Java tutorial
/** * Copyright (c) 2000-2013 Liferay, Inc. All rights reserved. * * This library 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 2.1 of the License, or (at your option) * any later version. * * This library 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 Lesser General Public License for more * details. */ package com.fingence.slayer.service.impl; import java.util.List; import com.fingence.IConstants; import com.fingence.slayer.model.Rating; import com.fingence.slayer.service.base.RatingServiceBaseImpl; import com.liferay.portal.kernel.exception.SystemException; import com.liferay.portal.kernel.util.StringPool; import com.liferay.portal.kernel.util.Validator; /** * The implementation of the rating remote service. * * <p> * All custom service methods should be put in this class. Whenever methods are added, rerun ServiceBuilder to copy their definitions into the {@link com.fingence.slayer.service.RatingService} interface. * * <p> * This is a remote service. Methods of this service are expected to have security checks based on the propagated JAAS credentials because this service can be accessed remotely. * </p> * * @author Ahmed Hasan * @see com.fingence.slayer.service.base.RatingServiceBaseImpl * @see com.fingence.slayer.service.RatingServiceUtil */ public class RatingServiceImpl extends RatingServiceBaseImpl { /* * NOTE FOR DEVELOPERS: * * Never reference this interface directly. Always use {@link com.fingence.slayer.service.RatingServiceUtil} to access the rating remote service. */ public String getRatings(String description) { List<Rating> ratings = null; try { ratings = ratingPersistence.findByDescription(description); } catch (SystemException e) { e.printStackTrace(); } if (Validator.isNull(ratings) || ratings.size() == 0) return IConstants.UN_SPECIFIED; StringBuilder sb1 = new StringBuilder(); StringBuilder sb2 = new StringBuilder(); for (Rating rating : ratings) { String sandp = rating.getSandp(); String moodys = rating.getMoodys(); if (Validator.isNotNull(moodys)) { if (Validator.isNull(sb1.toString())) { sb1.append("Moody's:"); } else { sb1.append(StringPool.SLASH); } sb1.append(moodys); } if (Validator.isNotNull(sandp)) { if (Validator.isNull(sb2.toString())) { sb2.append("S&P:"); } else { sb2.append(StringPool.SLASH); } sb2.append(sandp); } } return (Validator.isNotNull(sb1.toString()) ? sb1.toString() : StringPool.BLANK) + (Validator.isNotNull(sb1.toString()) ? StringPool.SEMICOLON + StringPool.SPACE : StringPool.BLANK) + (Validator.isNotNull(sb2.toString()) ? sb2.toString() : StringPool.BLANK); } }