org.apache.camel.impl.converter.CorePackageScanClassResolver Maven / Gradle / Ivy
/**
* 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.impl.converter;
import java.lang.annotation.Annotation;
import java.util.Collections;
import java.util.LinkedHashSet;
import java.util.Set;
import org.apache.camel.component.bean.BeanConverter;
import org.apache.camel.component.file.GenericFileConverter;
import org.apache.camel.converter.CamelConverter;
import org.apache.camel.converter.CollectionConverter;
import org.apache.camel.converter.DateTimeConverter;
import org.apache.camel.converter.IOConverter;
import org.apache.camel.converter.NIOConverter;
import org.apache.camel.converter.ObjectConverter;
import org.apache.camel.converter.TimePatternConverter;
import org.apache.camel.converter.jaxp.DomConverter;
import org.apache.camel.converter.jaxp.StaxConverter;
import org.apache.camel.converter.jaxp.StreamSourceConverter;
import org.apache.camel.converter.jaxp.XmlConverter;
import org.apache.camel.converter.stream.StreamCacheConverter;
import org.apache.camel.spi.PackageScanClassResolver;
import org.apache.camel.spi.PackageScanFilter;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* A {@link org.apache.camel.spi.ClassResolver} which loads type converters
* from a hardcoded list of classes.
*
* Important: Whenever a new type converter class is added to camel-core
* then the class should be added to the list in this class.
*
* @see CoreTypeConverterLoader
*/
public class CorePackageScanClassResolver implements PackageScanClassResolver {
protected final transient Logger log = LoggerFactory.getLogger(getClass());
private final Set classLoaders = new LinkedHashSet();
private final Set> converters = new LinkedHashSet>();
public CorePackageScanClassResolver() {
converters.add(ObjectConverter.class);
converters.add(CollectionConverter.class);
converters.add(DateTimeConverter.class);
converters.add(IOConverter.class);
converters.add(NIOConverter.class);
converters.add(StaxConverter.class);
converters.add(DomConverter.class);
converters.add(StreamSourceConverter.class);
converters.add(XmlConverter.class);
converters.add(CamelConverter.class);
converters.add(StreamCacheConverter.class);
converters.add(TimePatternConverter.class);
converters.add(FutureTypeConverter.class);
converters.add(BeanConverter.class);
converters.add(GenericFileConverter.class);
}
@Override
public void setClassLoaders(Set classLoaders) {
// add all the class loaders
this.classLoaders.addAll(classLoaders);
}
@Override
public Set getClassLoaders() {
// return a new set to avoid any concurrency issues in other runtimes such as OSGi
return Collections.unmodifiableSet(new LinkedHashSet(classLoaders));
}
@Override
public void addClassLoader(ClassLoader classLoader) {
classLoaders.add(classLoader);
}
@Override
public Set> findAnnotated(Class annotation, String... packageNames) {
return converters;
}
@Override
public Set> findAnnotated(Set> annotations, String... packageNames) {
return converters;
}
@Override
public Set> findImplementations(Class parent, String... packageNames) {
// noop
return null;
}
@Override
public Set> findByFilter(PackageScanFilter filter, String... packageNames) {
// noop
return null;
}
@Override
public void addFilter(PackageScanFilter filter) {
// noop
}
@Override
public void removeFilter(PackageScanFilter filter) {
// noop
}
}