| /******************************************************************************* |
| * Copyright (c) 2005 BEA Systems, Inc. |
| * 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: |
| * tyeung@bea.com - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.jdt.apt.core.internal.declaration; |
| |
| import com.sun.mirror.declaration.AnnotationMirror; |
| import com.sun.mirror.declaration.Modifier; |
| import com.sun.mirror.declaration.ParameterDeclaration; |
| import com.sun.mirror.type.TypeMirror; |
| import com.sun.mirror.util.DeclarationVisitor; |
| import com.sun.mirror.util.SourcePosition; |
| |
| import java.lang.annotation.Annotation; |
| import java.util.Collection; |
| import java.util.Collections; |
| |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.jdt.apt.core.internal.env.BaseProcessorEnv; |
| import org.eclipse.jdt.apt.core.internal.util.Factory; |
| import org.eclipse.jdt.core.dom.ASTNode; |
| import org.eclipse.jdt.core.dom.IBinding; |
| import org.eclipse.jdt.core.dom.IMethodBinding; |
| import org.eclipse.jdt.core.dom.IAnnotationBinding; |
| import org.eclipse.jdt.core.dom.ITypeBinding; |
| import org.eclipse.jdt.core.dom.SimpleName; |
| import org.eclipse.jdt.core.dom.SingleVariableDeclaration; |
| |
| /** |
| * Represents a formal parameter that came from binary. |
| */ |
| public class BinaryParameterDeclarationImpl extends DeclarationImpl implements ParameterDeclaration |
| { |
| static final String ARG = "arg"; //$NON-NLS-1$ |
| private final ITypeBinding _type; |
| private final ExecutableDeclarationImpl _executable; |
| private final int _paramIndex; |
| /** |
| * Parameter declaration from binary |
| */ |
| public BinaryParameterDeclarationImpl(ExecutableDeclarationImpl executable, |
| ITypeBinding typeBinding, |
| int index, |
| BaseProcessorEnv env) |
| { |
| super(typeBinding, env); |
| assert( typeBinding != null ) : "missing type binding"; //$NON-NLS-1$ |
| assert( index >= 0 ) : "invalid index " + index; //$NON-NLS-1$ |
| assert executable != null : "missing executable"; //$NON-NLS-1$ |
| _type = typeBinding; |
| _paramIndex = index; |
| _executable = executable; |
| } |
| |
| public void accept(DeclarationVisitor visitor) |
| { |
| super.accept(visitor); |
| visitor.visitParameterDeclaration(this); |
| } |
| |
| public Collection<Modifier> getModifiers() |
| { |
| // TODO |
| // we don't store this information. so simply return nothing for now. |
| return Collections.emptyList(); |
| } |
| |
| public String getDocComment() |
| { |
| return null; |
| } |
| |
| public String getSimpleName() |
| { |
| final SingleVariableDeclaration decl = (SingleVariableDeclaration)getAstNode(); |
| if( decl == null ) return ARG + _paramIndex; |
| final SimpleName name = decl.getName(); |
| return name == null ? ARG : name.toString(); |
| } |
| |
| public SourcePosition getPosition() |
| { |
| return null; |
| } |
| |
| public TypeMirror getType() |
| { |
| final TypeMirror mirrorType = Factory.createTypeMirror(getTypeBinding(), _env); |
| if( mirrorType == null ) |
| return Factory.createErrorClassType(getTypeBinding()); |
| return mirrorType; |
| } |
| |
| public <A extends Annotation> A getAnnotation(Class<A> annotationClass) |
| { |
| final IMethodBinding methodBinding = _executable.getDeclarationBinding(); |
| final IAnnotationBinding[] paramAnnos = methodBinding.getParameterAnnotations(_paramIndex); |
| return _getAnnotation(annotationClass, paramAnnos); |
| } |
| |
| public Collection<AnnotationMirror> getAnnotationMirrors() |
| { |
| final IMethodBinding methodBinding = _executable.getDeclarationBinding(); |
| final IAnnotationBinding[] paramAnnos = methodBinding.getParameterAnnotations(_paramIndex); |
| return _getAnnotationMirrors(paramAnnos); |
| } |
| |
| public boolean isBindingBased(){ return true; } |
| |
| public boolean isFromSource(){ return false; } |
| |
| ASTNode getAstNode(){ return null; } |
| |
| public IFile getResource(){ return null; } |
| |
| private ITypeBinding getTypeBinding(){ return _type; } |
| |
| public MirrorKind kind(){ return MirrorKind.FORMAL_PARAMETER; } |
| |
| public IBinding getDeclarationBinding(){ |
| throw new UnsupportedOperationException("should never be invoked on a BinaryParameterDeclaration"); //$NON-NLS-1$ |
| } |
| |
| public boolean equals(Object obj){ |
| if( obj instanceof BinaryParameterDeclarationImpl ){ |
| final BinaryParameterDeclarationImpl otherParam = (BinaryParameterDeclarationImpl)obj; |
| return otherParam._paramIndex == _paramIndex && |
| otherParam._executable.getDeclarationBinding().isEqualTo(_executable.getDeclarationBinding()) ; |
| } |
| return false; |
| } |
| |
| public int hashCode(){ |
| final String methodKey = _executable.getDeclarationBinding().getKey(); |
| int hashcode = 0; |
| if( methodKey != null ) |
| hashcode = methodKey.hashCode(); |
| return hashcode + _paramIndex; |
| } |
| |
| public String toString(){ |
| final StringBuilder builder = new StringBuilder(); |
| builder.append(getTypeBinding().getName()); |
| builder.append(' '); |
| builder.append(getSimpleName()); |
| return builder.toString(); |
| } |
| } |