Github user ctubbsii commented on a diff in the pull request:
https://github.com/apache/accumulo/pull/289#discussion_r132055156
--- Diff:
server/monitor/src/main/java/org/apache/accumulo/monitor/util/ParameterValidator.java
---
@@ -0,0 +1,48 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.accumulo.monitor.util;
+
+import java.io.UnsupportedEncodingException;
+import java.net.URLEncoder;
+
+import org.apache.commons.lang.StringUtils;
+
+/**
+ * Simple utility class to validate Accumulo Monitor Query and Path
parameters
+ */
+public class ParameterValidator {
+
+ /**
+ * @param s
+ * String parameter to sanitize. Common usages are tableId,
type, tserverAddress
+ * @return URLEncoder encoded version of the passed in String parameter
+ * @throws UnsupportedEncodingException
+ * if the string cannot be encoded to UTF-8
+ */
+ public static String sanitizeParameter(String s) throws
UnsupportedEncodingException {
+ return StringUtils.isEmpty(s) ? StringUtils.EMPTY :
URLEncoder.encode(s, "UTF-8").trim();
+ }
+
+ public static String sanitizeParameter(String s, String defaultValue)
throws UnsupportedEncodingException {
--- End diff --
Is this method needed? It seems redundant with the default value annotation.
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