Initial Commit

iTechSharp/iTextSharp/text/xml/xmp/XmpSchema.cs

@@ -0,0 +1,165 @@
+using System;
+using System.Text;
+using System.util;
+/*
+ * $Id: XmpSchema.cs,v 1.5 2008/05/13 11:26:16 psoares33 Exp $
+ * 
+ *
+ * Copyright 2005 by Bruno Lowagie.
+ *
+ * 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) 1999-2005 by Bruno Lowagie.
+ * All Rights Reserved.
+ * Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
+ * are Copyright (C) 2000-2005 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/
+ */
+
+namespace iTextSharp.text.xml.xmp {
+
+    /**
+    * Abstract superclass of the XmpSchemas supported by iText.
+    */
+    public abstract class XmpSchema : Properties {
+        /** the namesspace */
+        protected String xmlns;
+        
+        /** Constructs an XMP schema. 
+        * @param xmlns
+        */
+        public XmpSchema(String xmlns) : base() {
+            this.xmlns = xmlns;
+        }
+        /**
+        * The String representation of the contents.
+        * @return a String representation.
+        */
+        public override String ToString() {
+            StringBuilder buf = new StringBuilder();
+            foreach (object key in Keys) {
+                Process(buf, key);
+            }
+            return buf.ToString();
+        }
+        /**
+        * Processes a property
+        * @param buf
+        * @param p
+        */
+        protected void Process(StringBuilder buf, Object p) {
+            buf.Append('<');
+            buf.Append(p);
+            buf.Append('>');
+            buf.Append(this[p.ToString()]);
+            buf.Append("</");
+            buf.Append(p);
+            buf.Append('>');
+        }
+
+        /**
+        * @return Returns the xmlns.
+        */
+        public String Xmlns {
+            get {
+                return xmlns;
+            }
+        }
+
+        /**
+        * @param key
+        * @param value
+        * @return the previous property (null if there wasn't one)
+        */
+        public void AddProperty(String key, String value) {
+            this[key] = value;
+        }
+        
+        public override string this[string key] {
+            set {
+                base[key] = Escape(value);
+            }
+        }
+        
+        public void SetProperty(string key, XmpArray value) {
+            base[key] = value.ToString();
+        }
+        
+        /**
+        * @see java.util.Properties#setProperty(java.lang.String, java.lang.String)
+        * 
+        * @param key
+        * @param value
+        * @return the previous property (null if there wasn't one)
+        */
+        public void SetProperty(String key, LangAlt value) {
+            base[key] = value.ToString();
+        }
+        
+        /**
+        * @param content
+        * @return
+        */
+        public static String Escape(String content) {
+            StringBuilder buf = new StringBuilder();
+            for (int i = 0; i < content.Length; i++) {
+                switch (content[i]) {
+                case '<':
+                    buf.Append("&lt;");
+                    break;
+                case '>':
+                    buf.Append("&gt;");
+                    break;
+                case '\'':
+                    buf.Append("&apos;");
+                    break;
+                case '\"':
+                    buf.Append("&quot;");
+                    break;
+                case '&':
+                    buf.Append("&amp;");
+                    break;
+                default:
+                    buf.Append(content[i]);
+                    break;
+                }
+            }
+            return buf.ToString();
+        }
+    }
+}