/*
* This file is part of LanternServer, licensed under the MIT License (MIT).
*
* Copyright (c) LanternPowered <https://www.lanternpowered.org>
* Copyright (c) SpongePowered <https://www.spongepowered.org>
* Copyright (c) contributors
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the Software), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED AS IS, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package org.lanternpowered.server.plugin.asm;
import static org.objectweb.asm.Opcodes.ASM5;
import org.objectweb.asm.AnnotationVisitor;
import org.objectweb.asm.ClassVisitor;
import org.spongepowered.plugin.meta.PluginMetadata;
import javax.annotation.Nullable;
public final class PluginClassVisitor extends ClassVisitor {
private static final String PLUGIN_DESCRIPTOR = "Lorg/spongepowered/api/plugin/Plugin;";
private String className;
@Nullable private PluginAnnotationVisitor annotationVisitor;
public PluginClassVisitor() {
super(ASM5);
}
public String getClassName() {
return this.className;
}
public PluginMetadata getMetadata() {
return this.annotationVisitor != null ? this.annotationVisitor.getMetadata() : null;
}
@Override
public void visit(int version, int access, String name, String signature, String superName, String[] interfaces) {
this.className = name;
}
@Override @Nullable
public AnnotationVisitor visitAnnotation(String desc, boolean visible) {
if (visible && desc.equals(PLUGIN_DESCRIPTOR)) {
return this.annotationVisitor = new PluginAnnotationVisitor(className);
}
return null;
}
}