michael@0: /*
michael@0:  * ====================================================================
michael@0:  * Licensed to the Apache Software Foundation (ASF) under one
michael@0:  * or more contributor license agreements.  See the NOTICE file
michael@0:  * distributed with this work for additional information
michael@0:  * regarding copyright ownership.  The ASF licenses this file
michael@0:  * to you under the Apache License, Version 2.0 (the
michael@0:  * "License"); you may not use this file except in compliance
michael@0:  * with the License.  You may obtain a copy of the License at
michael@0:  *
michael@0:  *   http://www.apache.org/licenses/LICENSE-2.0
michael@0:  *
michael@0:  * Unless required by applicable law or agreed to in writing,
michael@0:  * software distributed under the License is distributed on an
michael@0:  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
michael@0:  * KIND, either express or implied.  See the License for the
michael@0:  * specific language governing permissions and limitations
michael@0:  * under the License.
michael@0:  * ====================================================================
michael@0:  *
michael@0:  * This software consists of voluntary contributions made by many
michael@0:  * individuals on behalf of the Apache Software Foundation.  For more
michael@0:  * information on the Apache Software Foundation, please see
michael@0:  * <http://www.apache.org/>.
michael@0:  *
michael@0:  */
michael@0: 
michael@0: package ch.boye.httpclientandroidlib.impl;
michael@0: 
michael@0: import java.util.HashMap;
michael@0: import ch.boye.httpclientandroidlib.HttpConnectionMetrics;
michael@0: import ch.boye.httpclientandroidlib.io.HttpTransportMetrics;
michael@0: 
michael@0: /**
michael@0:  * Default implementation of the {@link HttpConnectionMetrics} interface.
michael@0:  *
michael@0:  * @since 4.0
michael@0:  */
michael@0: public class HttpConnectionMetricsImpl implements HttpConnectionMetrics {
michael@0: 
michael@0:     public static final String REQUEST_COUNT = "http.request-count";
michael@0:     public static final String RESPONSE_COUNT = "http.response-count";
michael@0:     public static final String SENT_BYTES_COUNT = "http.sent-bytes-count";
michael@0:     public static final String RECEIVED_BYTES_COUNT = "http.received-bytes-count";
michael@0: 
michael@0:     private final HttpTransportMetrics inTransportMetric;
michael@0:     private final HttpTransportMetrics outTransportMetric;
michael@0:     private long requestCount = 0;
michael@0:     private long responseCount = 0;
michael@0: 
michael@0:     /**
michael@0:      * The cache map for all metrics values.
michael@0:      */
michael@0:     private HashMap metricsCache;
michael@0: 
michael@0:     public HttpConnectionMetricsImpl(
michael@0:             final HttpTransportMetrics inTransportMetric,
michael@0:             final HttpTransportMetrics outTransportMetric) {
michael@0:         super();
michael@0:         this.inTransportMetric = inTransportMetric;
michael@0:         this.outTransportMetric = outTransportMetric;
michael@0:     }
michael@0: 
michael@0:     /* ------------------  Public interface method -------------------------- */
michael@0: 
michael@0:     public long getReceivedBytesCount() {
michael@0:         if (this.inTransportMetric != null) {
michael@0:             return this.inTransportMetric.getBytesTransferred();
michael@0:         } else {
michael@0:             return -1;
michael@0:         }
michael@0:     }
michael@0: 
michael@0:     public long getSentBytesCount() {
michael@0:         if (this.outTransportMetric != null) {
michael@0:             return this.outTransportMetric.getBytesTransferred();
michael@0:         } else {
michael@0:             return -1;
michael@0:         }
michael@0:     }
michael@0: 
michael@0:     public long getRequestCount() {
michael@0:         return this.requestCount;
michael@0:     }
michael@0: 
michael@0:     public void incrementRequestCount() {
michael@0:         this.requestCount++;
michael@0:     }
michael@0: 
michael@0:     public long getResponseCount() {
michael@0:         return this.responseCount;
michael@0:     }
michael@0: 
michael@0:     public void incrementResponseCount() {
michael@0:         this.responseCount++;
michael@0:     }
michael@0: 
michael@0:     public Object getMetric(final String metricName) {
michael@0:         Object value = null;
michael@0:         if (this.metricsCache != null) {
michael@0:             value = this.metricsCache.get(metricName);
michael@0:         }
michael@0:         if (value == null) {
michael@0:             if (REQUEST_COUNT.equals(metricName)) {
michael@0:                 value = new Long(requestCount);
michael@0:             } else if (RESPONSE_COUNT.equals(metricName)) {
michael@0:                 value = new Long(responseCount);
michael@0:             } else if (RECEIVED_BYTES_COUNT.equals(metricName)) {
michael@0:                 if (this.inTransportMetric != null) {
michael@0:                     return new Long(this.inTransportMetric.getBytesTransferred());
michael@0:                 } else {
michael@0:                     return null;
michael@0:                 }
michael@0:             } else if (SENT_BYTES_COUNT.equals(metricName)) {
michael@0:                 if (this.outTransportMetric != null) {
michael@0:                     return new Long(this.outTransportMetric.getBytesTransferred());
michael@0:                 } else {
michael@0:                     return null;
michael@0:                 }
michael@0:             }
michael@0:         }
michael@0:         return value;
michael@0:     }
michael@0: 
michael@0:     public void setMetric(final String metricName, Object obj) {
michael@0:         if (this.metricsCache == null) {
michael@0:             this.metricsCache = new HashMap();
michael@0:         }
michael@0:         this.metricsCache.put(metricName, obj);
michael@0:     }
michael@0: 
michael@0:     public void reset() {
michael@0:         if (this.outTransportMetric != null) {
michael@0:             this.outTransportMetric.reset();
michael@0:         }
michael@0:         if (this.inTransportMetric != null) {
michael@0:             this.inTransportMetric.reset();
michael@0:         }
michael@0:         this.requestCount = 0;
michael@0:         this.responseCount = 0;
michael@0:         this.metricsCache = null;
michael@0:     }
michael@0: 
michael@0: }