/**
* Copyright 2007 Google Inc.
*
* 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.tonicsystems.jarjar.dependencies;
import com.tonicsystems.jarjar.util.RuntimeIOException;
import java.io.IOException;
import java.util.Map;
import org.objectweb.asm.commons.Remapper;
import org.objectweb.asm.commons.RemappingClassAdapter;
class DependencyFinderClassVisitor extends RemappingClassAdapter {
public DependencyFinderClassVisitor(Map<String, String> classToArchiveMap, String archiveName, DependencyHandler handler) throws IOException {
super(null, new DependencyFinderRemapper(classToArchiveMap, archiveName, handler));
}
@Override
public void visit(int version, int access, String name, String signature, String superName, String[] interfaces) {
((DependencyFinderRemapper) remapper).setClassName(name);
super.visit(version, access, name, signature, superName, interfaces);
}
private static class DependencyFinderRemapper extends Remapper {
private final Map<String, String> classes;
private final String archiveName;
private final DependencyHandler handler;
private Dependency curPathClass;
public DependencyFinderRemapper(Map<String, String> classes, String archiveName, DependencyHandler handler) throws IOException {
this.classes = classes;
this.archiveName = archiveName;
this.handler = handler;
}
public void setClassName(String name) {
curPathClass = new Dependency(archiveName, name);
}
@Override
public String map(String key) {
try {
if (classes.containsKey(key)) {
String otherSource = classes.get(key);
if (!archiveName.equals(otherSource)) {
// TODO: some escape mechanism?
handler.handle(curPathClass, new Dependency(otherSource, key));
}
}
} catch (IOException e) {
throw new RuntimeIOException(e);
}
return null;
}
}
}