1 files changed, 78 insertions, 0 deletions
diff --git a/src/proguard/io/DirectoryPump.java b/src/proguard/io/DirectoryPump.java
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+++ b/src/proguard/io/DirectoryPump.java
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+/*
+ * ProGuard -- shrinking, optimization, obfuscation, and preverification
+ *             of Java bytecode.
+ *
+ * Copyright (c) 2002-2009 Eric Lafortune (eric@graphics.cornell.edu)
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+package proguard.io;
+
+import java.io.*;
+
+
+/**
+ * This class can read a given file or directory, recursively, applying a given
+ * DataEntryReader to all files it comes across.
+ *
+ * @author Eric Lafortune
+ */
+public class DirectoryPump implements DataEntryPump
+{
+    private final File directory;
+
+
+    public DirectoryPump(File directory)
+    {
+        this.directory = directory;
+    }
+
+
+    // Implementations for DataEntryPump.
+
+    public void pumpDataEntries(DataEntryReader dataEntryReader)
+    throws IOException
+    {
+        if (!directory.exists())
+        {
+            throw new IOException("No such file or directory");
+        }
+
+        readFiles(directory, dataEntryReader);
+    }
+
+
+    /**
+     * Reads the given subdirectory recursively, applying the given DataEntryReader
+     * to all files that are encountered.
+     */
+    private void readFiles(File file, DataEntryReader dataEntryReader)
+    throws IOException
+    {
+        // Pass the file data entry to the reader.
+        dataEntryReader.read(new FileDataEntry(directory, file));
+
+        if (file.isDirectory())
+        {
+            // Recurse into the subdirectory.
+            File[] files = file.listFiles();
+
+            for (int index = 0; index < files.length; index++)
+            {
+                readFiles(files[index], dataEntryReader);
+            }
+        }
+    }
+}