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Move mcp-json into mcp-core, add OSGi support

Browse source 
Co-authored-by: Luca Chang <131398524+LucaButBoring@users.noreply.github.com>
Signed-off-by: Daniel Garnier-Moiroux <git@garnier.wf>
This commit is contained in:
Scott Lewis 2026-01-28 15:43:23 -08:00 • committed by Daniel Garnier-Moiroux
commit c3b9ab09ea
4 changed files with 368 additions and 353 deletions
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6
mcp-spring/mcp-spring-webmvc/src/main/java/io/modelcontextprotocol/server/transport/WebMvcSseServerTransportProvider.java
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@ -12,6 +12,7 @@ import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.locks.ReentrantLock;
import io.modelcontextprotocol.common.McpTransportContext;
import io.modelcontextprotocol.json.McpJsonDefaults;
import io.modelcontextprotocol.json.McpJsonMapper;
import io.modelcontextprotocol.json.TypeRef;
import io.modelcontextprotocol.server.McpTransportContextExtractor;
@ -599,8 +600,9 @@ public class WebMvcSseServerTransportProvider implements McpServerTransportProvi
if (messageEndpoint == null) {
throw new IllegalStateException("MessageEndpoint must be set");
}
return new WebMvcSseServerTransportProvider(jsonMapper == null ? McpJsonMapper.getDefault() : jsonMapper,
baseUrl, messageEndpoint, sseEndpoint, keepAliveInterval, contextExtractor, securityValidator);
return new WebMvcSseServerTransportProvider(
jsonMapper == null ? McpJsonDefaults.getDefaultMcpJsonMapper() : jsonMapper, baseUrl,
messageEndpoint, sseEndpoint, keepAliveInterval, contextExtractor, securityValidator);
}
}

6
mcp-spring/mcp-spring-webmvc/src/main/java/io/modelcontextprotocol/server/transport/WebMvcStatelessServerTransport.java
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@ -5,6 +5,7 @@
package io.modelcontextprotocol.server.transport;
import io.modelcontextprotocol.common.McpTransportContext;
import io.modelcontextprotocol.json.McpJsonDefaults;
import io.modelcontextprotocol.json.McpJsonMapper;
import io.modelcontextprotocol.server.McpStatelessServerHandler;
import io.modelcontextprotocol.server.McpTransportContextExtractor;
@ -263,8 +264,9 @@ public class WebMvcStatelessServerTransport implements McpStatelessServerTranspo
*/
public WebMvcStatelessServerTransport build() {
Assert.notNull(mcpEndpoint, "Message endpoint must be set");
return new WebMvcStatelessServerTransport(jsonMapper == null ? McpJsonMapper.getDefault() : jsonMapper,
mcpEndpoint, contextExtractor, securityValidator);
return new WebMvcStatelessServerTransport(
jsonMapper == null ? McpJsonDefaults.getDefaultMcpJsonMapper() : jsonMapper, mcpEndpoint,
contextExtractor, securityValidator);
}
}

7
mcp-spring/mcp-spring-webmvc/src/main/java/io/modelcontextprotocol/server/transport/WebMvcStreamableServerTransportProvider.java
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@ -11,6 +11,7 @@ import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.locks.ReentrantLock;
import io.modelcontextprotocol.json.McpJsonDefaults;
import io.modelcontextprotocol.json.McpJsonMapper;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@ -112,8 +113,6 @@ public class WebMvcStreamableServerTransportProvider implements McpStreamableSer
* Constructs a new WebMvcStreamableServerTransportProvider instance.
* @param jsonMapper The McpJsonMapper to use for JSON serialization/deserialization
* of messages.
* @param baseUrl The base URL for the message endpoint, used to construct the full
* endpoint URL for clients.
* @param mcpEndpoint The endpoint URI where clients should send their JSON-RPC
* messages via HTTP. This endpoint will handle GET, POST, and DELETE requests.
* @param disallowDelete Whether to disallow DELETE requests on the endpoint.
@ -732,8 +731,8 @@ public class WebMvcStreamableServerTransportProvider implements McpStreamableSer
public WebMvcStreamableServerTransportProvider build() {
Assert.notNull(this.mcpEndpoint, "MCP endpoint must be set");
return new WebMvcStreamableServerTransportProvider(
jsonMapper == null ? McpJsonMapper.getDefault() : jsonMapper, mcpEndpoint, disallowDelete,
contextExtractor, keepAliveInterval, securityValidator);
jsonMapper == null ? McpJsonDefaults.getDefaultMcpJsonMapper() : jsonMapper, mcpEndpoint,
disallowDelete, contextExtractor, keepAliveInterval, securityValidator);
}
}

3
mcp-spring/mcp-spring-webmvc/src/test/java/io/modelcontextprotocol/server/transport/WebMvcSseServerTransportProviderTests.java
View file

@ -7,6 +7,7 @@ package io.modelcontextprotocol.server.transport;
import io.modelcontextprotocol.client.McpClient;
import io.modelcontextprotocol.client.transport.HttpClientSseClientTransport;
import io.modelcontextprotocol.common.McpTransportContext;
import io.modelcontextprotocol.json.McpJsonDefaults;
import io.modelcontextprotocol.json.McpJsonMapper;
import io.modelcontextprotocol.server.McpServer;
import io.modelcontextprotocol.server.TestUtil;
@ -104,7 +105,7 @@ class WebMvcSseServerTransportProviderTests {
.baseUrl("http://localhost:" + PORT + "/")
.messageEndpoint(MESSAGE_ENDPOINT)
.sseEndpoint(WebMvcSseServerTransportProvider.DEFAULT_SSE_ENDPOINT)
.jsonMapper(McpJsonMapper.getDefault())
.jsonMapper(McpJsonDefaults.getDefaultMcpJsonMapper())
.contextExtractor(req -> McpTransportContext.EMPTY)
.build();
}