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/*
 * JBoss, Home of Professional Open Source
 * Copyright 2015, Red Hat, Inc., and individual contributors as indicated
 * by the @authors tag.
 *
 * Licensed 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 org.jboss.util.stream;

import java.io.IOException;
import java.io.PrintWriter;
import java.io.OutputStream;
import java.io.InterruptedIOException;
import java.io.Writer;

/**
 * A PrintWriter that ends lines with a carriage return-line feed 
 * (CRLF).
 *
 * 

Concurrency

* This class is as synchronized as PrintWriter. * * @version $Revision$ * @author Jason Dillon */ public class CRLFPrintWriter extends PrintWriter { protected boolean autoFlush = false; public CRLFPrintWriter(final Writer out) { super(out); } public CRLFPrintWriter(final Writer out, final boolean autoFlush) { super(out, autoFlush); this.autoFlush = autoFlush; } public CRLFPrintWriter(final OutputStream out) { super(out); } public CRLFPrintWriter(final OutputStream out, final boolean autoFlush) { super(out, autoFlush); this.autoFlush = autoFlush; } protected void ensureOpen() throws IOException { if (out == null) throw new IOException("Stream closed"); } public void println() { try { synchronized (lock) { ensureOpen(); out.write("\r\n"); if (autoFlush) { out.flush(); } } } catch (InterruptedIOException e) { Thread.currentThread().interrupt(); } catch (IOException e) { setError(); } } }




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