github.com/adnan-c/fabric_e2e_couchdb@v0.6.1-preview.0.20170228180935-21ce6b23cf91/core/chaincode/platforms/java/package.go (about) 1 /* 2 Copyright DTCC 2016 All Rights Reserved. 3 4 Licensed under the Apache License, Version 2.0 (the "License"); 5 you may not use this file except in compliance with the License. 6 You may obtain a copy of the License at 7 8 http://www.apache.org/licenses/LICENSE-2.0 9 10 Unless required by applicable law or agreed to in writing, software 11 distributed under the License is distributed on an "AS IS" BASIS, 12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 See the License for the specific language governing permissions and 14 limitations under the License. 15 */ 16 17 package java 18 19 import ( 20 "archive/tar" 21 "fmt" 22 "strings" 23 24 "os" 25 26 "errors" 27 28 cutil "github.com/hyperledger/fabric/core/container/util" 29 pb "github.com/hyperledger/fabric/protos/peer" 30 ) 31 32 //tw is expected to have the chaincode in it from GenerateHashcode. 33 //This method will just package the dockerfile 34 func writeChaincodePackage(spec *pb.ChaincodeSpec, tw *tar.Writer) error { 35 36 var urlLocation string 37 var err error 38 39 if strings.HasPrefix(spec.ChaincodeId.Path, "http://") || 40 strings.HasPrefix(spec.ChaincodeId.Path, "https://") { 41 42 urlLocation, err = getCodeFromHTTP(spec.ChaincodeId.Path) 43 defer func() { 44 os.RemoveAll(urlLocation) 45 }() 46 if err != nil { 47 return err 48 } 49 } else { 50 urlLocation = spec.ChaincodeId.Path 51 } 52 53 if urlLocation == "" { 54 return errors.New("ChaincodeSpec's path/URL cannot be empty") 55 } 56 57 if strings.LastIndex(urlLocation, "/") == len(urlLocation)-1 { 58 urlLocation = urlLocation[:len(urlLocation)-1] 59 } 60 61 err = cutil.WriteJavaProjectToPackage(tw, urlLocation) 62 if err != nil { 63 return fmt.Errorf("Error writing Chaincode package contents: %s", err) 64 } 65 66 return nil 67 }