webrequester.AbstractWebRequest.java Source code

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Here is the source code for webrequester.AbstractWebRequest.java

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/*
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package webrequester;

import model.WebRequestPair;
import java.io.IOException;
import java.io.StringReader;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.ArrayList;
import java.util.List;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import org.apache.http.HttpEntity;
import org.apache.http.NameValuePair;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.utils.URIBuilder;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;
import org.json.simple.JSONObject;
import org.json.simple.parser.JSONParser;
import org.json.simple.parser.ParseException;
import org.w3c.dom.Document;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;

/**
 *
 * @author loic
 */
public abstract class AbstractWebRequest {
    private String scheme;
    private String host;
    private String path;
    private int port;
    private List<NameValuePair> listParameters;

    public AbstractWebRequest(String _scheme, String _host, String _path, int _port) {
        listParameters = new ArrayList<>();
        this.scheme = _scheme;
        this.host = _host;
        this.path = _path;
        this.port = _port;
    }

    protected URI buildURI() {
        try {
            URIBuilder uriB = new URIBuilder();
            uriB.setScheme(scheme).setHost(host);
            if (port > 0) {
                uriB.setPort(port);
            }

            uriB.setPath(path);
            for (NameValuePair pair : listParameters) {
                uriB.setParameter(pair.getName(), pair.getValue());
            }
            return uriB.build();
        } catch (URISyntaxException ex) {
            return null;
        }
    }

    public String requestWithGet() {
        String s = "";
        try {
            CloseableHttpClient httpclient = HttpClients.createDefault();
            HttpGet httpget = new HttpGet(buildURI());
            CloseableHttpResponse response = httpclient.execute(httpget);
            try {
                HttpEntity entity = response.getEntity();
                if (entity != null) {
                    s = EntityUtils.toString(entity, "UTF-8");
                }
            } finally {
                response.close();
            }
        } catch (IOException ex) {
            return null;
        }
        return s;
    }

    public Document parseResultXML(String toParse) {
        try {
            DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
            DocumentBuilder builder = factory.newDocumentBuilder();
            InputSource is = new InputSource(new StringReader(toParse));
            return builder.parse(is);
        } catch (ParserConfigurationException | SAXException | IOException ex) {
            return null;
        }
    }

    public JSONObject parseResultJSON(String toParse) {
        try {
            return (JSONObject) new JSONParser().parse(toParse);
        } catch (ParseException ex) {
            return null;
        }
    }

    public void addPath(String _path) {
        path += _path;
    }

    public void addParameterGet(String _name, String _value) {
        listParameters.add(new WebRequestPair(_name, _value));
    }

    public void removeParameterGet(String _name) {
        listParameters.remove(new WebRequestPair(_name, ""));
    }

    public String getScheme() {
        return scheme;
    }

    public void setScheme(String scheme) {
        this.scheme = scheme;
    }

    public String getHost() {
        return host;
    }

    public void setHost(String host) {
        this.host = host;
    }

    public String getPath() {
        return path;
    }

    public void setPath(String path) {
        this.path = path;
    }

    public List<NameValuePair> getListParameters() {
        return listParameters;
    }

    public void setListParameters(List<NameValuePair> listParameters) {
        this.listParameters = listParameters;
    }

}