Include more possible errors and revise NO_SPACE_LEFT_ON_DEVICE error

src/com/sheepit/client/Client.java

@@ -50,6 +50,8 @@ import com.sheepit.client.exception.FermeExceptionNoRendererAvailable;
 import com.sheepit.client.exception.FermeExceptionNoRightToRender;
 import com.sheepit.client.exception.FermeExceptionNoSession;
 import com.sheepit.client.exception.FermeExceptionNoSpaceLeftOnDevice;
+import com.sheepit.client.exception.FermeExceptionPathInvalid;
+import com.sheepit.client.exception.FermeExceptionNoWritePermission;
 import com.sheepit.client.exception.FermeExceptionServerInMaintenance;
 import com.sheepit.client.exception.FermeExceptionServerOverloaded;
 import com.sheepit.client.exception.FermeExceptionSessionDisabled;
@@ -390,7 +392,7 @@ import okhttp3.HttpUrl;
 					this.noJobRetryIter = 0;
 					
 					ret = this.work(this.renderingJob);
-					if (ret == Error.Type.NO_SPACE_LEFT_ON_DEVICE) {
+					if (ret == Error.Type.NO_SPACE_LEFT_ON_DEVICE || ret == Error.Type.PATH_INVALID || ret == Error.Type.NO_WRITE_PERMISSION ) {
 						Job frame_to_reset = this.renderingJob; // copy it because the sendError will take ~5min to execute
 						this.renderingJob = null;
 						this.gui.error(Error.humanString(ret));
@@ -746,10 +748,21 @@ import okhttp3.HttpUrl;
 				return Error.Type.CAN_NOT_CREATE_DIRECTORY;
 			}
 		}
-		catch (FermeExceptionNoSpaceLeftOnDevice e) {
+		catch (FermeException e) {
 			gui.setRenderingProjectName("");
+			if (e instanceof FermeExceptionNoSpaceLeftOnDevice) {
 				return Error.Type.NO_SPACE_LEFT_ON_DEVICE;
 			}
+			else if (e instanceof FermeExceptionPathInvalid) {
+				return Error.Type.PATH_INVALID;
+			}
+			else if (e instanceof FermeExceptionNoWritePermission) {
+				return Error.Type.NO_WRITE_PERMISSION;
+			}
+			else {
+				return Error.Type.UNKNOWN;
+			}
+		}
 		
 		final File scene_file = new File(ajob.getScenePath());
 		File renderer_file = new File(ajob.getRendererPath());
@@ -797,17 +810,17 @@ import okhttp3.HttpUrl;
 		return Error.Type.OK;
 	}
 	
-	protected Error.Type downloadSceneFile(Job ajob_) throws FermeExceptionNoSpaceLeftOnDevice {
+	protected Error.Type downloadSceneFile(Job ajob_) throws FermeException {
 		return this.downloadFile(ajob_, ajob_.getRequiredSceneArchivePath(), ajob_.getSceneMD5(),
 				String.format(LOCALE, "%s?type=job&job=%s", this.server.getPage("download-archive"), ajob_.getId()), "project");
 	}
 	
-	protected Error.Type downloadExecutable(Job ajob) throws FermeExceptionNoSpaceLeftOnDevice {
+	protected Error.Type downloadExecutable(Job ajob) throws FermeException {
 		return this.downloadFile(ajob, ajob.getRequiredRendererArchivePath(), ajob.getRendererMD5(),
 				String.format(LOCALE, "%s?type=binary&job=%s", this.server.getPage("download-archive"), ajob.getId()), "renderer");
 	}
 	
-	private Error.Type downloadFile(Job ajob, String local_path, String md5_server, String url, String download_type) throws FermeExceptionNoSpaceLeftOnDevice {
+	private Error.Type downloadFile(Job ajob, String local_path, String md5_server, String url, String download_type) throws FermeException {
 		File local_path_file = new File(local_path);
 		String update_ui = "Downloading " + download_type;
 		
@@ -937,7 +950,7 @@ import okhttp3.HttpUrl;
 		Utils.delete(new File(ajob.getSceneDirectory()));
 	}
 	
-	protected int prepareWorkingDirectory(Job ajob) throws FermeExceptionNoSpaceLeftOnDevice {
+	protected int prepareWorkingDirectory(Job ajob) {
 		int ret;
 		String bestRendererArchive = ajob.getRequiredRendererArchivePath();
 		String renderer_archive = ajob.getRendererArchivePath();

src/com/sheepit/client/Error.java

@@ -54,7 +54,7 @@ public class Error {
 		IMAGE_WRONG_DIMENSION(26),
 		
 		// internal error handling
-		NO_SPACE_LEFT_ON_DEVICE(100), ERROR_BAD_RESPONSE(101),
+		NO_SPACE_LEFT_ON_DEVICE(100), ERROR_BAD_RESPONSE(101), PATH_INVALID(102), NO_WRITE_PERMISSION(103)
 		;
 		
 		private final int id;
@@ -195,7 +195,11 @@ public class Error {
 			case ENGINE_NOT_AVAILABLE:
 				return "Project requires a rendering engine that isn't supported on this machine. Will try another project in a few minutes.";
 			case NO_SPACE_LEFT_ON_DEVICE:
-				return "No space left on hard disk.";
+				return "Your storage medium does not have enough free space available.";
+			case PATH_INVALID:
+				return "The working directory path is not valid";
+			case NO_WRITE_PERMISSION:
+				return "Can't create/modify files due to missing write permissions in working directory.";
 			case IMAGE_WRONG_DIMENSION:
 				return "Rendered image was the wrong resolution. Project is configured incorrectly. Switching to another project.";
 			default:

src/com/sheepit/client/Server.java

@@ -72,6 +72,8 @@ import com.sheepit.client.exception.FermeExceptionNoRendererAvailable;
 import com.sheepit.client.exception.FermeExceptionNoRightToRender;
 import com.sheepit.client.exception.FermeExceptionNoSession;
 import com.sheepit.client.exception.FermeExceptionNoSpaceLeftOnDevice;
+import com.sheepit.client.exception.FermeExceptionPathInvalid;
+import com.sheepit.client.exception.FermeExceptionNoWritePermission;
 import com.sheepit.client.exception.FermeExceptionServerInMaintenance;
 import com.sheepit.client.exception.FermeExceptionServerOverloaded;
 import com.sheepit.client.exception.FermeExceptionSessionDisabled;
@@ -448,7 +450,7 @@ public class Server extends Thread {
 		}
 	}
 	
-	public Error.Type HTTPGetFile(String url_, String destination_, Gui gui_, String status_) throws FermeExceptionNoSpaceLeftOnDevice {
+	public Error.Type HTTPGetFile(String url_, String destination_, Gui gui_, String status_) throws FermeException {
 		InputStream is = null;
 		OutputStream output = null;
 
@@ -503,7 +505,14 @@ public class Server extends Thread {
 			return Error.Type.OK;
 		}
 		catch (Exception e) {
-			if (Utils.noFreeSpaceOnDisk(new File(destination_).getParent(), log)) {
+			File destFile = new File(destination_);
+			if (destFile.getParentFile().isDirectory() == false) {
+				throw new FermeExceptionPathInvalid();
+			}
+			else if (destFile.canWrite() == false) {
+				throw new FermeExceptionNoWritePermission();
+			}
+			else if (Utils.noFreeSpaceOnDisk(destFile.getParent(), log)) {
 				throw new FermeExceptionNoSpaceLeftOnDevice();
 			}
 			

src/com/sheepit/client/Utils.java

@@ -20,7 +20,6 @@
 package com.sheepit.client;
 
 import com.sheepit.client.Error.ServerCode;
-import com.sheepit.client.exception.FermeExceptionNoSpaceLeftOnDevice;
 import net.lingala.zip4j.ZipFile;
 import net.lingala.zip4j.exception.ZipException;
 import org.w3c.dom.Document;
@@ -48,8 +47,7 @@ import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
 public class Utils {
-	public static int unzipFileIntoDirectory(String zipFileName_, String destinationDirectory, char[] password, Log log)
+	public static int unzipFileIntoDirectory(String zipFileName_, String destinationDirectory, char[] password, Log log) {
-			throws FermeExceptionNoSpaceLeftOnDevice {
 		try {
 			ZipFile zipFile = new ZipFile(zipFileName_);
 //			unzipParameters.setIgnoreDateTimeAttributes(true);

src/com/sheepit/client/exception/FermeExceptionNoWritePermission.java

@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2016 Laurent CLOUET
+ * Author Laurent CLOUET <laurent.clouet@nopnop.net>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; version 2
+ * of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+package com.sheepit.client.exception;
+
+public class FermeExceptionNoWritePermission extends FermeException {
+	public FermeExceptionNoWritePermission() {
+		super();
+	}
+	
+	public FermeExceptionNoWritePermission(String message_) {
+		super(message_);
+	}
+}

src/com/sheepit/client/exception/FermeExceptionPathInvalid.java

@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2016 Laurent CLOUET
+ * Author Laurent CLOUET <laurent.clouet@nopnop.net>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; version 2
+ * of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+package com.sheepit.client.exception;
+
+public class FermeExceptionPathInvalid extends FermeException {
+	public FermeExceptionPathInvalid() {
+		super();
+	}
+	
+	public FermeExceptionPathInvalid(String message_) {
+		super(message_);
+	}
+}