[New] Added RemoveCRFilterWriter for use in XML with Windows and CRLF

li.strolch.utils/src/main/java/li/strolch/utils/RemoveCRFilterWriter.java

@@ -0,0 +1,51 @@
+package li.strolch.utils;
+
+import java.io.FilterWriter;
+import java.io.IOException;
+import java.io.Writer;
+
+public class RemoveCRFilterWriter extends FilterWriter {
+
+	public RemoveCRFilterWriter(Writer wrappedWriter) {
+		super(wrappedWriter);
+	}
+
+	@Override
+	public void write(int c) throws IOException {
+		if (c != (int) ('\r')) {
+			super.write(c);
+		}
+	}
+
+	@Override
+	public void write(char[] cbuf, int offset, int length) throws IOException {
+		int localOffset = offset;
+		for (int i = localOffset; i < offset + length; ++i) {
+			if (cbuf[i] == '\r') {
+				if (i > localOffset) {
+					super.write(cbuf, localOffset, i - localOffset);
+				}
+				localOffset = i + 1;
+			}
+		}
+		if (localOffset < offset + length) {
+			super.write(cbuf, localOffset, offset + length - localOffset);
+		}
+	}
+
+	@Override
+	public void write(String str, int offset, int length) throws IOException {
+		int localOffset = offset;
+		for (int i = localOffset; i < offset + length; ++i) {
+			if (str.charAt(i) == '\r') {
+				if (i > localOffset) {
+					super.write(str, localOffset, i - localOffset);
+				}
+				localOffset = i + 1;
+			}
+		}
+		if (localOffset < offset + length) {
+			super.write(str, localOffset, offset + length - localOffset);
+		}
+	}
+}