1 files changed, 80 insertions, 0 deletions
diff --git a/src/main/com/tonicsystems/jarjar/DepFind.java b/src/main/com/tonicsystems/jarjar/DepFind.java
new file mode 100644
index 0000000..40f68ff
--- /dev/null
+++ b/src/main/com/tonicsystems/jarjar/DepFind.java
@@ -0,0 +1,80 @@
+/**
+ * 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 java.util.zip.ZipEntry;
+import org.objectweb.asm.ClassReader;
+import org.objectweb.asm.ClassVisitor;
+
+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();
+        }
+    }
+}