de.anbos.eclipse.logviewer.plugin.LogViewerPlugin.java Source code

Introduction

Here is the source code for de.anbos.eclipse.logviewer.plugin.LogViewerPlugin.java

Source

package de.anbos.eclipse.logviewer.plugin;

import java.text.MessageFormat;
import java.util.MissingResourceException;
import java.util.ResourceBundle;

import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.preference.PreferenceConverter;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.swt.graphics.RGB;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.plugin.AbstractUIPlugin;
import org.osgi.framework.BundleContext;

/*
 * Copyright (c) 2007 - 2011 by Michael Mimo Moratti
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 */

/**
 * The main plugin class to be used in the desktop.
 */
public class LogViewerPlugin extends AbstractUIPlugin {

    // Constant ---------------------------------------------------------------------

    //The shared instance.
    private static LogViewerPlugin plugin;

    // Attribute --------------------------------------------------------------------

    //Resource bundle.
    private ResourceBundle resourceBundle;
    // Logger
    private Logger logger;

    // Constructor ------------------------------------------------------------------

    /**
     * The constructor.
     */
    public LogViewerPlugin() {
        super();
        plugin = this;
        try {
            resourceBundle = ResourceBundle.getBundle("de.anbos.eclipse.logviewer.plugin.LogfileUIMessages"); //$NON-NLS-1$
        } catch (MissingResourceException x) {
            resourceBundle = null;
        }
    }

    // Static -----------------------------------------------------------------------

    /**
     * Returns the shared instance.
     */
    public static LogViewerPlugin getDefault() {
        return plugin;
    }

    /**
     * Returns the string from the plugin's resource bundle,
     * or 'key' if not found.
     */
    public static String getResourceString(String key) {
        ResourceBundle bundle = LogViewerPlugin.getDefault().getResourceBundle();
        try {
            return (bundle != null) ? bundle.getString(key) : key;
        } catch (MissingResourceException e) {
            return key;
        }
    }

    /**
     * returns a formated resouces bundle string
     */
    public static String getResourceString(String key, Object[] args) {
        return MessageFormat.format(getResourceString(key), args);
    }

    // Public -----------------------------------------------------------------------

    /**
     * This method is called upon plug-in activation
     */
    public void start(BundleContext context) throws Exception {
        super.start(context);
        loadDefaultPluginPreferences(getPreferenceStore());
    }

    /**
     * This method is called when the plug-in is stopped
     */
    public void stop(BundleContext context) throws Exception {
        super.stop(context);
    }

    /**
     * returns the instance of @see Logger
     * @return Logger from @see LoggerImpl
     */
    public Logger getLogger() {
        if (logger == null) {
            logger = new LoggerImpl(this.getLog(), this.getBundle().getSymbolicName());
        }
        return logger;
    }

    /**
     * Returns the plugin's resource bundle,
     */
    public ResourceBundle getResourceBundle() {
        return resourceBundle;
    }

    public void showErrorMessage(String message) {
        IWorkbenchWindow window = getDefault().getWorkbench().getActiveWorkbenchWindow();
        if (window != null) {
            MessageDialog.openError(window.getShell().getShell(), getResourceString("error.fatal.title"), message); //$NON-NLS-1$
        }
    }

    public void showErrorMessage(Throwable throwable) {
        showErrorMessage(throwable.getClass().getName() + " " + throwable.getMessage()); //$NON-NLS-1$
    }

    public void showInfoMessage(String message) {
        IWorkbenchWindow window = getDefault().getWorkbench().getActiveWorkbenchWindow();
        if (window != null) {
            MessageDialog.openInformation(window.getShell().getShell(), getResourceString("error.info.title"), //$NON-NLS-1$
                    message);
        }
    }

    public void showWarningMessage(String message) {
        IWorkbenchWindow window = getDefault().getWorkbench().getActiveWorkbenchWindow();
        if (window != null) {
            MessageDialog.openWarning(window.getShell().getShell(), getResourceString("error.warning.title"), //$NON-NLS-1$
                    message);
        }
    }

    // Protected --------------------------------------------------------------------

    // Private ----------------------------------------------------------------------

    private void loadDefaultPluginPreferences(IPreferenceStore store) {
        store.setDefault(ILogViewerConstants.PREF_BACKLOG, ILogViewerConstants.DEFAULT_BACKLOG);
        store.setDefault(ILogViewerConstants.PREF_BUFFER, ILogViewerConstants.DEFAULT_BUFFER_CAPACITY);
        store.setDefault(ILogViewerConstants.PREF_READWAIT, ILogViewerConstants.DEFAULT_READWAIT_SIZE);
        store.setDefault(ILogViewerConstants.PREF_ENCODING, System.getProperty("file.encoding"));
        store.setDefault(ILogViewerConstants.PREF_WORD_WRAP, ILogViewerConstants.DEAFULT_WORD_WRAP);
        store.setDefault(ILogViewerConstants.PREF_SHOW_WHEN_UPDATED, ILogViewerConstants.DEAFULT_SHOW_WHEN_UPDATED);
        store.setDefault(ILogViewerConstants.PREF_FILTER_EXTENSIONS, ILogViewerConstants.DEFAULT_FILTER_EXTENSIONS);
        store.setDefault(ILogViewerConstants.PREF_SHOW_TOP_OF_FILE, ILogViewerConstants.DEAFULT_SHOW_TOP_OF_FILE);
        PreferenceConverter.setDefault(store, ILogViewerConstants.PREF_CURSORLINE_COLOR, new RGB(192, 192, 192));
        PreferenceConverter.setDefault(store, ILogViewerConstants.PREF_EDITOR_FONT_STYLE,
                JFaceResources.getDefaultFont().getFontData());
    }
}