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+/*
+ * Copyright 2002 by Matt Benson.
+ *
+ * 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.xml;
+
+
+import java.lang.reflect.Field;
+import java.lang.reflect.Modifier;
+import java.io.InputStream;
+import java.io.OutputStream;
+
+import com.lowagie.text.Document;
+import com.lowagie.text.PageSize;
+import com.lowagie.text.Rectangle;
+import com.lowagie.text.DocumentException;
+
+
+/**
+ * Generates an specific file from an iText XML file.
+ *
+ * @version 1.0
+ * @author <a href="mailto:orangeherbert@users.sourceforge.net">Matt Benson</a>
+ */
+public abstract class XmlToXXX
+{
+
+ protected Rectangle pageSize;
+
+
+/**
+ * Construct an <CODE>XmlToXXX</CODE> with the default page size.
+ */
+ public XmlToXXX()
+ {
+ this(PageSize.LETTER);
+ }//end default constructor
+
+
+/**
+ * Construct an <CODE>XmlToXXX</CODE> with the specified page size.
+ * @param pageSize <CODE>String</CODE> page size name from
+ * <CODE>com.lowagie.text.PageSize</CODE>.
+ */
+ public XmlToXXX(String pageSize)
+ {
+ this(getPageSize(pageSize));
+ }//end constructor(String)
+
+
+ private XmlToXXX(Rectangle pageSize)
+ {
+ this.pageSize = pageSize;
+ }//end constructor(Rectangle)
+
+
+/**
+ * Parse the XML from the specified <CODE>InputStream</CODE>, writing to the
+ * specified <CODE>OutputStream</CODE>.
+ * @param in the <CODE>InputStream</CODE> from which the XML is read.
+ * @param out the <CODE>OutputStream</CODE> to which the result is written.
+ * @throws DocumentException if document errors occur.
+ */
+ public final void parse(InputStream in, OutputStream out)
+ throws DocumentException
+ {
+ Document doc = new Document(pageSize);
+
+ addWriter(doc, out);
+ XmlParser.parse(doc, in);
+ }//end parse
+
+
+ private static Rectangle getPageSize(String pageSize)
+ {
+ Rectangle result = PageSize.LETTER;
+ Field fld = null;
+ try
+ {
+ fld = PageSize.class.getDeclaredField(pageSize.toUpperCase());
+ result = (fld != null
+ && Modifier.isStatic(fld.getModifiers())
+ && fld.getType().equals(Rectangle.class)) ? (Rectangle)(fld.get(null))
+ : result;
+ }//end try to get field
+ catch (Exception ex)
+ {
+ System.err.println(ex.getMessage());
+ }//end catch Exception
+ return result;
+ }//end getPageSize
+
+
+/**
+ * Add a <CODE>DocWriter</CODE> for the specified <CODE>Document</CODE> and
+ * <CODE>OutputStream</CODE>.
+ * @param doc The document to which content will be added
+ * @param out The outputstream to which the document will be sent
+ * @throws DocumentException if document errors occur.
+ */
+ protected abstract void addWriter(Document doc, OutputStream out)
+ throws DocumentException;
+
+}//end class XmlToXXX