OC-2677: Create GetSharesForFileRemoteOperation in library

src/com/owncloud/android/lib/operations/remote/CreateShareRemoteOperation.java

@@ -124,7 +124,6 @@ public class CreateShareRemoteOperation extends RemoteOperation {
 
 				result = new RemoteOperationResult(ResultCode.OK);
 				
-				// TODO
 				// Parse xml response --> obtain the response in ShareFiles ArrayList
 				// convert String into InputStream
 				InputStream is = new ByteArrayInputStream(response.getBytes());

src/com/owncloud/android/lib/operations/remote/GetSharesForFileRemoteOperation.java

@@ -0,0 +1,150 @@
+/* ownCloud Android Library is available under MIT license
+ *   Copyright (C) 2014 ownCloud (http://www.owncloud.org/)
+ *   
+ *   Permission is hereby granted, free of charge, to any person obtaining a copy
+ *   of this software and associated documentation files (the "Software"), to deal
+ *   in the Software without restriction, including without limitation the rights
+ *   to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ *   copies of the Software, and to permit persons to whom the Software is
+ *   furnished to do so, subject to the following conditions:
+ *   
+ *   The above copyright notice and this permission notice shall be included in
+ *   all copies or substantial portions of the Software.
+ *   
+ *   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 
+ *   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ *   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 
+ *   NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 
+ *   BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 
+ *   ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 
+ *   CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ *   THE SOFTWARE.
+ *
+ */
+
+package com.owncloud.android.lib.operations.remote;
+
+import java.io.ByteArrayInputStream;
+import java.io.InputStream;
+import java.util.ArrayList;
+
+import org.apache.commons.httpclient.NameValuePair;
+import org.apache.commons.httpclient.methods.GetMethod;
+import org.apache.commons.httpclient.methods.PostMethod;
+import org.apache.http.HttpStatus;
+
+import android.util.Log;
+
+import com.owncloud.android.lib.network.OwnCloudClient;
+import com.owncloud.android.lib.operations.common.OCShare;
+import com.owncloud.android.lib.operations.common.RemoteOperation;
+import com.owncloud.android.lib.operations.common.RemoteOperationResult;
+import com.owncloud.android.lib.operations.common.RemoteOperationResult.ResultCode;
+import com.owncloud.android.lib.utils.ShareUtils;
+import com.owncloud.android.lib.utils.ShareXMLParser;
+
+/**
+ * Provide a list shares for a specific file.  
+ * The input is the full path of the desired file.  
+ * The output is a list of everyone who has the file shared with them.
+ * 
+ * @author masensio
+ *
+ */
+
+public class GetSharesForFileRemoteOperation extends RemoteOperation {
+
+	private static final String TAG = GetSharesForFileRemoteOperation.class.getSimpleName();
+	
+	private static final String PARAM_PATH = "path";
+	private static final String PARAM_RESHARES = "reshares";
+	private static final String PARAM_SUBFILES = "subfiles";
+
+	private ArrayList<OCShare> mShares;  // List of shares for result, one share in this case
+	
+	private String mPath;
+	private boolean mReshares;
+	private boolean mSubfiles;
+	
+	/**
+	 * Constructor
+	 * 
+	 * @param path		Path to file or folder
+	 * @param reshares	If set to ‘false’ (default), only shares from the current user are returned
+	 * 					If set to ‘true’, all shares from the given file are returned
+	 * @param subfiles	If set to ‘false’ (default), lists only the folder being shared
+	 * 					If set to ‘true’, all shared files within the folder are returned.
+	 */
+	public GetSharesForFileRemoteOperation(String path, boolean reshares, boolean subfiles) {
+		mPath = path;
+		mReshares = reshares;
+		mSubfiles = subfiles;
+	}
+
+	@Override
+	protected RemoteOperationResult run(OwnCloudClient client) {
+		RemoteOperationResult result = null;
+		int status = -1;
+
+		GetMethod get = null;
+
+		try {
+			// Get Method
+			get = new GetMethod(client.getBaseUri() + ShareUtils.SHAREAPI_ROUTE);
+			Log.d(TAG, "URL ------> " + client.getBaseUri() + ShareUtils.SHAREAPI_ROUTE);
+
+			// Add Parameters to Get Method
+			get.setQueryString(new NameValuePair[] { 
+				    new NameValuePair(PARAM_PATH, mPath) 
+				}); 
+			get.setQueryString(new NameValuePair[] { 
+				    new NameValuePair(PARAM_RESHARES, String.valueOf(mReshares)) 
+				}); 
+			get.setQueryString(new NameValuePair[] { 
+				    new NameValuePair(PARAM_SUBFILES, String.valueOf(mSubfiles)) 
+				}); 
+
+			status = client.executeMethod(get);
+
+			if(isSuccess(status)) {
+				String response = get.getResponseBodyAsString();
+				Log.d(TAG, "Successful response: " + response);
+
+				result = new RemoteOperationResult(ResultCode.OK);
+				
+				// Parse xml response --> obtain the response in ShareFiles ArrayList
+				// convert String into InputStream
+				InputStream is = new ByteArrayInputStream(response.getBytes());
+				ShareXMLParser xmlParser = new ShareXMLParser();
+				mShares = xmlParser.parseXMLResponse(is);
+				if (mShares != null) {
+					Log.d(TAG, "Shares: " + mShares.size());
+					result = new RemoteOperationResult(ResultCode.OK);
+					ArrayList<Object> sharesObjects = new ArrayList<Object>();
+					for (OCShare share: mShares) {
+						sharesObjects.add(share);
+					}
+					result.setData(sharesObjects);
+				}
+
+			} else {
+				result = new RemoteOperationResult(false, status, get.getResponseHeaders());
+			}
+			
+		} catch (Exception e) {
+			result = new RemoteOperationResult(e);
+			Log.e(TAG, "Exception while Creating New Share", e);
+			
+		} finally {
+			if (get != null) {
+				get.releaseConnection();
+			}
+		}
+		return result;
+	}
+
+	private boolean isSuccess(int status) {
+		return (status == HttpStatus.SC_OK);
+	}
+
+}