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.impl.converter; 018 019import org.apache.camel.spi.FactoryFinder; 020import org.apache.camel.spi.Injector; 021import org.apache.camel.spi.PackageScanClassResolver; 022 023/** 024 * Default implementation of a type converter registry used for 025 * <a href="http://camel.apache.org/type-converter.html">type converters</a> in Camel. 026 * <p/> 027 * This implementation will load type converters up-front on startup. 028 * 029 * @version 030 */ 031public class DefaultTypeConverter extends BaseTypeConverterRegistry { 032 033 private final boolean loadTypeConverters; 034 035 public DefaultTypeConverter(PackageScanClassResolver resolver, Injector injector, 036 FactoryFinder factoryFinder, boolean loadTypeConverters) { 037 super(resolver, injector, factoryFinder); 038 this.loadTypeConverters = loadTypeConverters; 039 } 040 041 @Override 042 public boolean allowNull() { 043 return false; 044 } 045 046 @Override 047 public boolean isRunAllowed() { 048 // as type converter is used during initialization then allow it to always run 049 return true; 050 } 051 052 @Override 053 protected void doStart() throws Exception { 054 super.doStart(); 055 // core type converters is always loaded which does not use any classpath scanning 056 // and therefore is fast 057 058 loadCoreTypeConverters(); 059 if (loadTypeConverters) { 060 int core = typeMappings.size(); 061 // load type converters up front 062 loadTypeConverters(); 063 int additional = typeMappings.size() - core; 064 065 // report how many type converters we have loaded 066 log.info("Type converters loaded (core: {}, classpath: {})", core, additional); 067 } 068 } 069 070}