diff options
Diffstat (limited to 'src/main/java/org/pdfbox/ttf/RAFDataStream.java')
| -rw-r--r-- | src/main/java/org/pdfbox/ttf/RAFDataStream.java | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/src/main/java/org/pdfbox/ttf/RAFDataStream.java b/src/main/java/org/pdfbox/ttf/RAFDataStream.java new file mode 100644 index 0000000..14ebfd9 --- /dev/null +++ b/src/main/java/org/pdfbox/ttf/RAFDataStream.java @@ -0,0 +1,193 @@ +/**
+ * Copyright (c) 2004, 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.ttf;
+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.RandomAccessFile;
+
+import org.pdfbox.cos.COSStream;
+import org.pdfbox.pdmodel.common.PDStream;
+
+/**
+ * An implementation of the TTFDataStream that goes against a RAF.
+ *
+ * @author Ben Litchfield (ben@csh.rit.edu)
+ * @version $Revision: 1.4 $
+ */
+public class RAFDataStream extends TTFDataStream
+{
+ private RandomAccessFile raf = null;
+ /**
+ * Constructor.
+ *
+ * @param name The raf file.
+ * @param mode The mode to open the RAF.
+ *
+ * @throws FileNotFoundException If there is a problem creating the RAF.
+ *
+ * @see RandomAccessFile#RandomAccessFile( String, String )
+ */
+ public RAFDataStream(String name, String mode) throws FileNotFoundException
+ {
+ raf = new RandomAccessFile( name, mode );
+ }
+
+ /**
+ * Constructor.
+ *
+ * @param file The raf file.
+ * @param mode The mode to open the RAF.
+ *
+ * @throws FileNotFoundException If there is a problem creating the RAF.
+ *
+ * @see RandomAccessFile#RandomAccessFile( File, String )
+ */
+ public RAFDataStream(File file, String mode) throws FileNotFoundException
+ {
+ raf = new RandomAccessFile( file, mode );
+ }
+
+ /**
+ * Read an signed short.
+ *
+ * @return An signed short.
+ * @throws IOException If there is an error reading the data.
+ */
+ public short readSignedShort() throws IOException
+ {
+ return raf.readShort();
+ }
+
+ /**
+ * Get the current position in the stream.
+ * @return The current position in the stream.
+ * @throws IOException If an error occurs while reading the stream.
+ */
+ public long getCurrentPosition() throws IOException
+ {
+ return raf.getFilePointer();
+ }
+
+ /**
+ * Get a COSStream from this TTFDataStream
+ * This permit to pass the data read from an
+ * external source to the COSObjects to keep
+ * a certain persistence layer between specialized
+ * objects like the TTF package and the pdmodel package.
+ *
+ * Created by Pascal Allain
+ * Vertical7 Inc.
+ *
+ * @return COSStream describing this stream (unfiletred)
+ */
+ public PDStream getPDStream()
+ {
+ COSStream retval = null;
+
+ retval = new COSStream(raf);
+
+ return new PDStream( retval );
+ }
+
+ /**
+ * Close the underlying resources.
+ *
+ * @throws IOException If there is an error closing the resources.
+ */
+ public void close() throws IOException
+ {
+ raf.close();
+ raf = null;
+ }
+
+ /**
+ * Read an unsigned byte.
+ * @return An unsigned byte.
+ * @throws IOException If there is an error reading the data.
+ */
+ public int read() throws IOException
+ {
+ return raf.read();
+ }
+
+ /**
+ * Read an unsigned short.
+ *
+ * @return An unsigned short.
+ * @throws IOException If there is an error reading the data.
+ */
+ public int readUnsignedShort() throws IOException
+ {
+ return raf.readUnsignedShort();
+ }
+
+ /**
+ * Read an unsigned byte.
+ * @return An unsigned byte.
+ * @throws IOException If there is an error reading the data.
+ */
+ public long readLong() throws IOException
+ {
+ return raf.readLong();
+ }
+
+ /**
+ * Seek into the datasource.
+ *
+ * @param pos The position to seek to.
+ * @throws IOException If there is an error seeking to that position.
+ */
+ public void seek(long pos) throws IOException
+ {
+ raf.seek( pos );
+ }
+
+ /**
+ * @see java.io.InputStream#read( byte[], int, int )
+ *
+ * @param b The buffer to write to.
+ * @param off The offset into the buffer.
+ * @param len The length into the buffer.
+ *
+ * @return The number of bytes read.
+ *
+ * @throws IOException If there is an error reading from the stream.
+ */
+ public int read(byte[] b,
+ int off,
+ int len)
+ throws IOException
+ {
+ return raf.read(b,off,len);
+ }
+}
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