/hudson-core/src/main/java/hudson/util/LineEndNormalizingWriter.java
http://github.com/hudson/hudson · Java · 104 lines · 53 code · 14 blank · 37 comment · 8 complexity · 01def6deb1c53178f7c1d25d2a83766e MD5 · raw file
- /*
- * 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.FilterWriter;
- import java.io.Writer;
- import java.io.IOException;
- /**
- * Finds the lone LF and converts that to CR+LF.
- *
- * <p>
- * Internet Explorer's <tt>XmlHttpRequest.responseText</tt> seems to
- * normalize the line end, and if we only send LF without CR, it will
- * not recognize that as a new line. To work around this problem,
- * we use this filter to always convert LF to CR+LF.
- *
- * @author Kohsuke Kawaguchi
- * @deprecated since 2008-05-28. moved to stapler
- */
- public class LineEndNormalizingWriter extends FilterWriter {
- private boolean seenCR;
- public LineEndNormalizingWriter(Writer out) {
- super(out);
- }
- public void write(char cbuf[]) throws IOException {
- write(cbuf, 0, cbuf.length);
- }
- public void write(String str) throws IOException {
- write(str,0,str.length());
- }
- public void write(int c) throws IOException {
- if(!seenCR && c==LF)
- super.write("\r\n");
- else
- super.write(c);
- seenCR = (c==CR);
- }
- public void write(char cbuf[], int off, int len) throws IOException {
- int end = off+len;
- int writeBegin = off;
- for( int i=off; i<end; i++ ) {
- char ch = cbuf[i];
- if(!seenCR && ch==LF) {
- // write up to the char before LF
- super.write(cbuf,writeBegin,i-writeBegin);
- super.write("\r\n");
- writeBegin=i+1;
- }
- seenCR = (ch==CR);
- }
- super.write(cbuf,writeBegin,end-writeBegin);
- }
- public void write(String str, int off, int len) throws IOException {
- int end = off+len;
- int writeBegin = off;
- for( int i=off; i<end; i++ ) {
- char ch = str.charAt(i);
- if(!seenCR && ch==LF) {
- // write up to the char before LF
- super.write(str,writeBegin,i-writeBegin);
- super.write("\r\n");
- writeBegin=i+1;
- }
- seenCR = (ch==CR);
- }
- super.write(str,writeBegin,end-writeBegin);
- }
- private static final int CR = 0x0D;
- private static final int LF = 0x0A;
- }