/*
* Copyright (c) 2008 Nanometrics Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package ca.nanometrics.gflot.client.util;
import com.google.gwt.core.client.JavaScriptObject;
import com.google.gwt.json.client.JSONArray;
import com.google.gwt.json.client.JSONBoolean;
import com.google.gwt.json.client.JSONNull;
import com.google.gwt.json.client.JSONNumber;
import com.google.gwt.json.client.JSONObject;
import com.google.gwt.json.client.JSONString;
import com.google.gwt.json.client.JSONValue;
/**
* Wraps a JSONArray and provides write methods that accept Java primitives. This class is meant to be extended by
* client classes
*
* @author AlexanderDeleon
*/
public class JSONArrayWrapper
extends JSONWrapper
{
private final JSONArray m_jsonArray;
private int m_currentIndex;
private static native void shiftJavaScriptArray( JavaScriptObject arrayObject )
/*-{
arrayObject.shift();
}-*/;
private static native void clearJavaScriptArray( JavaScriptObject arrayObject )
/*-{
arrayObject.length = 0;
}-*/;
protected JSONArrayWrapper()
{
m_jsonArray = new JSONArray();
m_currentIndex = -1;
}
protected JSONArrayWrapper( JSONArrayWrapper array )
{
this();
for ( int i = 0; i < array.size(); i++ )
{
set( i, array.get( i ) );
}
}
protected JSONArrayWrapper( JSONArray array )
{
m_jsonArray = array;
m_currentIndex = m_jsonArray.size() - 1;
}
protected void set( int index, String value )
{
JSONValue val = JSONNull.getInstance();
if ( value != null )
{
val = new JSONString( value );
}
set( index, val );
}
protected void push( String value )
{
JSONValue val = JSONNull.getInstance();
if ( value != null )
{
val = new JSONString( value );
}
set( ++m_currentIndex, val );
}
protected void pushAll( String[] values )
{
for ( int i = 0; i < values.length; i++ )
{
push( values[i] );
}
}
protected void set( int index, Number value )
{
JSONValue val = JSONNull.getInstance();
if ( value != null )
{
val = new JSONNumber( value.doubleValue() );
}
set( index, val );
}
protected void push( Number value )
{
JSONValue val = JSONNull.getInstance();
if ( value != null )
{
val = new JSONNumber( value.doubleValue() );
}
set( ++m_currentIndex, val );
}
protected void pushAll( Number[] values )
{
for ( int i = 0; i < values.length; i++ )
{
push( values[i] );
}
}
protected void set( int index, boolean value )
{
set( index, JSONBoolean.getInstance( value ) );
}
protected void push( boolean value )
{
set( ++m_currentIndex, JSONBoolean.getInstance( value ) );
}
protected void pushAll( boolean[] values )
{
for ( int i = 0; i < values.length; i++ )
{
push( values[i] );
}
}
protected void set( int index, JSONWrapper value )
{
JSONValue val = JSONNull.getInstance();
if ( value != null )
{
val = value.getWrappedObj();
}
set( index, val );
}
protected void push( JSONWrapper value )
{
JSONValue val = JSONNull.getInstance();
if ( value != null )
{
val = value.getWrappedObj();
}
set( ++m_currentIndex, val );
}
protected void pushAll( JSONWrapper[] values )
{
for ( int i = 0; i < values.length; i++ )
{
push( values[i] );
}
}
protected void set( int index, JSONValue value )
{
m_jsonArray.set( index, value );
if ( index > m_currentIndex )
{
m_currentIndex = index;
}
}
protected Double getDouble( int index )
{
JSONNumber num = getNumber( index );
return num == null ? null : new Double( num.doubleValue() );
}
protected Integer getInteger( int index )
{
JSONNumber num = getNumber( index );
return num == null ? null : new Integer( (int) num.doubleValue() );
}
protected String getString( int index )
{
JSONValue value = get( index );
if ( value == null )
{
return null;
}
JSONString str = value.isString();
return str == null ? null : str.stringValue();
}
protected JSONNumber getNumber( int index )
{
JSONValue val = get( index );
if ( val == null )
{
return null;
}
return val.isNumber();
}
protected JSONArray getArray( int index )
{
JSONValue value = get( index );
if ( value == null )
{
return null;
}
return value.isArray();
}
protected JSONObject getObject( int index )
{
JSONValue value = get( index );
if ( value == null )
{
return null;
}
return value.isObject();
}
protected JSONValue get( int index )
{
return m_jsonArray.get( index );
}
protected int size()
{
return m_jsonArray.size();
}
protected JSONValue getWrappedObj()
{
return m_jsonArray;
}
protected void shift()
{
shiftJavaScriptArray( m_jsonArray.getJavaScriptObject() );
m_currentIndex = m_jsonArray.size() - 1;
}
protected void clear()
{
clearJavaScriptArray( m_jsonArray.getJavaScriptObject() );
m_currentIndex = -1;
}
protected JSONArrayWrapper _slice( int start, int end )
{
JSONArrayWrapper newArray = new JSONArrayWrapper();
int i = 0;
for ( int j = start; j <= end; j++ )
{
newArray.set( i++, get( j ) );
}
return newArray;
}
protected JSONArrayWrapper _slice( int start )
{
return _slice( start, size() - 1 );
}
public String toString()
{
return m_jsonArray.toString();
}
@Override
public boolean equals( Object obj )
{
if ( obj == this )
{
return true;
}
if ( obj instanceof JSONArrayWrapper )
{
return m_jsonArray.equals( ( (JSONArrayWrapper) obj ).m_jsonArray );
}
return false;
}
@Override
public int hashCode()
{
return m_jsonArray.hashCode();
}
}