Add "foldLines" method to chaining API

src/main/java/ezvcard/io/chain/ChainingTextWriter.java

@@ -52,6 +52,7 @@ public class ChainingTextWriter extends ChainingWriter<ChainingTextWriter> {
 	private VCardVersion version;
 	private boolean caretEncoding = false;
 	private Boolean includeTrailingSemicolons;
+	private boolean foldLines = true;
 	private TargetApplication targetApplication;
 
 	/**
@@ -116,6 +117,25 @@ public ChainingTextWriter includeTrailingSemicolons(Boolean include) {
 		return this;
 	}
 
+	/**
+	 * <p>
+	 * Sets whether to fold long lines. Line folding is when long lines are
+	 * split up into multiple lines. No data is lost or changed when a line is
+	 * folded.
+	 * </p>
+	 * <p>
+	 * Line folding is enabled by default. If the vCard consumer is not parsing
+	 * your vCards properly, disabling line folding may help.
+	 * </p>
+	 * @param foldLines true to enable line folding, false to disable it
+	 * (defaults to true)
+	 * @return this
+	 */
+	public ChainingTextWriter foldLines(boolean foldLines) {
+		this.foldLines = foldLines;
+		return this;
+	}
+
 	/**
 	 * <p>
 	 * Sets the application that the vCards will be targeted for.
@@ -213,6 +233,9 @@ private void go(VCardWriter writer) throws IOException {
 		writer.setCaretEncodingEnabled(caretEncoding);
 		writer.setVersionStrict(versionStrict);
 		writer.setIncludeTrailingSemicolons(includeTrailingSemicolons);
+		if (!foldLines) {
+			writer.getVObjectWriter().getFoldedLineWriter().setLineLength(null);
+		}
 		writer.setTargetApplication(targetApplication);
 		if (index != null) {
 			writer.setScribeIndex(index);

src/test/java/ezvcard/EzvcardTest.java

@@ -474,6 +474,22 @@ public void write_caretEncoding() throws Exception {
 		}
 	}
 
+	@Test
+	public void write_foldLines() throws Exception {
+		VCard vcard = new VCard();
+		vcard.addNote("In the beginning God created the heavens and the earth. Now the earth was formless and empty, darkness was over the surface of the deep, and the Spirit of God was hovering over the waters.");
+
+		//default should be "true"
+		String actual = Ezvcard.write(vcard).go();
+		assertTrue(actual.contains("\r\nNOTE:In the beginning God created the heavens and the earth. Now the earth \r\n was formless and empty\\, darkness was over the surface of the deep\\, and t\r\n he Spirit of God was hovering over the waters."));
+
+		actual = Ezvcard.write(vcard).foldLines(false).go();
+		assertTrue(actual.contains("\r\nNOTE:In the beginning God created the heavens and the earth. Now the earth was formless and empty\\, darkness was over the surface of the deep\\, and the Spirit of God was hovering over the waters."));
+
+		actual = Ezvcard.write(vcard).foldLines(true).go();
+		assertTrue(actual.contains("\r\nNOTE:In the beginning God created the heavens and the earth. Now the earth \r\n was formless and empty\\, darkness was over the surface of the deep\\, and t\r\n he Spirit of God was hovering over the waters."));
+	}
+
 	@Test
 	public void write_versionStrict() throws Exception {
 		VCard vcard = new VCard();