69 lines
2.0 KiB
Java
69 lines
2.0 KiB
Java
/*
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* Copyright 2007 Yusuke Yamamoto
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package twitter4j;
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import twitter4j.management.APIStatistics;
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import twitter4j.management.APIStatisticsMBean;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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/**
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* Singleton instance of all Twitter API monitoring. Handles URL parsing and
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* "wire off" logic. We could avoid using a singleton here if Twitter objects
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* were instantiated from a factory.
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*
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* @author Nick Dellamaggiore (nick.dellamaggiore <at> gmail.com)
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* @since Twitter4J 2.2.1
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*/
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public class TwitterAPIMonitor {
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// https?:\/\/[^\/]+\/([a-zA-Z_\.]*).*
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// finds the "method" part a Twitter REST API url, ignoring member-specific
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// resource names
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private static final Pattern pattern = Pattern.compile("https?:\\/\\/[^\\/]+\\/([a-zA-Z_\\.]*).*");
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private static final TwitterAPIMonitor SINGLETON = new TwitterAPIMonitor();
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private final APIStatistics STATISTICS = new APIStatistics(100);
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static {
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System.setProperty("http.keepAlive", "false");
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}
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/**
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* Constructor
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*/
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private TwitterAPIMonitor() {
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}
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public APIStatisticsMBean getStatistics() {
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return STATISTICS;
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}
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void methodCalled(final String twitterUrl, final long elapsedTime, final boolean success) {
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final Matcher matcher = pattern.matcher(twitterUrl);
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if (matcher.matches() && matcher.groupCount() > 0) {
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final String method = matcher.group();
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STATISTICS.methodCalled(method, elapsedTime, success);
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}
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}
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public static TwitterAPIMonitor getInstance() {
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return SINGLETON;
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}
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}
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