| /* |
| * 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.axis2.json.moshi.rpc; |
| |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.commons.logging.Log; |
| |
| import com.squareup.moshi.JsonAdapter; |
| import com.squareup.moshi.JsonReader; |
| import com.squareup.moshi.JsonWriter; |
| import com.squareup.moshi.Moshi; |
| import com.squareup.moshi.Types; |
| import com.squareup.moshi.adapters.Rfc3339DateJsonAdapter; |
| |
| import java.io.IOException; |
| import java.lang.annotation.Annotation; |
| import java.lang.reflect.InvocationTargetException; |
| import java.lang.reflect.Method; |
| import java.lang.reflect.Type; |
| import java.util.Arrays; |
| import java.util.Date; |
| import java.util.Map; |
| import java.util.Set; |
| import javax.annotation.Nullable; |
| |
| |
| public class JsonUtils { |
| |
| private static final Log log = LogFactory.getLog(JsonUtils.class); |
| |
| public static Object invokeServiceClass(JsonReader jsonReader, |
| Object service, |
| Method operation , |
| Class[] paramClasses , |
| int paramCount ) throws InvocationTargetException, |
| IllegalAccessException, IOException { |
| |
| Object[] methodParam = new Object[paramCount]; |
| try { |
| // define custom Moshi adapter so Json numbers become Java Long and Double |
| JsonAdapter.Factory objectFactory = |
| new JsonAdapter.Factory() { |
| @Override |
| public @Nullable JsonAdapter<?> create( |
| Type type, Set<? extends Annotation> annotations, Moshi moshi) { |
| if (type != Object.class) return null; |
| |
| final JsonAdapter<Object> delegate = moshi.nextAdapter(this, Object.class, annotations); |
| return new JsonAdapter<Object>() { |
| @Override |
| public @Nullable Object fromJson(JsonReader reader) throws IOException { |
| if (reader.peek() != JsonReader.Token.NUMBER) { |
| return delegate.fromJson(reader); |
| } else { |
| String n = reader.nextString(); |
| if (n.indexOf('.') != -1) { |
| return Double.parseDouble(n); |
| } |
| |
| try{ |
| Long longValue = Long.parseLong(n); |
| return longValue; |
| }catch(Exception e){ |
| } |
| |
| //if exception parsing long, try double again |
| return Double.parseDouble(n); |
| |
| } |
| } |
| |
| @Override |
| public void toJson(JsonWriter writer, @Nullable Object value) { |
| try{ |
| delegate.toJson(writer, value); |
| }catch(Exception ex){ |
| log.error(ex.getMessage(), ex); |
| |
| } |
| } |
| }; |
| } |
| }; |
| |
| Moshi moshiFrom = new Moshi.Builder().add(objectFactory).add(Date.class, new Rfc3339DateJsonAdapter()).build(); |
| String[] argNames = new String[paramCount]; |
| |
| jsonReader.beginObject(); |
| String messageName=jsonReader.nextName(); // get message name from input json stream |
| if (messageName == null || !messageName.equals(operation.getName())) { |
| log.error("JsonUtils.invokeServiceClass() throwing IOException, messageName: " +messageName+ " is unknown, it does not match the axis2 operation, the method name: " + operation.getName()); |
| throw new IOException("Bad Request"); |
| } |
| jsonReader.beginArray(); |
| |
| int i = 0; |
| for (Class paramType : paramClasses) { |
| JsonAdapter<Map> moshiFromJsonAdapter = null; |
| moshiFromJsonAdapter = moshiFrom.adapter(paramType); |
| jsonReader.beginObject(); |
| argNames[i] = jsonReader.nextName(); |
| methodParam[i] = moshiFromJsonAdapter.fromJson(jsonReader); // moshi handles all types well and returns an object from it |
| log.trace("JsonUtils.invokeServiceClass() completed processing on messageName: " +messageName+ " , arg name: " +argNames[i]+ " , methodParam: " +methodParam[i].getClass().getName()+ " , from argNames.length: " + argNames.length); |
| jsonReader.endObject(); |
| i++; |
| } |
| |
| jsonReader.endArray(); |
| jsonReader.endObject(); |
| } catch (Exception ex) { |
| log.error(ex.getMessage(), ex); |
| throw new IOException("Bad Request"); |
| } |
| |
| return operation.invoke(service, methodParam); |
| |
| } |
| |
| public static Method getOpMethod(String methodName, Method[] methodSet) { |
| for (Method method : methodSet) { |
| String mName = method.getName(); |
| if (mName.equals(methodName)) { |
| return method; |
| } |
| } |
| log.error("JsonUtils.getOpMethod() returning null, cannot find methodName: " +methodName+ " , from methodSet.length: " + methodSet.length); |
| return null; |
| } |
| |
| } |