github.com/alibaba/sealer@v0.8.6-0.20220430115802-37a2bdaa8173/utils/collector/collector.go (about)

     1  // Copyright © 2021 Alibaba Group Holding Ltd.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package collector
    16  
    17  import "fmt"
    18  
    19  type Collector interface {
    20  	// Collect git package;download common file work as wget or curl;copy local file to dst.
    21  	Collect(buildContext, src, savePath string) error
    22  }
    23  
    24  func NewCollector(src string) (Collector, error) {
    25  	// if src is detected as remote context,will new different Collector via src type.
    26  	switch {
    27  	case src == "":
    28  		return nil, fmt.Errorf("src can not be nil")
    29  	case IsGitURL(src):
    30  		// remote git context
    31  		return NewGitCollector(), nil
    32  	case IsURL(src):
    33  		// remote web context
    34  		return NewWebFileCollector(), nil
    35  	default:
    36  		//local context
    37  		return NewLocalCollector(), nil
    38  	}
    39  }