| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.camel.core.osgi; |
| |
| import java.util.Collection; |
| |
| import org.apache.camel.CamelContext; |
| import org.apache.camel.RuntimeCamelException; |
| import org.apache.camel.spi.DataFormat; |
| import org.apache.camel.spi.DataFormatFactory; |
| import org.apache.camel.spi.DataFormatResolver; |
| import org.apache.camel.support.ResolverHelper; |
| import org.osgi.framework.BundleContext; |
| import org.osgi.framework.InvalidSyntaxException; |
| import org.osgi.framework.ServiceReference; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| public class OsgiDataFormatResolver implements DataFormatResolver { |
| private static final Logger LOG = LoggerFactory.getLogger(OsgiDataFormatResolver.class); |
| |
| private final BundleContext bundleContext; |
| |
| public OsgiDataFormatResolver(BundleContext bundleContext) { |
| this.bundleContext = bundleContext; |
| } |
| |
| @Override |
| public DataFormat createDataFormat(String name, CamelContext context) { |
| DataFormat dataFormat = null; |
| |
| // lookup in registry first |
| DataFormatFactory dataFormatFactory = ResolverHelper.lookupDataFormatFactoryInRegistryWithFallback(context, name); |
| if (dataFormatFactory != null) { |
| dataFormat = dataFormatFactory.newInstance(); |
| } |
| |
| if (dataFormat == null) { |
| dataFormat = getDataFormat(name, context); |
| } |
| |
| return dataFormat; |
| } |
| |
| private DataFormat getDataFormat(String name, CamelContext context) { |
| LOG.trace("Finding DataFormat: {}", name); |
| try { |
| Collection<ServiceReference<DataFormatResolver>> refs = bundleContext.getServiceReferences(DataFormatResolver.class, "(dataformat=" + name + ")"); |
| if (refs != null) { |
| for (ServiceReference<DataFormatResolver> ref : refs) { |
| return bundleContext.getService(ref).createDataFormat(name, context); |
| } |
| } |
| return null; |
| } catch (InvalidSyntaxException e) { |
| throw RuntimeCamelException.wrapRuntimeCamelException(e); |
| } |
| } |
| |
| } |