This decorator provides information about number of already written
bytes.
Signed-off-by: Marek Zawirski <marek.zawirski@xxxxxxxxx>
---
.../spearce/jgit/util/CountingOutputStream.java | 89 ++++++++++++++++++++
1 files changed, 89 insertions(+), 0 deletions(-)
create mode 100644 org.spearce.jgit/src/org/spearce/jgit/util/CountingOutputStream.java
diff --git a/org.spearce.jgit/src/org/spearce/jgit/util/CountingOutputStream.java b/org.spearce.jgit/src/org/spearce/jgit/util/CountingOutputStream.java
new file mode 100644
index 0000000..574bb96
--- /dev/null
+++ b/org.spearce.jgit/src/org/spearce/jgit/util/CountingOutputStream.java
@@ -0,0 +1,89 @@
+/*
+ * Copyright (C) 2008, Marek Zawirski <marek.zawirski@xxxxxxxxx>
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - 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.
+ *
+ * - Neither the name of the Git Development Community 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 COPYRIGHT OWNER 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.
+ */
+
+package org.spearce.jgit.util;
+
+import java.io.FilterOutputStream;
+import java.io.IOException;
+import java.io.OutputStream;
+
+/**
+ * Counting output stream decoration. Counts bytes written to stream.
+ */
+public class CountingOutputStream extends FilterOutputStream {
+
+ private int count;
+
+ /**
+ * Create counting stream being decorated to provided real output stream.
+ *
+ * @param out
+ * output stream where data should be written
+ */
+ public CountingOutputStream(OutputStream out) {
+ super(out);
+ }
+
+ @Override
+ public void write(int b) throws IOException {
+ out.write(b);
+ count++;
+ }
+
+ @Override
+ public void write(byte[] b, int off, int len) throws IOException {
+ out.write(b, off, len);
+ count += len;
+ }
+
+ /**
+ * Return number of already written bytes.
+ *
+ * @return number of written bytes since last reset (object is reset upon
+ * creation)
+ */
+ public int getCount() {
+ return count;
+ }
+
+ /**
+ * Reset counter to zero value.
+ */
+ public void reset() {
+ count = 0;
+ }
+}
--
1.5.5.1
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