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The source code

// $Header: /home/cvs/jakarta-jmeter/src/core/org/apache/jmeter/testelement/property/MapProperty.java,v 1.14 2004/02/13 02:40:53 sebb Exp $
/*
 * Copyright 2003-2004 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.testelement.property;

import java.util.Map;

import org.apache.jmeter.testelement.TestElement;

/**
 * @version $Revision: 1.14 $
 */
public class MapProperty extends MultiProperty
{
    Map value;
    Map savedValue = null;

    public MapProperty(String name, Map value)
    {
        super(name);
        log.info("map = " + value);
        this.value = normalizeMap(value);
        log.info("normalized map = " + this.value);
    }

    public MapProperty()
    {
        super();
    }

    public boolean equals(Object o)
    {
        if (o instanceof MapProperty)
        {
            if (value != null)
            {
                return value.equals(((JMeterProperty) o).getObjectValue());
            }
        }
        return false;
    }

    public void setObjectValue(Object v)
    {
        if (v instanceof Map)
        {
            setMap((Map) v);
        }
    }

    public void addProperty(JMeterProperty prop)
    {
        addProperty(prop.getName(), prop);
    }

    public JMeterProperty get(String key)
    {
        return (JMeterProperty) value.get(key);
    }

    /**
     * Figures out what kind of properties this collection is holding and
     * returns the class type.
     * @see AbstractProperty#getPropertyType()
     */
    protected Class getPropertyType()
    {
        if (value.size() > 0)
        {
            return valueIterator().next().getClass();
        }
        else
        {
            return NullProperty.class;
        }
    }

    /**
     * @see JMeterProperty#getStringValue()
     */
    public String getStringValue()
    {
        return value.toString();
    }

    /**
     * @see JMeterProperty#getObjectValue()
     */
    public Object getObjectValue()
    {
        return value;
    }

    /**
     * @see java.lang.Object#clone()
     */
    public Object clone()
    {
        MapProperty prop = (MapProperty) super.clone();
        prop.value = cloneMap();
        return prop;
    }

    private Map cloneMap()
    {
        try
        {
            Map newCol = (Map) value.getClass().newInstance();
            PropertyIterator iter = valueIterator();
            while (iter.hasNext())
            {
                JMeterProperty item = iter.next();
                newCol.put(item.getName(), item.clone());
            }
            return newCol;
        }
        catch (Exception e)
        {
            log.error("Couldn't clone map", e);
            return value;
        }
    }

    public PropertyIterator valueIterator()
    {
        return getIterator(value.values());
    }

    public void addProperty(String name, JMeterProperty prop)
    {
        if (!value.containsKey(name))
        {
            value.put(name, prop);
        }
    }

    public void setMap(Map newMap)
    {
        value = normalizeMap(newMap);
    }

    /**
     * @see JMeterProperty#recoverRunningVersion(TestElement)
     */
    public void recoverRunningVersion(TestElement owner)
    {
        if (savedValue != null)
        {
            value = savedValue;
        }
        recoverRunningVersionOfSubElements(owner);
    }

    public void clear()
    {
        value.clear();
    }

    /* (non-Javadoc)
     * @see MultiProperty#iterator()
     */
    public PropertyIterator iterator()
    {
        return valueIterator();
    }

    /* (non-Javadoc)
     * @see JMeterProperty#setRunningVersion(boolean)
     */
    public void setRunningVersion(boolean running)
    {
        super.setRunningVersion(running);
        if (running)
        {
            savedValue = value;
        }
        else
        {
            savedValue = null;
        }
    }
}
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