[02/51] [partial] incubator-metron git commit: Initial import of code from https://github.com/OpenSOC/opensoc at ac0b00373f8f56dfae03a8109af5feb373ea598e.

[om...@apache.org]

http://git-wip-us.apache.org/repos/asf/incubator-metron/blob/05e188ba/opensoc-ui/lib/public/vendor/filesaver.js
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diff --git a/opensoc-ui/lib/public/vendor/filesaver.js b/opensoc-ui/lib/public/vendor/filesaver.js
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+/* FileSaver.js
+ * A saveAs() FileSaver implementation.
+ * 2013-01-23
+ *
+ * By Eli Grey, http://eligrey.com
+ * License: X11/MIT
+ *   See LICENSE.md
+ */
+
+/*global self */
+/*jslint bitwise: true, regexp: true, confusion: true, es5: true, vars: true, white: true,
+  plusplus: true */
+
+/*! @source http://purl.eligrey.com/github/FileSaver.js/blob/master/FileSaver.js */
+
+var saveAs = saveAs
+  || (navigator.msSaveOrOpenBlob && navigator.msSaveOrOpenBlob.bind(navigator))
+  || (function(view) {
+  "use strict";
+  var
+      doc = view.document
+      // only get URL when necessary in case BlobBuilder.js hasn't overridden it yet
+    , get_URL = function() {
+      return view.URL || view.webkitURL || view;
+    }
+    , URL = view.URL || view.webkitURL || view
+    , save_link = doc.createElementNS("http://www.w3.org/1999/xhtml", "a")
+    , can_use_save_link =  !view.externalHost && "download" in save_link
+    , click = function(node) {
+      var event = doc.createEvent("MouseEvents");
+      event.initMouseEvent(
+        "click", true, false, view, 0, 0, 0, 0, 0
+        , false, false, false, false, 0, null
+      );
+      node.dispatchEvent(event);
+    }
+    , webkit_req_fs = view.webkitRequestFileSystem
+    , req_fs = view.requestFileSystem || webkit_req_fs || view.mozRequestFileSystem
+    , throw_outside = function (ex) {
+      (view.setImmediate || view.setTimeout)(function() {
+        throw ex;
+      }, 0);
+    }
+    , force_saveable_type = "application/octet-stream"
+    , fs_min_size = 0
+    , deletion_queue = []
+    , process_deletion_queue = function() {
+      var i = deletion_queue.length;
+      while (i--) {
+        var file = deletion_queue[i];
+        if (typeof file === "string") { // file is an object URL
+          URL.revokeObjectURL(file);
+        } else { // file is a File
+          file.remove();
+        }
+      }
+      deletion_queue.length = 0; // clear queue
+    }
+    , dispatch = function(filesaver, event_types, event) {
+      event_types = [].concat(event_types);
+      var i = event_types.length;
+      while (i--) {
+        var listener = filesaver["on" + event_types[i]];
+        if (typeof listener === "function") {
+          try {
+            listener.call(filesaver, event || filesaver);
+          } catch (ex) {
+            throw_outside(ex);
+          }
+        }
+      }
+    }
+    , FileSaver = function(blob, name) {
+      // First try a.download, then web filesystem, then object URLs
+      var
+          filesaver = this
+        , type = blob.type
+        , blob_changed = false
+        , object_url
+        , target_view
+        , get_object_url = function() {
+          var object_url = get_URL().createObjectURL(blob);
+          deletion_queue.push(object_url);
+          return object_url;
+        }
+        , dispatch_all = function() {
+          dispatch(filesaver, "writestart progress write writeend".split(" "));
+        }
+        // on any filesys errors revert to saving with object URLs
+        , fs_error = function() {
+          // don't create more object URLs than needed
+          if (blob_changed || !object_url) {
+            object_url = get_object_url(blob);
+          }
+          if (target_view) {
+            target_view.location.href = object_url;
+          } else {
+                        window.open(object_url, "_blank");
+                    }
+          filesaver.readyState = filesaver.DONE;
+          dispatch_all();
+        }
+        , abortable = function(func) {
+          return function() {
+            if (filesaver.readyState !== filesaver.DONE) {
+              return func.apply(this, arguments);
+            }
+          };
+        }
+        , create_if_not_found = {create: true, exclusive: false}
+        , slice
+      ;
+      filesaver.readyState = filesaver.INIT;
+      if (!name) {
+        name = "download";
+      }
+      if (can_use_save_link) {
+        object_url = get_object_url(blob);
+        save_link.href = object_url;
+        save_link.download = name;
+        click(save_link);
+        filesaver.readyState = filesaver.DONE;
+        dispatch_all();
+        return;
+      }
+      // Object and web filesystem URLs have a problem saving in Google Chrome when
+      // viewed in a tab, so I force save with application/octet-stream
+      // http://code.google.com/p/chromium/issues/detail?id=91158
+      if (view.chrome && type && type !== force_saveable_type) {
+        slice = blob.slice || blob.webkitSlice;
+        blob = slice.call(blob, 0, blob.size, force_saveable_type);
+        blob_changed = true;
+      }
+      // Since I can't be sure that the guessed media type will trigger a download
+      // in WebKit, I append .download to the filename.
+      // https://bugs.webkit.org/show_bug.cgi?id=65440
+      if (webkit_req_fs && name !== "download") {
+        name += ".download";
+      }
+      if (type === force_saveable_type || webkit_req_fs) {
+        target_view = view;
+      }
+      if (!req_fs) {
+        fs_error();
+        return;
+      }
+      fs_min_size += blob.size;
+      req_fs(view.TEMPORARY, fs_min_size, abortable(function(fs) {
+        fs.root.getDirectory("saved", create_if_not_found, abortable(function(dir) {
+          var save = function() {
+            dir.getFile(name, create_if_not_found, abortable(function(file) {
+              file.createWriter(abortable(function(writer) {
+                writer.onwriteend = function(event) {
+                  target_view.location.href = file.toURL();
+                  deletion_queue.push(file);
+                  filesaver.readyState = filesaver.DONE;
+                  dispatch(filesaver, "writeend", event);
+                };
+                writer.onerror = function() {
+                  var error = writer.error;
+                  if (error.code !== error.ABORT_ERR) {
+                    fs_error();
+                  }
+                };
+                "writestart progress write abort".split(" ").forEach(function(event) {
+                  writer["on" + event] = filesaver["on" + event];
+                });
+                writer.write(blob);
+                filesaver.abort = function() {
+                  writer.abort();
+                  filesaver.readyState = filesaver.DONE;
+                };
+                filesaver.readyState = filesaver.WRITING;
+              }), fs_error);
+            }), fs_error);
+          };
+          dir.getFile(name, {create: false}, abortable(function(file) {
+            // delete file if it already exists
+            file.remove();
+            save();
+          }), abortable(function(ex) {
+            if (ex.code === ex.NOT_FOUND_ERR) {
+              save();
+            } else {
+              fs_error();
+            }
+          }));
+        }), fs_error);
+      }), fs_error);
+    }
+    , FS_proto = FileSaver.prototype
+    , saveAs = function(blob, name) {
+      return new FileSaver(blob, name);
+    }
+  ;
+  FS_proto.abort = function() {
+    var filesaver = this;
+    filesaver.readyState = filesaver.DONE;
+    dispatch(filesaver, "abort");
+  };
+  FS_proto.readyState = FS_proto.INIT = 0;
+  FS_proto.WRITING = 1;
+  FS_proto.DONE = 2;
+
+  FS_proto.error =
+  FS_proto.onwritestart =
+  FS_proto.onprogress =
+  FS_proto.onwrite =
+  FS_proto.onabort =
+  FS_proto.onerror =
+  FS_proto.onwriteend =
+    null;
+
+  view.addEventListener("unload", process_deletion_queue, false);
+  return saveAs;
+}(self));
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