com.rathravane.till.data.json.JsonObjectMap Maven / Gradle / Ivy

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A small collection of classes used in various Rathravane systems.

There is a newer version: 2.1.1

package com.rathravane.till.data.json;

import java.util.Collection;
import java.util.Map;
import java.util.Set;
import java.util.TreeSet;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

public class JsonObjectMap implements Map
{
	public JsonObjectMap ( JSONObject o )
	{
		fObject = o;
	}
	
	@Override
	public int size ()
	{
		return fObject.length ();
	}

	@Override
	public boolean isEmpty ()
	{
		return size() == 0;
	}

	@Override
	public boolean containsKey ( Object key )
	{
		return fObject.has ( key.toString () );
	}

	@Override
	public boolean containsValue ( Object value )
	{
		return values().contains ( value );
	}

	@Override
	public String get ( Object key )
	{
		return fObject.optString ( key.toString () );
	}

	@Override
	public String put ( String key, String value )
	{
		final String was = fObject.optString ( key );
		fObject.put ( key, value );
		return was;
	}

	@Override
	public String remove ( Object key )
	{
		final String was = fObject.optString ( key.toString () );
		fObject.remove ( key.toString () );
		return was;
	}

	@Override
	public void putAll ( Map m )
	{
		for ( Map.Entry e : m.entrySet () )
		{
			put ( e.getKey(), e.getValue () );
		}
	}

	@Override
	public void clear ()
	{
		for ( Object key : fObject.keySet () )
		{
			fObject.remove ( key.toString () );
		}
	}

	@Override
	public Set keySet ()
	{
		final TreeSet set = new TreeSet ();
		for ( Map.Entry e : entrySet () )
		{
			set.add ( e.getKey () );
		}
		return set;
	}

	@Override
	public Collection values ()
	{
		final TreeSet set = new TreeSet ();
		for ( Map.Entry e : entrySet () )
		{
			set.add ( e.getValue () );
		}
		return set;
	}

	@Override
	public Set> entrySet ()
	{
		final TreeSet> result = new TreeSet> ();
		try
		{
			final JSONArray names = fObject.names ();
			for ( int i=0; i 
	{
		private final String fK, fV;

		public entry ( String k, String v )
		{
			fK = k; fV = v;
		}

		@Override
		public String getKey ()
		{
			return fK;
		}

		@Override
		public String getValue ()
		{
			return fV;
		}

		@Override
		public String setValue ( String value )
		{
			return null;
		}
		
	};
}