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The Core Camel Java DSL based router
/**
* 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;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import org.apache.camel.NoSuchBeanException;
import org.apache.camel.spi.Registry;
/**
* A {@link Map}-based registry.
*/
public class SimpleRegistry extends HashMap implements Registry {
private static final long serialVersionUID = -3739035212761568984L;
public Object lookupByName(String name) {
return get(name);
}
public T lookupByNameAndType(String name, Class type) {
Object answer = lookupByName(name);
// just to be safe
if (answer == null) {
return null;
}
try {
return type.cast(answer);
} catch (Throwable e) {
String msg = "Found bean: " + name + " in SimpleRegistry: " + this
+ " of type: " + answer.getClass().getName() + " expected type was: " + type;
throw new NoSuchBeanException(name, msg, e);
}
}
public Map findByTypeWithName(Class type) {
Map result = new HashMap<>();
for (Map.Entry entry : entrySet()) {
if (type.isInstance(entry.getValue())) {
result.put(entry.getKey(), type.cast(entry.getValue()));
}
}
return result;
}
public Set findByType(Class type) {
Set result = new HashSet<>();
for (Map.Entry entry : entrySet()) {
if (type.isInstance(entry.getValue())) {
result.add(type.cast(entry.getValue()));
}
}
return result;
}
public Object lookup(String name) {
return lookupByName(name);
}
public T lookup(String name, Class type) {
return lookupByNameAndType(name, type);
}
public Map lookupByType(Class type) {
return findByTypeWithName(type);
}
}