/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package groovy.io;
import java.io.
BufferedWriter;
import java.io.
IOException;
import java.io.
Writer;
/**
* A buffered writer that gobbles any \r characters
* and replaces every \n with a platform specific newline.
* In many places Groovy normalises streams to only have \n
* characters but when creating files that must be used
* by other platform-aware tools, you sometimes want the
* newlines to match what the platform expects.
*
* @author Paul King
*/
public class
PlatformLineWriter extends
Writer {
private final
BufferedWriter writer;
public
PlatformLineWriter(
Writer out) {
writer = new
BufferedWriter(
out);
}
public
PlatformLineWriter(
Writer out, int
sz) {
writer = new
BufferedWriter(
out,
sz);
}
public void
write(char
cbuf[], int
off, int
len) throws
IOException {
for (;
len > 0;
len--) {
char
c =
cbuf[
off++];
if (
c == '\n') {
writer.
newLine();
} else if (
c != '\r') {
writer.
write(
c);
}
}
}
public void
flush() throws
IOException {
writer.
flush();
}
public void
close() throws
IOException {
writer.
close();
}
}