Java訪問基於NTLM協議的SharePoint List Web服務的樣本！

     最近發現Java的HttpClient從4.1版本以後就開始支援NTLM協議了，之前版本是不支援NTLM協議的（但可以通過開源的JCIFS library實現）。由於項目中其他系統(Java)需要調用基於NTLM協議的SharePoint List Web服務,之前是用了一個開源的Http組件JCIFS library實現類比身份認證的，具體網址如下：http://jcifs.samba.org/src/，這樣就可以正常訪問SharePoint的列表格服務了。

 

    本文主要介紹一種代碼更為簡潔，使用更為簡便的基於最新版本HttpClient 4.2.5，該組件下載網址如下：http://hc.apache.org/downloads.cgi，

      如Java程式需要訪問SharePoint的自訂欄表格服務，在瀏覽器中查看此列表的XML如：

    需要注意的是此XML的編碼方式是採用UTF-8格式的，如採用Dom4j中解析此XML還需要進行特殊的處理，確保檔案頭是UTF-8格式的，預設並不是此格式，完整的Java範例程式碼如下：

import java.io.*;import org.apache.http.HttpEntity;import org.apache.http.HttpResponse;import org.apache.http.client.methods.HttpGet;import org.apache.http.impl.client.DefaultHttpClient;import org.apache.http.util.EntityUtils;import org.apache.http.HttpHost;import org.apache.http.auth.AuthScope;import org.apache.http.auth.NTCredentials;import org.apache.http.client.ClientProtocolException;import org.apache.http.protocol.BasicHttpContext;import org.apache.http.protocol.HttpContext;import java.util.Iterator;import org.dom4j.Document;  import org.dom4j.Element;  import org.dom4j.io.SAXReader;  public class Test {    /**     * @param args     */    public static void main(String[] args) {        // TODO Auto-generated method stub        DefaultHttpClient httpclient = new DefaultHttpClient();        NTCredentials creds = new NTCredentials("UsrName", "PassWord", "my", "contosouat");        httpclient.getCredentialsProvider().setCredentials(AuthScope.ANY, creds);        HttpHost target = new HttpHost("portal.contoso.uat", 80, "http");        // Make sure the same context is used to execute logically related requests        HttpContext localContext = new BasicHttpContext();        // Execute a cheap method first. This will trigger NTLM authentication                    HttpGet httpget = new HttpGet("http://portal.contoso.uat/sites/cockpit/_vti_bin/listdata.svc/自訂欄表");        //httpget.setHeader("accept", "application/json");         HttpResponse response1 = null;        try {            response1 = httpclient.execute(target, httpget, localContext);            //System.out.print(response1.toString());        } catch (ClientProtocolException e) {            // TODO Auto-generated catch block            e.printStackTrace();        } catch (IOException e) {            // TODO Auto-generated catch block            e.printStackTrace();        }        HttpEntity entity1 = response1.getEntity();                try {                                  delFile("c:/自訂欄表.xml");                           saveFile("c:/自訂欄表.xml",EntityUtils.toString(entity1),false);                                                                SAXReader reader = new SAXReader();                         try                {                                                                 Document document = reader.read(new File("c:/自訂欄表.xml"));                                                                                                   Element rootElm = document.getRootElement();                                  // 枚舉根節點下所有子節點                        for (Iterator ie = rootElm.elementIterator(); ie.hasNext();)                  {                             Element element = (Element) ie.next();                                          if(element.getName()=="entry")                     {                                                 for (Iterator ic = element.elementIterator(); ic.hasNext();)                          {                                   Element Celement = (Element) ic.next();                                                           if(Celement.getName()=="content")                              {                                                              for (Iterator ip = Celement.elementIterator(); ip.hasNext();)                                  {                                           Element Pelement = (Element) ip.next();                                                                           for (Iterator ix = Pelement.elementIterator(); ix.hasNext();)                                      {                                               Element Xelement = (Element) ix.next();                                                                                   if(Xelement.getName()=="人員名稱" || Xelement.getName()=="應發工資")                                         {                                             System.out.println(Xelement.getName()+":"+Xelement.getData());                                         }                                     }                                     //System.out.println(Pelement.getName());                                 }                                 //System.out.println(Celement.getName());                              }                         }                                            }                                      }                                                                                                                                                                                  }catch (Exception e) {                // TODO Auto-generated catch block                e.printStackTrace();            }                                          } catch (Exception e) {            // TODO Auto-generated catch block            e.printStackTrace();        }            }               public static void saveFile(String file, String data, boolean append) throws IOException {          BufferedWriter bw = null;          OutputStreamWriter osw = null;                      File f = new File(file);          FileOutputStream fos = new FileOutputStream(f, append);          try {             // write UTF8 BOM mark if file is empty             if (f.length() < 1) {                final byte[] bom = new byte[] { (byte)0xEF, (byte)0xBB, (byte)0xBF };                fos.write(bom);             }             osw = new OutputStreamWriter(fos, "UTF-8");             bw = new BufferedWriter(osw);             if (data != null) bw.write(data);          } catch (IOException ex) {             throw ex;          } finally {             try { bw.close(); fos.close(); } catch (Exception ex) { }          }       }    /**         * 刪除檔案         * @param filePathAndName String 檔案路徑及名稱 如c:/file.xml         * @param fileContent String         * @return boolean         */        public static void delFile(String filePathAndName) {           try {             String filePath = filePathAndName;            filePath = filePath.toString();            java.io.File myDelFile = new java.io.File(filePath);             myDelFile.delete();                 }           catch (Exception e) {            System.out.println("刪除檔案操作出錯");             e.printStackTrace();                 }               }               }

 該代碼執行結果如：

    通過以上步驟就可以正常訪問SharePoint的列表並可以進行正常解析資料，可以根據以上代碼進一步擴充和完善，以滿足實際需求。 

 

本部落格為軟體人生原創，歡迎轉載，轉載請標明出處：http://www.cnblogs.com/nbpowerboy/archive/2013/05/19/3086579.html 。演繹或用於商業目的，但是必須保留本文的署名軟體人生（包含連結）。如您有任何疑問或者授權方面的協商，請給我留言。