Examples with GateException gate.util.GateException used on opensource projects

Example 16 with GateException

use of gate.util.GateException in project gate-core by GateNLP.

the class Main method main.

/**
 * Main routine for GATE.
 * Command-line arguments:
 * <UL>
 * <LI>
 * <B>-h</B> display a short help message
 * <LI>
 * <B>-d URL</B> define URL to be a location for CREOLE resoures
 * <LI>
 * <B>-i file</B> additional initialisation file (probably called
 *   <TT>gate.xml</TT>). Used for site-wide initialisation by the
 *   start-up scripts
 * </UL>
 */
public static void main(String[] args) throws GateException {
    // check we have a useable JDK
    if (System.getProperty("java.version").compareTo(Gate.getMinJdkVersion()) < 0) {
        throw new GateException("GATE requires JDK " + Gate.getMinJdkVersion() + " or newer");
    }
    ThreadWarningSystem tws = new ThreadWarningSystem();
    tws.addListener(new ThreadWarningSystem.Listener() {

        final PrintStream out = System.out;

        @Override
        public void deadlockDetected(ThreadInfo inf) {
            out.println("Deadlocked Thread:");
            out.println("------------------");
            out.println(inf);
            for (StackTraceElement ste : inf.getStackTrace()) {
                out.println("\t" + ste);
            }
        }

        @Override
        public void thresholdExceeded(ThreadInfo[] threads) {
        }
    });
    // process command-line options
    processArgs(args);
    runGui();
}

Example 17 with GateException

use of gate.util.GateException in project gate-core by GateNLP.

the class AnnotationDiffGUI method populateGUI.

protected void populateGUI() {
    try {
        documents = Gate.getCreoleRegister().getAllInstances("gate.Document");
    } catch (GateException ge) {
        throw new GateRuntimeException(ge);
    }
    List<String> documentNames = new ArrayList<String>(documents.size());
    for (Resource document : documents) {
        documentNames.add(document.getName());
    }
    Object keyDocSelectedItem = keyDocCombo.getSelectedItem();
    Object resDocSelectedItem = resDocCombo.getSelectedItem();
    keyDocCombo.setModel(new DefaultComboBoxModel<String>(documentNames.toArray(new String[documentNames.size()])));
    resDocCombo.setModel(new DefaultComboBoxModel<String>(documentNames.toArray(new String[documentNames.size()])));
    if (!documents.isEmpty()) {
        keyDocCombo.setSelectedItem(keyDocSelectedItem);
        if (keyDocCombo.getSelectedIndex() == -1) {
            keyDocCombo.setSelectedIndex(0);
        }
        resDocCombo.setSelectedItem(resDocSelectedItem);
        if (resDocCombo.getSelectedIndex() == -1) {
            resDocCombo.setSelectedIndex(0);
        }
        statusLabel.setText(documents.size() + " documents loaded");
        if (annTypeCombo.getSelectedItem() == null) {
            statusLabel.setText(statusLabel.getText() + ". Choose two annotation sets to compare.");
        }
        statusLabel.setForeground(Color.BLACK);
    } else {
        statusLabel.setText("You must load at least one document.");
        statusLabel.setForeground(Color.RED);
    }
}

Example 18 with GateException

use of gate.util.GateException in project gate-core by GateNLP.

the class PersistenceManager method loadObjectFromUrl.

public static Object loadObjectFromUrl(URL url) throws PersistenceException, IOException, ResourceInstantiationException {
    if (!Gate.isInitialised())
        throw new ResourceInstantiationException("You must call Gate.init() before you can restore resources");
    ProgressListener pListener = (ProgressListener) Gate.getListeners().get("gate.event.ProgressListener");
    StatusListener sListener = (gate.event.StatusListener) Gate.getListeners().get("gate.event.StatusListener");
    if (pListener != null)
        pListener.progressChanged(0);
    startLoadingFrom(url);
    // the actual stream obtained from the URL. We keep a reference to this
    // so we can ensure it gets closed.
    InputStream rawStream = null;
    try {
        long startTime = System.currentTimeMillis();
        // Determine whether the file contains an application serialized in
        // xml
        // format. Otherwise we will assume that it contains native
        // serializations.
        boolean xmlStream = isXmlApplicationFile(url);
        ObjectInputStream ois = null;
        HierarchicalStreamReader reader = null;
        XStream xstream = null;
        // whether serialization is native or xml.
        if (xmlStream) {
            // we don't want to strip the BOM on XML.
            Reader inputReader = new InputStreamReader(rawStream = url.openStream());
            try {
                XMLInputFactory inputFactory = XMLInputFactory.newInstance();
                inputFactory.setProperty(XMLInputFactory.IS_COALESCING, true);
                XMLStreamReader xsr = inputFactory.createXMLStreamReader(url.toExternalForm(), inputReader);
                reader = new StaxReader(new QNameMap(), xsr);
            } catch (XMLStreamException xse) {
                // make sure the stream is closed, on error
                inputReader.close();
                throw new PersistenceException("Error creating reader", xse);
            }
            xstream = new XStream(new StaxDriver(new XStream11NameCoder())) {

                @Override
                protected boolean useXStream11XmlFriendlyMapper() {
                    return true;
                }
            };
            // make XStream load classes through the GATE ClassLoader
            xstream.setClassLoader(Gate.getClassLoader());
            // make the XML stream appear as a normal ObjectInputStream
            ois = xstream.createObjectInputStream(reader);
        } else {
            // use GateAwareObjectInputStream to load classes through the
            // GATE ClassLoader if they can't be loaded through the one
            // ObjectInputStream would normally use
            ois = new GateAwareObjectInputStream(url.openStream());
        }
        Object res = null;
        try {
            // first read the list of creole URLs.
            @SuppressWarnings("unchecked") Iterator<?> urlIter = ((Collection<?>) getTransientRepresentation(ois.readObject())).iterator();
            // and re-register them
            while (urlIter.hasNext()) {
                Object anUrl = urlIter.next();
                try {
                    if (anUrl instanceof URL)
                        Gate.getCreoleRegister().registerPlugin(new Plugin.Directory((URL) anUrl), false);
                    else if (anUrl instanceof Plugin)
                        Gate.getCreoleRegister().registerPlugin((Plugin) anUrl, false);
                } catch (GateException ge) {
                    System.out.println("We've hit an error!");
                    ge.printStackTrace();
                    ge.printStackTrace(Err.getPrintWriter());
                    Err.prln("Could not reload creole directory " + anUrl);
                }
            }
            // now we can read the saved object in the presence of all
            // the right plugins
            res = ois.readObject();
            // ensure a fresh start
            clearCurrentTransients();
            res = getTransientRepresentation(res);
            long endTime = System.currentTimeMillis();
            if (sListener != null)
                sListener.statusChanged("Loading completed in " + NumberFormat.getInstance().format((double) (endTime - startTime) / 1000) + " seconds");
            return res;
        } catch (ResourceInstantiationException rie) {
            if (sListener != null)
                sListener.statusChanged("Failure during instantiation of resources.");
            throw rie;
        } catch (PersistenceException pe) {
            if (sListener != null)
                sListener.statusChanged("Failure during persistence operations.");
            throw pe;
        } catch (Exception ex) {
            if (sListener != null)
                sListener.statusChanged("Loading failed!");
            throw new PersistenceException(ex);
        } finally {
            // make sure the stream gets closed
            if (ois != null)
                ois.close();
            if (reader != null)
                reader.close();
        }
    } finally {
        if (rawStream != null)
            rawStream.close();
        finishedLoading();
        if (pListener != null)
            pListener.processFinished();
    }
}

Example 19 with GateException

use of gate.util.GateException in project gate-core by GateNLP.

the class CreoleRegisterImpl method unregisterPlugin.

// put(key, value)
@Override
public void unregisterPlugin(Plugin plugin) {
    if (plugins.remove(plugin)) {
        int prCount = 0;
        for (ResourceInfo rInfo : plugin.getResourceInfoList()) {
            ResourceData rData = get(rInfo.getResourceClassName());
            if (rData != null && rData.getReferenceCount() == 1) {
                // remove the plugin
                try {
                    List<Resource> loaded = getAllInstances(rInfo.getResourceClassName(), true);
                    prCount += loaded.size();
                    for (Resource r : loaded) {
                        // System.out.println(r);
                        Factory.deleteResource(r);
                    }
                } catch (GateException e) {
                    // not much we can do here other than dump the exception
                    e.printStackTrace();
                }
            }
            remove(rInfo.getResourceClassName());
        }
        try {
            Gate.getClassLoader().forgetClassLoader(new URL(plugin.getBaseURL(), "creole.xml").toExternalForm(), plugin);
        } catch (Exception e) {
            e.printStackTrace();
        }
        log.info("CREOLE plugin unloaded: " + plugin.getName());
        if (prCount > 0)
            log.warn(prCount + " resources were deleted as they relied on the " + plugin.getName() + " plugin");
        firePluginUnloaded(plugin);
    }
}

Example 20 with GateException

use of gate.util.GateException in project gate-core by GateNLP.

the class CreoleRegisterImpl method registerPlugin.

@Override
public void registerPlugin(Plugin plugin, boolean loadDependencies) throws GateException {
    if (!plugins.contains(plugin)) {
        Gate.addKnownPlugin(plugin);
        try {
            if (loadDependencies) {
                for (Plugin required : plugin.getRequiredPlugins()) {
                    registerPlugin(required, true);
                }
            }
            Document creoleXML = plugin.getCreoleXML();
            if (plugin.isValid()) {
                parseDirectory(plugin, creoleXML, plugin.getBaseURL(), new URL(plugin.getBaseURL(), "creole.xml"));
                log.info("CREOLE plugin loaded: " + plugin.getName());
            } else {
                throw new GateException("plugin is invalid");
            }
        } catch (Throwable e) {
            // it failed:
            throw (new GateException("couldn't open creole.xml for plugin: " + plugin, e));
        }
        plugins.add(plugin);
        firePluginLoaded(plugin);
    }
}