Moved source into separate src directory due to popular request

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

diff --git a/tim/prune/save/xml/XmlUtils.java b/tim/prune/save/xml/XmlUtils.java
deleted file mode 100644 (file)
index 643ebb0..0000000
--- a/tim/prune/save/xml/XmlUtils.java
+++ /dev/null
@@ -1,129 +0,0 @@
-package tim.prune.save.xml;
-
-import java.io.File;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.io.OutputStreamWriter;
-import java.nio.charset.Charset;
-
-/**
- * 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 = "]]>";
-       /** Cached copy of system encoding string */
-       private static String _systemEncoding = null;
-
-       /**
-        * 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 || inString.isEmpty()) return "";
-               if (!hasIllegalCharacter(inString)) {
-                       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 (!hasIllegalCharacter(result)) {
-                       return result;
-               }
-               return CDATA_START + result + CDATA_END;
-       }
-
-       /**
-        * Checks the input string for the three illegal characters,
-        * but only looping through the string once instead of three times
-        * @param inValue string to check
-        * @return true if at least one of the illegal characters is found
-        */
-       public static boolean hasIllegalCharacter(String inValue)
-       {
-               if (inValue == null) return false;
-               final int numChars = inValue.length();
-               for (int i=0; i<numChars; i++)
-               {
-                       final char c = inValue.charAt(i);
-                       if (c == '<' || c == '>' || c == '&')
-                       {
-                               return true;
-                       }
-               }
-               return false;
-       }
-
-       /**
-        * @return true if system uses UTF-8 by default
-        */
-       public static boolean isSystemUtf8()
-       {
-               String systemEncoding = getSystemEncoding();
-               return (systemEncoding != null && systemEncoding.toUpperCase().equals("UTF-8"));
-       }
-
-       /**
-        * @return name of the system's character encoding
-        */
-       public static String getSystemEncoding()
-       {
-               if (_systemEncoding == null) {
-                       _systemEncoding = determineSystemEncoding();
-               }
-               return _systemEncoding;
-       }
-
-       /**
-        * Use a temporary file to obtain the name of the default system encoding
-        * @return name of default system encoding, or null if write failed
-        */
-       private static String determineSystemEncoding()
-       {
-               File tempFile = null;
-               String encoding = null;
-               try
-               {
-                       tempFile = File.createTempFile("gpsprune", null);
-                       OutputStreamWriter writer = new OutputStreamWriter(new FileOutputStream(tempFile));
-                       encoding = getEncoding(writer);
-                       writer.close();
-               }
-               catch (IOException e) {} // value stays null
-               // Delete temp file
-               if (tempFile != null && tempFile.exists()) {
-                       if (!tempFile.delete()) {
-                               System.err.println("Cannot delete temp file: " + tempFile.getAbsolutePath());
-                       }
-               }
-               // If writing failed (eg permissions) then just ask system for default
-               if (encoding == null) encoding = Charset.defaultCharset().name();
-               return encoding;
-       }
-
-
-       /**
-        * Get the default system encoding using a writer
-        * @param inWriter writer object
-        * @return string defining encoding
-        */
-       public static String getEncoding(OutputStreamWriter inWriter)
-       {
-               String encoding = inWriter.getEncoding();
-               try {
-                       encoding =  Charset.forName(encoding).name();
-               }
-               catch (Exception e) {} // ignore failure to find encoding
-               return encoding;
-       }
-}