// $Header: /home/cvs/jakarta-jmeter/src/components/org/apache/jmeter/visualizers/AssertionVisualizer.java,v 1.16 2004/03/05 01:33:33 sebb Exp $
/*
 * Copyright 2001-2004 The Apache Software Foundation.
 *
 * Licensed 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 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;


/**
 * 
 * @version   $Revision: 1.16 $ on $Date: 2004/03/05 01:33:33 $
 */
public class AssertionVisualizer extends AbstractVisualizer implements Clearable
{

    private JTextArea textArea;

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

    public String getLabelResource()
    {
        return "assertion_visualizer_title";
    }

    public void add(SampleResult sample)
    {
    	StringBuffer sb = new StringBuffer(100);
    	String sd= sample.getSamplerData();
        if(null != sd)
        {
            sb.append(sd);
        }
        else
        {
            sb.append(sample.getSampleLabel());
        }
        sb.append(getAssertionResult(sample));
        sb.append("\n");
        synchronized(textArea){
        	textArea.append(sb.toString());
        }
    }

    public void clear()
    {
        textArea.setText("");
    }

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

                    if (item.isFailure() || item.isError())
                    {
                        display.append("\n\t\t");
                        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"));
        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);

        mainPanel.add(areaScrollPane);
        mainPanel.add(Box.createVerticalGlue());
        this.add(mainPanel, BorderLayout.CENTER);
    }
}