新增json参数转换

hsweb-starter/hsweb-spring-boot-starter/src/main/java/org/hswebframework/web/starter/resolver/JsonParam.java

@@ -0,0 +1,29 @@
+/*
+ * Copyright 2016 http://www.hswebframework.org
+ *
+ * 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
+ *
+ *       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.hswebframework.web.starter.resolver;
+
+import java.lang.annotation.*;
+
+@Target(ElementType.PARAMETER)
+@Retention(RetentionPolicy.RUNTIME)
+@Documented
+public @interface JsonParam {
+    String value();
+
+    Class<?> type() default Void.class;
+}

hsweb-starter/hsweb-spring-boot-starter/src/main/java/org/hswebframework/web/starter/resolver/JsonParamResolver.java

@@ -0,0 +1,55 @@
+/*
+ * Copyright 2016 http://www.hswebframework.org
+ *
+ * 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
+ *
+ *       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.hswebframework.web.starter.resolver;
+
+import org.hswebframework.web.starter.convert.FastJsonHttpMessageConverter;
+import org.springframework.core.MethodParameter;
+import org.springframework.web.bind.support.WebDataBinderFactory;
+import org.springframework.web.context.request.NativeWebRequest;
+import org.springframework.web.method.support.HandlerMethodArgumentResolver;
+import org.springframework.web.method.support.ModelAndViewContainer;
+
+/**
+ * TODO 完成注释
+ *
+ * @author zhouhao
+ */
+public class JsonParamResolver implements HandlerMethodArgumentResolver {
+
+    private FastJsonHttpMessageConverter fastJsonHttpMessageConverter;
+
+    @Override
+    public boolean supportsParameter(MethodParameter parameter) {
+        return parameter.hasParameterAnnotation(JsonParam.class) && fastJsonHttpMessageConverter != null;
+    }
+
+    @Override
+    public Object resolveArgument(MethodParameter parameter, ModelAndViewContainer mavContainer, NativeWebRequest webRequest, WebDataBinderFactory binderFactory) throws Exception {
+        JsonParam jsonParam = parameter.getParameterAnnotation(JsonParam.class);
+        String object = webRequest.getParameter(jsonParam.value());
+        if (null != object) {
+            Class type = jsonParam.type() != Void.class ? jsonParam.type() : parameter.getParameterType();
+            return fastJsonHttpMessageConverter.readByString(type, object);
+        }
+        return null;
+    }
+
+    public void setFastJsonHttpMessageConverter(FastJsonHttpMessageConverter fastJsonHttpMessageConverter) {
+        this.fastJsonHttpMessageConverter = fastJsonHttpMessageConverter;
+    }
+}