Add copyright header and remove unused interface

Signed-off-by: Hiroshi Miura <miurahr@linux.com>

src/main/java/io/github/eb4j/ebview/gui/EBViewerModel.java

@@ -1,3 +1,21 @@
+/*
+ * EBViewer, a dictionary viewer application.
+ * Copyright (C) 2022 Hiroshi Miura.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 package io.github.eb4j.ebview.gui;
 
 import io.github.eb4j.ebview.data.DictionaryEntry;

src/main/java/io/github/eb4j/ebview/gui/LinkActionListener.java

@@ -1,3 +1,21 @@
+/*
+ * EBViewer, a dictionary viewer application.
+ * Copyright (C) 2022 Hiroshi Miura.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 package io.github.eb4j.ebview.gui;
 
 import io.github.eb4j.ebview.gui.dialogs.MoviePlay;

src/main/java/io/github/eb4j/ebview/gui/MainWindow.java

@@ -1,3 +1,21 @@
+/*
+ * EBViewer, a dictionary viewer application.
+ * Copyright (C) 2022 Hiroshi Miura.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 package io.github.eb4j.ebview.gui;
 
 import io.github.eb4j.ebview.data.DictionaryEntry;

src/main/java/io/github/eb4j/ebview/gui/MainWindowMenu.java

@@ -1,9 +1,26 @@
+/*
+ * EBViewer, a dictionary viewer application.
+ * Copyright (C) 2022 Hiroshi Miura.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 package io.github.eb4j.ebview.gui;
 
 import io.github.eb4j.ebview.EBViewer;
 import io.github.eb4j.ebview.dictionary.DictionariesManager;
 import io.github.eb4j.ebview.gui.dialogs.AboutDialog;
-import io.github.eb4j.ebview.gui.preferences.IPreferencesController;
 import io.github.eb4j.ebview.gui.preferences.PreferenceController;
 import io.github.eb4j.ebview.utils.LStrings;
 
@@ -28,7 +45,7 @@
 
 import static io.github.eb4j.ebview.utils.ResourceUtil.APP_ICON_32X32;
 
-public class MainWindowMenu implements ActionListener, MenuListener, IMainMenu {
+public class MainWindowMenu implements ActionListener, MenuListener {
 
     private final JFrame app;
     private final DictionariesManager manager;

src/main/java/io/github/eb4j/ebview/gui/Searcher.java

@@ -1,3 +1,21 @@
+/*
+ * EBViewer, a dictionary viewer application.
+ * Copyright (C) 2022 Hiroshi Miura.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 package io.github.eb4j.ebview.gui;
 
 import io.github.eb4j.ebview.data.DictionaryEntry;

src/main/java/io/github/eb4j/ebview/utils/IPreferences.java

@@ -0,0 +1,54 @@
+/*
+ * EBViewer, a dictionary viewer application.
+ * Copyright (C) 2022 Hiroshi Miura.
+ * Copyright (C) 2000-2006 Keith Godfrey, Maxym Mykhalchuk, and Henry Pijffers
+ *              2007 Zoltan Bartko
+ *              2008-2009 Didier Briel
+ *              2010 Wildrich Fourie, Antonio Vilei, Didier Briel
+ *              2011 John Moran, Didier Briel
+ *              2012 Martin Fleurke, Wildrich Fourie, Didier Briel, Thomas Cordonnier,
+ *                   Aaron Madlon-Kay
+ *              2013 Aaron Madlon-Kay, Zoltan Bartko
+ *              2014 Piotr Kulik, Aaron Madlon-Kay
+ *              2015 Aaron Madlon-Kay, Yu Tang, Didier Briel, Hiroshi Miura
+ *              2016 Aaron Madlon-Kay*
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package io.github.eb4j.ebview.utils;
+
+import java.io.IOException;
+
+public interface IPreferences {
+    String getPreference(String key);
+
+    boolean existsPreference(String key);
+
+    boolean isPreference(String key);
+
+    boolean isPreferenceDefault(String key, boolean defaultValue);
+
+    String getPreferenceDefault(String key, String value);
+
+    <T extends Enum<T>> T getPreferenceEnumDefault(String key, T defaultValue);
+
+    int getPreferenceDefault(String key, int defaultValue);
+
+    /**
+     * Return the old value, or null if not set
+     */
+    Object setPreference(String key, Object value) throws Exception;
+
+    void save() throws IOException;
+}

src/main/java/io/github/eb4j/ebview/utils/ImageUtils.java

@@ -1,3 +1,21 @@
+/*
+ * EBViewer, a dictionary viewer application.
+ * Copyright (C) 2022 Hiroshi Miura.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 package io.github.eb4j.ebview.utils;
 
 import io.github.eb4j.util.ImageUtil;

src/main/java/io/github/eb4j/ebview/utils/LStrings.java

@@ -1,3 +1,21 @@
+/*
+ * EBViewer, a dictionary viewer application.
+ * Copyright (C) 2022 Hiroshi Miura.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 package io.github.eb4j.ebview.utils;
 
 import java.util.ResourceBundle;
@@ -7,11 +25,10 @@ public final class LStrings {
     private LStrings() {
     }
 
-    /** Resource bundle that contains all the strings.
-     */
-    private static ResourceBundle bundle = ResourceBundle.getBundle("Bundle");
+    private static final ResourceBundle bundle = ResourceBundle.getBundle("Bundle");
 
-    /** Returns a localized String for a key.
+    /**
+     * Returns a localized String for a key.
      * @param key query string.
      * @return localized string.
      */

src/main/java/io/github/eb4j/ebview/utils/Platform.java

@@ -1,7 +1,8 @@
 /*
  * EBViewer, a dictionary viewer application.
  * Copyright (C) 2022 Hiroshi Miura.
- *
+ *               2007 - Zoltan Bartko
+ *               2011 Alex Buloichik*
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation, either version 3 of the License, or

src/main/java/io/github/eb4j/ebview/utils/Preferences.java

@@ -1,7 +1,17 @@
 /*
  * EBViewer, a dictionary viewer application.
  * Copyright (C) 2022 Hiroshi Miura.
- *
+ * Copyright (C) 2000-2006 Keith Godfrey, Maxym Mykhalchuk, and Henry Pijffers
+ *              2007 Zoltan Bartko
+ *              2008-2009 Didier Briel
+ *              2010 Wildrich Fourie, Antonio Vilei, Didier Briel
+ *              2011 John Moran, Didier Briel
+ *              2012 Martin Fleurke, Wildrich Fourie, Didier Briel, Thomas Cordonnier,
+ *                   Aaron Madlon-Kay
+ *              2013 Aaron Madlon-Kay, Zoltan Bartko
+ *              2014 Piotr Kulik, Aaron Madlon-Kay
+ *              2015 Aaron Madlon-Kay, Yu Tang, Didier Briel, Hiroshi Miura
+ *              2016 Aaron Madlon-Kay
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation, either version 3 of the License, or
@@ -24,7 +34,6 @@
 import org.slf4j.LoggerFactory;
 
 import java.io.File;
-import java.io.IOException;
 
 public final class Preferences {
 
@@ -101,19 +110,6 @@ public static void save() {
         }
     }
 
-    public interface IPreferences {
-        String getPreference(String key);
-        boolean existsPreference(String key);
-        boolean isPreference(String key);
-        boolean isPreferenceDefault(String key, boolean defaultValue);
-        String getPreferenceDefault(String key, String value);
-        <T extends Enum<T>> T getPreferenceEnumDefault(String key, T defaultValue);
-        int getPreferenceDefault(String key, int defaultValue);
-        /** Return the old value, or null if not set */
-        Object setPreference(String key, Object value) throws Exception;
-        void save() throws IOException;
-    }
-
     public static void init() throws JsonProcessingException {
         if (didInit) {
             return;

src/main/java/io/github/eb4j/ebview/utils/PreferencesImpl.java

@@ -29,7 +29,7 @@
 import java.text.SimpleDateFormat;
 import java.util.Date;
 
-public class PreferencesImpl implements Preferences.IPreferences {
+public class PreferencesImpl implements IPreferences {
 
     private final ObjectNode preferences;
     private final File preferenceFile;

src/main/java/io/github/eb4j/ebview/utils/Stemmer.java

@@ -1,3 +1,24 @@
+/*
+ * EBViewer, a dictionary viewer application.
+ * Copyright (C) 2022 Hiroshi Miura.
+ * Copyright (C) 2000-2006 Keith Godfrey, Maxym Mykhalchuk, and Henry Pijffers
+ *              2007 Didier Briel, Zoltan Bartko
+ *              2008 Alex Buloichik
+ *              2015 Didier Briel, Aaron Madlon-Kay*
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 package io.github.eb4j.ebview.utils;
 
 import org.apache.commons.lang3.StringUtils;

src/main/java/io/github/eb4j/ebview/utils/WordIterator.java

@@ -1,3 +1,22 @@
+/*
+ * EBViewer, a dictionary viewer application.
+ * Copyright (C) 2022 Hiroshi Miura.
+ * Copyright (C) 2000-2006 Keith Godfrey and Maxym Mykhalchuk
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 package io.github.eb4j.ebview.utils;
 
 import java.text.BreakIterator;