Added redirect options

Author: NakulSabharwal

src/main/java/com/microsoft/graph/httpcore/middlewareoption/IShouldRedirect.java

@@ -0,0 +1,7 @@
+package com.microsoft.graph.httpcore.middlewareoption;
+
+import okhttp3.Response;
+
+public interface IShouldRedirect {
+	boolean shouldRedirect(final Response response);
+}

src/main/java/com/microsoft/graph/httpcore/middlewareoption/RedirectOptions.java

@@ -0,0 +1,52 @@
+package com.microsoft.graph.httpcore.middlewareoption;
+
+import okhttp3.Response;
+
+public class RedirectOptions implements IMiddlewareControl{
+	private int maxRedirects;
+	public static final int DEFAULT_MAX_REDIRECTS = 5;
+	public static final int MAX_REDIRECTS = 20;
+	
+	private IShouldRedirect shouldRedirect;
+	public static final IShouldRedirect DEFAULT_SHOULD_REDIRECT = new IShouldRedirect() {
+		@Override
+		public boolean shouldRedirect(Response response) {
+			return true;
+		}
+	}; 
+	
+	/*
+	 * Create default instance of redirect options, with default values of max redirects and should redirect
+	 */
+	public RedirectOptions() {
+		this(DEFAULT_MAX_REDIRECTS, DEFAULT_SHOULD_REDIRECT);
+	}
+	
+	/*
+	 * @param maxRedirects Max redirects to occur
+	 * @param shouldRedirect Should redirect callback called before every redirect
+	 */
+	public RedirectOptions(int maxRedirects, IShouldRedirect shouldRedirect) {
+		if(maxRedirects < 0)
+			throw new IllegalArgumentException("Max redirects cannot be negative");
+		if(maxRedirects > MAX_REDIRECTS)
+			throw new IllegalArgumentException("Max redirect cannot exceed " + MAX_REDIRECTS);
+		
+		this.maxRedirects = maxRedirects;
+		this.shouldRedirect = shouldRedirect != null ? shouldRedirect : DEFAULT_SHOULD_REDIRECT;
+	}
+	
+	/*
+	 * @return max redirects
+	 */
+	public int maxRedirects() {
+		return this.maxRedirects;
+	}
+	
+	/*
+	 * @return should redirect
+	 */
+	public IShouldRedirect shouldRedirect() {
+		return this.shouldRedirect;
+	}
+}