From d6531126cea206a1fa7ef4f6eb2299899a757d26 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=B6ren=20Henning?= <stu114708@informatik.uni-kiel.de>
Date: Tue, 29 Mar 2016 15:19:12 +0200
Subject: [PATCH] added IndentWriter
---
.../kieker/analysis/util/IndentWriter.java | 61 +++++++++++++++++++
1 file changed, 61 insertions(+)
create mode 100644 src/main/java/kieker/analysis/util/IndentWriter.java
diff --git a/src/main/java/kieker/analysis/util/IndentWriter.java b/src/main/java/kieker/analysis/util/IndentWriter.java
new file mode 100644
index 00000000..be9dd60c
--- /dev/null
+++ b/src/main/java/kieker/analysis/util/IndentWriter.java
@@ -0,0 +1,61 @@
+package kieker.analysis.util;
+
+import java.io.IOException;
+import java.io.Writer;
+
+public class IndentWriter extends Writer {
+
+ private final Writer writer;
+
+ private int indented = 0;
+ private char indentChar = DEFAULT_INDENT_CHAR;
+ private int indentLength = DEFAULT_INDENT_LENGTH;
+
+ public static final char DEFAULT_INDENT_CHAR = '\t';
+ public static final int DEFAULT_INDENT_LENGTH = 1;
+
+ public IndentWriter(final Writer writer) {
+ super();
+ this.writer = writer;
+ }
+
+ public IndentWriter(final Writer writer, final char indentChar, final int indentLength) {
+ this(writer);
+ this.indentChar = indentChar;
+ this.indentLength = indentLength;
+ }
+
+ public void indent() {
+ indented++;
+ }
+
+ public void unindent() {
+ if (indented > 0) {
+ indented--;
+ }
+ }
+
+ public void writeln(final String str) throws IOException {
+ writer.write(getIndentChars() + str + '\n');
+ }
+
+ private String getIndentChars() {
+ return new String(new char[indentLength]).replace('\0', indentChar);
+ }
+
+ @Override
+ public void write(final char[] cbuf, final int off, final int len) throws IOException {
+ writer.write(cbuf, off, len);
+ }
+
+ @Override
+ public void flush() throws IOException {
+ writer.flush();
+ }
+
+ @Override
+ public void close() throws IOException {
+ writer.close();
+ }
+
+}
--
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