/** Test the generateSaxFragment method. */
public void testGenerateSaxFragment() throws Exception {
List beans = new ArrayList(2);
beans.add(new TestBean("1", "One"));
beans.add(new TestBean("2", "Two"));
Map flowContextObject = new HashMap();
flowContextObject.put("beans", beans);
Request request = new MockRequest();
Map objectModel = new HashMap();
FlowHelper.setContextObject(objectModel, flowContextObject);
objectModel.put(ObjectModelHelper.REQUEST_OBJECT, request);
Map contextObjectModel = new HashMap();
contextObjectModel.put(ContextHelper.CONTEXT_OBJECT_MODEL, objectModel);
Context context = new DefaultContext(contextObjectModel);
Source sampleSource =
new ResourceSource(
"resource://org/apache/cocoon/forms/datatype/FlowJXPathSelectionListTestCase.source.xml");
Document sample = parser.parse(sampleSource.getInputStream());
Element datatypeElement =
(Element) sample.getElementsByTagNameNS(FormsConstants.DEFINITION_NS, "datatype").item(0);
Datatype datatype = datatypeManager.createDatatype(datatypeElement, false);
FlowJXPathSelectionList list =
new FlowJXPathSelectionList(
context, "beans", "key", "value", datatype, null, false, null, false);
DOMBuilder dest = new DOMBuilder();
list.generateSaxFragment(dest, Locale.ENGLISH);
Source expectedSource =
new ResourceSource(
"resource://org/apache/cocoon/forms/datatype/FlowJXPathSelectionListTestCase.dest.xml");
Document expected = parser.parse(expectedSource.getInputStream());
assertEqual("Test if generated list matches expected", expected, dest.getDocument());
}
private String read(Source src) throws Exception {
byte[] data = new byte[(int) src.getContentLength()];
InputStream is = src.getInputStream();
assertEquals(data.length, is.read(data));
is.close();
return new String(data, "ISO-8859-1");
}
/** 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);
}
}
}
}
/**
* Resolves the URI and returns it's contents as a String object
*
* @param resolver The SourceResolver
* @param uri The URI
* @return The URI content
* @throws Exception
*/
private String getURIContentsAsString(SourceResolver resolver, String uri) throws Exception {
Source source = resolver.resolveURI(uri);
Reader reader = new InputStreamReader(source.getInputStream(), "UTF-8");
StringBuffer buf = new StringBuffer();
int rb = 0;
char[] cbuf = new char[1024];
while ((rb = reader.read(cbuf)) > 0) {
buf.append(cbuf, 0, rb);
}
return buf.toString();
}
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 that this is in fact a jpeg file. */
protected final boolean isImageFileType(Source source) throws SourceException {
BufferedInputStream in = null;
try {
in = new BufferedInputStream(source.getInputStream());
byte[] buf = new byte[2];
int count = in.read(buf, 0, 2);
if (count < 2) return false;
if ((buf[0] == (byte) 0xFF) && (buf[1] == (byte) 0xD8)) return true;
} catch (IOException ioe) {
throw new SourceException("Could not read source", ioe);
} finally {
if (in != null)
try {
in.close();
} catch (Exception e) {
}
}
return false;
}
/** returns width as first element, height as second */
protected final int[] getImageSize(Source source) throws SourceException {
BufferedInputStream in = null;
try {
in = new BufferedInputStream(source.getInputStream());
// check for "magic" header
byte[] buf = new byte[2];
int count = in.read(buf, 0, 2);
if (count < 2) throw new SourceException("Not a valid Jpeg file!");
if ((buf[0]) != (byte) 0xFF || (buf[1]) != (byte) 0xD8)
throw new SourceException("Not a valid Jpeg file!");
int width = 0;
int height = 0;
boolean done = false;
int ch = 0;
try {
while (ch != 0xDA && !done) {
/* Find next marker (JPEG markers begin with 0xFF) */
while (ch != 0xFF) {
ch = in.read();
}
/* JPEG markers can be padded with unlimited 0xFF's */
while (ch == 0xFF) {
ch = in.read();
}
/* Now, ch contains the value of the marker. */
if (ch >= 0xC0 && ch <= 0xC3) {
// skip 3 bytes
in.read();
in.read();
in.read();
height = 256 * in.read();
height += in.read();
width = 256 * in.read();
width += in.read();
done = true;
} else {
/* We MUST skip variables, since FF's within variable names
are NOT valid JPEG markers */
int length = 256 * in.read();
length += in.read();
if (length < 2) throw new RuntimeException("Erroneous JPEG marker length");
for (int foo = 0; foo < length - 2; foo++) in.read();
}
}
} catch (Exception e) {
throw new SourceException("Not a valid Jpeg file!", e);
}
int[] dim = {width, height};
return dim;
} catch (IOException ioe) {
throw new SourceException("Could not read source", ioe);
} finally {
if (in != null)
try {
in.close();
} catch (Exception e) {
}
}
}
