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/*
* 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.dubbo.metadata.definition;
import org.apache.dubbo.common.logger.Logger;
import org.apache.dubbo.common.logger.LoggerFactory;
import org.apache.dubbo.common.utils.ClassUtils;
import org.apache.dubbo.metadata.definition.builder.DefaultTypeBuilder;
import org.apache.dubbo.metadata.definition.builder.TypeBuilder;
import org.apache.dubbo.metadata.definition.model.TypeDefinition;
import org.apache.dubbo.rpc.model.FrameworkModel;
import java.lang.reflect.Type;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
/**
* 2015/1/27.
*/
public class TypeDefinitionBuilder {
private static final Logger logger = LoggerFactory.getLogger(TypeDefinitionBuilder.class);
public static List BUILDERS;
public static void initBuilders(FrameworkModel model) {
Set tbs = model.getExtensionLoader(TypeBuilder.class).getSupportedExtensionInstances();
BUILDERS = new ArrayList<>(tbs);
}
public static TypeDefinition build(Type type, Class clazz, Map typeCache) {
TypeBuilder builder = getGenericTypeBuilder(clazz);
TypeDefinition td;
if (clazz.isPrimitive() || ClassUtils.isSimpleType(clazz)) { // changed since 2.7.6
td = new TypeDefinition(clazz.getCanonicalName());
typeCache.put(clazz.getCanonicalName(), td);
} else if (builder != null) {
td = builder.build(type, clazz, typeCache);
} else {
td = DefaultTypeBuilder.build(clazz, typeCache);
}
return td;
}
private static TypeBuilder getGenericTypeBuilder(Class clazz) {
for (TypeBuilder builder : BUILDERS) {
try {
if (builder.accept(clazz)) {
return builder;
}
} catch (NoClassDefFoundError cnfe) {
//ignore
logger.info("Throw classNotFound (" + cnfe.getMessage() + ") in " + builder.getClass());
}
}
return null;
}
private Map typeCache = new HashMap<>();
public TypeDefinition build(Type type, Class clazz) {
return build(type, clazz, typeCache);
}
public List getTypeDefinitions() {
return new ArrayList<>(typeCache.values());
}
}