Android example source code file (ClassHasNativeVisitor.java)

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

Java - Android tags/keywords

annotationvisitor, classhasnativevisitor, classvisitor, fieldvisitor, methodvisitor, object, string

The ClassHasNativeVisitor.java Android example source code

/*
 * Copyright (C) 2008 The Android Open Source Project
 *
 * Licensed 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.
 */

package com.android.tools.layoutlib.create;

import org.objectweb.asm.AnnotationVisitor;
import org.objectweb.asm.Attribute;
import org.objectweb.asm.ClassVisitor;
import org.objectweb.asm.FieldVisitor;
import org.objectweb.asm.MethodVisitor;
import org.objectweb.asm.Opcodes;

/**
 * Indicates if a class contains any native methods.
 */
public class ClassHasNativeVisitor implements ClassVisitor {
    
    private boolean mHasNativeMethods = false;
    
    public boolean hasNativeMethods() {
        return mHasNativeMethods;
    }

    public void visit(int version, int access, String name, String signature,
            String superName, String[] interfaces) {
        // pass
    }

    public AnnotationVisitor visitAnnotation(String desc, boolean visible) {
        // pass
        return null;
    }

    public void visitAttribute(Attribute attr) {
        // pass
    }

    public void visitEnd() {
        // pass
    }

    public FieldVisitor visitField(int access, String name, String desc,
            String signature, Object value) {
        // pass
        return null;
    }

    public void visitInnerClass(String name, String outerName,
            String innerName, int access) {
        // pass
    }

    public MethodVisitor visitMethod(int access, String name, String desc,
            String signature, String[] exceptions) {
        mHasNativeMethods |= ((access & Opcodes.ACC_NATIVE) != 0);
        return null;
    }

    public void visitOuterClass(String owner, String name, String desc) {
        // pass
    }

    public void visitSource(String source, String debug) {
        // pass
    }

}