Added URL parameter {en,de}coding.

[jsvc.git] / src / dolda / jsvc / util / MixedBuffer.java

diff --git a/src/dolda/jsvc/util/MixedBuffer.java b/src/dolda/jsvc/util/MixedBuffer.java
new file mode 100644 (file)
index 0000000..f78b035
--- /dev/null
+++ b/src/dolda/jsvc/util/MixedBuffer.java
@@ -0,0 +1,46 @@
+package dolda.jsvc.util;
+
+import java.io.*;
+import java.nio.ByteBuffer;
+import java.nio.CharBuffer;
+import java.nio.charset.Charset;
+import java.nio.charset.CharsetDecoder;
+
+public class MixedBuffer {
+    private ByteArrayOutputStream buf = new ByteArrayOutputStream();
+    private Writer conv;
+    private Charset cs;
+       
+    public MixedBuffer(Charset cs) {
+       this.cs = cs;
+       conv = new OutputStreamWriter(buf, cs);
+    }
+    
+    public MixedBuffer() {
+       this(Misc.utf8);
+    }
+    
+    public void append(byte b) {
+       buf.write(b);
+    }
+    
+    public void append(char c) {
+       try {
+           conv.write(c);
+           conv.flush();
+       } catch(IOException e) {
+           throw(new Error(e));
+       }
+    }
+    
+    public String convert() throws java.nio.charset.CharacterCodingException {
+       CharsetDecoder dec = cs.newDecoder();
+       ByteBuffer in = ByteBuffer.wrap(buf.toByteArray());
+       CharBuffer out = dec.decode(in);
+       return(out.toString());
+    }
+    
+    public int size() {
+       return(buf.size());
+    }
+}