001/** 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.apache.camel.blueprint; 018 019import org.apache.camel.CamelContext; 020import org.apache.camel.core.osgi.OsgiLanguageResolver; 021import org.apache.camel.spi.Language; 022import org.apache.camel.spi.LanguageResolver; 023import org.osgi.framework.BundleContext; 024import org.slf4j.Logger; 025import org.slf4j.LoggerFactory; 026 027public class BlueprintLanguageResolver extends OsgiLanguageResolver { 028 029 private static final Logger LOG = LoggerFactory.getLogger(BlueprintLanguageResolver.class); 030 031 public BlueprintLanguageResolver(BundleContext bundleContext) { 032 super(bundleContext); 033 } 034 035 @Override 036 public Language resolveLanguage(String name, CamelContext context) { 037 try { 038 Object bean = context.getRegistry().lookupByName(".camelBlueprint.languageResolver." + name); 039 if (bean instanceof LanguageResolver) { 040 LOG.debug("Found language resolver: {} in registry: {}", name, bean); 041 return ((LanguageResolver) bean).resolveLanguage(name, context); 042 } 043 } catch (Exception e) { 044 LOG.trace("Ignored error looking up bean: " + name + " due: " + e.getMessage(), e); 045 } 046 return super.resolveLanguage(name, context); 047 } 048 049}