| /* |
| * 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.servicecomb.foundation.common.utils; |
| |
| import java.io.File; |
| import java.io.InputStream; |
| |
| import javax.servlet.http.Part; |
| |
| import org.apache.servicecomb.foundation.common.part.FilePart; |
| import org.apache.servicecomb.foundation.common.part.InputStreamPart; |
| import org.apache.servicecomb.foundation.common.part.ResourcePart; |
| import org.springframework.core.io.ByteArrayResource; |
| import org.springframework.core.io.Resource; |
| |
| public final class PartUtils { |
| private PartUtils() { |
| } |
| |
| public static Part getSinglePart(String name, Object value) { |
| if (value == null) { |
| return null; |
| } |
| |
| if (value instanceof Part) { |
| return (Part) value; |
| } |
| |
| if (value instanceof InputStream) { |
| return new InputStreamPart(name, (InputStream) value); |
| } |
| |
| if (value instanceof Resource) { |
| return new ResourcePart(name, (Resource) value); |
| } |
| |
| if (value instanceof File) { |
| return new FilePart(name, (File) value); |
| } |
| |
| if (value instanceof byte[]) { |
| return new ResourcePart(name, new ByteArrayResource((byte[]) value)); |
| } |
| |
| throw new IllegalStateException( |
| String.format("File input parameter of %s could be %s / %s / %s / byte[] or %s, but got %s.", |
| name, |
| Part.class.getName(), |
| InputStream.class.getName(), |
| Resource.class.getName(), |
| File.class.getName(), |
| value.getClass().getName())); |
| } |
| } |