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src/main/java/spring/ai/mcp/client/util/McpServerParameterParser.java

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+/*
+* Copyright 2024 - 2024 the original author or authors.
+*
+* Licensed 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
+*
+* https://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 spring.ai.mcp.client.util;
+
+import java.util.Map;
+
+import com.fasterxml.jackson.annotation.JsonInclude;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import spring.ai.mcp.client.util.McpServerParameterParser.McpServers.McpServer;
+
+/**
+ * @author Christian Tzolov
+ * @since 1.0.0
+ */
+
+public class McpServerParameterParser {
+
+	@JsonInclude(JsonInclude.Include.NON_ABSENT)
+	public record McpServers(// @formatter:off
+		@JsonProperty("mcpServers") Map<String, McpServer> mcpServers) {
+
+		@JsonInclude(JsonInclude.Include.NON_ABSENT)
+		public record McpServer(
+			@JsonProperty("command") String command,
+			@JsonProperty("args") String[] args,
+			@JsonProperty("env") Map<String, String> env) {
+		}
+	} // @formatter:on
+
+	public static void main(String[] args) throws Exception {
+		ObjectMapper objectMapper = new ObjectMapper();
+
+		// Assuming the JSON is in a file named "servers.json"
+		String jsonInput = """
+				{
+				  "mcpServers": {
+				    "filesystem": {
+				      "command": "npx",
+				      "args": ["-y", "@modelcontextprotocol/server-filesystem", "/path/to/allowed/files"]
+				    },
+				    "git": {
+				      "command": "uvx",
+				      "args": ["mcp-server-git", "--repository", "path/to/git/repo"]
+				    },
+				    "github": {
+				      "command": "npx",
+				      "args": ["-y", "@modelcontextprotocol/server-github"],
+				      "env": {
+				        "GITHUB_PERSONAL_ACCESS_TOKEN": "<YOUR_TOKEN>"
+				      }
+				    },
+				    "postgres": {
+				      "command": "npx",
+				      "args": ["-y", "@modelcontextprotocol/server-postgres", "postgresql://localhost/mydb"]
+				    }
+				  }
+				}
+								""";
+
+		// Deserialize JSON into McpServers
+		McpServers servers = objectMapper.readValue(jsonInput, McpServers.class);
+
+		// Access individual servers
+		for (Map.Entry<String, McpServer> entry : servers.mcpServers().entrySet()) {
+			System.out.println("Key: " + entry.getKey());
+			System.out.println("Command: " + entry.getValue().command());
+			System.out.println("Arguments: " + String.join(", ", entry.getValue().args()));
+			System.out.println("Environment Variables: " + entry.getValue().env());
+			System.out.println("-----------");
+		}
+	}
+
+}