JMeter example source code file (HashTreeConverter.java)

This example JMeter source code file (HashTreeConverter.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

abstractcollectionconverter, hashtree, hashtree, hashtreeconverter, hashtreeconverter, hierarchicalstreamwriter, marshallingcontext, object, object, override, override, revision, string, unmarshallingcontext, util

The JMeter HashTreeConverter.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.save.converters;

import java.util.Iterator;

import org.apache.jorphan.collections.HashTree;

import com.thoughtworks.xstream.mapper.Mapper;
import com.thoughtworks.xstream.converters.MarshallingContext;
import com.thoughtworks.xstream.converters.UnmarshallingContext;
import com.thoughtworks.xstream.converters.collections.AbstractCollectionConverter;
import com.thoughtworks.xstream.io.HierarchicalStreamReader;
import com.thoughtworks.xstream.io.HierarchicalStreamWriter;

public class HashTreeConverter extends AbstractCollectionConverter {

    /**
     * Returns the converter version; used to check for possible
     * incompatibilities
     */
    public static String getVersion() {
        return "$Revision: 959055 $";  //$NON-NLS-1$
    }

    /** {@inheritDoc} */
    @Override
    public boolean canConvert(@SuppressWarnings("rawtypes") Class arg0) { // superclass does not use types
        return HashTree.class.isAssignableFrom(arg0);
    }

    /** {@inheritDoc} */
    @Override
    public void marshal(Object arg0, HierarchicalStreamWriter writer, MarshallingContext context) {
        HashTree tree = (HashTree) arg0;
        Iterator<?> iter = tree.list().iterator();
        while (iter.hasNext()) {
            Object item = iter.next();
            writeItem(item, context, writer);
            writeItem(tree.getTree(item), context, writer);
        }

    }

    /** {@inheritDoc} */
    @Override
    public Object unmarshal(HierarchicalStreamReader reader, UnmarshallingContext context) {
        boolean isKey = true;
        Object current = null;
        HashTree tree = (HashTree) createCollection(context.getRequiredType());
        while (reader.hasMoreChildren()) {
            reader.moveDown();
            Object item = readItem(reader, context, tree);
            if (isKey) {
                tree.add(item);
                current = item;
                isKey = false;
            } else {
                tree.set(current, (HashTree) item);
                isKey = true;
            }
            reader.moveUp();
        }
        return tree;
    }

    public HashTreeConverter(Mapper arg0) {
        super(arg0);
    }
}