1 files changed, 89 insertions, 0 deletions
diff --git a/src/proguard/FileWordReader.java b/src/proguard/FileWordReader.java
new file mode 100644
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+++ b/src/proguard/FileWordReader.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;
+
+import java.io.*;
+import java.net.URL;
+
+
+/**
+ * A <code>WordReader</code> that returns words from a file or a URL.
+ *
+ * @author Eric Lafortune
+ */
+public class FileWordReader extends WordReader
+{
+    private final String           name;
+    private LineNumberReader reader;
+
+
+    /**
+     * Creates a new FileWordReader for the given file.
+     */
+    public FileWordReader(File file) throws IOException
+    {
+        super(file.getParentFile());
+
+        this.name   = file.getPath();
+        this.reader = new LineNumberReader(
+                      new BufferedReader(
+                      new FileReader(file)));
+    }
+
+
+    /**
+     * Creates a new FileWordReader for the given URL.
+     */
+    public FileWordReader(URL url) throws IOException
+    {
+        super(null);
+
+        this.name   = url.toString();
+        this.reader = new LineNumberReader(
+                       new BufferedReader(
+                       new InputStreamReader(url.openStream())));
+    }
+
+
+    // Implementations for WordReader.
+
+    protected String nextLine() throws IOException
+    {
+        return reader.readLine();
+    }
+
+
+    protected String lineLocationDescription()
+    {
+        return "line " + reader.getLineNumber() + " of file '" + name + "'";
+    }
+
+
+    public void close() throws IOException
+    {
+        super.close();
+
+        if (reader != null)
+        {
+            reader.close();
+        }
+    }
+}