jdk-24/langtools/test/tools/apt/Scanners/Counter.java
2007-12-01 00:00:00 +00:00

109 lines
3.6 KiB
Java

/*
* Copyright 2004-2007 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.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.Arrays;
import static java.util.Collections.*;
import static com.sun.mirror.util.DeclarationVisitors.*;
/*
* Used to verify counts from different kinds of declaration scanners.
*/
public class Counter implements AnnotationProcessorFactory {
static class CounterProc implements AnnotationProcessor {
static class CountingVisitor extends SimpleDeclarationVisitor {
int count;
int count() {
return count;
}
CountingVisitor() {
count = 0;
}
public void visitDeclaration(Declaration d) {
count++;
System.out.println(d.getSimpleName());
}
}
AnnotationProcessorEnvironment env;
CounterProc(AnnotationProcessorEnvironment env) {
this.env = env;
}
public void process() {
for(TypeDeclaration td: env.getSpecifiedTypeDeclarations() ) {
CountingVisitor sourceOrder = new CountingVisitor();
CountingVisitor someOrder = new CountingVisitor();
System.out.println("Source Order Scanner");
td.accept(getSourceOrderDeclarationScanner(sourceOrder,
NO_OP));
System.out.println("\nSome Order Scanner");
td.accept(getDeclarationScanner(someOrder,
NO_OP));
if (sourceOrder.count() != someOrder.count() )
throw new RuntimeException("Counts from different scanners don't agree");
}
}
}
static Collection<String> supportedTypes;
static {
String types[] = {"*"};
supportedTypes = unmodifiableCollection(Arrays.asList(types));
}
static Collection<String> supportedOptions;
static {
String options[] = {""};
supportedOptions = 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 CounterProc(env);
}
}