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Refs #9966: Issues with json serialization for the registry 

Task-Url: https://support.d4science.org/issues/9966

git-svn-id: https://svn.d4science.research-infrastructures.eu/gcube/trunk/information-system/resource-registry-api@158162 82a268e6-3cf1-43bd-a215-b396298e98cf
This commit is contained in:
Luca Frosini 2017-11-03 17:15:47 +00:00
parent d7281a3548
commit 8b922c0f3a
1 changed files with 81 additions and 96 deletions
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177
src/main/java/org/gcube/informationsystem/resourceregistry/api/rest/httputils/HTTPCall.java
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@ -35,11 +35,10 @@ import org.slf4j.LoggerFactory;
public class HTTPCall {
private static final Logger logger = LoggerFactory
.getLogger(HTTPCall.class);
private static final Logger logger = LoggerFactory.getLogger(HTTPCall.class);
public static final String APPLICATION_JSON_CHARSET_UTF_8 = "application/json;charset=UTF-8";
public enum HTTPMETHOD {
HEAD, GET, POST, PUT, DELETE;
@ -48,25 +47,24 @@ public class HTTPCall {
return this.name();
}
}
public static final String PATH_SEPARATOR = "/";
public static final String PARAM_STARTER = "?";
public static final String PARAM_EQUALS = "=";
public static final String PARAM_SEPARATOR = "&";
public static final String UTF8 = "UTF-8";
protected final String address;
protected final String userAgent;
public HTTPCall(String address, String userAgent) {
this.address = address;
this.userAgent = userAgent;
}
protected String getParametersDataString(
Map<String, ? extends Object> parameters)
protected String getParametersDataString(Map<String, ? extends Object> parameters)
throws UnsupportedEncodingException {
if (parameters == null) {
return null;
}
@ -88,112 +86,101 @@ public class HTTPCall {
}
protected URL getURL(String address, String path, String urlParameters) throws MalformedURLException {
StringWriter stringWriter = new StringWriter();
stringWriter.append(address);
if(address.endsWith(PATH_SEPARATOR)){
if(path.startsWith(PATH_SEPARATOR)){
if (address.endsWith(PATH_SEPARATOR)) {
if (path.startsWith(PATH_SEPARATOR)) {
path = path.substring(1);
}
}else{
if(!path.startsWith(PATH_SEPARATOR)){
} else {
if (!path.startsWith(PATH_SEPARATOR)) {
stringWriter.append(PARAM_SEPARATOR);
}
}
stringWriter.append(path);
if(urlParameters!=null){
if (urlParameters != null) {
stringWriter.append(PARAM_STARTER);
stringWriter.append(urlParameters);
}
return getURL(stringWriter.toString());
}
protected URL getURL(String urlString) throws MalformedURLException{
protected URL getURL(String urlString) throws MalformedURLException {
URL url = new URL(urlString);
if(url.getProtocol().compareTo("https")==0){
if (url.getProtocol().compareTo("https") == 0) {
url = new URL(url.getProtocol(), url.getHost(), url.getDefaultPort(), url.getFile());
}
return url;
}
protected HttpURLConnection getConnection(String path, String urlParameters, HTTPMETHOD method, String body)
throws Exception {
URL url = getURL(address, path, urlParameters);
return getConnection(url, method, body);
}
protected HttpURLConnection getConnection(URL url, HTTPMETHOD method, String body) throws Exception {
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
if (SecurityTokenProvider.instance.get() == null) {
if (ScopeProvider.instance.get() == null) {
throw new RuntimeException(
"Null Token and Scope. Please set your token first.");
throw new RuntimeException("Null Token and Scope. Please set your token first.");
}
connection.setRequestProperty("gcube-scope",
ScopeProvider.instance.get());
connection.setRequestProperty("gcube-scope", ScopeProvider.instance.get());
} else {
connection.setRequestProperty(org.gcube.common.authorization.client.Constants.TOKEN_HEADER_ENTRY,
SecurityTokenProvider.instance.get());
}
connection.setDoOutput(true);
connection.setRequestProperty("Content-type", APPLICATION_JSON_CHARSET_UTF_8);
connection.setRequestProperty("User-Agent", userAgent);
connection.setRequestMethod(method.toString());
if (body != null
&& (method == HTTPMETHOD.POST || method == HTTPMETHOD.PUT)) {
DataOutputStream wr = new DataOutputStream(
connection.getOutputStream());
wr.writeBytes(body);
if (body != null && (method == HTTPMETHOD.POST || method == HTTPMETHOD.PUT)) {
DataOutputStream wr = new DataOutputStream(connection.getOutputStream());
wr.write(body.getBytes("UTF-8"));
wr.flush();
wr.close();
}
int responseCode = connection.getResponseCode();
int responseCode = connection.getResponseCode();
String responseMessage = connection.getResponseMessage();
logger.trace("{} {} : {} - {}",
method, connection.getURL(), responseCode, responseMessage);
if (responseCode == HttpURLConnection.HTTP_MOVED_TEMP ||
responseCode == HttpURLConnection.HTTP_MOVED_PERM ||
responseCode == HttpURLConnection.HTTP_SEE_OTHER) {
logger.trace("{} {} : {} - {}", method, connection.getURL(), responseCode, responseMessage);
if (responseCode == HttpURLConnection.HTTP_MOVED_TEMP || responseCode == HttpURLConnection.HTTP_MOVED_PERM
|| responseCode == HttpURLConnection.HTTP_SEE_OTHER) {
URL redirectURL = getURL(connection.getHeaderField("Location"));
logger.trace("{} is going to be redirect to {}", url.toString(), redirectURL.toString());
connection = getConnection(redirectURL, method, body);
}
return connection;
}
protected StringBuilder getStringBuilder(InputStream inputStream) throws IOException{
protected StringBuilder getStringBuilder(InputStream inputStream) throws IOException {
StringBuilder result = new StringBuilder();
try (BufferedReader reader = new BufferedReader(
new InputStreamReader(inputStream))) {
try (BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream))) {
String line;
while ((line = reader.readLine()) != null) {
result.append(line);
}
}
return result;
}
protected <C> ERNotFoundException getElementNotFoundException(Class<C> clz)
throws ERNotFoundException, ResourceRegistryException {
String error = String.format("Requested %s instance was not found", clz.getSimpleName());
@ -206,7 +193,7 @@ public class HTTPCall {
}
return new ERNotFoundException(error);
}
protected <C> ERAvailableInAnotherContextException getElementAvailableInAnotherContextException(Class<C> clz) {
String error = String.format("Requested %s instance was not found", clz.getSimpleName());
if (Resource.class.isAssignableFrom(clz)) {
@ -218,81 +205,79 @@ public class HTTPCall {
}
return new ERAvailableInAnotherContextException(error);
}
public <C> C call(Class<C> clz, String path, HTTPMETHOD method) throws Exception {
return call(clz, path, method, null, null);
}
public <C> C call(Class<C> clz, String path, HTTPMETHOD method, Map<String, ? extends Object> parameters) throws Exception {
public <C> C call(Class<C> clz, String path, HTTPMETHOD method, Map<String, ? extends Object> parameters)
throws Exception {
return call(clz, path, method, parameters, null);
}
public <C> C call(Class<C> clz, String path, HTTPMETHOD method, String body) throws Exception {
return call(clz, path, method, null, body);
}
@SuppressWarnings("unchecked")
protected <C> C call(Class<C> clz, String path, HTTPMETHOD method, Map<String, ? extends Object> parameters, String body) throws Exception {
protected <C> C call(Class<C> clz, String path, HTTPMETHOD method, Map<String, ? extends Object> parameters,
String body) throws Exception {
String urlParameters = getParametersDataString(parameters);
HttpURLConnection connection = getConnection(path, urlParameters, method, body);
try {
int responseCode = connection.getResponseCode();
int responseCode = connection.getResponseCode();
String responseMessage = connection.getResponseMessage();
logger.info("{} {} : {} - {}",
method, connection.getURL(), responseCode, responseMessage);
if(method == HTTPMETHOD.HEAD){
if(responseCode == HttpURLConnection.HTTP_NO_CONTENT){
logger.info("{} {} : {} - {}", method, connection.getURL(), responseCode, responseMessage);
if (method == HTTPMETHOD.HEAD) {
if (responseCode == HttpURLConnection.HTTP_NO_CONTENT) {
return null;
}
if(responseCode == HttpURLConnection.HTTP_NOT_FOUND){
if (responseCode == HttpURLConnection.HTTP_NOT_FOUND) {
throw getElementNotFoundException(clz);
}
if(responseCode == HttpURLConnection.HTTP_FORBIDDEN){
if (responseCode == HttpURLConnection.HTTP_FORBIDDEN) {
throw getElementAvailableInAnotherContextException(clz);
}
}
if (responseCode >= HttpURLConnection.HTTP_BAD_REQUEST) {
InputStream inputStream = connection.getErrorStream();
StringBuilder result = getStringBuilder(inputStream);
String res = result.toString();
ResourceRegistryException rre = null;
try {
rre = ExceptionMapper.unmarshal(ResourceRegistryException.class, res);
}catch (Exception e) {
rre = ExceptionMapper.unmarshal(ResourceRegistryException.class, res);
} catch (Exception e) {
rre = new ResourceRegistryException(responseMessage);
}
throw rre;
}
StringBuilder result = getStringBuilder(connection.getInputStream());
String res = result.toString();
logger.trace("Server returned content : {}", res);
if(Boolean.class.isAssignableFrom(clz)){
return (C) ((Boolean) Boolean.valueOf(res)) ;
}else if(ISManageable.class.isAssignableFrom(clz)){
if (Boolean.class.isAssignableFrom(clz)) {
return (C) ((Boolean) Boolean.valueOf(res));
} else if (ISManageable.class.isAssignableFrom(clz)) {
return (C) ISMapper.unmarshal((Class<ISManageable>) clz, res);
}
return (C) res;
}finally {
} finally {
connection.disconnect();
}
}
}