[JGIT PATCH 4/5] Prepare RawText for diff-index and diff-files
From: Johannes Schindelin <hidden>
Date: 2016-06-15 22:47:21
Subsystem:
the rest · Maintainer:
Linus Torvalds
Signed-off-by: Johannes Schindelin <redacted> --- .../src/org/spearce/jgit/diff/RawText.java | 28 +++++++++++++++++++- 1 files changed, 27 insertions(+), 1 deletions(-)
diff --git a/org.spearce.jgit/src/org/spearce/jgit/diff/RawText.java b/org.spearce.jgit/src/org/spearce/jgit/diff/RawText.java
index 9886d36..15d1c12 100644
--- a/org.spearce.jgit/src/org/spearce/jgit/diff/RawText.java
+++ b/org.spearce.jgit/src/org/spearce/jgit/diff/RawText.java@@ -38,6 +38,8 @@ package org.spearce.jgit.diff; +import java.io.File; +import java.io.FileInputStream; import java.io.IOException; import java.io.OutputStream;
@@ -81,6 +83,18 @@ public RawText(final byte[] input) { hashes = computeHashes(); } + /** + * Create a new sequence from a file. + * <p> + * The entire file contents are used. + * + * @param file + * the text file. + */ + public RawText(File file) throws IOException { + this(readFile(file)); + } + public int size() { // The line map is always 2 entries larger than the number of lines in // the file. Index 0 is padded out/unused. The last index is the total
@@ -181,4 +195,16 @@ protected int hashLine(final byte[] raw, int ptr, final int end) { hash = (hash << 5) ^ (raw[ptr] & 0xff); return hash; } -}
\ No newline at end of file
+
+ private static byte[] readFile(File file) throws IOException {
+ byte[] result = new byte[(int)file.length()];
+ FileInputStream in = new FileInputStream(file);
+ for (int off = 0; off < result.length; ) {
+ int read = in.read(result, off, result.length - off);
+ if (read < 0)
+ throw new IOException("Early EOF");
+ off += read;
+ }
+ return result;
+ }
+}
--
1.6.4.297.gcb4cc