From b1ab7347b92329512bebe57f6624cae33c27036f Mon Sep 17 00:00:00 2001 From: steckbrief Date: Sun, 29 May 2016 20:33:36 +0200 Subject: FileTransfer reworked (first steps - functionality as is), HttpUpload separated, some bugfixes - HttpUpload moved into own package - FileTransfer managed by a central manager class, several FileTransferService implementation can be used - Security initializations moved to ConversationsPlusApplication - Access to PowerManager moved to ConversationsPlusApplication - Removed unused code fragments - Access to HttpConnectionManager is now static --- .../services/filetransfer/FileTransferManager.java | 127 +++++++++++++++++++++ 1 file changed, 127 insertions(+) create mode 100644 src/main/java/de/thedevstack/conversationsplus/services/filetransfer/FileTransferManager.java (limited to 'src/main/java/de/thedevstack/conversationsplus/services/filetransfer/FileTransferManager.java') diff --git a/src/main/java/de/thedevstack/conversationsplus/services/filetransfer/FileTransferManager.java b/src/main/java/de/thedevstack/conversationsplus/services/filetransfer/FileTransferManager.java new file mode 100644 index 00000000..f7b3f4e2 --- /dev/null +++ b/src/main/java/de/thedevstack/conversationsplus/services/filetransfer/FileTransferManager.java @@ -0,0 +1,127 @@ +package de.thedevstack.conversationsplus.services.filetransfer; + +import java.util.HashMap; +import java.util.Map; +import java.util.SortedSet; +import java.util.TreeSet; + +import de.thedevstack.android.logcat.Logging; +import de.thedevstack.conversationsplus.Config; +import de.thedevstack.conversationsplus.entities.Message; +import de.thedevstack.conversationsplus.services.FileTransferService; + +/** + * + */ +public class FileTransferManager implements FileTransferService { + private SortedSet transferServices; + private static final FileTransferManager INSTANCE = new FileTransferManager(); + + private FileTransferManager() { + this.transferServices = new TreeSet<>(); + } + + public static FileTransferManager getInstance() { + return INSTANCE; + } + + public static void init(FileTransferService... fileTransferServices) { + if (null != fileTransferServices && fileTransferServices.length > 0) { + for (FileTransferService fts : fileTransferServices) { + addFileTransferService(fts); + } + } + } + + public static void init(HashMap fileTransferServices) { + for (Map.Entry entry : fileTransferServices.entrySet()) { + addFileTransferService(entry.getKey(), entry.getValue()); + } + } + + public static void addFileTransferService(int weight, FileTransferService fts) { + INSTANCE.transferServices.add(new WeightedTransferService(weight, fts)); + } + + public static void addFileTransferService(FileTransferService fts) { + int weight = 1; + if (!INSTANCE.transferServices.isEmpty()) { + weight = INSTANCE.transferServices.last().weight + 1; + } + addFileTransferService(weight, fts); + } + + /** + * Transfers a file for the corresponding message. + * + * @param message the message containing the file to transfer + * @return true if the file transfer was successful, false otherwise + */ + public boolean transferFile(Message message) { + return this.transferFile(message, false); + } + + /** + * Transfers a file for the corresponding message. + * + * @param message the message containing the file to transfer + * @param delay whether the message is delayed or not + * @return true if the file transfer was successful, false otherwise + */ + @Override + public boolean transferFile(Message message, boolean delay) { + Logging.d(Config.LOGTAG, "send file message"); + boolean transferSuccessfullyStarted = false; + for (WeightedTransferService wts : this.transferServices) { + try { + if (wts.fileTransferService.accept(message)) { + transferSuccessfullyStarted = wts.fileTransferService.transferFile(message, delay); + if (transferSuccessfullyStarted) { + break; + } + } + } catch (Exception e) { + //TODO Do real exception handling!!!!! + } + } + return transferSuccessfullyStarted; + } + + /** + * Checks whether a message can be sent using this service or not. + * + * @param message the message to be checked + * @return true if the message can be processed, false otherwise + */ + @Override + public boolean accept(Message message) { + return message.needsUploading(); + } + + static class WeightedTransferService implements Comparable { + int weight; + FileTransferService fileTransferService; + + WeightedTransferService(int weight, FileTransferService service) { + this.weight = weight; + this.fileTransferService = service; + } + + /** + * Compares this object to the specified object to determine their relative + * order. + * + * @param another the object to compare to this instance. + * @return a negative integer if this instance is less than {@code another}; + * a positive integer if this instance is greater than + * {@code another}; 0 if this instance has the same order as + * {@code another}. + * @throws ClassCastException if {@code another} cannot be converted into something + * comparable to {@code this} instance. + */ + @Override + public int compareTo(WeightedTransferService another) { + return this.weight - another.weight; + } + } +} -- cgit v1.2.3