oc_framework/src/com/owncloud/android/oc_framework/operations/remote/ReadRemoteFileOperation.java

   1 package com.owncloud.android.oc_framework.operations.remote;
   2
   3 import org.apache.http.HttpStatus;
   4 import org.apache.jackrabbit.webdav.DavConstants;
   5 import org.apache.jackrabbit.webdav.MultiStatus;
   6 import org.apache.jackrabbit.webdav.client.methods.PropFindMethod;
   7
   8 import android.util.Log;
   9
  10 import com.owncloud.android.oc_framework.network.webdav.WebdavClient;
  11 import com.owncloud.android.oc_framework.network.webdav.WebdavEntry;
  12 import com.owncloud.android.oc_framework.network.webdav.WebdavUtils;
  13 import com.owncloud.android.oc_framework.operations.RemoteOperation;
  14 import com.owncloud.android.oc_framework.operations.RemoteOperationResult;
  15
  16 public class ReadRemoteFileOperation extends RemoteOperation {
  17
  18         private static final String TAG = ReadRemoteFileOperation.class.getSimpleName();
  19
  20         private String mRemotePath;
  21         private WebdavEntry mWe;
  22
  23         public WebdavEntry getWEntry() {
  24                 return mWe;
  25         }
  26
  27         public ReadRemoteFileOperation(String remotePath) {
  28                 mRemotePath = remotePath;
  29         }
  30
  31         @Override
  32         protected RemoteOperationResult run(WebdavClient client) {
  33                 RemoteOperationResult result = null;
  34         PropFindMethod query = null;
  35
  36         try {
  37             // remote request
  38             query = new PropFindMethod(client.getBaseUri() + WebdavUtils.encodePath(mRemotePath),
  39                     DavConstants.PROPFIND_ALL_PROP,
  40                     DavConstants.DEPTH_1);
  41             int status = client.executeMethod(query);
  42
  43             // check and process response
  44             if (isMultiStatus(status)) {
  45                 MultiStatus dataInServer = query.getResponseBodyAsMultiStatus();
  46                 // parse data from remote folder
  47                 mWe = new WebdavEntry(dataInServer.getResponses()[0], client.getBaseUri().getPath());
  48                 result = new RemoteOperationResult(true, status, query.getResponseHeaders());
  49             } else {
  50                 // synchronization failed
  51                 client.exhaustResponse(query.getResponseBodyAsStream());
  52                 result = new RemoteOperationResult(false, status, query.getResponseHeaders());
  53             }
  54
  55         } catch (Exception e) {
  56             result = new RemoteOperationResult(e);
  57
  58
  59         } finally {
  60             if (query != null)
  61                 query.releaseConnection();  // let the connection available for other methods
  62             if (result.isSuccess()) {
  63                 Log.i(TAG, "Synchronized "  + mRemotePath + ": " + result.getLogMessage());
  64             } else {
  65                 if (result.isException()) {
  66                     Log.e(TAG, "Synchronized " + mRemotePath  + ": " + result.getLogMessage(), result.getException());
  67                 } else {
  68                     Log.e(TAG, "Synchronized " + mRemotePath + ": " + result.getLogMessage());
  69                 }
  70             }
  71
  72         }
  73         return result;
  74         }
  75
  76     public boolean isMultiStatus(int status) {
  77         return (status == HttpStatus.SC_MULTI_STATUS);
  78     }
  79
  80 }