org.firstopen.singularity.util.HTTPConnector.java Source code

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Here is the source code for org.firstopen.singularity.util.HTTPConnector.java

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/* 
 * Copyright 2005 i-Konect LLC
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *    http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * 
 */
package org.firstopen.singularity.util;

import java.io.IOException;
import java.util.Date;

import org.apache.commons.httpclient.Cookie;
import org.apache.commons.httpclient.Header;
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpException;
import org.apache.commons.httpclient.MultiThreadedHttpConnectionManager;
import org.apache.commons.httpclient.NameValuePair;
import org.apache.commons.httpclient.cookie.CookiePolicy;
import org.apache.commons.httpclient.methods.GetMethod;
import org.apache.commons.httpclient.methods.PostMethod;
import org.apache.log4j.Logger;

/**
 * @author Tom Rose (tom.rose@i-konect.com)
 * @version $Id: HTTPConnector.java 776 2005-10-18 17:31:07Z TomRose $
 */

public class HTTPConnector {

    private String url = null;

    private NameValuePair[] methodNVPairs = null;

    HttpClient httpclient = null;

    int result = 0;

    /**
     * @param url
     */
    public HTTPConnector(String url, NameValuePair[] methodNVPairs) {

        setUrl(url);
        setMethodNVPairs(methodNVPairs);
        httpclient = new HttpClient(new MultiThreadedHttpConnectionManager());

    } // end constructor

    /**
     * @param url
     */
    public HTTPConnector(String url) {
        /*
         * System.setProperty( "org.apache.commons.logging.Log",
         * "org.apache.commons.logging.impl.SimpleLog");
         * 
         * System.setProperty(
         * "org.apache.commons.logging.simplelog.showdatetime", "true");
         * 
         * System.setProperty(
         * "org.apache.commons.logging.simplelog.log.httpclient.wire", "debug");
         * 
         * System.setProperty(
         * "org.apache.commons.logging.simplelog.log.org.apache.commons.httpclient",
         * "debug");
         */
        setUrl(url);
        httpclient = new HttpClient(new MultiThreadedHttpConnectionManager());

    } // end constructor

    /**
     * 
     */
    public HTTPConnector() {
        httpclient = new HttpClient(new MultiThreadedHttpConnectionManager());
        httpclient.getState().setCookiePolicy(CookiePolicy.RFC2109);

    } // end HTTPConnector

    public String post() throws HttpException, IOException {

        PostMethod post = new PostMethod(url);
        post.setRequestBody(methodNVPairs);

        post.setFollowRedirects(true);

        return this.post(post);
    }

    /**
     * @return Executes the url, with the set of NV Post values
     */
    public String post(PostMethod post) throws HttpException, IOException {
        String sResult = null;

        Logger x = Logger.getRootLogger();

        // httpclient.getHostConfiguration().setProxy("localhost", 81);

        // Execute request
        result = httpclient.executeMethod(post);

        x.debug("Response status code: " + result);

        // Display status code
        sResult = post.getResponseBodyAsString();

        post.releaseConnection();
        // post.recycle();

        return sResult;

    }

    public void setHost(String host) {
        httpclient.getHostConfiguration().setHost(host);
    }

    public void setCookie(String domain, String name, String value) {
        Cookie cookie = new Cookie(domain, name, value);
        httpclient.getState().addCookie(cookie);

    }

    public void setCookiePath(String path) {

        Cookie[] cookies = httpclient.getState().getCookies();
        cookies[0].setPath(path);

    }

    public void setCookieExpDate(Date date) {

        Cookie[] cookies = httpclient.getState().getCookies();
        cookies[0].setExpiryDate(date);

    }

    public String get() {

        GetMethod get = new GetMethod(url);
        get.setFollowRedirects(true);

        return this.get(get);
    }

    /**
     * @return
     */
    public String get(GetMethod get) {

        Logger x = Logger.getRootLogger();
        String sResult = null;
        StringBuffer sbPath = new StringBuffer(url);
        for (int i = 0; (methodNVPairs != null) && i < methodNVPairs.length; i++) {

            sbPath.append("?" + methodNVPairs[i].getName() + "=" + methodNVPairs[i].getValue());

        }

        get.setPath(sbPath.toString());

        x.debug("URL Path: " + sbPath);

        // Execute request
        Header headers[] = get.getRequestHeaders();
        for (int i = 0; i < headers.length; i++) {
            Header header = headers[i];
            x.debug("id-> " + header.getName() + "  value-> " + header.getValue());
        }

        try {
            result = httpclient.executeMethod(get);

            // Display status code
            x.debug("Response status code: " + result + " content-length: " + get.getResponseHeader("accept"));

            // Release current connection to the connection pool once you are
            // done
            sResult = get.getResponseBodyAsString();

        } catch (HttpException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }

        get.releaseConnection();
        // get.recycle();
        return sResult;
    } // end getData

    /**
     * @return
     */
    public NameValuePair[] getMethodNVPairs() {
        return methodNVPairs;
    }

    /**
     * @return
     */
    public String getUrl() {
        return url;
    }

    /**
     * @param pairs
     */
    public void setMethodNVPairs(NameValuePair[] pairs) {
        methodNVPairs = pairs;
    }

    /**
     * @param string
     */
    public void setUrl(String string) {
        url = string;
    }

    /**
     * @return
     */
    public int getResult() {
        return result;
    }

    /**
     * @param i
     */
    public void setResult(int i) {
        result = i;
    }

    public void setProxy(String host, int port) {
        httpclient.getHostConfiguration().setProxy(host, port);
    }
}// end HTTPConnector