From 6025b6016517c6d898d8957d1d7e03ba71431912 Mon Sep 17 00:00:00 2001 From: tknall Date: Fri, 1 Dec 2006 12:20:24 +0000 Subject: Initial import of release 2.2. git-svn-id: https://joinup.ec.europa.eu/svn/pdf-as/trunk@4 7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c --- .../pdfbox/pdfwriter/COSStandardOutputStream.java | 180 +++++++++++++++++++++ 1 file changed, 180 insertions(+) create mode 100644 src/main/java/org/pdfbox/pdfwriter/COSStandardOutputStream.java (limited to 'src/main/java/org/pdfbox/pdfwriter/COSStandardOutputStream.java') diff --git a/src/main/java/org/pdfbox/pdfwriter/COSStandardOutputStream.java b/src/main/java/org/pdfbox/pdfwriter/COSStandardOutputStream.java new file mode 100644 index 0000000..1881bf2 --- /dev/null +++ b/src/main/java/org/pdfbox/pdfwriter/COSStandardOutputStream.java @@ -0,0 +1,180 @@ +/** + * Copyright (c) 2003, www.pdfbox.org + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of pdfbox; nor the names of its + * contributors may be used to endorse or promote products derived from this + * software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * http://www.pdfbox.org + * + */ +package org.pdfbox.pdfwriter; + + + +import java.io.FilterOutputStream; +import java.io.IOException; +import java.io.OutputStream; + +/** + * simple output stream with some minor features for generating "pretty" + * pdf files. + * + * @author Michael Traut + * @version $Revision: 1.4 $ + */ +public class COSStandardOutputStream extends FilterOutputStream +{ + + /** + * To be used when 2 byte sequence is enforced. + */ + public static final byte[] CRLF = "\r\n".getBytes(); + + /** + * Line feed character. + */ + public static final byte[] LF = "\n".getBytes(); + + /** + * standard line separator on this platform. + */ + public static final byte[] EOL = System.getProperty("line.separator").getBytes(); + + // current byte pos in the output stream + private long pos = 0; + // flag to prevent generating two newlines in sequence + private boolean onNewLine = false; + + /** + * COSOutputStream constructor comment. + * + * @param out The underlying stream to write to. + */ + public COSStandardOutputStream(OutputStream out) + { + super(out); + } + /** + * This will get the current position in the stream. + * + * @return The current position in the stream. + */ + public long getPos() + { + return pos; + } + /** + * This will tell if we are on a newling. + * + * @return true If we are on a newline. + */ + public boolean isOnNewLine() + { + return onNewLine; + } + /** + * This will set a flag telling if we are on a newline. + * + * @param newOnNewLine The new value for the onNewLine attribute. + */ + public void setOnNewLine(boolean newOnNewLine) + { + onNewLine = newOnNewLine; + } + /** + * This will set the position in the stream. + * + * @param newPos The new position in the stream. + */ + private void setPos(int newPos) + { + pos = newPos; + } + + /** + * This will write some byte to the stream. + * + * @param b The source byte array. + * @param off The offset into the array to start writing. + * @param len The number of bytes to write. + * + * @throws IOException If the underlying stream throws an exception. + */ + public void write(byte[] b, int off, int len) throws IOException + { + setOnNewLine(false); + out.write(b, off, len); + pos += len; + } + + /** + * This will write a single byte to the stream. + * + * @param b The byte to write to the stream. + * + * @throws IOException If there is an error writing to the underlying stream. + */ + public void write(int b) throws IOException + { + setOnNewLine(false); + out.write(b); + pos++; + } + + /** + * This will write a CRLF to the stream. + * + * @throws IOException If there is an error writing the data to the stream. + */ + public void writeCRLF() throws IOException + { + write(CRLF); + // setOnNewLine(true); + } + + /** + * This will write an EOL to the stream. + * + * @throws IOException If there is an error writing to the stream + */ + public void writeEOL() throws IOException + { + if (!isOnNewLine()) + { + write(EOL); + setOnNewLine(true); + } + } + + /** + * This will write a Linefeed to the stream. + * + * @throws IOException If there is an error writing to the underlying stream. + */ + public void writeLF() throws IOException + { + write(LF); + // setOnNewLine(true); + } +} \ No newline at end of file -- cgit v1.2.3