org.ow2.bonita.facade.rest.apachehttpclient.ApacheHttpClientUtil.java Source code

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Here is the source code for org.ow2.bonita.facade.rest.apachehttpclient.ApacheHttpClientUtil.java

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/**
 * Copyright (C) 2010  BonitaSoft S.A.
 * BonitaSoft, 31 rue Gustave Eiffel - 38000 Grenoble
 * This library is free software; you can redistribute it and/or modify it under the terms
 * of the GNU Lesser General Public License as published by the Free Software Foundation
 * version 2.1 of the License.
 * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU Lesser General Public License for more details.
 * You should have received a copy of the GNU Lesser General Public License along with this
 * program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
 * Floor, Boston, MA  02110-1301, USA.
 **/
package org.ow2.bonita.facade.rest.apachehttpclient;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.List;

import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.auth.AuthScope;
import org.apache.http.auth.UsernamePasswordCredentials;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.ByteArrayEntity;
import org.apache.http.impl.client.DefaultHttpClient;
import org.ow2.bonita.facade.rest.HttpRESTUtil;

/**
 * 
 * @author Elias Ricken de Medeiros, Matthieu Chaffotte
 *
 */
public class ApacheHttpClientUtil {

    public static HttpClient getHttpClient(String serverAddress, String username, String password)
            throws URISyntaxException {
        URI serverURI = new URI(serverAddress);
        DefaultHttpClient client = new DefaultHttpClient();
        AuthScope authScope = new AuthScope(serverURI.getHost(), serverURI.getPort(), AuthScope.ANY_REALM,
                AuthScope.ANY_SCHEME);
        UsernamePasswordCredentials credentials = new UsernamePasswordCredentials(username, password);
        client.getCredentialsProvider().setCredentials(authScope, credentials);
        return client;
    }

    public static HttpResponse executeHttpConnection(String uri, List<NameValuePair> formParams, String options,
            String username, String password) throws URISyntaxException, IOException, IOException {
        UrlEncodedFormEntity entity = new UrlEncodedFormEntity(formParams, "UTF-8");
        String serverAddress = HttpRESTUtil.getRESTServerAddress();
        HttpPost post = new HttpPost(serverAddress + uri);
        post.setEntity(entity);
        HttpClient client = ApacheHttpClientUtil.getHttpClient(serverAddress, username, password);
        HttpResponse httpresponse = client.execute(post);
        return httpresponse;
    }

    public static HttpResponse executeHttpConnection(String uri, byte[] content, String optionsHeader,
            String username, String password)
            throws URISyntaxException, IOException, IOException, ClassNotFoundException {
        String serverAddress = HttpRESTUtil.getRESTServerAddress();
        HttpPost post = new HttpPost(serverAddress + uri);

        ByteArrayEntity entity = new ByteArrayEntity(content);
        entity.setContentType("application/octet-stream");
        post.setHeader("options", optionsHeader);
        post.setEntity(entity);

        HttpClient client = ApacheHttpClientUtil.getHttpClient(serverAddress, username, password);
        HttpResponse httpresponse = client.execute(post);
        return httpresponse;
    }

    public static String getResponseContent(HttpResponse httpresponse) throws IOException {
        BufferedReader responseReader = new BufferedReader(
                new InputStreamReader(httpresponse.getEntity().getContent()));
        String line = responseReader.readLine();
        StringBuilder builder = new StringBuilder();
        try {
            while (line != null) {
                builder.append(line).append("\n");
                line = responseReader.readLine();
            }
        } catch (IOException e) {
            responseReader.close();
        }
        return builder.toString().trim();
    }

}