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/*******************************************************************************
* Copyright (c) 2001, 2007 Oracle Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Oracle Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jst.jsf.context.symbol.internal.util;
import org.eclipse.jst.jsf.common.internal.types.IAssignable;
import org.eclipse.jst.jsf.common.internal.types.ValueType;
import org.eclipse.jst.jsf.context.symbol.IInstanceSymbol;
import org.eclipse.jst.jsf.context.symbol.IObjectSymbol;
import org.eclipse.jst.jsf.context.symbol.IPropertySymbol;
import org.eclipse.jst.jsf.context.symbol.ISymbol;
/**
* A value type adapter class for IObjectSymbol's
*
* @author cbateman
*
*/
public class IObjectSymbolBasedValueType extends ValueType
{
private final IObjectSymbol _symbol;
/**
* @param symbol
* @return a properly configured instance based on the sub-type of symbol.
* Returns null if symbol is not of an appropriate IObjectSymbol type
*/
public static IObjectSymbolBasedValueType getInstance(ISymbol symbol)
{
if (symbol instanceof IInstanceSymbol)
{
if (((IInstanceSymbol)symbol).getTypeDescriptor() != null)
{
return new IObjectSymbolBasedValueType((IInstanceSymbol) symbol);
}
}
else if (symbol instanceof IPropertySymbol)
{
if (((IPropertySymbol)symbol).getTypeDescriptor() != null)
{
return new IObjectSymbolBasedValueType((IPropertySymbol) symbol);
}
}
return null;
}
/**
* Constructor for instance symbols (model objects)
* @param symbol
*/
public IObjectSymbolBasedValueType(final IInstanceSymbol symbol)
{
this(symbol.getTypeDescriptor().getTypeSignature(),
(String[])symbol.getTypeDescriptor().getTypeParameterSignatures().toArray(EMPTY_STRING_ARRAY),
(String[])symbol.getTypeDescriptor().getSuperTypeSignatures().toArray(EMPTY_STRING_ARRAY),
(String[])symbol.getTypeDescriptor().getInterfaceTypeSignatures().toArray(EMPTY_STRING_ARRAY),
symbol.getTypeDescriptor().isEnumType(),
IAssignable.ASSIGNMENT_TYPE_RHS /* variables are not assignable */
, symbol);
}
/**
* Constructor for property symbols
*
* @param symbol
*/
public IObjectSymbolBasedValueType(final IPropertySymbol symbol)
{
this(symbol.getTypeDescriptor().getTypeSignature(),
(String[])symbol.getTypeDescriptor().getTypeParameterSignatures().toArray(EMPTY_STRING_ARRAY),
(String[])symbol.getTypeDescriptor().getSuperTypeSignatures().toArray(EMPTY_STRING_ARRAY),
(String[])symbol.getTypeDescriptor().getInterfaceTypeSignatures().toArray(EMPTY_STRING_ARRAY),
symbol.getTypeDescriptor().isEnumType(),
ASSIGNMENT_TYPE_NONE | (symbol.isReadable()?IAssignable.ASSIGNMENT_TYPE_RHS:ASSIGNMENT_TYPE_NONE)|(symbol.isWritable()?IAssignable.ASSIGNMENT_TYPE_LHS:ASSIGNMENT_TYPE_NONE)
, symbol);
}
private IObjectSymbolBasedValueType(final String signature,
final String[] typeArgs,
final String[] superTypes,
final String[] interfaceTypes,
final boolean isEnumType,
final int assignmentMask,
final IObjectSymbol symbol)
{
super(signature, typeArgs, superTypes, interfaceTypes, isEnumType, assignmentMask);
_symbol = symbol;
}
/**
* @return the underlying IObjectSymbol
*/
public IObjectSymbol getSymbol()
{
return _symbol;
}
}
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