first commit

hrmsEjb/jxl/biff/EncodedURLHelper.java

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+package jxl.biff;
+
+import common.Logger;
+import jxl.WorkbookSettings;
+
+public class EncodedURLHelper {
+  private static Logger logger = Logger.getLogger(EncodedURLHelper.class);
+  
+  private static byte msDosDriveLetter = 1;
+  
+  private static byte sameDrive = 2;
+  
+  private static byte endOfSubdirectory = 3;
+  
+  private static byte parentDirectory = 4;
+  
+  private static byte unencodedUrl = 5;
+  
+  public static byte[] getEncodedURL(String s, WorkbookSettings ws) {
+    if (s.startsWith("http:"))
+      return getURL(s, ws); 
+    return getFile(s, ws);
+  }
+  
+  private static byte[] getFile(String s, WorkbookSettings ws) {
+    ByteArray byteArray = new ByteArray();
+    int pos = 0;
+    if (s.charAt(1) == ':') {
+      byteArray.add(msDosDriveLetter);
+      byteArray.add((byte)s.charAt(0));
+      pos = 2;
+    } else if (s.charAt(pos) == '\\' || s.charAt(pos) == '/') {
+      byteArray.add(sameDrive);
+    } 
+    while (s.charAt(pos) == '\\' || s.charAt(pos) == '/')
+      pos++; 
+    while (pos < s.length()) {
+      int nextSepIndex1 = s.indexOf('/', pos);
+      int nextSepIndex2 = s.indexOf('\\', pos);
+      int nextSepIndex = 0;
+      String nextFileNameComponent = null;
+      if (nextSepIndex1 != -1 && nextSepIndex2 != -1) {
+        nextSepIndex = Math.min(nextSepIndex1, nextSepIndex2);
+      } else if (nextSepIndex1 == -1 || nextSepIndex2 == -1) {
+        nextSepIndex = Math.max(nextSepIndex1, nextSepIndex2);
+      } 
+      if (nextSepIndex == -1) {
+        nextFileNameComponent = s.substring(pos);
+        pos = s.length();
+      } else {
+        nextFileNameComponent = s.substring(pos, nextSepIndex);
+        pos = nextSepIndex + 1;
+      } 
+      if (!nextFileNameComponent.equals("."))
+        if (nextFileNameComponent.equals("..")) {
+          byteArray.add(parentDirectory);
+        } else {
+          byteArray.add(StringHelper.getBytes(nextFileNameComponent, ws));
+        }  
+      if (pos < s.length())
+        byteArray.add(endOfSubdirectory); 
+    } 
+    return byteArray.getBytes();
+  }
+  
+  private static byte[] getURL(String s, WorkbookSettings ws) {
+    ByteArray byteArray = new ByteArray();
+    byteArray.add(unencodedUrl);
+    byteArray.add((byte)s.length());
+    byteArray.add(StringHelper.getBytes(s, ws));
+    return byteArray.getBytes();
+  }
+}