180 lines
5.4 KiB
Java
180 lines
5.4 KiB
Java
/**
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*
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*/
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package org.gcube.portlets.user.workspace;
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import java.io.IOException;
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import java.util.Map;
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import org.apache.commons.httpclient.Credentials;
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import org.apache.commons.httpclient.DefaultHttpMethodRetryHandler;
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import org.apache.commons.httpclient.HttpClient;
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import org.apache.commons.httpclient.HttpException;
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import org.apache.commons.httpclient.HttpStatus;
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import org.apache.commons.httpclient.MultiThreadedHttpConnectionManager;
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import org.apache.commons.httpclient.UsernamePasswordCredentials;
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import org.apache.commons.httpclient.auth.AuthScope;
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import org.apache.commons.httpclient.methods.ByteArrayRequestEntity;
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import org.apache.commons.httpclient.methods.GetMethod;
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import org.apache.commons.httpclient.methods.PostMethod;
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import org.apache.commons.httpclient.params.HttpMethodParams;
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/**
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* @author Francesco Mangiacrapa francesco.mangiacrapa@isti.cnr.it
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* @Jun 4, 2013
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*
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*/
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public class HttpCallerUtil {
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public static final org.apache.log4j.Logger logger = org.apache.log4j.Logger.getLogger(HttpCallerUtil.class);
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public static final int TIME_OUT_REQUESTS = 5000;
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private String urlService = "";
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private HttpClient httpClient = null;
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private String username = "";
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private String password = "";
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public HttpCallerUtil(String url, String user, String password) {
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this.urlService = url;
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MultiThreadedHttpConnectionManager connectionManager = new MultiThreadedHttpConnectionManager();
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connectionManager.getParams().setSoTimeout(TIME_OUT_REQUESTS);
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this.httpClient = new HttpClient(connectionManager);
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this.username = user;
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this.password = password;
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Credentials defaultcreds = new UsernamePasswordCredentials(user, password);
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httpClient.getState().setCredentials(AuthScope.ANY, defaultcreds);
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}
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public String callGet(String urlMethod, Map<String, String> parameters) throws Exception {
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// Create an instance of HttpClient.
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HttpClient client = new HttpClient();
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String query = UrlEncoderUtil.encodeQuery(parameters);
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String fullUrl = urlService+"/"+urlMethod+"?"+query;
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logger.info("call get .... " + fullUrl);
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// Create a method instance.
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GetMethod method = new GetMethod(fullUrl);
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// Provide custom retry handler is necessary
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method.getParams().setParameter(HttpMethodParams.RETRY_HANDLER, new DefaultHttpMethodRetryHandler(3, false));
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try {
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// Execute the method.
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int statusCode = client.executeMethod(method);
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if (statusCode != HttpStatus.SC_OK) {
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logger.error("Method failed: " + method.getStatusLine());
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}
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// Read the response body.
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byte[] responseBody = method.getResponseBody();
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// Deal with the response.
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// Use caution: ensure correct character encoding and is not binary
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// data
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return new String(responseBody);
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} catch (HttpException e) {
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logger.error("Fatal protocol violation: " + e.getMessage());
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throw new Exception("Fatal protocol violation: " + e.getMessage());
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} catch (IOException e) {
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logger.error("Fatal transport error: " + e.getMessage());
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throw new Exception("Fatal transport violation: " + e.getMessage());
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} finally {
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// Release the connection.
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method.releaseConnection();
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}
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}
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public String callPost(String urlMethod, String body, String contentType) throws Exception {
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// Create a method instance.
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PostMethod method = new PostMethod(this.urlService + "/" + urlMethod);
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method.setRequestHeader("Content-type", contentType);
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logger.trace("call post .... " + this.urlService + "/" + urlMethod);
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logger.debug(" call post body.... " + body);
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// System.out.println("post body .... " + body);
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method.setRequestEntity(new ByteArrayRequestEntity(body.getBytes()));
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// Provide custom retry handler is necessary
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// method.getParams().setParameter(HttpMethodParams.RETRY_HANDLER,new DefaultHttpMethodRetryHandler(3, false));
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byte[] responseBody = null;
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try {
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// Execute the method.
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int statusCode = httpClient.executeMethod(method);
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if (statusCode != HttpStatus.SC_OK && statusCode != HttpStatus.SC_CREATED) {
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logger.error("Method failed: " + method.getStatusLine()+"; Response bpdy: "+method.getResponseBody());
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method.releaseConnection();
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throw new Exception("Method failed: " + method.getStatusLine()+"; Response body: "+new String(method.getResponseBody()));
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}
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// Read the response body.
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responseBody = method.getResponseBody();
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// Deal with the response.
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// Use caution: ensure correct character encoding and is not binary data
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// System.out.println(new String(responseBody));
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} catch (HttpException e) {
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logger.error("Fatal protocol violation: ", e);
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// e.printStackTrace();
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method.releaseConnection();
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throw new Exception("Fatal protocol violation: " + e.getMessage());
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} catch (Exception e) {
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logger.error("Fatal transport error: ", e);
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// e.printStackTrace();
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method.releaseConnection();
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throw new Exception("Fatal transport error: " + e.getMessage());
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}
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method.releaseConnection();
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return new String(responseBody);
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}
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public String getUrlservice() {
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return urlService;
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}
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public void setUrlservice(String urlservice) {
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this.urlService = urlservice;
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}
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public HttpClient getClient() {
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return httpClient;
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}
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public void setClient(HttpClient client) {
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this.httpClient = client;
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}
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public String getUsername() {
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return username;
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}
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public void setUsername(String username) {
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this.username = username;
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}
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public String getPassword() {
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return password;
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}
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public void setPassword(String password) {
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this.password = password;
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}
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}
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