org.cometd.common.AbstractTransport Maven / Gradle / Ivy

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package org.cometd.common;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;

import org.cometd.bayeux.Transport;

public class AbstractTransport implements Transport
{
    private final String _name;
    protected Map _options;
    protected final List _prefix=new ArrayList();
    
    protected AbstractTransport(String name, Map options)
    {
        _name=name;
        _options=options==null?new HashMap():options;
    }

    public String getName()
    {
        return _name;
    }

    public Object getOption(String name)
    {
        Object value = _options.get(name);
        
        String prefix=null;
        for (String segment:_prefix)
        {
            prefix = prefix==null?segment:(prefix+"."+segment);
            String key=prefix+"."+name;
            if (_options.containsKey(key))
                value=_options.get(key);
        }
        return value;
    }

    public void setOption(String name, Object value)
    {
        String prefix=getOptionPrefix();
        _options.put(prefix==null?name:(prefix+"."+name),value);
    }
    
    public String getOptionPrefix()
    {
        String prefix=null;
        for (String segment:_prefix)
            prefix = prefix==null?segment:(prefix+"."+segment);
        return prefix;
    }
    
    public Set getOptionNames()
    {
        Set names = new HashSet();
        return names;
    }


    public String getOption(String option, String dftValue)
    {
        Object value = getOption(option);
        return (value==null)?dftValue:value.toString();
    }
    
    public long getOption(String option, long dftValue)
    {
        Object value = getOption(option);
        if (value==null)
            return -1;
        if (value instanceof Number)
            return ((Number)value).longValue();
        return Long.parseLong(value.toString());
    }
    
    public int getOption(String option, int dftValue)
    {
        Object value = getOption(option);
        if (value==null)
            return -1;
        if (value instanceof Number)
            return ((Number)value).intValue();
        return Integer.parseInt(value.toString());
    }
    
    public boolean getOption(String option, boolean dftValue)
    {
        Object value = getOption(option);
        if (value==null)
            return false;
        if (value instanceof Boolean)
            return ((Boolean)value).booleanValue();
        return Boolean.parseBoolean(value.toString());
    }
}