skrueger/i8n/Translation.java

/*******************************************************************************
 * Copyright (c) 2009 Martin O. J. Schmitz.
 * 
 * This file is part of the SCHMITZM library - a collection of utility 
 * classes based on Java 1.6, focusing (not only) on Java Swing 
 * and the Geotools library.
 * 
 * The SCHMITZM project is hosted at:
 * http://wald.intevation.org/projects/schmitzm/
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser 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 Lesser General Public License (license.txt)
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 * or try this link: http://www.gnu.org/licenses/lgpl.html
 * 
 * Contributors:
 *     Martin O. J. Schmitz - initial API and implementation
 *     Stefan A. Krüger - additional utility classes
 ******************************************************************************/
package skrueger.i8n;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Locale;
import java.util.Random;
import java.util.WeakHashMap;

import javax.swing.JComponent;

import org.apache.log4j.Logger;
import org.geotools.util.WeakHashSet;
import org.opengis.util.InternationalString;

import skrueger.geotools.Copyable;

/**
 * Represents a {@link HashMap} of translations. toString() returns the
 * appropriate translation
 * 
 * @author @author <a href="mailto:[email protected]">Stefan Alfons
 *         Kr&uuml;ger</a>
 */

public class Translation extends HashMap<String, String> implements
                Copyable<Translation>, Serializable {
        
        private static final long serialVersionUID = -347702744122305245L;
        
        public static final String LOCALECHANGE_PROPERTY = "localechange";
        public static final String NO_TRANSLATION = "NO TRANSLATION";
        public static final String DEFAULT_KEY = "default";
        static final Logger LOGGER = Logger.getLogger(Translation.class);
        static String activeLang = Locale.getDefault().getLanguage();

        static protected WeakHashSet<PropertyChangeListener> listeners = new WeakHashSet<PropertyChangeListener>(
                        PropertyChangeListener.class);

        static {

                // TODO default aus Locale auslesen und mit möglichen vergleichen...
                // mmm.. vor laden von atlasml immer DEFAULT_KEY, also hier nicht

                // Get default locale
                Locale locale = Locale.getDefault();
                setActiveLang(locale.getLanguage());
        }
        
        

        private WeakHashSet<ActionListener> actionListeners = new WeakHashSet<ActionListener>(
                        ActionListener.class);

        @Override
        /*
         * @comment To make a copy of a translation see methods toOneLine() and
         * fromOneLine()
         */
        public Translation clone() {
                throw new RuntimeException("use copy()");
                // return (Translation) super.clone();
        }

        /**
         * Get the two-letter language sting that is active
         */
        public static String getActiveLang() {
                return activeLang;
        }

        /**
         * Set up the {@link Translation}-system to use language. If a change is
         * performed, events are fired to listeners. Nothing is done if the new
         * language equals the old language. The system's default locale is changed.
         * 
         * @param newLang
         *            The ISO Code of the new active language
         */
        public static void setActiveLang(String newLang) {
                setActiveLang(newLang, true);
        }

        /**
         * Set up the {@link Translation}-system to use language. If a change is
         * performed, events are fired to listeners. Nothing is done if the new
         * language equals the old language.
         * 
         * @param newLang
         *            The ISO Code of the new active language
         * 
         * @param setDefaultLocale
         *            Shall the system's default locale be changed?
         */
        public static void setActiveLang(String newLang, boolean setDefaultLocale) {
                if (getActiveLang().equals(newLang)) {
                        return;
                }

                if (!I8NUtil.isValidISOLangCode(newLang)) {
                        throw new IllegalArgumentException("'" + newLang
                                        + "' is not a valid ISO language code.");
                }

                Locale newLocale = new Locale(newLang);
                if (setDefaultLocale)
                        Locale.setDefault(newLocale);

                /**
                 * Setting default locale for Swing JComponents to work around bug
                 * http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4884480
                 */
                JComponent.setDefaultLocale(newLocale);

                Translation.activeLang = newLang;

                fireLocaleChangeEvents();

                LOGGER.info("skrueger.i8n.Translation switched ActiveLang to "
                                + newLang);
        }

        /**
         * Initializes a new {@link Translation} with a default translation if a
         * simple text is passed. If a "oneLine" text is parsed, it is interpreted.
         * Other translations may be added later - this is a HashMap<br/>
         * 
         * @param defaultTranslation
         * 
         * @see public Translation(List<String> languages, String
         *      defaultTranslation) {
         * 
         */
        public Translation(String defaultTranslation) {

                fromOneLine(defaultTranslation);

        }

        /**
         * Initializes a new {@link Translation}, an uses the given String to
         * initialize the {@link Translation} for all languages codes passed.
         * 
         * The translations can be changed later
         */
        public Translation(List<String> languages, String defaultTranslation) {
                // put(DEFAULT_KEY, defaultTranslation);
                if (languages == null) {
                        put(DEFAULT_KEY, defaultTranslation);
                } else
                        for (String code : languages) {
//                              if (code.equals(getActiveLang())) {
                                        put(code, defaultTranslation);
//                              }
                        }
        }

        /**
         * Sometimes Translations are optional, like for keywords.
         */
        public Translation() {
        }

        /**
         * Fills the {@link Translation} with the values coded into the String
         * Format of {@link String} is: "de{Baum}en{tree}"
         * <p>
         * <ul>
         * <li>If <code>oneLineCoded</code> is empty or null, NO TRANSLATION is set.
         * <li>If format can't be recognized, the {@link String} is interpreted as
         * the translation in the <code>{@value #DEFAULT_KEY}</code> language
         * 
         * @author Stefan Alfons Krüger
         */
        public void fromOneLine(final String oneLineCoded) {

                clear();

                try {

                        if ((oneLineCoded == null) || (oneLineCoded.equals(""))) {
                                put(DEFAULT_KEY, "");
                                return;
                        }

                        if (oneLineCoded.indexOf("}") == -1) {
                                // log.warn("The String '"+oneLineCoded+"' is not in oneLine coded => put(DEFAULT_KEY,oneLineCoded);");
                                put(DEFAULT_KEY, oneLineCoded);
                        }

                        String eatUp = oneLineCoded;
                        while (eatUp.indexOf("}") != -1) {
                                String substring = eatUp.substring(0, eatUp.indexOf("}"));

                                // log.debug("substring = "+substring);
                                String key = substring.substring(0, substring.indexOf("{"));
                                String value = substring.substring(substring.indexOf("{") + 1,
                                                substring.length());
                                // log.debug("key="+key);
                                // log.debug("value="+value);
                                put(key, value);
                                eatUp = eatUp.substring(eatUp.indexOf("}") + 1);
                        }
                } catch (Exception e) {
                        LOGGER.warn("Error while reading the oneLineCode '" + oneLineCoded
                                        + "'", e);
                        LOGGER.warn("Translation will be empty!");
                }
        }

        /**
         * Exports the Translations to a String of the Format: "de{Baum}en{tree}"
         * 
         * @author Stefan Alfons Krüger
         */
        public String toOneLine() {
                return I8NUtil.toOneLine(this);
        }

        /**
         * Returns the right translation by using the {@link #activeLang} field. If
         * no translation is set, an ugly String {@link #NO_TRANSLATION} will re
         * returned. This might be changed for the final release. If the correct
         * language was not found, any entry in the {@link Translation}
         * {@link HashMap} will be returned, that contains more than an empty
         * string.
         */
        @Override
        public String toString() {
                if (get(activeLang) != null) {
                        return get(activeLang);
                }
                // ****************************************************************************
                // MS: The ISDSS needs the concept of the default lang!! So I took the
                // following in again!!
                // ****************************************************************************
                // else return "";
                // //****************************************************************************
                // // The following is commented out.. the concept of the default lang
                // seems to be bad....
                // //****************************************************************************
                // MS:
                else {
                        if (get(DEFAULT_KEY) != null) {
                                return get(DEFAULT_KEY);
                        }

                        // log.debug("return first best <> '' ");
                        if (size() > 0)
                                for (String s : values()) {
                                        if ((s != null) && (s.trim().length() > 0))
                                                return s;
                                }
                }
                // log.warn("No translation found!");
                return NO_TRANSLATION;
        }

        /**
         * {@link PropertyChangeListener} can be registered to be informed when the
         * {@link Locale} changed.<br>
         * The listeners are kept in a {@link WeakHashMap}, so you have to keep a
         * reference to the listener or it will be removed!
         * 
         * @param propertyChangeListener
         *            A {@link PropertyChangeListener} that will be called when
         *            {@link #setActiveLang(String)} changes the language.
         */
        public static void addLocaleChangeListener(
                        PropertyChangeListener propertyChangeListener) {
                listeners.add(propertyChangeListener);
        }

        /**
         * {@link PropertyChangeListener} can be registered to be informed when the
         * {@link Locale} changed.<br>
         * The listeners are kept in a {@link WeakHashMap}, so you have to keep a
         * reference to the listener or it will be removed!
         * 
         * @param propertyChangeListener
         *            A {@link PropertyChangeListener} that will be called when
         *            {@link #setActiveLang(String)} changes the language.
         */
        public static boolean removeLocaleChangeListener(
                        PropertyChangeListener propertyChangeListener) {
                return listeners.remove(propertyChangeListener);
        }

        /**
         * Informs all registered {@link PropertyChangeListener}s about a change of
         * the the {@link Locale}.
         */
        public static void fireLocaleChangeEvents() {
                PropertyChangeEvent pce = new PropertyChangeEvent(new Translation(
                                new ArrayList<String>(), "fakeSource"), LOCALECHANGE_PROPERTY,
                                null, getActiveLang());
                for (PropertyChangeListener pcl : listeners) {
                        if (pcl != null)
                                pcl.propertyChange(pce);
                }
        }

        /**
         * The listeneras are stored in a {@link WeakHashSet}! So you HAVE TO KEEP a
         * reference as long as you need the listener.
         */
        public void addTranslationChangeListener(ActionListener actionListener) {
                if (actionListeners.add(actionListener)) {
//                      LOGGER
//                                      .debug("registering a new translationChangeActionListener in the WeakHashSet");
                }
        }

        /**
         * The listeneras are stored in a {@link WeakHashSet}! You don't have to
         * remove the listener, as long as you throw away the reference to the
         * listener.
         */
        public boolean removeTranslationChangeListener(ActionListener actionListener) {
                return actionListeners.remove(actionListener);
        }

        public void fireTranslationChangedEvents(String lang) {
                ActionEvent ae = new ActionEvent(this, new Random().nextInt(), lang);

                final Iterator<ActionListener> iterator = actionListeners.iterator();
                while (iterator.hasNext()) {
                        ActionListener al = iterator.next();
                        al.actionPerformed(ae);
                }
        }

        @Override
        public String put(String lang, String value) {
                String result = super.put(lang, value);
                fireTranslationChangedEvents(lang);
                return result;
        }

        public void fromOneLine(InternationalString iString) {
                if (iString != null)
                        fromOneLine(iString.toString());
                else
                        fromOneLine((String) null);
        }

        /**
         * Copy this {@link Translation} to another {@link Translation} e.g. for
         * editing
         * 
         * @return the destination {@link Translation}
         */
        @Override
        public Translation copyTo(Translation translation2) {

                if (translation2 == null)
                        // throw new IllegalArgumentException(
                        // "Target translation may not be null.");
                        return copy();
                for (String s : keySet()) {
                        translation2.put(s, get(s));
                }

                return translation2;
        }

        @Override
        public Translation copy() {
                return copyTo(new Translation());
        }

        /**
         * Checks if the {@link String}s stored in the {@link Translation} are all
         * valid.
         * 
         * @return <code>true</code> if all good
         */
        public static boolean checkValid(Translation translationToCheck) {

                for (String l : translationToCheck.values()) {

                        if (l.contains("{") || l.contains("}")) {

                                return false;
                        }
                }
                return true;
        }

}
1	/*******************************************************************************
2	* Copyright (c) 2009 Martin O. J. Schmitz.
3	*
4	* This file is part of the SCHMITZM library - a collection of utility
5	* classes based on Java 1.6, focusing (not only) on Java Swing
6	* and the Geotools library.
7	*
8	* The SCHMITZM project is hosted at:
9	* http://wald.intevation.org/projects/schmitzm/
10	*
11	* This program is free software; you can redistribute it and/or
12	* modify it under the terms of the GNU Lesser General Public License
13	* as published by the Free Software Foundation; either version 3
14	* of the License, or (at your option) any later version.
15	*
16	* This program is distributed in the hope that it will be useful,
17	* but WITHOUT ANY WARRANTY; without even the implied warranty of
18	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19	* GNU General Public License for more details.
20	*
21	* You should have received a copy of the GNU Lesser General Public License (license.txt)
22	* along with this program; if not, write to the Free Software
23	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
24	* or try this link: http://www.gnu.org/licenses/lgpl.html
25	*
26	* Contributors:
27	* Martin O. J. Schmitz - initial API and implementation
28	* Stefan A. Krüger - additional utility classes
29	******************************************************************************/
30	package skrueger.i8n;
31
32	import java.awt.event.ActionEvent;
33	import java.awt.event.ActionListener;
34	import java.beans.PropertyChangeEvent;
35	import java.beans.PropertyChangeListener;
36	import java.io.Serializable;
37	import java.util.ArrayList;
38	import java.util.HashMap;
39	import java.util.Iterator;
40	import java.util.List;
41	import java.util.Locale;
42	import java.util.Random;
43	import java.util.WeakHashMap;
44
45	import javax.swing.JComponent;
46
47	import org.apache.log4j.Logger;
48	import org.geotools.util.WeakHashSet;
49	import org.opengis.util.InternationalString;
50
51	import skrueger.geotools.Copyable;
52
53	/**
54	* Represents a {@link HashMap} of translations. toString() returns the
55	* appropriate translation
56	*
57	* @author @author <a href="mailto:[email protected]">Stefan Alfons
58	* Krüger</a>
59	*/
60
61	public class Translation extends HashMap<String, String> implements
62	Copyable<Translation>, Serializable {
63
64	private static final long serialVersionUID = -347702744122305245L;
65
66	public static final String LOCALECHANGE_PROPERTY = "localechange";
67	public static final String NO_TRANSLATION = "NO TRANSLATION";
68	public static final String DEFAULT_KEY = "default";
69	static final Logger LOGGER = Logger.getLogger(Translation.class);
70	static String activeLang = Locale.getDefault().getLanguage();
71
72	static protected WeakHashSet<PropertyChangeListener> listeners = new WeakHashSet<PropertyChangeListener>(
73	PropertyChangeListener.class);
74
75	static {
76
77	// TODO default aus Locale auslesen und mit möglichen vergleichen...
78	// mmm.. vor laden von atlasml immer DEFAULT_KEY, also hier nicht
79
80	// Get default locale
81	Locale locale = Locale.getDefault();
82	setActiveLang(locale.getLanguage());
83	}
84
85
86
87	private WeakHashSet<ActionListener> actionListeners = new WeakHashSet<ActionListener>(
88	ActionListener.class);
89
90	@Override
91	/*
92	* @comment To make a copy of a translation see methods toOneLine() and
93	* fromOneLine()
94	*/
95	public Translation clone() {
96	throw new RuntimeException("use copy()");
97	// return (Translation) super.clone();
98	}
99
100	/**
101	* Get the two-letter language sting that is active
102	*/
103	public static String getActiveLang() {
104	return activeLang;
105	}
106
107	/**
108	* Set up the {@link Translation}-system to use language. If a change is
109	* performed, events are fired to listeners. Nothing is done if the new
110	* language equals the old language. The system's default locale is changed.
111	*
112	* @param newLang
113	* The ISO Code of the new active language
114	*/
115	public static void setActiveLang(String newLang) {
116	setActiveLang(newLang, true);
117	}
118
119	/**
120	* Set up the {@link Translation}-system to use language. If a change is
121	* performed, events are fired to listeners. Nothing is done if the new
122	* language equals the old language.
123	*
124	* @param newLang
125	* The ISO Code of the new active language
126	*
127	* @param setDefaultLocale
128	* Shall the system's default locale be changed?
129	*/
130	public static void setActiveLang(String newLang, boolean setDefaultLocale) {
131	if (getActiveLang().equals(newLang)) {
132	return;
133	}
134
135	if (!I8NUtil.isValidISOLangCode(newLang)) {
136	throw new IllegalArgumentException("'" + newLang
137	+ "' is not a valid ISO language code.");
138	}
139
140	Locale newLocale = new Locale(newLang);
141	if (setDefaultLocale)
142	Locale.setDefault(newLocale);
143
144	/**
145	* Setting default locale for Swing JComponents to work around bug
146	* http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4884480
147	*/
148	JComponent.setDefaultLocale(newLocale);
149
150	Translation.activeLang = newLang;
151
152	fireLocaleChangeEvents();
153
154	LOGGER.info("skrueger.i8n.Translation switched ActiveLang to "
155	+ newLang);
156	}
157
158	/**
159	* Initializes a new {@link Translation} with a default translation if a
160	* simple text is passed. If a "oneLine" text is parsed, it is interpreted.
161	* Other translations may be added later - this is a HashMap<br/>
162	*
163	* @param defaultTranslation
164	*
165	* @see public Translation(List<String> languages, String
166	* defaultTranslation) {
167	*
168	*/
169	public Translation(String defaultTranslation) {
170
171	fromOneLine(defaultTranslation);
172
173	}
174
175	/**
176	* Initializes a new {@link Translation}, an uses the given String to
177	* initialize the {@link Translation} for all languages codes passed.
178	*
179	* The translations can be changed later
180	*/
181	public Translation(List<String> languages, String defaultTranslation) {
182	// put(DEFAULT_KEY, defaultTranslation);
183	if (languages == null) {
184	put(DEFAULT_KEY, defaultTranslation);
185	} else
186	for (String code : languages) {
187	// if (code.equals(getActiveLang())) {
188	put(code, defaultTranslation);
189	// }
190	}
191	}
192
193	/**
194	* Sometimes Translations are optional, like for keywords.
195	*/
196	public Translation() {
197	}
198
199	/**
200	* Fills the {@link Translation} with the values coded into the String
201	* Format of {@link String} is: "de{Baum}en{tree}"
202	* <p>
203	* <ul>
204	* <li>If <code>oneLineCoded</code> is empty or null, NO TRANSLATION is set.
205	* <li>If format can't be recognized, the {@link String} is interpreted as
206	* the translation in the <code>{@value #DEFAULT_KEY}</code> language
207	*
208	* @author Stefan Alfons Krüger
209	*/
210	public void fromOneLine(final String oneLineCoded) {
211
212	clear();
213
214	try {
215
216	if ((oneLineCoded == null) \|\| (oneLineCoded.equals(""))) {
217	put(DEFAULT_KEY, "");
218	return;
219	}
220
221	if (oneLineCoded.indexOf("}") == -1) {
222	// log.warn("The String '"+oneLineCoded+"' is not in oneLine coded => put(DEFAULT_KEY,oneLineCoded);");
223	put(DEFAULT_KEY, oneLineCoded);
224	}
225
226	String eatUp = oneLineCoded;
227	while (eatUp.indexOf("}") != -1) {
228	String substring = eatUp.substring(0, eatUp.indexOf("}"));
229
230	// log.debug("substring = "+substring);
231	String key = substring.substring(0, substring.indexOf("{"));
232	String value = substring.substring(substring.indexOf("{") + 1,
233	substring.length());
234	// log.debug("key="+key);
235	// log.debug("value="+value);
236	put(key, value);
237	eatUp = eatUp.substring(eatUp.indexOf("}") + 1);
238	}
239	} catch (Exception e) {
240	LOGGER.warn("Error while reading the oneLineCode '" + oneLineCoded
241	+ "'", e);
242	LOGGER.warn("Translation will be empty!");
243	}
244	}
245
246	/**
247	* Exports the Translations to a String of the Format: "de{Baum}en{tree}"
248	*
249	* @author Stefan Alfons Krüger
250	*/
251	public String toOneLine() {
252	return I8NUtil.toOneLine(this);
253	}
254
255	/**
256	* Returns the right translation by using the {@link #activeLang} field. If
257	* no translation is set, an ugly String {@link #NO_TRANSLATION} will re
258	* returned. This might be changed for the final release. If the correct
259	* language was not found, any entry in the {@link Translation}
260	* {@link HashMap} will be returned, that contains more than an empty
261	* string.
262	*/
263	@Override
264	public String toString() {
265	if (get(activeLang) != null) {
266	return get(activeLang);
267	}
268	// ****************************************************************************
269	// MS: The ISDSS needs the concept of the default lang!! So I took the
270	// following in again!!
271	// ****************************************************************************
272	// else return "";
273	// //****************************************************************************
274	// // The following is commented out.. the concept of the default lang
275	// seems to be bad....
276	// //****************************************************************************
277	// MS:
278	else {
279	if (get(DEFAULT_KEY) != null) {
280	return get(DEFAULT_KEY);
281	}
282
283	// log.debug("return first best <> '' ");
284	if (size() > 0)
285	for (String s : values()) {
286	if ((s != null) && (s.trim().length() > 0))
287	return s;
288	}
289	}
290	// log.warn("No translation found!");
291	return NO_TRANSLATION;
292	}
293
294	/**
295	* {@link PropertyChangeListener} can be registered to be informed when the
296	* {@link Locale} changed.<br>
297	* The listeners are kept in a {@link WeakHashMap}, so you have to keep a
298	* reference to the listener or it will be removed!
299	*
300	* @param propertyChangeListener
301	* A {@link PropertyChangeListener} that will be called when
302	* {@link #setActiveLang(String)} changes the language.
303	*/
304	public static void addLocaleChangeListener(
305	PropertyChangeListener propertyChangeListener) {
306	listeners.add(propertyChangeListener);
307	}
308
309	/**
310	* {@link PropertyChangeListener} can be registered to be informed when the
311	* {@link Locale} changed.<br>
312	* The listeners are kept in a {@link WeakHashMap}, so you have to keep a
313	* reference to the listener or it will be removed!
314	*
315	* @param propertyChangeListener
316	* A {@link PropertyChangeListener} that will be called when
317	* {@link #setActiveLang(String)} changes the language.
318	*/
319	public static boolean removeLocaleChangeListener(
320	PropertyChangeListener propertyChangeListener) {
321	return listeners.remove(propertyChangeListener);
322	}
323
324	/**
325	* Informs all registered {@link PropertyChangeListener}s about a change of
326	* the the {@link Locale}.
327	*/
328	public static void fireLocaleChangeEvents() {
329	PropertyChangeEvent pce = new PropertyChangeEvent(new Translation(
330	new ArrayList<String>(), "fakeSource"), LOCALECHANGE_PROPERTY,
331	null, getActiveLang());
332	for (PropertyChangeListener pcl : listeners) {
333	if (pcl != null)
334	pcl.propertyChange(pce);
335	}
336	}
337
338	/**
339	* The listeneras are stored in a {@link WeakHashSet}! So you HAVE TO KEEP a
340	* reference as long as you need the listener.
341	*/
342	public void addTranslationChangeListener(ActionListener actionListener) {
343	if (actionListeners.add(actionListener)) {
344	// LOGGER
345	// .debug("registering a new translationChangeActionListener in the WeakHashSet");
346	}
347	}
348
349	/**
350	* The listeneras are stored in a {@link WeakHashSet}! You don't have to
351	* remove the listener, as long as you throw away the reference to the
352	* listener.
353	*/
354	public boolean removeTranslationChangeListener(ActionListener actionListener) {
355	return actionListeners.remove(actionListener);
356	}
357
358	public void fireTranslationChangedEvents(String lang) {
359	ActionEvent ae = new ActionEvent(this, new Random().nextInt(), lang);
360
361	final Iterator<ActionListener> iterator = actionListeners.iterator();
362	while (iterator.hasNext()) {
363	ActionListener al = iterator.next();
364	al.actionPerformed(ae);
365	}
366	}
367
368	@Override
369	public String put(String lang, String value) {
370	String result = super.put(lang, value);
371	fireTranslationChangedEvents(lang);
372	return result;
373	}
374
375	public void fromOneLine(InternationalString iString) {
376	if (iString != null)
377	fromOneLine(iString.toString());
378	else
379	fromOneLine((String) null);
380	}
381
382	/**
383	* Copy this {@link Translation} to another {@link Translation} e.g. for
384	* editing
385	*
386	* @return the destination {@link Translation}
387	*/
388	@Override
389	public Translation copyTo(Translation translation2) {
390
391	if (translation2 == null)
392	// throw new IllegalArgumentException(
393	// "Target translation may not be null.");
394	return copy();
395	for (String s : keySet()) {
396	translation2.put(s, get(s));
397	}
398
399	return translation2;
400	}
401
402	@Override
403	public Translation copy() {
404	return copyTo(new Translation());
405	}
406
407	/**
408	* Checks if the {@link String}s stored in the {@link Translation} are all
409	* valid.
410	*
411	* @return <code>true</code> if all good
412	*/
413	public static boolean checkValid(Translation translationToCheck) {
414
415	for (String l : translationToCheck.values()) {
416
417	if (l.contains("{") \|\| l.contains("}")) {
418
419	return false;
420	}
421	}
422	return true;
423	}
424
425	}