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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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* Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
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* The contents of this file are subject to the terms of either the GNU
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* General Public License Version 2 only ("GPL") or the Common Development
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* and Distribution License("CDDL") (collectively, the "License"). You
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* may not use this file except in compliance with the License. You can obtain
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* a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
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* or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific
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* language governing permissions and limitations under the License.
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* When distributing the software, include this License Header Notice in each
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* file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
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* Sun designates this particular file as subject to the "Classpath" exception
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* as provided by Sun in the GPL Version 2 section of the License file that
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* accompanied this code. If applicable, add the following below the License
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* Header, with the fields enclosed by brackets [] replaced by your own
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* identifying information: "Portions Copyrighted [year]
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* [name of copyright owner]"
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* If you wish your version of this file to be governed by only the CDDL or
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* only the GPL Version 2, indicate your decision by adding "[Contributor]
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* elects to include this software in this distribution under the [CDDL or GPL
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* Version 2] license." If you don't indicate a single choice of license, a
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* recipient has the option to distribute your version of this file under
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* either the CDDL, the GPL Version 2 or to extend the choice of license to
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* its licensees as provided above. However, if you add GPL Version 2 code
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* and therefore, elected the GPL Version 2 license, then the option applies
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* only if the new code is made subject to such option by the copyright
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package com.sun.mail.mbox;
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* Count number of lines output.
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class LineCounter extends FilterOutputStream {
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private int lastb = -1;
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protected int lineCount;
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public LineCounter(OutputStream os) {
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public void write(int b) throws IOException {
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// If we have a full line, count it.
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if (b == '\r' || (b == '\n' && lastb != '\r'))
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public void write(byte[] b) throws IOException {
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write(b, 0, b.length);
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public void write(byte[] b, int off, int len) throws IOException {
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for (int i = 0 ; i < len ; i++) {
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public int getLineCount() {
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public static void main(String argv[]) throws Exception {
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new LineCounter(System.out);
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while ((b = System.in.read()) >= 0)
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System.out.println(os.getLineCount());