needed for applet search

[jalview.git] / src / com / stevesoft / pat / wrap / WriterWrap.java

diff --git a/src/com/stevesoft/pat/wrap/WriterWrap.java b/src/com/stevesoft/pat/wrap/WriterWrap.java
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+++ b/src/com/stevesoft/pat/wrap/WriterWrap.java
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+//\r
+// This software is now distributed according to\r
+// the Lesser Gnu Public License.  Please see\r
+// http://www.gnu.org/copyleft/lesser.txt for\r
+// the details.\r
+//    -- Happy Computing!\r
+//\r
+package com.stevesoft.pat.wrap;\r
+\r
+import com.stevesoft.pat.*;\r
+import java.io.*;\r
+\r
+/** Allows the outcome of a replaceAll() or replaceFirst()\r
+    to be directed to a Writer rather than a String.\r
+    <p>\r
+    The method toStringLike() cannot work, however.\r
+    This means that the return value of replaceAll() will\r
+    be null if this Object is used as the StringBufferLike.*/\r
+public class WriterWrap\r
+  implements BasicStringBufferLike\r
+  {\r
+  Writer w;\r
+  public WriterWrap(Writer w) {\r
+    this.w = w;\r
+  }\r
+  public void append(char c) {\r
+    try {\r
+      w.write((int)c);\r
+    } catch(IOException ioe) {}\r
+  }\r
+  public void append(String s) {\r
+    try {\r
+      w.write(s);\r
+    } catch(IOException ioe) {}\r
+  }\r
+\r
+  /** This operation can't really be done. */\r
+  public StringLike toStringLike() {\r
+    return null;\r
+  }\r
+\r
+  public Object unwrap() {\r
+    return w;\r
+  }\r
+}\r