public GeoserverWFSGenerator() {
super();
this.supportedIDataTypes.add(GTVectorDataBinding.class);
properties = WPSConfig.getInstance().getPropertiesForGeneratorClass(this.getClass().getName());
for (Property property : properties) {
if (property.getName().equalsIgnoreCase("Geoserver_username")) {
username = property.getStringValue();
}
if (property.getName().equalsIgnoreCase("Geoserver_password")) {
password = property.getStringValue();
}
if (property.getName().equalsIgnoreCase("Geoserver_host")) {
host = property.getStringValue();
}
if (property.getName().equalsIgnoreCase("Geoserver_port")) {
port = property.getStringValue();
}
}
if (port == null) {
port = WPSConfig.getInstance().getWPSConfig().getServer().getHostport();
}
for (String supportedFormat : supportedFormats) {
if (supportedFormat.equals("text/xml")) {
supportedFormats.remove(supportedFormat);
}
}
}
public static RPropertyChangeManager getInstance() {
if (instance == null) {
instance = new RPropertyChangeManager();
WPSConfig.getInstance()
.addPropertyChangeListener(WPSConfig.WPSCONFIG_PROPERTY_EVENT_NAME, instance);
}
return instance;
}
public GenericTransactionalProcessRepository(String format) {
Property[] properties =
WPSConfig.getInstance().getPropertiesForRepositoryClass(this.getClass().getName());
// TODO think of multiple instance of this class registered (yet not possible since singleton)
Property deployManagerXML =
WPSConfig.getInstance().getPropertyForKey(properties, "DeployManager");
if (deployManagerXML == null) {
throw new RuntimeException("Error. Could not find matching DeployManager");
}
processDescriptionMap = new HashMap<String, ProcessDescriptionType>();
String className = deployManagerXML.getStringValue();
try {
Class deployManagerClass = Class.forName(className);
if (deployManagerClass.asSubclass(AbstractProcessManager.class).equals(deployManagerClass)) {
Constructor constructor =
deployManagerClass.getConstructor(ITransactionalAlgorithmRepository.class);
deployManager = (IProcessManager) constructor.newInstance(this);
} else {
deployManager = (IProcessManager) deployManagerClass.newInstance();
}
} catch (InstantiationException e) {
e.printStackTrace();
throw new RuntimeException("Error. Could not find matching DeployManager");
} catch (IllegalAccessException e) {
e.printStackTrace();
throw new RuntimeException("Error. Could not find matching DeployManager");
} catch (ClassNotFoundException e) {
e.printStackTrace();
throw new RuntimeException("Error. Could not find matching DeployManager");
} catch (SecurityException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (NoSuchMethodException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IllegalArgumentException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (InvocationTargetException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
/**
* After the client Request is accepted, it should be executed. To prevent resource-exhaustion, this
* ThreadPoolExecutor stores the Requests in a queue, and handles only a couple of them at a time.
* To tune the performance one can alter the parameters of this pool.
*
* <p>Proper pool size estimation: N = Number of processors WT = Average waiting time of a task ST =
* Average service time of a task #Threads = N * (1 + WT/ST)
*
* @author Timon ter Braak
*/
public class RequestExecutor extends ThreadPoolExecutor {
public static Server serverConfig = WPSConfig.getInstance().getWPSConfig().getServer();
/** Create a RequestExecutor. */
public RequestExecutor() {
super(
serverConfig.getMinPoolSize().intValue(),
serverConfig.getMaxPoolSize().intValue(),
serverConfig.getKeepAliveSeconds().intValue(),
TimeUnit.SECONDS,
new ArrayBlockingQueue<Runnable>(serverConfig.getMaxQueuedTasks().intValue()));
}
}
private void executeGrassModuleStarter() {
try {
LOGGER.info("Executing GRASS module starter.");
Runtime rt = Runtime.getRuntime();
Process proc = rt.exec(getCommand(), getEnvp());
PipedOutputStream pipedOut = new PipedOutputStream();
PipedInputStream pipedIn = new PipedInputStream(pipedOut);
// attach error stream reader
JavaProcessStreamReader errorStreamReader =
new JavaProcessStreamReader(proc.getErrorStream(), "ERROR", pipedOut);
// attach output stream reader
JavaProcessStreamReader outputStreamReader =
new JavaProcessStreamReader(proc.getInputStream(), "OUTPUT");
// start them
errorStreamReader.start();
outputStreamReader.start();
// fetch errors if there are any
BufferedReader errorReader = new BufferedReader(new InputStreamReader(pipedIn));
String line = errorReader.readLine();
String errors = "";
while (line != null) {
errors = errors.concat(line + lineSeparator);
line = errorReader.readLine();
}
try {
proc.waitFor();
} catch (InterruptedException e1) {
LOGGER.error("Java proces was interrupted.", e1);
} finally {
proc.destroy();
}
if (!errors.equals("")) {
String baseDir = WebProcessingService.BASE_DIR + File.separator + "GRASS_LOGS";
File baseDirFile = new File(baseDir);
if (!baseDirFile.exists()) {
baseDirFile.mkdir();
}
String host = WPSConfig.getInstance().getWPSConfig().getServer().getHostname();
if (host == null) {
host = InetAddress.getLocalHost().getCanonicalHostName();
}
String hostPort = WPSConfig.getInstance().getWPSConfig().getServer().getHostport();
File tmpLog = new File(tmpDir + fileSeparator + uuid + logFilename);
File serverLog = new File(baseDir + fileSeparator + uuid + logFilename);
if (tmpLog.exists()) {
FileInputStream fis = new FileInputStream(tmpLog);
FileOutputStream fos = new FileOutputStream(serverLog);
try {
byte[] buf = new byte[1024];
int i = 0;
while ((i = fis.read(buf)) != -1) {
fos.write(buf, 0, i);
}
} catch (Exception e) {
e.printStackTrace();
} finally {
if (fis != null) fis.close();
if (fos != null) fos.close();
}
} else {
BufferedWriter bufWrite = new BufferedWriter(new FileWriter(serverLog));
bufWrite.write(errors);
bufWrite.flush();
bufWrite.close();
}
LOGGER.error("An error occured while executing the GRASS GIS process.");
throw new RuntimeException(
"An error occured while executing the GRASS GIS process. See the log under "
+ "http://"
+ host
+ ":"
+ hostPort
+ "/"
+ WebProcessingService.WEBAPP_PATH
+ "/GRASS_LOGS/"
+ uuid
+ logFilename
+ " for more details.");
}
} catch (IOException e) {
LOGGER.error("An error occured while executing the GRASS GIS process.", e);
throw new RuntimeException(e);
}
}
public void updateRepositoryConfiguration() {
// Retrieve repository document and properties:
String localRAlgorithmRepository_className = LocalRAlgorithmRepository.class.getCanonicalName();
Repository[] repositoryDocuments = WPSConfig.getInstance().getRegisterdAlgorithmRepositories();
Repository repositoryDocument = null;
for (Repository doc : repositoryDocuments) {
if (doc.getClassName().equals(localRAlgorithmRepository_className)) {
repositoryDocument = doc;
}
}
if (repositoryDocument == null) {
LOGGER.error("Local R Algorithm Repository is not registered");
// return;
}
Property[] oldPropertyArray = repositoryDocument.getPropertyArray();
HashMap<String, Property> algorithmPropertyHash = new HashMap<String, Property>();
boolean propertyChanged = false;
ArrayList<Property> newPropertyList = new ArrayList<Property>();
// test if host and port of rserve are available in config properties, if not, values from
// R_Config
// will be used
// retrieve set of string representations for all config variables:
HashSet<String> configVariableNames = new HashSet<String>();
for (RWPSConfigVariables var : RWPSConfigVariables.values()) {
configVariableNames.add(var.toString().toLowerCase());
}
for (Property property : oldPropertyArray) {
String pname = property.getName().toLowerCase();
// check the name and active state
if (pname.equalsIgnoreCase(RWPSConfigVariables.ALGORITHM.toString())) {
LOGGER.debug("Algorithm property: " + property);
// put id into a dictionary to check and add later:
algorithmPropertyHash.put(property.getStringValue(), property);
} else {
LOGGER.debug("NOT-algorithm property: " + property);
if (configVariableNames.contains(pname)) {
boolean success = handleConfigVariable(property);
if (!success) LOGGER.warn("Invalid config variable was omitted and deleted: " + property);
// config variable should occur only once, doubling will be omitted:
configVariableNames.remove(pname);
} else {
// valid properties which are not algorithms will be just passed to the new list
LOGGER.debug("Unprocessed property: " + property);
}
newPropertyList.add(property);
}
}
propertyChanged =
checkMandatoryParameters(
repositoryDocument, propertyChanged, newPropertyList, configVariableNames);
propertyChanged =
addMissingAlgorithms(
repositoryDocument, algorithmPropertyHash, propertyChanged, newPropertyList);
// there might be registered algorithms, which don't got a script file any more,
// those will be deleted here:
if (!algorithmPropertyHash.isEmpty()) propertyChanged = true;
propertyChanged = checkPropertyOrder(oldPropertyArray, propertyChanged);
if (propertyChanged) {
Property[] newPropertyArray = newPropertyList.toArray(new Property[0]);
// sort list of properties lexicographically:
Arrays.sort(newPropertyArray, new PropertyComparator());
repositoryDocument.setPropertyArray(newPropertyArray);
propertyChanged = true;
// write new WPSConfig if property had to be changed
WPSConfigurationDocument wpsConfigurationDocument =
WPSConfigurationDocument.Factory.newInstance();
WPSConfiguration wpsConfig = WPSConfig.getInstance().getWPSConfig();
wpsConfigurationDocument.setWPSConfiguration(wpsConfig);
// writes the new WPSConfig to a file
try {
String configurationPath = WPSConfig.getConfigPath();
File XMLFile = new File(configurationPath);
wpsConfigurationDocument.save(
XMLFile,
new org.apache.xmlbeans.XmlOptions().setUseDefaultNamespace().setSavePrettyPrint());
WPSConfig.forceInitialization(configurationPath);
LOGGER.info("WPS Config was changed.");
} catch (IOException e) {
LOGGER.error("Could not write configuration to file: " + e.getMessage());
} catch (org.apache.xmlbeans.XmlException e) {
LOGGER.error("Could not generate XML File from Data: " + e.getMessage());
}
}
}
public static RPropertyChangeManager reInitialize() {
WPSConfig.getInstance()
.removePropertyChangeListener(WPSConfig.WPSCONFIG_PROPERTY_EVENT_NAME, instance);
instance = new RPropertyChangeManager();
return instance;
}
