diff options
Diffstat (limited to 'src/main/java/com/lowagie/text/pdf/RandomAccessFileOrArray.java')
| -rw-r--r-- | src/main/java/com/lowagie/text/pdf/RandomAccessFileOrArray.java | 609 |
1 files changed, 0 insertions, 609 deletions
diff --git a/src/main/java/com/lowagie/text/pdf/RandomAccessFileOrArray.java b/src/main/java/com/lowagie/text/pdf/RandomAccessFileOrArray.java deleted file mode 100644 index 212a6c8..0000000 --- a/src/main/java/com/lowagie/text/pdf/RandomAccessFileOrArray.java +++ /dev/null @@ -1,609 +0,0 @@ -/*
- * $Id: RandomAccessFileOrArray.java,v 1.49 2005/09/12 16:15:23 psoares33 Exp $
- * $Name: $
- *
- * Copyright 2001, 2002 Paulo Soares
- *
- * The contents of this file are subject to the Mozilla Public License Version 1.1
- * (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.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- * for the specific language governing rights and limitations under the License.
- *
- * The Original Code is 'iText, a free JAVA-PDF library'.
- *
- * The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
- * the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
- * All Rights Reserved.
- * Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
- * are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
- *
- * Contributor(s): all the names of the contributors are added in the source code
- * where applicable.
- *
- * Alternatively, the contents of this file may be used under the terms of the
- * LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
- * provisions of LGPL are applicable instead of those above. If you wish to
- * allow use of your version of this file only under the terms of the LGPL
- * License and not to allow others to use your version of this file under
- * the MPL, indicate your decision by deleting the provisions above and
- * replace them with the notice and other provisions required by the LGPL.
- * If you do not delete the provisions above, a recipient may use your version
- * of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
- *
- * This library is free software; you can redistribute it and/or modify it
- * under the terms of the MPL as stated above or under the terms of the GNU
- * Library General Public License as published by the Free Software Foundation;
- * either version 2 of the License, or any later version.
- *
- * This library is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
- * FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more
- * details.
- *
- * If you didn't download this code from the following link, you should check if
- * you aren't using an obsolete version:
- * http://www.lowagie.com/iText/
- */
-
-package com.lowagie.text.pdf;
-
-import java.io.DataInputStream;
-import java.io.DataInput;
-import java.io.FileInputStream;
-import java.io.IOException;
-import java.io.EOFException;
-import java.io.RandomAccessFile;
-import java.io.File;
-import java.io.InputStream;
-import java.io.ByteArrayOutputStream;
-import java.net.URL;
-/** An implementation of a RandomAccessFile for input only
- * that accepts a file or a byte array as data source.
- *
- * @author Paulo Soares (psoares@consiste.pt)
- */
-public class RandomAccessFileOrArray implements DataInput {
-
- RandomAccessFile rf;
- String filename;
- byte arrayIn[];
- int arrayInPtr;
- byte back;
- boolean isBack = false;
-
- /** Holds value of property startOffset. */
- private int startOffset = 0;
-
- public RandomAccessFileOrArray(String filename) throws IOException {
- this(filename, false);
- }
-
- public RandomAccessFileOrArray(String filename, boolean forceRead) throws IOException {
- File file = new File(filename);
- if (!file.canRead()) {
- if (filename.startsWith("file:/") || filename.startsWith("http://") || filename.startsWith("https://") || filename.startsWith("jar:")) {
- InputStream is = new URL(filename).openStream();
- try {
- this.arrayIn = InputStreamToArray(is);
- return;
- }
- finally {
- try {is.close();}catch(IOException ioe){}
- }
- }
- else {
- InputStream is = BaseFont.getResourceStream(filename);
- if (is == null)
- throw new IOException(filename + " not found as file or resource.");
- try {
- this.arrayIn = InputStreamToArray(is);
- return;
- }
- finally {
- try {is.close();}catch(IOException ioe){}
- }
- }
- }
- else if (forceRead) {
- InputStream s = null;
- try {
- s = new FileInputStream(file);
- this.arrayIn = InputStreamToArray(s);
- }
- finally {
- try {s.close();}catch(Exception e){}
- }
- return;
- }
- this.filename = filename;
- rf = new RandomAccessFile(filename, "r");
- }
-
- public RandomAccessFileOrArray(URL url) throws IOException {
- InputStream is = url.openStream();
- try {
- this.arrayIn = InputStreamToArray(is);
- }
- finally {
- try {is.close();}catch(IOException ioe){}
- }
- }
-
- public RandomAccessFileOrArray(InputStream is) throws IOException {
- this.arrayIn = InputStreamToArray(is);
- }
-
- public static byte[] InputStreamToArray(InputStream is) throws IOException {
- byte b[] = new byte[8192];
- ByteArrayOutputStream out = new ByteArrayOutputStream();
- while (true) {
- int read = is.read(b);
- if (read < 1)
- break;
- out.write(b, 0, read);
- }
- return out.toByteArray();
- }
-
- public RandomAccessFileOrArray(byte arrayIn[]) {
- this.arrayIn = arrayIn;
- }
-
- public RandomAccessFileOrArray(RandomAccessFileOrArray file) {
- filename = file.filename;
- arrayIn = file.arrayIn;
- startOffset = file.startOffset;
- }
-
- public void pushBack(byte b) {
- back = b;
- isBack = true;
- }
-
- public int read() throws IOException {
- if(isBack) {
- isBack = false;
- return back & 0xff;
- }
- if (arrayIn == null)
- return rf.read();
- else {
- if (arrayInPtr >= arrayIn.length)
- return -1;
- return arrayIn[arrayInPtr++] & 0xff;
- }
- }
-
- public int read(byte[] b, int off, int len) throws IOException {
- if (len == 0)
- return 0;
- int n = 0;
- if (isBack) {
- isBack = false;
- if (len == 1) {
- b[off] = back;
- return 1;
- }
- else {
- n = 1;
- b[off++] = back;
- --len;
- }
- }
- if (arrayIn == null) {
- return rf.read(b, off, len) + n;
- }
- else {
- if (arrayInPtr >= arrayIn.length)
- return -1;
- if (arrayInPtr + len > arrayIn.length)
- len = arrayIn.length - arrayInPtr;
- System.arraycopy(arrayIn, arrayInPtr, b, off, len);
- arrayInPtr += len;
- return len + n;
- }
- }
-
- public int read(byte b[]) throws IOException {
- return read(b, 0, b.length);
- }
-
- public void readFully(byte b[]) throws IOException {
- readFully(b, 0, b.length);
- }
-
- public void readFully(byte b[], int off, int len) throws IOException {
- int n = 0;
- do {
- int count = read(b, off + n, len - n);
- if (count < 0)
- throw new EOFException();
- n += count;
- } while (n < len);
- }
-
- public long skip(long n) throws IOException {
- return skipBytes((int)n);
- }
-
- public int skipBytes(int n) throws IOException {
- if (n <= 0) {
- return 0;
- }
- int adj = 0;
- if (isBack) {
- isBack = false;
- if (n == 1) {
- return 1;
- }
- else {
- --n;
- adj = 1;
- }
- }
- int pos;
- int len;
- int newpos;
-
- pos = getFilePointer();
- len = length();
- newpos = pos + n;
- if (newpos > len) {
- newpos = len;
- }
- seek(newpos);
-
- /* return the actual number of bytes skipped */
- return newpos - pos + adj;
- }
-
- public void reOpen() throws IOException {
- if (filename != null && rf == null)
- rf = new RandomAccessFile(filename, "r");
- seek(0);
- }
-
- protected void insureOpen() throws IOException {
- if (filename != null && rf == null) {
- reOpen();
- }
- }
-
- public boolean isOpen() {
- return (filename == null || rf != null);
- }
-
- public void close() throws IOException {
- isBack = false;
- if (rf != null) {
- rf.close();
- rf = null;
- }
- }
-
- public int length() throws IOException {
- if (arrayIn == null) {
- insureOpen();
- return (int)rf.length() - startOffset;
- }
- else
- return arrayIn.length - startOffset;
- }
-
- public void seek(int pos) throws IOException {
- pos += startOffset;
- isBack = false;
- if (arrayIn == null) {
- insureOpen();
- rf.seek(pos);
- }
- else
- arrayInPtr = pos;
- }
-
- public void seek(long pos) throws IOException {
- seek((int)pos);
- }
-
- public int getFilePointer() throws IOException {
- insureOpen();
- int n = isBack ? 1 : 0;
- if (arrayIn == null) {
- return (int)rf.getFilePointer() - n - startOffset;
- }
- else
- return arrayInPtr - n - startOffset;
- }
-
- public boolean readBoolean() throws IOException {
- int ch = this.read();
- if (ch < 0)
- throw new EOFException();
- return (ch != 0);
- }
-
- public byte readByte() throws IOException {
- int ch = this.read();
- if (ch < 0)
- throw new EOFException();
- return (byte)(ch);
- }
-
- public int readUnsignedByte() throws IOException {
- int ch = this.read();
- if (ch < 0)
- throw new EOFException();
- return ch;
- }
-
- public short readShort() throws IOException {
- int ch1 = this.read();
- int ch2 = this.read();
- if ((ch1 | ch2) < 0)
- throw new EOFException();
- return (short)((ch1 << 8) + ch2);
- }
-
- /**
- * Reads a signed 16-bit number from this stream in little-endian order.
- * The method reads two
- * bytes from this stream, starting at the current stream pointer.
- * If the two bytes read, in order, are
- * <code>b1</code> and <code>b2</code>, where each of the two values is
- * between <code>0</code> and <code>255</code>, inclusive, then the
- * result is equal to:
- * <blockquote><pre>
- * (short)((b2 << 8) | b1)
- * </pre></blockquote>
- * <p>
- * This method blocks until the two bytes are read, the end of the
- * stream is detected, or an exception is thrown.
- *
- * @return the next two bytes of this stream, interpreted as a signed
- * 16-bit number.
- * @exception EOFException if this stream reaches the end before reading
- * two bytes.
- * @exception IOException if an I/O error occurs.
- */
- public final short readShortLE() throws IOException {
- int ch1 = this.read();
- int ch2 = this.read();
- if ((ch1 | ch2) < 0)
- throw new EOFException();
- return (short)((ch2 << 8) + (ch1 << 0));
- }
-
- public int readUnsignedShort() throws IOException {
- int ch1 = this.read();
- int ch2 = this.read();
- if ((ch1 | ch2) < 0)
- throw new EOFException();
- return (ch1 << 8) + ch2;
- }
-
- /**
- * Reads an unsigned 16-bit number from this stream in little-endian order.
- * This method reads
- * two bytes from the stream, starting at the current stream pointer.
- * If the bytes read, in order, are
- * <code>b1</code> and <code>b2</code>, where
- * <code>0 <= b1, b2 <= 255</code>,
- * then the result is equal to:
- * <blockquote><pre>
- * (b2 << 8) | b1
- * </pre></blockquote>
- * <p>
- * This method blocks until the two bytes are read, the end of the
- * stream is detected, or an exception is thrown.
- *
- * @return the next two bytes of this stream, interpreted as an
- * unsigned 16-bit integer.
- * @exception EOFException if this stream reaches the end before reading
- * two bytes.
- * @exception IOException if an I/O error occurs.
- */
- public final int readUnsignedShortLE() throws IOException {
- int ch1 = this.read();
- int ch2 = this.read();
- if ((ch1 | ch2) < 0)
- throw new EOFException();
- return (ch2 << 8) + (ch1 << 0);
- }
-
- public char readChar() throws IOException {
- int ch1 = this.read();
- int ch2 = this.read();
- if ((ch1 | ch2) < 0)
- throw new EOFException();
- return (char)((ch1 << 8) + ch2);
- }
-
- /**
- * Reads a Unicode character from this stream in little-endian order.
- * This method reads two
- * bytes from the stream, starting at the current stream pointer.
- * If the bytes read, in order, are
- * <code>b1</code> and <code>b2</code>, where
- * <code>0 <= b1, b2 <= 255</code>,
- * then the result is equal to:
- * <blockquote><pre>
- * (char)((b2 << 8) | b1)
- * </pre></blockquote>
- * <p>
- * This method blocks until the two bytes are read, the end of the
- * stream is detected, or an exception is thrown.
- *
- * @return the next two bytes of this stream as a Unicode character.
- * @exception EOFException if this stream reaches the end before reading
- * two bytes.
- * @exception IOException if an I/O error occurs.
- */
- public final char readCharLE() throws IOException {
- int ch1 = this.read();
- int ch2 = this.read();
- if ((ch1 | ch2) < 0)
- throw new EOFException();
- return (char)((ch2 << 8) + (ch1 << 0));
- }
-
- public int readInt() throws IOException {
- int ch1 = this.read();
- int ch2 = this.read();
- int ch3 = this.read();
- int ch4 = this.read();
- if ((ch1 | ch2 | ch3 | ch4) < 0)
- throw new EOFException();
- return ((ch1 << 24) + (ch2 << 16) + (ch3 << 8) + ch4);
- }
-
- /**
- * Reads a signed 32-bit integer from this stream in little-endian order.
- * This method reads 4
- * bytes from the stream, starting at the current stream pointer.
- * If the bytes read, in order, are <code>b1</code>,
- * <code>b2</code>, <code>b3</code>, and <code>b4</code>, where
- * <code>0 <= b1, b2, b3, b4 <= 255</code>,
- * then the result is equal to:
- * <blockquote><pre>
- * (b4 << 24) | (b3 << 16) + (b2 << 8) + b1
- * </pre></blockquote>
- * <p>
- * This method blocks until the four bytes are read, the end of the
- * stream is detected, or an exception is thrown.
- *
- * @return the next four bytes of this stream, interpreted as an
- * <code>int</code>.
- * @exception EOFException if this stream reaches the end before reading
- * four bytes.
- * @exception IOException if an I/O error occurs.
- */
- public final int readIntLE() throws IOException {
- int ch1 = this.read();
- int ch2 = this.read();
- int ch3 = this.read();
- int ch4 = this.read();
- if ((ch1 | ch2 | ch3 | ch4) < 0)
- throw new EOFException();
- return ((ch4 << 24) + (ch3 << 16) + (ch2 << 8) + (ch1 << 0));
- }
-
- /**
- * Reads an unsigned 32-bit integer from this stream. This method reads 4
- * bytes from the stream, starting at the current stream pointer.
- * If the bytes read, in order, are <code>b1</code>,
- * <code>b2</code>, <code>b3</code>, and <code>b4</code>, where
- * <code>0 <= b1, b2, b3, b4 <= 255</code>,
- * then the result is equal to:
- * <blockquote><pre>
- * (b1 << 24) | (b2 << 16) + (b3 << 8) + b4
- * </pre></blockquote>
- * <p>
- * This method blocks until the four bytes are read, the end of the
- * stream is detected, or an exception is thrown.
- *
- * @return the next four bytes of this stream, interpreted as a
- * <code>long</code>.
- * @exception EOFException if this stream reaches the end before reading
- * four bytes.
- * @exception IOException if an I/O error occurs.
- */
- public final long readUnsignedInt() throws IOException {
- long ch1 = this.read();
- long ch2 = this.read();
- long ch3 = this.read();
- long ch4 = this.read();
- if ((ch1 | ch2 | ch3 | ch4) < 0)
- throw new EOFException();
- return ((ch1 << 24) + (ch2 << 16) + (ch3 << 8) + (ch4 << 0));
- }
-
- public final long readUnsignedIntLE() throws IOException {
- long ch1 = this.read();
- long ch2 = this.read();
- long ch3 = this.read();
- long ch4 = this.read();
- if ((ch1 | ch2 | ch3 | ch4) < 0)
- throw new EOFException();
- return ((ch4 << 24) + (ch3 << 16) + (ch2 << 8) + (ch1 << 0));
- }
-
- public long readLong() throws IOException {
- return ((long)(readInt()) << 32) + (readInt() & 0xFFFFFFFFL);
- }
-
- public final long readLongLE() throws IOException {
- int i1 = readIntLE();
- int i2 = readIntLE();
- return ((long)i2 << 32) + (i1 & 0xFFFFFFFFL);
- }
-
- public float readFloat() throws IOException {
- return Float.intBitsToFloat(readInt());
- }
-
- public final float readFloatLE() throws IOException {
- return Float.intBitsToFloat(readIntLE());
- }
-
- public double readDouble() throws IOException {
- return Double.longBitsToDouble(readLong());
- }
-
- public final double readDoubleLE() throws IOException {
- return Double.longBitsToDouble(readLongLE());
- }
-
- public String readLine() throws IOException {
- StringBuffer input = new StringBuffer();
- int c = -1;
- boolean eol = false;
-
- while (!eol) {
- switch (c = read()) {
- case -1:
- case '\n':
- eol = true;
- break;
- case '\r':
- eol = true;
- int cur = getFilePointer();
- if ((read()) != '\n') {
- seek(cur);
- }
- break;
- default:
- input.append((char)c);
- break;
- }
- }
-
- if ((c == -1) && (input.length() == 0)) {
- return null;
- }
- return input.toString();
- }
-
- public String readUTF() throws IOException {
- return DataInputStream.readUTF(this);
- }
-
- /** Getter for property startOffset.
- * @return Value of property startOffset.
- *
- */
- public int getStartOffset() {
- return this.startOffset;
- }
-
- /** Setter for property startOffset.
- * @param startOffset New value of property startOffset.
- *
- */
- public void setStartOffset(int startOffset) {
- this.startOffset = startOffset;
- }
-
-}
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