MyCounter.java Source code

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Here is the source code for MyCounter.java

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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.
 */
/*
 * $Id: MyCounter.java 470245 2006-11-02 06:34:33Z minchau $
 */
import java.util.Hashtable;

public class MyCounter {
    static Hashtable counters = new Hashtable();

    public void init(org.apache.xalan.extensions.XSLProcessorContext context, org.w3c.dom.Element elem) {
        String name = elem.getAttribute("name");
        String value = elem.getAttribute("value");
        int val;
        try {
            val = Integer.parseInt(value);
        } catch (NumberFormatException e) {
            e.printStackTrace();
            val = 0;
        }
        counters.put(name, new Integer(val));
    }

    public int read(String name) {
        Integer cval = (Integer) counters.get(name);
        return (cval == null) ? 0 : cval.intValue();
    }

    public void incr(org.apache.xalan.extensions.XSLProcessorContext context, org.w3c.dom.Element elem) {
        String name = elem.getAttribute("name");
        Integer cval = (Integer) counters.get(name);
        int nval = (cval == null) ? 0 : (cval.intValue() + 1);
        counters.put(name, new Integer(nval));
    }
}