first commit

hrmsEjb/jxl/biff/StringHelper.java

@@ -0,0 +1,79 @@
+package jxl.biff;
+
+import common.Logger;
+import java.io.UnsupportedEncodingException;
+import jxl.WorkbookSettings;
+
+public final class StringHelper {
+  private static Logger logger = Logger.getLogger(StringHelper.class);
+  
+  public static byte[] getBytes(String s) {
+    return s.getBytes();
+  }
+  
+  public static byte[] getBytes(String s, WorkbookSettings ws) {
+    try {
+      return s.getBytes(ws.getEncoding());
+    } catch (UnsupportedEncodingException e) {
+      return null;
+    } 
+  }
+  
+  public static byte[] getUnicodeBytes(String s) {
+    try {
+      byte[] b = s.getBytes("UnicodeLittle");
+      if (b.length == s.length() * 2 + 2) {
+        byte[] b2 = new byte[b.length - 2];
+        System.arraycopy(b, 2, b2, 0, b2.length);
+        b = b2;
+      } 
+      return b;
+    } catch (UnsupportedEncodingException e) {
+      return null;
+    } 
+  }
+  
+  public static void getBytes(String s, byte[] d, int pos) {
+    byte[] b = getBytes(s);
+    System.arraycopy(b, 0, d, pos, b.length);
+  }
+  
+  public static void getUnicodeBytes(String s, byte[] d, int pos) {
+    byte[] b = getUnicodeBytes(s);
+    System.arraycopy(b, 0, d, pos, b.length);
+  }
+  
+  public static String getString(byte[] d, int length, int pos, WorkbookSettings ws) {
+    try {
+      byte[] b = new byte[length];
+      System.arraycopy(d, pos, b, 0, length);
+      return new String(b, ws.getEncoding());
+    } catch (UnsupportedEncodingException e) {
+      logger.warn(e.toString());
+      return "";
+    } 
+  }
+  
+  public static String getUnicodeString(byte[] d, int length, int pos) {
+    try {
+      byte[] b = new byte[length * 2];
+      System.arraycopy(d, pos, b, 0, length * 2);
+      return new String(b, "UnicodeLittle");
+    } catch (UnsupportedEncodingException e) {
+      return "";
+    } 
+  }
+  
+  public static final String replace(String input, String search, String replace) {
+    String fmtstr = input;
+    int pos = fmtstr.indexOf(search);
+    while (pos != -1) {
+      StringBuffer tmp = new StringBuffer(fmtstr.substring(0, pos));
+      tmp.append(replace);
+      tmp.append(fmtstr.substring(pos + search.length()));
+      fmtstr = tmp.toString();
+      pos = fmtstr.indexOf(search, pos + replace.length());
+    } 
+    return fmtstr;
+  }
+}