// Transmogrify License
//
// Copyright (c) 2001, ThoughtWorks, Inc.
// All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// - Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// - Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// Neither the name of the ThoughtWorks, Inc. nor the names of its
// contributors may be used to endorse or promote products derived from this
// software without specific prior written permission.
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
// TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
// OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
package com.puppycrawl.tools.checkstyle.checks.usage.transmogrify;
import java.util.Enumeration;
import java.util.Iterator;
public class DefinitionTraverser {
protected SymbolTable _symbolTable;
public DefinitionTraverser( SymbolTable symbolTable ) {
_symbolTable = symbolTable;
}
public void traverse() {
Enumeration packages = _symbolTable.getPackages().elements();
while ( packages.hasMoreElements() ) {
traverse( (PackageDef)(packages.nextElement()) );
}
}
private void traverse( Definition def ) {
if ( def instanceof PackageDef ) {
traverse( (PackageDef)def );
}
else if (def instanceof AnonymousInnerClass) {
traverse((AnonymousInnerClass)def);
}
else if ( def instanceof ClassDef ) {
traverse( (ClassDef)def );
}
else if (def instanceof DefaultConstructor) {
traverse((DefaultConstructor)def);
}
else if ( def instanceof MethodDef ) {
traverse( (MethodDef)def );
}
else if ( def instanceof BlockDef ) {
traverse( (BlockDef)def );
}
else if ( def instanceof VariableDef ) {
traverse( (VariableDef)def );
}
else if ( def instanceof LabelDef ) {
traverse( (LabelDef)def );
}
}
private void traverse(PackageDef pkg) {
handlePackage(pkg);
traversePackage(pkg);
}
private void traverse(AnonymousInnerClass innerClass) {
handleAnonymousInnerClass(innerClass);
traverseChildren(innerClass);
}
private void traverse( ClassDef classDef ) {
handleClass( classDef );
traverseChildren( classDef );
}
private void traverse(DefaultConstructor constructor) {
handleDefaultConstructor(constructor);
}
private void traverse( MethodDef method ) {
handleMethod( method );
traverseChildren( method );
}
private void traverse( BlockDef block ) {
handleBlock( block );
traverseChildren( block );
}
private void traverse( VariableDef variable ) {
handleVariable( variable );
}
private void traverse( LabelDef label ) {
handleLabel( label );
}
private void traversePackage(PackageDef pkg) {
Iterator definitions = pkg.getClasses();
while (definitions.hasNext()) {
ClassDef classDef = (ClassDef)definitions.next();
traverse(classDef);
}
}
private void traverseChildren(Scope scope) {
Enumeration definitions = scope.getDefinitions();
while ( definitions.hasMoreElements() ) {
Definition def = (Definition)(definitions.nextElement());
traverse(def);
}
}
protected void handlePackage( PackageDef pkg ) {}
protected void handleAnonymousInnerClass(AnonymousInnerClass innerClass) {}
protected void handleClass( ClassDef classDef ) {}
protected void handleDefaultConstructor(DefaultConstructor constructor) {}
protected void handleMethod( MethodDef method ) {}
protected void handleBlock( BlockDef block ) {}
protected void handleVariable( VariableDef variable ) {}
protected void handleLabel( LabelDef label ) {}
}