JMeter example source code file (ParserImpl.java)

This example JMeter source code file (ParserImpl.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

dochandler, dochandler, failed, failed, inputsource, inputsource, io, monitorhandler, parser, parser, parserimpl, sax, saxexception, saxparser, status, status, string, xml

The JMeter ParserImpl.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.monitor.parser;

import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.StringReader;

import org.xml.sax.SAXException;
import org.xml.sax.InputSource;

import javax.xml.parsers.ParserConfigurationException;
import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;

import org.apache.jmeter.monitor.model.ObjectFactory;
import org.apache.jmeter.monitor.model.Status;
import org.apache.jmeter.samplers.SampleResult;
import org.apache.jorphan.logging.LoggingManager;
import org.apache.log.Logger;

public abstract class ParserImpl implements Parser {

    private static final Logger log = LoggingManager.getLoggerForClass();

    private final SAXParser PARSER;

    private final MonitorHandler DOCHANDLER;

    private final ObjectFactory FACTORY;

    /**
     *
     */
    public ParserImpl(ObjectFactory factory) {
        super();
        this.FACTORY = factory;
        SAXParser parser = null;
        MonitorHandler handler = null;
        try {
            SAXParserFactory parserFactory = SAXParserFactory.newInstance();
            parser = parserFactory.newSAXParser();
            handler = new MonitorHandler();
            handler.setObjectFactory(this.FACTORY);
        } catch (SAXException e) {
            log.error("Failed to create the parser",e);
        } catch (ParserConfigurationException e) {
            log.error("Failed to create the parser",e);
        }
        PARSER = parser;
        DOCHANDLER = handler;
    }

    /**
     * parse byte array and return Status object
     *
     * @param bytes
     * @return Status
     */
    public Status parseBytes(byte[] bytes) {
        try {
            InputSource is = new InputSource();
            is.setByteStream(new ByteArrayInputStream(bytes));
            PARSER.parse(is, DOCHANDLER);
            return DOCHANDLER.getContents();
        } catch (SAXException e) {
            log.error("Failed to parse the bytes",e);
            // let bad input fail silently
            return DOCHANDLER.getContents();
        } catch (IOException e) { // Should never happen
            log.error("Failed to read the bytes",e);
            // let bad input fail silently
            return DOCHANDLER.getContents();
        }
    }

    /**
     * @param content
     * @return Status
     */
    public Status parseString(String content) {
        try {
            InputSource is = new InputSource();
            is.setCharacterStream(new StringReader(content));
            PARSER.parse(is, DOCHANDLER);
            return DOCHANDLER.getContents();
        } catch (SAXException e) {
            log.error("Failed to parse the String",e);
            // let bad input fail silently
            return DOCHANDLER.getContents();
        } catch (IOException e) { // Should never happen
            log.error("Failed to read the String",e);
            // let bad input fail silently
            return DOCHANDLER.getContents();
        }
    }

    /**
     * @param result
     * @return Status
     */
    public Status parseSampleResult(SampleResult result) {
        return parseBytes(result.getResponseData());
    }

}