org.jboss.tools.feedhenry.ui.internal.FHErrorHandler.java Source code

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Here is the source code for org.jboss.tools.feedhenry.ui.internal.FHErrorHandler.java

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/*******************************************************************************
 * Copyright (c) 2015 Red Hat, Inc. 
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 *    Contributors:
 *        Red Hat Inc. - initial API and implementation and/or initial documentation
 *******************************************************************************/
package org.jboss.tools.feedhenry.ui.internal;

import java.lang.reflect.InvocationTargetException;

import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.preference.PreferenceDialog;
import org.eclipse.jgit.api.errors.TransportException;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.dialogs.PreferencesUtil;
import org.eclipse.ui.statushandlers.StatusManager;
import org.jboss.tools.feedhenry.ui.FHPlugin;
import org.jboss.tools.feedhenry.ui.cordova.internal.preferences.FHPreferenceConstants;

public class FHErrorHandler {

    public static final int ERROR_INVALID_PREFERENCES = 10;
    public static final int ERROR_CONNECTION_API_CALL = 15;
    public static final int ERROR_UNAUTHORIZED = 401;

    public static boolean handle(Throwable e) {
        if (e instanceof InvocationTargetException) {
            Throwable cause = e.getCause();
            return handle(cause);
        } else if (e instanceof CoreException) {
            CoreException ce = (CoreException) e;
            return handle(ce.getStatus());
        } else if (e instanceof TransportException) {
            displayGitTransportMessage();
            Status s = new Status(IStatus.INFO, FHPlugin.PLUGIN_ID, e.getMessage(), e);
            StatusManager.getManager().handle(s, StatusManager.LOG);
            return false;
        } else {
            Status s = new Status(IStatus.ERROR, FHPlugin.PLUGIN_ID, e.getMessage(), e);
            return handle(s);
        }
    }

    public static boolean handle(IStatus status) {
        int code = status.getCode();
        switch (code) {
        case ERROR_UNAUTHORIZED:
            return displayPreferences("Unauthorized",
                    "You are not authorized to complete this action. This may indicate a problem with your API key. "
                            + "Would you like to correct it on preferences now ?");
        case ERROR_INVALID_PREFERENCES:
            return displayPreferences("Invalid Preferences",
                    "FeedHenry connection preferences are undefined or invalid. Correct preferences now?");
        case ERROR_CONNECTION_API_CALL:
            displayConnectionErrorMessage(status);
            return false;
        default:
            StatusManager.getManager().handle(status);
            return false;
        }

    }

    private static boolean displayPreferences(String title, String message) {
        Shell shell = getActiveShell();
        boolean define = MessageDialog.openQuestion(shell, title, message);
        if (define) {
            PreferenceDialog dialog = PreferencesUtil.createPreferenceDialogOn(shell,
                    FHPreferenceConstants.PREFERENCES_PAGE_ID, null, null);
            dialog.open();
            return true;
        }
        return false;

    }

    private static final Shell getActiveShell() {
        Shell shell = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell();
        return shell;
    }

    private static void displayGitTransportMessage() {
        Shell shell = getActiveShell();
        MessageDialog.openError(shell, "Git Communication Error",
                "Problem when cloning the application. This can be due to a network problem or missing security credentials. Refer to error log for details.");
    }

    private static void displayConnectionErrorMessage(IStatus status) {
        FHPlugin.log(status.getSeverity(), "FeedHenry connection error", status.getException());
        MessageDialog.openError(getActiveShell(), "Connection Error", status.getMessage());
    }
}