/*
* The MIT License
*
* Copyright (c) 2004-2009, Sun Microsystems, Inc., Kohsuke Kawaguchi
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package hudson.util;
import java.io.IOException;
import java.io.Writer;
import java.util.LinkedList;
import java.util.List;
/**
* {@link Writer} that spools the output and writes to another {@link Writer} later.
*
* @author Kohsuke Kawaguchi
* @deprecated since 2008-05-28. moved to stapler
*/
public final class CharSpool extends Writer {
private List<char[]> buf;
private char[] last = new char[1024];
private int pos;
public void write(char cbuf[], int off, int len) {
while(len>0) {
int sz = Math.min(last.length-pos,len);
System.arraycopy(cbuf,off,last,pos,sz);
len -= sz;
off += sz;
pos += sz;
renew();
}
}
private void renew() {
if(pos<last.length)
return;
if(buf==null)
buf = new LinkedList<char[]>();
buf.add(last);
last = new char[1024];
pos = 0;
}
public void write(int c) {
renew();
last[pos++] = (char)c;
}
public void flush() {
// noop
}
public void close() {
// noop
}
public void writeTo(Writer w) throws IOException {
if(buf!=null) {
for (char[] cb : buf) {
w.write(cb);
}
}
w.write(last,0,pos);
}
}