java/org/apache/tomcat/util/descriptor/web/XmlEncodingBase.java

/*
 * 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.util.descriptor.web;

/**
 * Base class for those elements that need to track the encoding used in the
 * source XML.
 */
public abstract class XmlEncodingBase {

    private String encoding = null;


    public void setEncoding(String encoding) {
        this.encoding = encoding;
    }


    /**
     * Obtain the encoding of the XML source that was used to populated this
     * object.
     *
     * @return The encoding of the associated XML source or <code>UTF-8</code>
     *         if the encoding could not be determined
     */
    public String getEncoding() {
        if (encoding == null || encoding.length() == 0) {
            return "UTF-8";
        }
        return encoding;
    }
}