/*
* 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.tomcat.dbcp.pool2;
/**
* A base class for common functionality .
*
* @ since 2 . 4 . 3
*/
public abstract class BaseObject {
@Override
public String toString() {
final StringBuilder builder = new StringBuilder();
builder.append(getClass().getSimpleName());
builder.append(" [" );
toStringAppendFields(builder);
builder.append("]" );
return builder.toString();
}
/**
* Used by sub - classes to include the fields defined by the sub - class in the
* { @ link # toString ( ) } output .
*
* @ param builder Field names and values are appended to this object
*/
protected void toStringAppendFields(final StringBuilder builder) {
// do nothing by default, needed for b/w compatibility.
}
}
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