com.devexperts.usages.PublicApiAnalyzer.java Source code

Introduction

Here is the source code for com.devexperts.usages.PublicApiAnalyzer.java

Source

/*
 * usages - Usages Analysis Tool
 * Copyright (C) 2002-2014  Devexperts LLC
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.devexperts.usages;

import org.objectweb.asm.*;

class PublicApiAnalyzer extends ClassVisitor {
    private final PublicApi api;
    private final String className;

    public PublicApiAnalyzer(PublicApi api, String className) {
        super(Opcodes.ASM4);
        this.api = api;
        this.className = className;
    }

    @Override
    public void visit(int version, int access, String name, String signature, String superName,
            String[] interfaces) {
        api.addImplClass(className);
        if (isPublicApi(access))
            api.addApiMember(className, Member.CLASS_MEMBER_NAME, isDeprecated(access));
    }

    @Override
    public FieldVisitor visitField(int access, String name, String desc, String signature, Object value) {
        if (isPublicApi(access))
            api.addApiMember(className, name, isDeprecated(access));
        return null;
    }

    @Override
    public MethodVisitor visitMethod(int access, String name, String desc, String signature, String[] exceptions) {
        if (isPublicApi(access))
            api.addApiMember(className, Member.methodMemberName(name, Type.getType(desc)), isDeprecated(access));
        return null;
    }

    private static boolean isPublicApi(int access) {
        return (access & (Opcodes.ACC_PUBLIC | Opcodes.ACC_PROTECTED)) != 0;
    }

    private static boolean isDeprecated(int access) {
        return (access & (Opcodes.ACC_DEPRECATED)) != 0;
    }
}