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source/third_party/rocketmq-client-cpp-2.2.0-source-release/src/common/Validators.cpp

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+/*
+ * 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.
+ */
+#include "Validators.h"
+#include <stdio.h>
+#include <stdlib.h>
+namespace rocketmq {
+
+const string Validators::validPatternStr = "^[a-zA-Z0-9_-]+$";
+const int Validators::CHARACTER_MAX_LENGTH = 255;
+//<!***************************************************************************
+bool Validators::regularExpressionMatcher(const string& origin, const string& patternStr) {
+  if (UtilAll::isBlank(origin)) {
+    return false;
+  }
+
+  if (UtilAll::isBlank(patternStr)) {
+    return true;
+  }
+
+  // Pattern pattern = Pattern.compile(patternStr);
+  // Matcher matcher = pattern.matcher(origin);
+
+  // return matcher.matches();
+  return true;
+}
+
+string Validators::getGroupWithRegularExpression(const string& origin, const string& patternStr) {
+  /*Pattern pattern = Pattern.compile(patternStr);
+  Matcher matcher = pattern.matcher(origin);
+  while (matcher.find()) {
+  return matcher.group(0);
+  }*/
+  return "";
+}
+
+void Validators::checkTopic(const string& topic) {
+  if (UtilAll::isBlank(topic)) {
+    THROW_MQEXCEPTION(MQClientException, "the specified topic is blank", -1);
+  }
+
+  if ((int)topic.length() > CHARACTER_MAX_LENGTH) {
+    THROW_MQEXCEPTION(MQClientException, "the specified topic is longer than topic max length 255.", -1);
+  }
+
+  if (topic == DEFAULT_TOPIC) {
+    THROW_MQEXCEPTION(MQClientException, "the topic[" + topic + "] is conflict with default topic.", -1);
+  }
+
+  if (!regularExpressionMatcher(topic, validPatternStr)) {
+    string str;
+    str = "the specified topic[" + topic + "] contains illegal characters, allowing only" + validPatternStr;
+
+    THROW_MQEXCEPTION(MQClientException, str.c_str(), -1);
+  }
+}
+
+void Validators::checkGroup(const string& group) {
+  if (UtilAll::isBlank(group)) {
+    THROW_MQEXCEPTION(MQClientException, "the specified group is blank", -1);
+  }
+
+  if (!regularExpressionMatcher(group, validPatternStr)) {
+    string str;
+    str = "the specified group[" + group + "] contains illegal characters, allowing only" + validPatternStr;
+
+    THROW_MQEXCEPTION(MQClientException, str.c_str(), -1);
+  }
+  if ((int)group.length() > CHARACTER_MAX_LENGTH) {
+    THROW_MQEXCEPTION(MQClientException, "the specified group is longer than group max length 255.", -1);
+  }
+}
+
+void Validators::checkMessage(const MQMessage& msg, int maxMessageSize) {
+  checkTopic(msg.getTopic());
+
+  string body = msg.getBody();
+  //<!body;
+  if (body.empty()) {
+    THROW_MQEXCEPTION(MQClientException, "the message body is empty", -1);
+  }
+
+  if ((int)body.length() > maxMessageSize) {
+    char info[256];
+    sprintf(info, "the message body size over max value, MAX: %d", maxMessageSize);
+    THROW_MQEXCEPTION(MQClientException, info, -1);
+  }
+}
+
+//<!***************************************************************************
+}  // namespace rocketmq