Version 13, August 2011

[GpsPrune.git] / tim / prune / save / xml / XmlUtils.java

diff --git a/tim/prune/save/xml/XmlUtils.java b/tim/prune/save/xml/XmlUtils.java
new file mode 100644 (file)
index 0000000..a4f9cae
--- /dev/null
+++ b/tim/prune/save/xml/XmlUtils.java
@@ -0,0 +1,37 @@
+package tim.prune.save.xml;
+
+/**
+ * Collection of utility functions for handling XML
+ */
+public abstract class XmlUtils
+{
+       /** Start of Cdata sequence */
+       private static final String CDATA_START = "<![CDATA[";
+       /** End of Cdata sequence */
+       private static final String CDATA_END = "]]>";
+
+       /**
+        * Fix the CDATA blocks in the given String to give valid xml
+        * @param inString String to modify
+        * @return fixed String
+        */
+       public static String fixCdata(String inString)
+       {
+               if (inString == null) return "";
+               if (inString.indexOf('<') < 0 && inString.indexOf('>') < 0) {
+                       return inString;
+               }
+               String result = inString;
+               // Remove cdata block at start if present
+               if (result.startsWith(CDATA_START)) {
+                       result = result.substring(CDATA_START.length());
+               }
+               // Remove all instances of end block
+               result = result.replaceAll(CDATA_END, "");
+               // Now check whether cdata block is required
+               if (result.indexOf('<') < 0 && result.indexOf('>') < 0) {
+                       return result;
+               }
+               return CDATA_START + result + CDATA_END;
+       }
+}