X-Git-Url: http://gitweb.fperrin.net/?a=blobdiff_plain;f=tim%2Fprune%2Fsave%2Fxml%2FXmlUtils.java;fp=tim%2Fprune%2Fsave%2Fxml%2FXmlUtils.java;h=0000000000000000000000000000000000000000;hb=ce6f2161b8596f7018d6a76bff79bc9e571f35fd;hp=643ebb015c5d8aa6a0e1dd1c3bb754ddb355fd11;hpb=2d8cb72e84d5cc1089ce77baf1e34ea3ea2f8465;p=GpsPrune.git

diff --git a/tim/prune/save/xml/XmlUtils.java b/tim/prune/save/xml/XmlUtils.java
deleted file mode 100644
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;
-	}
-}