1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
|
/*
* Copyright 2016-2017, Nokia Corporation
*
* Licensed 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.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.restapi;
import com.google.common.base.Charsets;
import com.google.common.io.ByteStreams;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.Part;
import org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.packagetransformer.OnapVnfPackageBuilder;
import org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.packagetransformer.SupportedOnapPackageVersions;
import org.slf4j.Logger;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import static org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.util.CbamUtils.buildFatalFailure;
import static org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.util.SystemFunctions.systemFunctions;
import static org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.vnfm.Constants.BASE_URL;
import static org.slf4j.LoggerFactory.getLogger;
import static org.springframework.http.HttpHeaders.*;
import static org.springframework.http.HttpStatus.OK;
import static org.springframework.http.MediaType.APPLICATION_OCTET_STREAM;
import static org.springframework.http.MediaType.TEXT_HTML_VALUE;
import static org.springframework.web.bind.annotation.RequestMethod.GET;
import static org.springframework.web.bind.annotation.RequestMethod.POST;
/**
* Responsible for providing the converter utilities for CBAM package format
*/
@Controller
@RequestMapping(value = BASE_URL)
public class ConverterApi {
private static Logger logger = getLogger(ConverterApi.class);
private OnapVnfPackageBuilder vnfPackageConverter = new OnapVnfPackageBuilder();
/**
* Return the converted ONAP package
*
* @param httpResponse the HTTP response
* @return the converted ONAP package
*/
@RequestMapping(value = "/convert", method = POST)
@ResponseBody
public void convert(HttpServletResponse httpResponse, HttpServletRequest request) throws IOException {
logger.info("REST: convert package");
SupportedOnapPackageVersions version;
try {
request.getPart("version");
version = SupportedOnapPackageVersions.valueOf(new String(ByteStreams.toByteArray(request.getPart("version").getInputStream()), Charsets.UTF_8));
} catch (Exception e) {
throw buildFatalFailure(logger, "Unable to determine the desired ONAP package version", e);
}
byte[] content;
try {
Part uploadedFile = request.getPart("fileToUpload");
content = ByteStreams.toByteArray(uploadedFile.getInputStream());
} catch (Exception e) {
throw buildFatalFailure(logger, "Unable to extract package from REST parameters", e);
}
byte[] convertedPackage;
try {
convertedPackage = vnfPackageConverter.covert(new ByteArrayInputStream(content), version);
} catch (Exception e) {
throw buildFatalFailure(logger, "Unable to convert VNF package", e);
}
httpResponse.addHeader(CONTENT_TYPE, APPLICATION_OCTET_STREAM.toString());
httpResponse.setStatus(OK.value());
httpResponse.addHeader(CONTENT_LENGTH, Integer.toString(convertedPackage.length));
httpResponse.addHeader(CONTENT_DISPOSITION, "attachment; filename=\"" + "core.csar" + "\"");
httpResponse.getOutputStream().write(convertedPackage);
httpResponse.getOutputStream().flush();
}
/**
* Return the HTTP page to upload the package
* Can be removed after the generated swagger API in ONAP is fixed.
*
* @param httpResponse the HTTP response
*/
@RequestMapping(value = "/convert", method = GET, produces = TEXT_HTML_VALUE)
@ResponseBody
public void getUploadPageForConvertingVnfd(HttpServletResponse httpResponse) throws IOException {
logger.info("REST: get converter main page");
byte[] bytes = systemFunctions().loadFile("upload.html");
httpResponse.addHeader(CONTENT_LENGTH, Integer.toString(bytes.length));
httpResponse.getOutputStream().write(bytes);
}
}
|
