JMeter example source code file (HTTPSamplerFactory.java)

This example JMeter source code file (HTTPSamplerFactory.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - JMeter tags/keywords

cannot, default_classname, default_classname, http_sampler_java, httpsampler, httpsampler2, httpsampler2, httpsamplerbase, httpsamplerfactory, non-nls-1, non-nls-1, string, string, unsupportedoperationexception

The JMeter HTTPSamplerFactory.java source code

/*
 * 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.jmeter.protocol.http.sampler;

import org.apache.jmeter.util.JMeterUtils;

/**
 * Factory to return the appropriate HTTPSampler for use with classes that need
 * an HTTPSampler
 *
 */
public class HTTPSamplerFactory {

    /** Use the the default Java HTTP implementation */
    public static final String HTTP_SAMPLER_JAVA = "HTTPSampler"; //$NON-NLS-1$

    /** Use Apache HTTPClient HTTP implementation */
    public static final String HTTP_SAMPLER_APACHE = "HTTPSampler2"; //$NON-NLS-1$

    public static final String DEFAULT_CLASSNAME =
        JMeterUtils.getPropDefault("jmeter.httpsampler", HTTP_SAMPLER_JAVA); //$NON-NLS-1$

    private HTTPSamplerFactory() {
        // Not intended to be instantiated
    }

    /**
     * Create a new instance of the default sampler
     *
     * @return instance of default sampler
     */
    public static HTTPSamplerBase newInstance() {
        return newInstance(DEFAULT_CLASSNAME);
    }

    /**
     * Create a new instance of the required sampler type
     *
     * @param alias HTTP_SAMPLER or HTTP_SAMPLER_APACHE
     * @return the appropriate sampler
     * @throws UnsupportedOperationException if alias is not recognised
     */
    public static HTTPSamplerBase newInstance(String alias) {
        if (alias.length() == 0) {
            alias = DEFAULT_CLASSNAME;
        }
        if (alias.equals(HTTP_SAMPLER_JAVA)) {
            return new HTTPSampler();
        }
        if (alias.equals(HTTP_SAMPLER_APACHE)) {
            return new HTTPSampler2();
        }
        throw new UnsupportedOperationException("Cannot create class: " + alias);
    }
}