| /******************************************************************************* |
| * Copyright (c) 2008, 2009 IBM 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: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.pde.api.tools.internal.model; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.jdt.core.Flags; |
| import org.eclipse.pde.api.tools.internal.provisional.descriptors.IFieldDescriptor; |
| import org.eclipse.pde.api.tools.internal.provisional.descriptors.IMemberDescriptor; |
| import org.eclipse.pde.api.tools.internal.provisional.descriptors.IReferenceTypeDescriptor; |
| import org.eclipse.pde.api.tools.internal.provisional.model.IApiElement; |
| import org.eclipse.pde.api.tools.internal.provisional.model.IApiField; |
| import org.eclipse.pde.api.tools.internal.provisional.model.IApiType; |
| import org.eclipse.pde.api.tools.internal.util.Util; |
| |
| /** |
| * Base implementation of {@link IApiField} |
| * |
| * @since 1.0.0 |
| * @noextend This class is not intended to be subclassed by clients. |
| * @noinstantiate This class is not intended to be instantiated by clients. |
| */ |
| public class ApiField extends ApiMember implements IApiField { |
| |
| /** |
| * Constant value |
| */ |
| private Object fValue; |
| |
| private IFieldDescriptor fHandle; |
| |
| /** |
| * Constructor |
| * |
| * @param parent the enclosing type of the field |
| * @param name the name of the field |
| * @param signature the signature for the field |
| * @param genericSig the generic signature of the field |
| * @param flags the flags for the field |
| * @param value the value assigned to the field |
| * @param value constant value or <code>null</code> if none |
| */ |
| protected ApiField(IApiType enclosing, String name, String signature, String genericSig, int flags, Object value) { |
| super(enclosing, name, signature, genericSig, IApiElement.FIELD, flags); |
| fValue = value; |
| } |
| |
| /** |
| * @see org.eclipse.pde.api.tools.internal.provisional.model.IApiField#isEnumConstant() |
| */ |
| @Override |
| public boolean isEnumConstant() { |
| return (Flags.isEnum(getModifiers())); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (obj instanceof IApiField) { |
| return super.equals(obj); |
| } |
| return false; |
| } |
| |
| @Override |
| public int hashCode() { |
| return super.hashCode() + (this.fValue != null ? this.fValue.hashCode() : 0); |
| } |
| |
| @Override |
| public Object getConstantValue() { |
| return fValue; |
| } |
| |
| @Override |
| public String toString() { |
| StringBuilder buffer = new StringBuilder(); |
| buffer.append("Field : access(") //$NON-NLS-1$ |
| .append(getModifiers()).append(") ") //$NON-NLS-1$ |
| .append(getSignature()).append(' ').append(getName()).append(" isEnum constant ") //$NON-NLS-1$ |
| .append(isEnumConstant()); |
| if (getConstantValue() != null) { |
| buffer.append(" = ").append(getConstantValue()); //$NON-NLS-1$ |
| } |
| buffer.append(';').append(Util.LINE_DELIMITER); |
| if (getGenericSignature() != null) { |
| buffer.append(" Signature : ") //$NON-NLS-1$ |
| .append(getGenericSignature()).append(Util.LINE_DELIMITER); |
| } |
| return String.valueOf(buffer); |
| } |
| |
| @Override |
| public IMemberDescriptor getHandle() { |
| if (fHandle == null) { |
| try { |
| IApiType type = getEnclosingType(); |
| fHandle = ((IReferenceTypeDescriptor) type.getHandle()).getField(getName()); |
| } catch (CoreException e) { |
| // should not happen for field or method - enclosing type is |
| // cached |
| } |
| } |
| return fHandle; |
| } |
| } |