From 124f869faae3a0f75a3825e6a8e195c17f3c626a Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <noreply@fakecake.org>
Date: Thu, 16 Oct 2014 23:34:20 +0400
Subject: initial for idea

---
 .../github/junrar/io/ReadOnlyAccessByteArray.java  | 90 ++++++++++++++++++++++
 1 file changed, 90 insertions(+)
 create mode 100644 org.fox.ttcomics/src/main/java/com/github/junrar/io/ReadOnlyAccessByteArray.java

(limited to 'org.fox.ttcomics/src/main/java/com/github/junrar/io/ReadOnlyAccessByteArray.java')

diff --git a/org.fox.ttcomics/src/main/java/com/github/junrar/io/ReadOnlyAccessByteArray.java b/org.fox.ttcomics/src/main/java/com/github/junrar/io/ReadOnlyAccessByteArray.java
new file mode 100644
index 0000000..bbdb687
--- /dev/null
+++ b/org.fox.ttcomics/src/main/java/com/github/junrar/io/ReadOnlyAccessByteArray.java
@@ -0,0 +1,90 @@
+/*
+ * Copyright (c) 2007 innoSysTec (R) GmbH, Germany. All rights reserved.
+ * Original author: Edmund Wagner
+ * Creation date: 30.05.2007
+ *
+ * Source: $HeadURL$
+ * Last changed: $LastChangedDate$
+ * 
+ * the unrar licence applies to all junrar source and binary distributions 
+ * you are not allowed to use this source to re-create the RAR compression algorithm
+ * 
+ * Here some html entities which can be used for escaping javadoc tags:
+ * "&":  "&#038;" or "&amp;"
+ * "<":  "&#060;" or "&lt;"
+ * ">":  "&#062;" or "&gt;"
+ * "@":  "&#064;" 
+ */
+package com.github.junrar.io;
+
+import java.io.EOFException;
+import java.io.IOException;
+
+/**
+ * A File like access to a byte array.
+ * (seek and read certain number of bytes)
+ *
+ * @author $LastChangedBy$
+ * @version $LastChangedRevision$
+ */
+public class ReadOnlyAccessByteArray implements IReadOnlyAccess{
+
+	private int positionInFile;
+	private byte[] file;
+	
+	/**
+	 * Initialize with byte[ ]
+	 * @param file the file given as byte array
+	 */
+	public ReadOnlyAccessByteArray(byte[] file){
+		if(file == null){
+			throw new NullPointerException("file must not be null!!");
+		}
+		this.file = file;
+		this.positionInFile = 0;
+	}
+
+    public long getPosition() throws IOException {
+		return positionInFile;
+	}
+
+	public void setPosition(long pos) throws IOException {
+		if (pos < file.length && pos >= 0){
+			this.positionInFile = (int)pos;
+		}
+        else{
+			throw new EOFException();
+		}
+	}
+
+    /** Read a single byte of data. */
+    public int read() throws IOException {
+        return file[positionInFile++];
+    }
+
+	/**
+     * Read up to <tt>count</tt> bytes to the specified buffer.
+     */
+    public int read(byte[] buffer, int off, int count) throws IOException {
+        int read = Math.min(count, file.length-positionInFile);
+        System.arraycopy(file, positionInFile, buffer, off, read);
+        positionInFile += read;
+        return read;
+    }
+
+	public int readFully(byte[] buffer, int count) throws IOException {
+		if(buffer == null ){
+			throw new NullPointerException("buffer must not be null");
+		}
+		if(count == 0){
+			throw new IllegalArgumentException("cannot read 0 bytes ;-)");
+		}
+		int read = Math.min(count, file.length-(int)positionInFile-1);	
+		System.arraycopy(file, (int)positionInFile, buffer, 0, read );
+		positionInFile+=read;
+		return read;
+	}
+
+    public void close() throws IOException {
+    }
+}
-- 
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