JMeter example source code file (AssertionVisualizer.java)

This example JMeter source code file (AssertionVisualizer.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

assertionresult, assertionvisualizer, assertionvisualizer, awt, border, border, box, emptyborder, gui, jscrollpane, jtextarea, non-nls-1, non-nls-1, string, string, stringbuilder, stringbuilder, swing

The JMeter AssertionVisualizer.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.visualizers;

import java.awt.BorderLayout;
import java.awt.Dimension;

import javax.swing.Box;
import javax.swing.JLabel;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.border.Border;
import javax.swing.border.EmptyBorder;

import org.apache.jmeter.assertions.AssertionResult;
import org.apache.jmeter.samplers.Clearable;
import org.apache.jmeter.samplers.SampleResult;
import org.apache.jmeter.util.JMeterUtils;
import org.apache.jmeter.visualizers.gui.AbstractVisualizer;

public class AssertionVisualizer extends AbstractVisualizer implements Clearable {

    private static final long serialVersionUID = 240L;

    private JTextArea textArea;

    public AssertionVisualizer() {
        init();
        setName(getStaticLabel());
    }

    public String getLabelResource() {
        return "assertion_visualizer_title"; // $NON-NLS-1$
    }

    public void add(SampleResult sample) {
        StringBuilder sb = new StringBuilder(100);
        sb.append(sample.getSampleLabel());
        sb.append(getAssertionResult(sample));
        sb.append("\n"); // $NON-NLS-1$
        synchronized (textArea) {
            textArea.append(sb.toString());
        }
    }

    public void clearData() {
        textArea.setText(""); // $NON-NLS-1$
    }

    private String getAssertionResult(SampleResult res) {
        if (res != null) {
            StringBuilder display = new StringBuilder();
            AssertionResult assertionResults[] = res.getAssertionResults();
            for (int i = 0; i < assertionResults.length; i++) {
                AssertionResult item = assertionResults[i];

                if (item.isFailure() || item.isError()) {
                    display.append("\n\t"); // $NON-NLS-1$
                    display.append(item.getName() != null ? item.getName() + " : " : "");// $NON-NLS-1$
                    display.append(item.getFailureMessage());
                }
            }
            return display.toString();
        }
        return "";
    }

    private void init() {
        this.setLayout(new BorderLayout());

        // MAIN PANEL
        Border margin = new EmptyBorder(10, 10, 5, 10);

        this.setBorder(margin);

        // NAME
        this.add(makeTitlePanel(), BorderLayout.NORTH);

        // TEXTAREA LABEL
        JLabel textAreaLabel =
            new JLabel(JMeterUtils.getResString("assertion_textarea_label")); // $NON-NLS-1$
        Box mainPanel = Box.createVerticalBox();
        mainPanel.add(textAreaLabel);

        // TEXTAREA
        textArea = new JTextArea();
        textArea.setEditable(false);
        textArea.setLineWrap(false);
        JScrollPane areaScrollPane = new JScrollPane(textArea);

        areaScrollPane.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS);
        areaScrollPane.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);

        areaScrollPane.setPreferredSize(new Dimension(mainPanel.getWidth(),mainPanel.getHeight()));
        mainPanel.add(areaScrollPane);
        this.add(mainPanel, BorderLayout.CENTER);
    }
}