/**
* Check a file using the specific format's check criteria.
*
* @param pFile file to check
* @return a list of {@link uk.bl.dpt.qa.flint.checks.CheckResult}
*/
public List<CheckResult> check(File pFile) {
boolean checked = false;
String mimetype = getMimetype(pFile);
List<CheckResult> results = new ArrayList<CheckResult>();
gLogger.info("Starting to check file {}..", pFile.getName());
for (Format format : formats) {
if (format.canCheck(pFile, mimetype)) {
gLogger.info("Validating {} with {} checker", pFile.getName(), format.getFormatName());
CheckResult checkResult = format.validationResult(pFile);
gLogger.info("check-result: {}", checkResult);
results.add(checkResult);
checked = true;
}
}
if (!checked) {
gLogger.error("Unable to check: {}, mimetype: {}", pFile, mimetype);
}
return results;
}
/**
* Gets the accepted mimetypes for each available format.
*
* @return a Collection of Strings representing these mimetypes
* @throws InstantiationException
* @throws IllegalAccessException
*/
public static Collection<String> getAcceptedMimetypes()
throws InstantiationException, IllegalAccessException {
Collection<String> mTypes = new HashSet<String>();
for (Format f : getAvailableFormats().values()) {
mTypes.addAll(f.acceptedMimeTypes());
}
return mTypes;
}
/**
* Create a new FLint object, adding an instance of all formats to the format list for use by
* check()
*
* <p>This constructor can overwrite default policy properties for each available format if the
* supplied map contains a key with its name.
*
* @param policyMap the map to use for overriding defaults
* @throws InstantiationException
* @throws IllegalAccessException
*/
public Flint(Map<String, Set<String>> policyMap)
throws InstantiationException, IllegalAccessException {
formats = getAvailableFormats().values();
for (Format f : formats) {
if (f instanceof PolicyAware) {
((PolicyAware) f).setPatternFilter(policyMap.get(f.getFormatName()));
}
}
}
/**
* @return a list of available formats, gathered via *reflection*
* @throws IllegalAccessException
* @throws InstantiationException
*/
public static Map<String, Format> getAvailableFormats()
throws IllegalAccessException, InstantiationException {
Map<String, Format> fs = new LinkedHashMap<String, Format>();
Set<Class<? extends Format>> reflections =
new Reflections("uk.bl.dpt.qa.flint.formats").getSubTypesOf(Format.class);
for (Class<? extends Format> fClass : reflections) {
Format f = fClass.newInstance();
gLogger.info("available format {}, as in {}", fClass, fClass);
fs.put(f.getFormatName(), f);
}
return fs;
}
/**
* Create a new FLint object, adding an instance of all formats to the format list for use by
* check()
*
* <p>This constructor can overwrite default policy properties if there are property files in the
* specified `policyDir` that match the formats' file type.
*
* @param policyDir directory containing policy files ("formatName-policy.properties")
* @throws IllegalAccessException
* @throws InstantiationException
* @throws IOException
*/
public Flint(File policyDir) throws IllegalAccessException, InstantiationException, IOException {
formats = getAvailableFormats().values();
for (Format f : formats) {
if (f instanceof PolicyAware) {
final String formatName = f.getFormatName();
File[] propsFiles =
policyDir.listFiles(
new FilenameFilter() {
@Override
public boolean accept(File dir, String name) {
return name.equals(formatName + "-policy.properties");
}
});
if (propsFiles.length == 1) {
((PolicyAware) f).setPatternFilter(propsFiles[0].getAbsolutePath());
gLogger.info("found and set a custom policy for {}", f);
gLogger.debug("the policy should be: {}", propsFiles[0].getAbsolutePath());
}
}
}
}
/**
* Gets the Format instance for a given format name
*
* @param format the format name
* @return the Format instance
*/
public Format getFormat(String format) {
for (Format f : this.formats) {
if (f.getFormatName().equals(format)) return f;
}
return null;
}
