Example usage for org.apache.commons.httpclient HttpMethod getResponseBodyAsStream

Introduction

In this page you can find the example usage for org.apache.commons.httpclient HttpMethod getResponseBodyAsStream.

Prototype

public abstract InputStream getResponseBodyAsStream() throws IOException;

Source Link

Usage

From source file:edu.utah.further.core.ws.HttpUtil.java

/**
 * Static method for retrieving the response from an already executed method. This
 * method does not responsible for closing the inputstream unless an exception occurs
 * during retrieval of the response.//from  ww  w. j  ava2  s.c  om
 * 
 * @param method
 * @return
 */
public static InputStream getHttpResponseStream(final HttpMethod method) {
    isTrue(method.hasBeenUsed());

    Exception exception = null;
    try {
        return method.getResponseBodyAsStream();
    } catch (final IOException e) {
        exception = e;
        throw new ApplicationException("An exception occured while retrieving the response", e);
    } finally {
        if (exception != null) {
            method.releaseConnection();
        }
    }
}

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From source file:edu.uci.ics.external.connector.asterixdb.ConnectorUtils.java

private static int executeHttpMethod(HttpMethod method) throws Exception {
    HttpClient client = new HttpClient();
    int statusCode;
    try {//  w  w w. j a v  a  2s  .  c  o  m
        statusCode = client.executeMethod(method);
        if (statusCode != HttpStatus.SC_OK) {
            JSONObject result = new JSONObject(
                    new JSONTokener(new InputStreamReader(method.getResponseBodyAsStream())));
            if (result.has("error-code")) {
                String[] errors = { result.getJSONArray("error-code").getString(0), result.getString("summary"),
                        result.getString("stacktrace") };
                throw new Exception("HTTP operation failed: " + errors[0] + "\nSTATUS LINE: "
                        + method.getStatusLine() + "\nSUMMARY: " + errors[1] + "\nSTACKTRACE: " + errors[2]);
            }
        }
        return statusCode;
    } catch (Exception e) {
        throw e;
    } finally {
        method.releaseConnection();
    }
}

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From source file:fi.csc.mobileauth.shibboleth.rest.MobileServiceLoginHandler.java

private static StatusResponse getStatusResponse(String uri) {
    HttpMethod httpMethod = executeUriCall(uri);
    if (httpMethod == null) {
        log.debug("Could not execute call to URL {}", uri);
        return null;
    }//  w w  w. jav  a  2s  .  co  m
    try {
        InputStream content = httpMethod.getResponseBodyAsStream();
        ObjectMapper objectMapper = new ObjectMapper();
        StatusResponse response = objectMapper.readValue(content, StatusResponse.class);
        content.close();
        log.debug("Status response eventId={}, errorMessage={}", response.getEventId(),
                response.getErrorMessage());
        return response;
    } catch (IOException e) {
        log.error("Could not obtain response from the REST service!", e);
        return null;
    } finally {
        httpMethod.releaseConnection();
    }
}

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From source file:edu.du.penrose.systems.util.HttpClientUtils.java

/**
 * Get file from URL, directories are created and files overwritten.
 * /*from www .  jav a2 s  .co m*/
 * 
 * @deprecated use  org.apache.commons.io.FileUtils.copyURLToFile(URL, File)
 * @param requestUrl
 * @param outputPathAndFileName
 *
 * @return int request status code OR -1 if an exception occurred
 */
static public int getToFile(String requestUrl, String outputPathAndFileName) {
    int resultStatus = -1;

    File outputFile = new File(outputPathAndFileName);
    String outputPath = outputFile.getAbsolutePath().replace(outputFile.getName(), "");
    File outputDir = new File(outputPath);
    if (!outputDir.exists()) {
        outputDir.mkdir();
    }

    HttpClient client = new HttpClient();

    //   client.getState().setCredentials(
    //         new AuthScope("localhost", 7080, null ),
    //         new UsernamePasswordCredentials("nation", "nationPW") 
    //     );
    //   client.getParams().setAuthenticationPreemptive(true);

    HttpMethod method = new GetMethod(requestUrl);

    //   method.setDoAuthentication( true );   
    //  client.getParams().setAuthenticationPreemptive(true);

    // Execute and print response
    try {

        OutputStream os = new FileOutputStream(outputFile);

        client.executeMethod(method);
        InputStream is = method.getResponseBodyAsStream();
        BufferedInputStream bis = new BufferedInputStream(is);

        byte[] bytes = new byte[8192]; // reading as chunk of 8192 bytes
        int count = bis.read(bytes);
        while (count != -1 && count <= 8192) {
            os.write(bytes, 0, count);
            count = bis.read(bytes);
        }
        bis.close();
        os.close();
        resultStatus = method.getStatusCode();

    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        method.releaseConnection();
    }

    return resultStatus;
}

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From source file:com.gm.machine.util.CommonUtils.java

/**
 * /*from   ww  w .  j a  v  a  2  s.c o m*/
 * ????
 * 
 * @since 2013-1-12
 * @author qingang
 * @param url
 *            ?????
 * @param remark
 *            
 * @param path
 *            ??
 * @param encoding
 *            ??
 * @throws Exception
 */
public static void createHtmlPage(String url, String remark, String path, String encoding) throws Exception {
    HttpClient client = new HttpClient();
    HttpMethod httpMethod = new PostMethod(url);

    try {
        int returnCode = client.executeMethod(httpMethod);
        if (returnCode == HttpStatus.SC_OK) {
            BufferedReader reader = new BufferedReader(
                    new InputStreamReader(httpMethod.getResponseBodyAsStream(), "ISO-8859-1"));
            String tmp = null;
            StringBuffer htmlRet = new StringBuffer();
            while ((tmp = reader.readLine()) != null) {
                htmlRet.append(tmp + "\n");
            }
            writeHtml(path,
                    Global.HMTLPAGE_CHARSET + new String(htmlRet.toString().getBytes("ISO-8859-1"), encoding),
                    encoding);
            System.out.println("??=====================??" + remark + "===" + url
                    + "===??:" + path + "===?" + getCurrentDate("yyyy-MM-dd HH:mm")
                    + "=======================");
        } else if (returnCode == HttpStatus.SC_NOT_IMPLEMENTED) {
            System.err.println("The Post method is not implemented by this URI");
        }
    } catch (Exception e) {
        System.err.println(e);
        System.out.println("?=====================??" + remark + "===" + url
                + "===??:" + path + "===?" + getCurrentDate("yyyy-MM-dd HH:mm")
                + "=======================");
        e.printStackTrace();
        throw e;
    } finally {
        httpMethod.releaseConnection();
    }

}

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From source file:edu.unc.lib.dl.ui.service.XMLRetrievalService.java

public static Document getXMLDocument(String url) throws HttpException, IOException, JDOMException {
    SAXBuilder builder = new SAXBuilder();

    HttpClient client = new HttpClient();
    HttpMethod method = new GetMethod(url);
    method.getParams().setParameter("http.socket.timeout", new Integer(2000));
    method.getParams().setCookiePolicy(CookiePolicy.IGNORE_COOKIES);
    method.getParams().setParameter(HttpMethodParams.RETRY_HANDLER,
            new DefaultHttpMethodRetryHandler(3, false));
    method.getParams().setParameter("http.useragent", "");

    InputStream responseStream = null;
    Document document = null;//from  ww w  .j ava2 s . c om

    try {
        client.executeMethod(method);
        responseStream = method.getResponseBodyAsStream();
        document = builder.build(responseStream);
    } finally {
        if (responseStream != null)
            responseStream.close();
        method.releaseConnection();
    }

    return document;
}

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From source file:com.xpn.xwiki.plugin.feed.XWikiFeedFetcher.java

/**
 * @param urlStr//from  w w w. jav a  2s. c  om
 * @param method
 * @return
 * @throws IOException
 * @throws HttpException
 * @throws FetcherException
 * @throws FeedException
 */
private static SyndFeed retrieveFeed(String urlStr, HttpMethod method)
        throws IOException, FetcherException, FeedException {

    InputStream stream = null;
    if ((method.getResponseHeader("Content-Encoding") != null)
            && ("gzip".equalsIgnoreCase(method.getResponseHeader("Content-Encoding").getValue()))) {
        stream = new GZIPInputStream(method.getResponseBodyAsStream());
    } else {
        stream = method.getResponseBodyAsStream();
    }
    try {
        XmlReader reader = null;
        if (method.getResponseHeader("Content-Type") != null) {
            reader = new XmlReader(stream, method.getResponseHeader("Content-Type").getValue(), true);
        } else {
            reader = new XmlReader(stream, true);
        }
        return new SyndFeedInput().build(reader);
    } finally {
        if (stream != null) {
            stream.close();
        }
    }
}

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From source file:apm.common.utils.HttpTookit.java

/**
 * HTTP GET?HTML/*from  ww w  . j  av  a2s  .c  om*/
 * 
 * @param url
 *            URL?
 * @param queryString
 *            ?,?null
 * @param charset
 *            
 * @param pretty
 *            ?
 * @return ?HTML
 */
public static String doGet(String url, String queryString, String charset, boolean pretty) {
    StringBuffer response = new StringBuffer();
    HttpClient client = new HttpClient();
    HttpMethod method = new GetMethod(url);
    try {
        if (StringUtils.isNotBlank(queryString))
            // get??http?????%?
            method.setQueryString(URIUtil.encodeQuery(queryString));
        client.executeMethod(method);
        if (method.getStatusCode() == HttpStatus.SC_OK) {
            BufferedReader reader = new BufferedReader(
                    new InputStreamReader(method.getResponseBodyAsStream(), charset));
            String line;
            while ((line = reader.readLine()) != null) {
                if (pretty) {
                    response.append(line).append(System.getProperty("line.separator"));
                } else {
                    response.append(line);
                }
            }
            reader.close();
        }
    } catch (URIException e) {
        log.error("HTTP Get?" + queryString + "???", e);
    } catch (IOException e) {
        log.error("HTTP Get" + url + "??", e);
    } finally {
        method.releaseConnection();
    }
    return response.toString();
}

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From source file:it.geosolutions.mariss.wps.gs.DownloadProcess.java

private static boolean downloadVectorDataFromLocalhost(String url, File outDest, HttpConnectionManager manager)
        throws ProcessException {

    HttpClient client = new HttpClient(manager);
    HttpMethod method = new GetMethod(url);
    OutputStream out = null;//from   w  w w  . jav  a2 s . com
    InputStream in = null;
    try {
        client.executeMethod(method);
        out = new FileOutputStream(outDest);
        in = method.getResponseBodyAsStream();
        IOUtils.copy(in, out);
    } catch (Exception e) {
        LOGGER.severe(e.getMessage());
        throw new ProcessException("error in vector data download...");
    } finally {
        if (in != null) {
            try {
                in.close();
            } catch (IOException e) {
                LOGGER.severe(e.getMessage());
            }
        }
        if (out != null) {
            try {
                out.close();
            } catch (IOException e) {
                LOGGER.severe(e.getMessage());
            }
        }
    }
    LOGGER.info("Vector Resource downloaded");
    return true;
}

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From source file:apm.common.utils.HttpTookit.java

/**
 * HTTP POST?HTML//  w w w.  j a v  a 2 s.c  o  m
 * 
 * @param url
 *            URL?
 * @param params
 *            ?,?null
 * @param charset
 *            
 * @param pretty
 *            ?
 * @return ?HTML
 */
public static String doPost(String url, Map<String, String> params, String charset, boolean pretty) {
    StringBuffer response = new StringBuffer();
    HttpClient client = new HttpClient();
    HttpMethod method = new PostMethod(url);
    // Http Post?
    if (params != null) {
        HttpMethodParams p = new HttpMethodParams();
        for (Map.Entry<String, String> entry : params.entrySet()) {
            p.setParameter(entry.getKey(), entry.getValue());
        }
        method.setParams(p);
    }
    try {
        client.executeMethod(method);
        if (method.getStatusCode() == HttpStatus.SC_OK) {
            BufferedReader reader = new BufferedReader(
                    new InputStreamReader(method.getResponseBodyAsStream(), charset));
            String line;
            while ((line = reader.readLine()) != null) {
                if (pretty) {
                    response.append(line).append(System.getProperty("line.separator"));
                } else {
                    response.append(line);
                }
            }
            reader.close();
        }
    } catch (IOException e) {
        log.error("HTTP Post" + url + "??", e);
    } finally {
        method.releaseConnection();
    }
    return response.toString();
}

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