1 files changed, 135 insertions, 0 deletions
diff --git a/src/main/java/com/lowagie/text/ExceptionConverter.java b/src/main/java/com/lowagie/text/ExceptionConverter.java
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+++ b/src/main/java/com/lowagie/text/ExceptionConverter.java
@@ -0,0 +1,135 @@
+/*
+ * The contents of this file are subject to the Mozilla Public License Version 1.1
+ * (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.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the License.
+ *
+ * The Original Code is 'iText, a free JAVA-PDF library'.
+ *
+ * The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
+ * the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
+ * All Rights Reserved.
+ * Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
+ * are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
+ *
+ * Contributor(s): all the names of the contributors are added in the source code
+ * where applicable.
+ *
+ * Alternatively, the contents of this file may be used under the terms of the
+ * LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
+ * provisions of LGPL are applicable instead of those above.  If you wish to
+ * allow use of your version of this file only under the terms of the LGPL
+ * License and not to allow others to use your version of this file under
+ * the MPL, indicate your decision by deleting the provisions above and
+ * replace them with the notice and other provisions required by the LGPL.
+ * If you do not delete the provisions above, a recipient may use your version
+ * of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
+ *
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of the MPL as stated above or under the terms of the GNU
+ * Library General Public License as published by the Free Software Foundation;
+ * either version 2 of the License, or any later version.
+ *
+ * This library 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 Library general Public License for more
+ * details.
+ *
+ * If you didn't download this code from the following link, you should check if
+ * you aren't using an obsolete version:
+ * http://www.lowagie.com/iText/
+ */
+package com.lowagie.text;
+
+/**
+ * The ExceptionConverter changes a checked exception into an
+ * unchecked exception.
+ */
+public class ExceptionConverter extends RuntimeException {
+    /** we keep a handle to the wrapped exception */
+    private Exception ex;
+    /** prefix for the exception */
+    private String prefix;
+
+    /**
+     * Construct a RuntimeException based on another Exception
+     * @param ex the exception that has to be turned into a RuntimeException
+     */
+    public ExceptionConverter(Exception ex) {
+        this.ex = ex;
+        prefix = (ex instanceof RuntimeException) ? "" : "ExceptionConverter: ";
+    }
+
+    /**
+     * and allow the user of ExceptionConverter to get a handle to it. 
+     * @return the original exception
+     */
+    public Exception getException() {
+        return ex;
+    }
+
+    /**
+     * We print the message of the checked exception 
+     * @return message of the original exception
+     */
+    public String getMessage() {
+        return ex.getMessage();
+    }
+
+    /**
+     * and make sure we also produce a localized version
+     * @return localized version of the message
+     */
+    public String getLocalizedMessage() {
+        return ex.getLocalizedMessage();
+    }
+
+    /**
+     * The toString() is changed to be prefixed with ExceptionConverter 
+     * @return Stringversion of the exception
+     */
+    public String toString() {
+        return prefix + ex;
+    }
+
+    /** we have to override this as well */
+    public void printStackTrace() {
+        printStackTrace(System.err);
+    }
+
+    /**
+     * here we prefix, with s.print(), not s.println(), the stack
+     * trace with "ExceptionConverter:" 
+     * @param s
+     */
+    public void printStackTrace(java.io.PrintStream s) {
+        synchronized (s) {
+            s.print(prefix);
+            ex.printStackTrace(s);
+        }
+    }
+
+    /**
+     * Again, we prefix the stack trace with "ExceptionConverter:" 
+     * @param s
+     */
+    public void printStackTrace(java.io.PrintWriter s) {
+        synchronized (s) {
+            s.print(prefix);
+            ex.printStackTrace(s);
+        }
+    }
+
+    /**
+     * requests to fill in the stack trace we will have to ignore.
+     * We can't throw an exception here, because this method
+     * is called by the constructor of Throwable 
+     * @return a Throwable
+     */
+    public Throwable fillInStackTrace() {
+        return this;
+    }
+}
+\ No newline at end of file