver) {
this.manager.release(resolver);
resolver.release(configSource);
}
}
}
}
public SourceProperty getSourceProperty(Source source, String namespace, String name)
throws SourceException {
if ((namespace.equals(m_namespace))
&& (name.equals(m_propertyname))
&& (source.getURI().endsWith(m_extension))) {
DOMParser parser = null;
Document doc = null;
try {
parser = (DOMParser) manager.lookup(DOMParser.ROLE);
InputSource is = new InputSource(source.getInputStream());
is.setSystemId(source.getURI());
doc = parser.parseDocument(is);
} catch (SAXException se) {
getLogger().error(source.getURI() + " is not a valid XML file");
} catch (IOException ioe) {
getLogger().error("Could not read file", ioe);
} catch (ServiceException ce) {
getLogger().error("Missing service dependency: DOMParser", ce);
} finally {
if (parser != null) {
this.manager.release(parser);
}
}
if (doc != null) {
XPathProcessor processor = null;
try {
processor = (XPathProcessor) manager.lookup(XPathProcessor.ROLE);
NodeList nodelist = processor.selectNodeList(doc.getDocumentElement(), m_xpath);
SourceProperty property = new SourceProperty(m_namespace, m_propertyname);
property.setValue(nodelist);
return property;
} catch (ServiceException se) {
this.getLogger().error("Could not retrieve component", se);
} finally {
if (processor != null) {
this.manager.release(processor);
}
}
}
}
return null;
}
/** Checks the source uri for the .jp(e)g extension. */
protected final boolean isImageMimeType(Source source) {
final String uri = source.getURI();
final int index = uri.lastIndexOf('.');
if (index != -1) {
String extension = uri.substring(index);
return extension.equalsIgnoreCase(".jpg") || extension.equalsIgnoreCase(".JPEG");
}
return false;
}
/**
* Generate the unique key. This key must be unique inside the space of this component.
*
* @return The generated key hashes the src
*/
public Serializable getKey() {
return inputSource.getURI() + ";localizable=" + localizable + ";encoding=" + encoding;
}