1 files changed, 180 insertions, 0 deletions
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