Java tutorial
/* * Copyright (c) 2012-2014 "Monowai Developments Limited" * * This file is part of AuditBucket. * * AuditBucket 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. * * AuditBucket 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 AuditBucket. If not, see <http://www.gnu.org/licenses/>. */ package com.auditbucket.helper; import com.auditbucket.search.model.SearchResult; import com.fasterxml.jackson.databind.ObjectMapper; import org.springframework.amqp.core.Message; import org.springframework.amqp.support.converter.MessageConversionException; import org.springframework.amqp.support.converter.SimpleMessageConverter; import org.springframework.stereotype.Component; import java.io.IOException; /** * Convert String to SearchResult. */ @Component("jsonToSearchResultConverter") public class JsonToSearchResultConverter extends SimpleMessageConverter { private static final String DEFAULT_CHARSET = "UTF-8"; @Override public Object fromMessage(final Message message) throws MessageConversionException { final Object content = super.fromMessage(message); try { if (content instanceof String) { ObjectMapper mapper = new ObjectMapper(); SearchResult searchResult = mapper.readValue(((String) content).getBytes(), SearchResult.class); return searchResult; } } catch (IOException e1) { throw new MessageConversionException("failed to convert text-based Message content", e1); } return content; } }