| /* |
| * 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.camel.component.ipfs; |
| |
| import java.io.File; |
| import java.io.InputStream; |
| import java.nio.file.Path; |
| import java.nio.file.Paths; |
| import java.util.List; |
| |
| import org.apache.camel.Exchange; |
| import org.apache.camel.component.ipfs.IPFSConfiguration.IPFSCommand; |
| import org.apache.camel.support.DefaultProducer; |
| |
| |
| public class IPFSProducer extends DefaultProducer { |
| |
| public IPFSProducer(IPFSEndpoint endpoint) { |
| super(endpoint); |
| } |
| |
| @Override |
| public IPFSEndpoint getEndpoint() { |
| return (IPFSEndpoint)super.getEndpoint(); |
| } |
| |
| @Override |
| public void process(Exchange exchange) throws Exception { |
| |
| IPFSEndpoint endpoint = getEndpoint(); |
| IPFSCommand cmd = endpoint.getCommand(); |
| |
| if (IPFSCommand.version == cmd) { |
| |
| String resp = endpoint.ipfsVersion(); |
| exchange.getMessage().setBody(resp); |
| |
| } else if (IPFSCommand.add == cmd) { |
| |
| Path path = pathFromBody(exchange); |
| List<String> cids = endpoint.ipfsAdd(path); |
| Object resp = cids; |
| if (path.toFile().isFile()) { |
| resp = cids.size() > 0 ? cids.get(0) : null; |
| } |
| exchange.getMessage().setBody(resp); |
| |
| } else if (IPFSCommand.cat == cmd) { |
| |
| String cid = exchange.getMessage().getBody(String.class); |
| InputStream resp = endpoint.ipfsCat(cid); |
| exchange.getMessage().setBody(resp); |
| |
| } else if (IPFSCommand.get == cmd) { |
| |
| Path outdir = endpoint.getConfiguration().getOutdir(); |
| String cid = exchange.getMessage().getBody(String.class); |
| Path resp = endpoint.ipfsGet(cid, outdir); |
| exchange.getMessage().setBody(resp); |
| |
| } else { |
| throw new UnsupportedOperationException(cmd.toString()); |
| } |
| } |
| |
| private Path pathFromBody(Exchange exchange) { |
| Object body = exchange.getMessage().getBody(); |
| if (body instanceof Path) { |
| return (Path)body; |
| } |
| if (body instanceof String) { |
| return Paths.get((String)body); |
| } |
| if (body instanceof File) { |
| return ((File)body).toPath(); |
| } |
| throw new IllegalArgumentException("Invalid path: " + body); |
| } |
| } |