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/*******************************************************************************
 * Copyright (c) 2006 Oracle Corporation.
 * 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:
 *    Cameron Bateman/Oracle - initial API and implementation
 *    
 ********************************************************************************/
package org.eclipse.jst.jsf.context.symbol.internal.impl;

import java.util.HashMap;

import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.InternalEObject;
import org.eclipse.emf.ecore.impl.ENotificationImpl;
import org.eclipse.jst.jsf.common.internal.types.TypeConstants;
import org.eclipse.jst.jsf.context.symbol.IBeanPropertySymbol;
import org.eclipse.jst.jsf.context.symbol.IBoundedListTypeDescriptor;
import org.eclipse.jst.jsf.context.symbol.IBoundedMapTypeDescriptor;
import org.eclipse.jst.jsf.context.symbol.IJavaTypeDescriptor2;
import org.eclipse.jst.jsf.context.symbol.ITypeDescriptor;
import org.eclipse.jst.jsf.context.symbol.SymbolFactory;
import org.eclipse.jst.jsf.context.symbol.SymbolPackage;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>IBean Property Symbol</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.eclipse.jst.jsf.context.symbol.internal.impl.IBeanPropertySymbolImpl#getOwner <em>Owner</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class IBeanPropertySymbolImpl extends IPropertySymbolImpl implements IBeanPropertySymbol {
    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    public static final String copyright = "Copyright 2006 Oracle";

    /**
     * The cached value of the '{@link #getOwner() <em>Owner</em>}' reference.
     * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
     * @see #getOwner()
     * @generated
     * @ordered
     */
	protected IJavaTypeDescriptor2 owner = null;

    /**
     * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
     * @generated
     */
	protected IBeanPropertySymbolImpl() {
        super();
    }

    /**
     * <!-- begin-user-doc -->
     * @return the static class 
	 * <!-- end-user-doc -->
     * @generated
     */
	protected EClass eStaticClass() {
        return SymbolPackage.Literals.IBEAN_PROPERTY_SYMBOL;
    }

    /**
     * <!-- begin-user-doc -->
     * @return the owner's type descriptor 
	 * <!-- end-user-doc -->
     * @generated
     */
	public IJavaTypeDescriptor2 getOwner() {
        if (owner != null && owner.eIsProxy()) {
            InternalEObject oldOwner = (InternalEObject)owner;
            owner = (IJavaTypeDescriptor2)eResolveProxy(oldOwner);
            if (owner != oldOwner) {
                if (eNotificationRequired())
                    eNotify(new ENotificationImpl(this, Notification.RESOLVE, SymbolPackage.IBEAN_PROPERTY_SYMBOL__OWNER, oldOwner, owner));
            }
        }
        return owner;
    }

    /**
     * <!-- begin-user-doc -->
	 * @return the java type descriptor for this instance
	 * <!-- end-user-doc -->
     * @generated
     */
	public IJavaTypeDescriptor2 basicGetOwner() {
        return owner;
    }

    /**
     * <!-- begin-user-doc -->
     * @param newOwner 
	 * <!-- end-user-doc -->
     * @generated
     */
	public void setOwner(IJavaTypeDescriptor2 newOwner) {
        IJavaTypeDescriptor2 oldOwner = owner;
        owner = newOwner;
        if (eNotificationRequired())
            eNotify(new ENotificationImpl(this, Notification.SET, SymbolPackage.IBEAN_PROPERTY_SYMBOL__OWNER, oldOwner, owner));
    }

    /**
     * <!-- begin-user-doc -->
     * @param featureID 
     * @param resolve 
     * @param coreType 
     * @return the value for the featureID 
	 * <!-- end-user-doc -->
     * @generated
     */
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
        switch (featureID) {
            case SymbolPackage.IBEAN_PROPERTY_SYMBOL__OWNER:
                if (resolve) return getOwner();
                return basicGetOwner();
        }
        return super.eGet(featureID, resolve, coreType);
    }

    /**
     * <!-- begin-user-doc -->
     * @param featureID 
     * @param newValue 
	 * <!-- end-user-doc -->
     * @generated
     */
	public void eSet(int featureID, Object newValue) {
        switch (featureID) {
            case SymbolPackage.IBEAN_PROPERTY_SYMBOL__OWNER:
                setOwner((IJavaTypeDescriptor2)newValue);
                return;
        }
        super.eSet(featureID, newValue);
    }

    /**
     * <!-- begin-user-doc -->
     * @param featureID 
	 * <!-- end-user-doc -->
     * @generated
     */
	public void eUnset(int featureID) {
        switch (featureID) {
            case SymbolPackage.IBEAN_PROPERTY_SYMBOL__OWNER:
                setOwner((IJavaTypeDescriptor2)null);
                return;
        }
        super.eUnset(featureID);
    }

    /**
     * <!-- begin-user-doc -->
     * @param featureID 
     * @return true if the feature is set 
	 * <!-- end-user-doc -->
     * @generated
     */
	public boolean eIsSet(int featureID) {
        switch (featureID) {
            case SymbolPackage.IBEAN_PROPERTY_SYMBOL__OWNER:
                return owner != null;
        }
        return super.eIsSet(featureID);
    }

	public String getDetailedDescription() 
	{
//		IType ownerType = getOwner().getType();
//		IMethod method =
//			ownerType.getMethod(getName(), new String[0]);
//		
//		if (method != null)
//		{
//			try
//			{
//                if (method.isBinary())
//                {
//                    return method.getAttachedJavadoc(new NullProgressMonitor());
//                }
//                else
//                {
//                    final ISourceRange sourceRange = method.getJavadocRange();
//                    if (sourceRange != null)
//                    {
//                        return method.getCompilationUnit().
//                    }
//                }
//			}
//			catch (JavaModelException jme)
//			{
//				// fall through, return empty
//			}
//		}
		
		return ""; //$NON-NLS-1$
	}

	public void setDetailedDescription(String detailedDescription) 
	{
		throw new UnsupportedOperationException("Detailed Description is derived on property symbols"); //$NON-NLS-1$
	}

    /**
     * @generated NOT
     */
    public ITypeDescriptor coerce(String typeSignature) 
    {
        if (supportsCoercion(typeSignature))
        {
            if (TypeConstants.TYPE_MAP.equals(typeSignature))
            {
                IBoundedMapTypeDescriptor mapDesc =  
                    SymbolFactory.eINSTANCE.createIBoundedMapTypeDescriptor();
                // bean maps are generally writable
                mapDesc.setImmutable(true);
                mapDesc.setMapSource(new HashMap());  // give it an empty map
                return mapDesc;
            }
            else if (TypeConstants.TYPE_LIST.equals(typeSignature))
            {
                IBoundedListTypeDescriptor listDesc =  
                    SymbolFactory.eINSTANCE.createIBoundedListTypeDescriptor();
                // bean maps are generally writable
                return listDesc;
            }
        }
        
        return null;

    }

    /**
     * @generated NOT
     */
    public boolean supportsCoercion(String typeSignature) {
        // first check that our type descriptor even thinks it is
        // an instanceof this type
        if (getTypeDescriptor().instanceOf(typeSignature))
        {
            // for java bean instances, we need to minimally support
            // Map, List and Array to conform to the basic spec
            // for JSF EL
            if (TypeConstants.TYPE_MAP.equals(typeSignature))
            {
                return true;
            }
            else if (TypeConstants.TYPE_LIST.equals(typeSignature))
            {
                return true;
            }
        }
        
        // otherwise, not supported
        return false;
    }
    
    
} //IBeanPropertySymbolImpl

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