diff options
Diffstat (limited to 'org.fox.ttcomics/src/main/java/com/github/junrar/io/ReadOnlyAccessInputStream.java')
| -rw-r--r-- | org.fox.ttcomics/src/main/java/com/github/junrar/io/ReadOnlyAccessInputStream.java | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/org.fox.ttcomics/src/main/java/com/github/junrar/io/ReadOnlyAccessInputStream.java b/org.fox.ttcomics/src/main/java/com/github/junrar/io/ReadOnlyAccessInputStream.java new file mode 100644 index 0000000..80c022e --- /dev/null +++ b/org.fox.ttcomics/src/main/java/com/github/junrar/io/ReadOnlyAccessInputStream.java @@ -0,0 +1,81 @@ +/*
+ * Copyright (c) 2007 innoSysTec (R) GmbH, Germany. All rights reserved.
+ * Original author: Edmund Wagner
+ * Creation date: 26.06.2007
+ *
+ * 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:
+ * "&": "&" or "&"
+ * "<": "<" or "<"
+ * ">": ">" or ">"
+ * "@": "@"
+ */
+package com.github.junrar.io;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+/**
+ * DOCUMENT ME
+ *
+ * @author $LastChangedBy$
+ * @version $LastChangedRevision$
+ */
+public class ReadOnlyAccessInputStream extends InputStream {
+ private IReadOnlyAccess file;
+
+ private long curPos;
+ private final long startPos;
+ private final long endPos;
+
+ public ReadOnlyAccessInputStream(IReadOnlyAccess file, long startPos,
+ long endPos) throws IOException {
+ super();
+ this.file = file;
+ this.startPos = startPos;
+ curPos = startPos;
+ this.endPos = endPos;
+ file.setPosition(curPos);
+ }
+
+ @Override
+ public int read() throws IOException {
+ if (curPos == endPos) {
+ return -1;
+ }
+ else {
+ int b = file.read();
+ curPos++;
+ return b;
+ }
+ }
+
+ @Override
+ public int read(byte[] b, int off, int len) throws IOException {
+ if (len == 0) {
+ return 0;
+ }
+ if (curPos == endPos) {
+ return -1;
+ }
+ int bytesRead = file.read(b, off,
+ (int)Math.min(len, endPos - curPos));
+ curPos += bytesRead;
+ return bytesRead;
+ }
+
+ @Override
+ public int read(byte[] b) throws IOException {
+ return read(b, 0, b.length);
+ }
+//
+// public void close() throws IOException {
+// file.close();
+// }
+}
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