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/*
* 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;
import com.tonicsystems.jarjar.util.*;
import java.io.*;
import java.util.*;
import org.objectweb.asm.ClassReader;
public class DepFind {
private File curDir = new File(System.getProperty("user.dir"));
public void setCurrentDirectory(File curDir) {
this.curDir = curDir;
}
public void run(String from, String to, DepHandler handler) throws IOException {
try {
ClassHeaderReader header = new ClassHeaderReader();
Map<String, String> classes = new HashMap<String, String>();
ClassPathIterator cp = new ClassPathIterator(curDir, to, null);
try {
while (cp.hasNext()) {
ClassPathEntry entry = cp.next();
InputStream in = entry.openStream();
try {
header.read(in);
classes.put(header.getClassName(), entry.getSource());
} catch (Exception e) {
System.err.println("Error reading " + entry.getName() + ": " + e.getMessage());
} finally {
in.close();
}
}
} finally {
cp.close();
}
handler.handleStart();
cp = new ClassPathIterator(curDir, from, null);
try {
while (cp.hasNext()) {
ClassPathEntry entry = cp.next();
InputStream in = entry.openStream();
try {
new ClassReader(in)
.accept(
new DepFindVisitor(classes, entry.getSource(), handler),
ClassReader.SKIP_DEBUG);
} catch (Exception e) {
System.err.println("Error reading " + entry.getName() + ": " + e.getMessage());
} finally {
in.close();
}
}
} finally {
cp.close();
}
handler.handleEnd();
} catch (RuntimeIOException e) {
throw (IOException) e.getCause();
}
}
}
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