Ant example source code file (DistributedAnnotationProcessor.java)

This example Ant source code file (DistributedAnnotationProcessor.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Ant tags/keywords

annotationprocessor, annotationprocessorenvironment, annotationprocessorenvironment, classvisitor, classvisitor, distributedannotationprocessor, distributedannotationprocessor, distributedannotationprocessor-is-go, map, no_op, option, simpledeclarationvisitor, string, typedeclaration, util

The DistributedAnnotationProcessor.java source code

/*
 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You under the Apache License, Version 2.0
 *  (the "License"); you may not use this file except in compliance with
 *  the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 */

//found in tools.jar, not the JRE runtime.
import com.sun.mirror.apt.AnnotationProcessor;
import com.sun.mirror.apt.AnnotationProcessorEnvironment;
import com.sun.mirror.declaration.TypeDeclaration;
import com.sun.mirror.declaration.ClassDeclaration;
import com.sun.mirror.util.SimpleDeclarationVisitor;
import static com.sun.mirror.util.DeclarationVisitors.*;

import java.util.Map;

/**
 * Annotation processor outputs stuff
 */

public class DistributedAnnotationProcessor implements AnnotationProcessor {

    public AnnotationProcessorEnvironment env;

    public DistributedAnnotationProcessor(AnnotationProcessorEnvironment env) {
        this.env = env;
    }

    public void echo(String text) {
        env.getMessager().printNotice(text);
    }

    public void process() {
        echo("DistributedAnnotationProcessor-is-go");

        Map<String, String> options=env.getOptions();
        for(String key:options.keySet()) {
            echo("Option ["+key+"] = "+options.get(key));
        }

        //work time
        for (TypeDeclaration typeDecl : env.getSpecifiedTypeDeclarations()) {
            typeDecl.accept(getDeclarationScanner(new ClassVisitor(),
                    NO_OP));
        }
    }

    private class ClassVisitor extends SimpleDeclarationVisitor {
        public void visitClassDeclaration(ClassDeclaration d) {
            echo("visiting "+ d.getQualifiedName());
        }
    }
}