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Refactoring to add a base class to: - reduce duplication in the getFactoryClassName() method - reduce duplication in the toString()method where present - provide each type of Ref with a consistent toString() implementation git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1771226 13f79535-47bb-0310-9956-ffa450edef68
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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.naming; | ||
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import java.util.Enumeration; | ||
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import javax.naming.Context; | ||
import javax.naming.RefAddr; | ||
import javax.naming.Reference; | ||
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public abstract class AbstractRef extends Reference { | ||
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private static final long serialVersionUID = 1L; | ||
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public AbstractRef(String className) { | ||
super(className); | ||
} | ||
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public AbstractRef(String className, String factory, String factoryLocation) { | ||
super(className, factory, factoryLocation); | ||
} | ||
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/** | ||
* Retrieves the class name of the factory of the object to which this | ||
* reference refers. | ||
*/ | ||
@Override | ||
public final String getFactoryClassName() { | ||
String factory = super.getFactoryClassName(); | ||
if (factory != null) { | ||
return factory; | ||
} else { | ||
factory = System.getProperty(Context.OBJECT_FACTORIES); | ||
if (factory != null) { | ||
return null; | ||
} else { | ||
return getDefaultFactoryClassName(); | ||
} | ||
} | ||
} | ||
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protected abstract String getDefaultFactoryClassName(); | ||
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/** | ||
* Return a String rendering of this object. | ||
*/ | ||
@Override | ||
public final String toString() { | ||
StringBuilder sb = new StringBuilder(this.getClass().getSimpleName()); | ||
sb.append("[className="); | ||
sb.append(getClassName()); | ||
sb.append(",factoryClassLocation="); | ||
sb.append(getFactoryClassLocation()); | ||
sb.append(",factoryClassName="); | ||
sb.append(getFactoryClassName()); | ||
Enumeration<RefAddr> refAddrs = getAll(); | ||
while (refAddrs.hasMoreElements()) { | ||
RefAddr refAddr = refAddrs.nextElement(); | ||
sb.append(",{type="); | ||
sb.append(refAddr.getType()); | ||
sb.append(",content="); | ||
sb.append(refAddr.getContent()); | ||
sb.append("}"); | ||
} | ||
sb.append("]"); | ||
return sb.toString(); | ||
} | ||
} |
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