/**
* 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.classpath.ClassPath;
import com.tonicsystems.jarjar.classpath.ClassPathArchive;
import com.tonicsystems.jarjar.classpath.ClassPathResource;
import com.tonicsystems.jarjar.util.RuntimeIOException;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.util.HashMap;
import java.util.Map;
import org.objectweb.asm.ClassReader;
public class DependencyFinder {
private File curDir = new File(System.getProperty("user.dir"));
public void setCurrentDirectory(File curDir) {
this.curDir = curDir;
}
public void run(DependencyHandler handler, ClassPath from, ClassPath to) throws IOException {
try {
ClassHeaderReader header = new ClassHeaderReader();
Map<String, String> classToArchiveMap = new HashMap<String, String>();
for (ClassPathArchive toArchive : to) {
for (ClassPathResource toResource : toArchive) {
InputStream in = toResource.openStream();
try {
header.read(in);
classToArchiveMap.put(header.getClassName(), toArchive.getArchiveName());
} catch (Exception e) {
System.err.println("Error reading " + toResource.getName() + ": " + e.getMessage());
} finally {
in.close();
}
}
}
handler.handleStart();
for (ClassPathArchive fromArchive : from) {
for (ClassPathResource fromResource : fromArchive) {
InputStream in = fromResource.openStream();
try {
new ClassReader(in).accept(new DependencyFinderClassVisitor(classToArchiveMap, fromArchive.getArchiveName(), handler),
ClassReader.SKIP_DEBUG);
} catch (Exception e) {
System.err.println("Error reading " + fromResource.getName() + ": " + e.getMessage());
} finally {
in.close();
}
}
}
handler.handleEnd();
} catch (RuntimeIOException e) {
throw (IOException) e.getCause();
}
}
}