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/*
* Copyright (c) 2004, 2007, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
import com.sun.mirror.apt.*;
import com.sun.mirror.declaration.*;
import com.sun.mirror.type.*;
import com.sun.mirror.util.*;
import java.util.Collection;
import java.util.Set;
import java.util.Map;
import java.util.Arrays;
import java.util.Collections;
public class Scanner implements AnnotationProcessorFactory {
static class ScannerProc implements AnnotationProcessor {
AnnotationProcessorEnvironment env;
ScannerProc(AnnotationProcessorEnvironment env) {
this.env = env;
}
static class CountingVisitor extends SimpleDeclarationVisitor {
int count;
CountingVisitor() {
count = 0;
}
public void visitDeclaration(Declaration d) {
count++;
Collection<AnnotationMirror> ams = d.getAnnotationMirrors();
if (ams == null)
throw new RuntimeException("Declaration " + d +
" not annotated with visit order.");
else {
if (ams.size() != 1)
throw new RuntimeException("Declaration " + d +
" has wrong number of declarations.");
else {
for(AnnotationMirror am: ams) {
Map<AnnotationTypeElementDeclaration,AnnotationValue> elementValues = am.getElementValues();
for(AnnotationTypeElementDeclaration atmd: elementValues.keySet()) {
if (!atmd.getDeclaringType().toString().equals("VisitOrder"))
throw new RuntimeException("Annotation " + atmd +
" is the wrong type.");
else {
AnnotationValue av =
elementValues.get(atmd);
Integer value = (Integer) av.getValue();
if (value.intValue() != count)
throw new RuntimeException("Expected declaration " + d +
" to be in position " + count +
" instead of " + value.intValue());
System.out.println("Declaration " + d +
": visit order " + value.intValue());
}
}
}
}
}
}
}
public void process() {
for(TypeDeclaration td: env.getSpecifiedTypeDeclarations() ) {
td.accept(DeclarationVisitors.getSourceOrderDeclarationScanner(new CountingVisitor(),
DeclarationVisitors.NO_OP));
}
}
}
static Collection<String> supportedTypes;
static {
String types[] = {"*"};
supportedTypes = Collections.unmodifiableCollection(Arrays.asList(types));
}
static Collection<String> supportedOptions;
static {
String options[] = {""};
supportedOptions = Collections.unmodifiableCollection(Arrays.asList(options));
}
public Collection<String> supportedOptions() {
return supportedOptions;
}
public Collection<String> supportedAnnotationTypes() {
return supportedTypes;
}
public AnnotationProcessor getProcessorFor(Set<AnnotationTypeDeclaration> atds,
AnnotationProcessorEnvironment env) {
return new ScannerProc(env);
}
}
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