1 /** 2 * Copyright 2007 Google Inc. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.tonicsystems.jarjar; 18 19 import com.tonicsystems.jarjar.util.*; 20 import java.io.*; 21 import java.util.*; 22 import java.util.zip.ZipEntry; 23 import org.objectweb.asm.ClassReader; 24 import org.objectweb.asm.ClassVisitor; 25 26 public class DepFind 27 { 28 private File curDir = new File(System.getProperty("user.dir")); 29 30 public void setCurrentDirectory(File curDir) { 31 this.curDir = curDir; 32 } 33 34 public void run(String from, String to, DepHandler handler) throws IOException { 35 try { 36 ClassHeaderReader header = new ClassHeaderReader(); 37 Map<String, String> classes = new HashMap<String, String>(); 38 ClassPathIterator cp = new ClassPathIterator(curDir, to, null); 39 try { 40 while (cp.hasNext()) { 41 ClassPathEntry entry = cp.next(); 42 InputStream in = entry.openStream(); 43 try { 44 header.read(in); 45 classes.put(header.getClassName(), entry.getSource()); 46 } catch (Exception e) { 47 System.err.println("Error reading " + entry.getName() + ": " + e.getMessage()); 48 } finally { 49 in.close(); 50 } 51 } 52 } finally { 53 cp.close(); 54 } 55 56 handler.handleStart(); 57 cp = new ClassPathIterator(curDir, from, null); 58 try { 59 while (cp.hasNext()) { 60 ClassPathEntry entry = cp.next(); 61 InputStream in = entry.openStream(); 62 try { 63 new ClassReader(in).accept( 64 new DepFindVisitor(classes, entry.getSource(), handler), 65 ClassReader.SKIP_DEBUG); 66 } catch (Exception e) { 67 System.err.println("Error reading " + entry.getName() + ": " + e.getMessage()); 68 } finally { 69 in.close(); 70 } 71 } 72 } finally { 73 cp.close(); 74 } 75 handler.handleEnd(); 76 } catch (RuntimeIOException e) { 77 throw (IOException)e.getCause(); 78 } 79 } 80 } 81
