//
// 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 com.cloud.utils.component;
import net.sf.cglib.core.NamingPolicy;
import net.sf.cglib.core.Predicate;
/**
* Copied/Modified from Spring source
*
*/
public class ComponentNamingPolicy implements NamingPolicy {
public static final ComponentNamingPolicy INSTANCE = new ComponentNamingPolicy();
@Override
public String getClassName(String prefix, String source, Object key, Predicate names) {
if (prefix == null) {
prefix = "net.sf.cglib.empty.Object";
} else if (prefix.startsWith("java")) {
prefix = "_" + prefix;
}
String base = prefix + "_" + source.substring(source.lastIndexOf('.') + 1) + getTag() + "_" + Integer.toHexString(key.hashCode());
String attempt = base;
int index = 2;
while (names.evaluate(attempt))
attempt = base + "_" + index++;
return attempt;
}
/**
* Returns a string which is incorporated into every generated class name.
* By default returns "ByCloudStack"
*/
protected String getTag() {
return "ByCloudStack";
}
@Override
public int hashCode() {
return getTag().hashCode();
}
@Override
public boolean equals(Object o) {
return (o instanceof ComponentNamingPolicy) && ((ComponentNamingPolicy)o).getTag().equals(getTag());
}
}