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Cloudinary is a cloud service that offers a solution to a web application's entire image management pipeline. Upload images to the cloud. Automatically perform smart image resizing, cropping and conversion without installing any complex software. Integrate Facebook or Twitter profile image extraction in a snap, in any dimension and style to match your websiteâs graphics requirements. Images are seamlessly delivered through a fast CDN, and much much more. This Java library allows to easily integrate with Cloudinary in Java applications.
package com.cloudinary.http42;
import com.cloudinary.Api;
import com.cloudinary.Api.HttpMethod;
import com.cloudinary.Cloudinary;
import com.cloudinary.api.ApiResponse;
import com.cloudinary.api.exceptions.GeneralError;
import com.cloudinary.http42.api.Response;
import com.cloudinary.strategies.AbstractApiStrategy;
import com.cloudinary.utils.Base64Coder;
import com.cloudinary.utils.ObjectUtils;
import com.cloudinary.utils.StringUtils;
import org.apache.http.HttpResponse;
import org.apache.http.client.methods.*;
import org.apache.http.client.utils.URIBuilder;
import org.apache.http.conn.ClientConnectionManager;
import org.apache.http.entity.ContentType;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.params.HttpConnectionParams;
import org.apache.http.params.HttpParams;
import org.cloudinary.json.JSONException;
import org.cloudinary.json.JSONObject;
import java.io.InputStream;
import java.lang.reflect.Constructor;
import java.net.URI;
import java.util.Arrays;
import java.util.Map;
public class ApiStrategy extends AbstractApiStrategy {
@SuppressWarnings({"rawtypes", "unchecked"})
public ApiResponse callApi(HttpMethod method, Iterable uri, Map params, Map options) throws Exception {
if (options == null) options = ObjectUtils.emptyMap();
String prefix = ObjectUtils.asString(options.get("upload_prefix"), ObjectUtils.asString(this.api.cloudinary.config.uploadPrefix, "https://api.cloudinary.com"));
String cloudName = ObjectUtils.asString(options.get("cloud_name"), this.api.cloudinary.config.cloudName);
if (cloudName == null) throw new IllegalArgumentException("Must supply cloud_name");
String apiKey = ObjectUtils.asString(options.get("api_key"), this.api.cloudinary.config.apiKey);
if (apiKey == null) throw new IllegalArgumentException("Must supply api_key");
String apiSecret = ObjectUtils.asString(options.get("api_secret"), this.api.cloudinary.config.apiSecret);
if (apiSecret == null) throw new IllegalArgumentException("Must supply api_secret");
String contentType = ObjectUtils.asString(options.get("content_type"), "urlencoded");
int timeout = ObjectUtils.asInteger(options.get("timeout"), this.api.cloudinary.config.timeout);
String apiUrl = createApiUrl(uri, prefix, cloudName);
return getApiResponse(method, params, apiKey, apiSecret, contentType, timeout, apiUrl);
}
@Override
public ApiResponse callAccountApi(HttpMethod method, Iterable uri, Map params, Map options) throws Exception {
String prefix = ObjectUtils.asString(options.get("upload_prefix"), "https://api.cloudinary.com");
String apiKey = ObjectUtils.asString(options.get("provisioning_api_key"));
if (apiKey == null) throw new IllegalArgumentException("Must supply provisioning_api_key");
String apiSecret = ObjectUtils.asString(options.get("provisioning_api_secret"));
if (apiSecret == null) throw new IllegalArgumentException("Must supply provisioning_api_secret");
String contentType = ObjectUtils.asString(options.get("content_type"), "urlencoded");
int timeout = ObjectUtils.asInteger(options.get("timeout"), this.api.cloudinary.config.timeout);
String apiUrl = StringUtils.join(Arrays.asList(prefix, "v1_1"), "/");
for (String component : uri) {
apiUrl = apiUrl + "/" + component;
}
return getApiResponse(method, params, apiKey, apiSecret, contentType, timeout, apiUrl);
}
private ApiResponse getApiResponse(HttpMethod method, Map params, String apiKey, String apiSecret, String contentType, int timeout, String apiUrl) throws Exception {
URIBuilder apiUrlBuilder = new URIBuilder(apiUrl);
if (!contentType.equals("json")) {
for (Map.Entry param : params.entrySet()) {
if (param.getValue() instanceof Iterable) {
for (String single : (Iterable) param.getValue()) {
apiUrlBuilder.addParameter(param.getKey() + "[]", single);
}
} else {
apiUrlBuilder.addParameter(param.getKey(), ObjectUtils.asString(param.getValue()));
}
}
}
ClientConnectionManager connectionManager = (ClientConnectionManager) this.api.cloudinary.config.properties.get("connectionManager");
DefaultHttpClient client = new DefaultHttpClient(connectionManager);
if (timeout > 0) {
HttpParams httpParams = client.getParams();
HttpConnectionParams.setConnectionTimeout(httpParams, timeout);
HttpConnectionParams.setSoTimeout(httpParams, timeout);
}
URI apiUri = apiUrlBuilder.build();
HttpUriRequest request = null;
switch (method) {
case GET:
request = new HttpGet(apiUri);
break;
case PUT:
request = new HttpPut(apiUri);
break;
case POST:
request = new HttpPost(apiUri);
break;
case DELETE:
request = new HttpDelete(apiUri);
break;
}
request.setHeader("Authorization", "Basic " + Base64Coder.encodeString(apiKey + ":" + apiSecret));
request.setHeader("User-Agent", Cloudinary.USER_AGENT + " ApacheHTTPComponents/4.2");
if (contentType.equals("json")) {
JSONObject asJSON = ObjectUtils.toJSON(params);
StringEntity requestEntity = new StringEntity(asJSON.toString(), ContentType.APPLICATION_JSON);
((HttpEntityEnclosingRequestBase) request).setEntity(requestEntity);
}
HttpResponse response = client.execute(request);
int code = response.getStatusLine().getStatusCode();
InputStream responseStream = response.getEntity().getContent();
String responseData = StringUtils.read(responseStream);
Class exceptionClass = Api.CLOUDINARY_API_ERROR_CLASSES.get(code);
if (code != 200 && exceptionClass == null) {
throw new GeneralError("Server returned unexpected status code - " + code + " - " + responseData);
}
Map result;
try {
JSONObject responseJSON = new JSONObject(responseData);
result = ObjectUtils.toMap(responseJSON);
} catch (JSONException e) {
throw new RuntimeException("Invalid JSON response from server " + e.getMessage());
}
if (code == 200) {
return new Response(response, result);
} else {
String message = (String) ((Map) result.get("error")).get("message");
Constructor exceptionConstructor = exceptionClass.getConstructor(String.class);
throw exceptionConstructor.newInstance(message);
}
}
}