001    /**
002     * Copyright (c) 2000-2013 Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portlet.translator.util;
016    
017    import com.liferay.portal.kernel.microsofttranslator.MicrosoftTranslator;
018    import com.liferay.portal.kernel.microsofttranslator.MicrosoftTranslatorFactoryUtil;
019    import com.liferay.portal.kernel.util.StringPool;
020    import com.liferay.portal.kernel.util.Time;
021    import com.liferay.portal.kernel.webcache.WebCacheException;
022    import com.liferay.portal.kernel.webcache.WebCacheItem;
023    import com.liferay.portlet.translator.model.Translation;
024    
025    /**
026     * @author Brian Wing Shun Chan
027     * @author Hugo Huijser
028     */
029    public class TranslationWebCacheItem implements WebCacheItem {
030    
031            public TranslationWebCacheItem(String translationId, String fromText) {
032                    _translationId = translationId;
033                    _fromText = fromText;
034            }
035    
036            @Override
037            public Object convert(String key) throws WebCacheException {
038                    Translation translation = new Translation(_translationId, _fromText);
039    
040                    try {
041                            MicrosoftTranslator microsoftTranslator =
042                                    MicrosoftTranslatorFactoryUtil.getMicrosoftTranslator();
043    
044                            int x = _translationId.indexOf(StringPool.UNDERLINE);
045    
046                            if ((x == -1) || ((x + 1) == _translationId.length())) {
047                                    throw new WebCacheException(
048                                            "Invalid translation ID " + _translationId);
049                            }
050    
051                            if (Character.isUpperCase(_translationId.charAt(x + 1))) {
052                                    x = _translationId.indexOf(StringPool.UNDERLINE, x + 1);
053    
054                                    if ((x == -1) || ((x + 1) == _translationId.length())) {
055                                            throw new WebCacheException(
056                                                    "Invalid translation ID " + _translationId);
057                                    }
058                            }
059    
060                            String fromLanguage = _translationId.substring(0, x);
061                            String toLanguage = _translationId.substring(x + 1);
062    
063                            String toText = microsoftTranslator.translate(
064                                    fromLanguage, toLanguage, _fromText);
065    
066                            translation.setToText(toText);
067                    }
068                    catch (Exception e) {
069                            throw new WebCacheException(e);
070                    }
071    
072                    return translation;
073            }
074    
075            @Override
076            public long getRefreshTime() {
077                    return _REFRESH_TIME;
078            }
079    
080            private static final long _REFRESH_TIME = Time.DAY * 90;
081    
082            private String _fromText;
083            private String _translationId;
084    
085    }