Example usage for com.google.gwt.filereader.client FileReader addErrorHandler

Introduction

In this page you can find the example usage for com.google.gwt.filereader.client FileReader addErrorHandler.

Prototype

public final native void addErrorHandler(ErrorHandler handler);

Source Link

Usage

From source file:org.rest.client.task.DefinitionsErrorDialog.java

License:Apache License

private void parseFile() {
    if (fileImport.getFiles().size() == 0)
        return;//from   w  ww .  j ava2s  .  co  m
    cancel.setEnabled(false);
    File file = fileImport.getFiles().get(0);
    FileReader reader = FileReader.create();
    reader.addLoadHandler(new LoadHandler() {
        @Override
        public void onLoad(File file) {
            result = file.getResult();
            dialog.hide();
        }
    });
    reader.addErrorHandler(new ErrorHandler() {
        @Override
        public void onError(File file, FileError error) {
            errorField.setInnerText("Unable read file :(");
            errorField.removeClassName("hidden");
            cancel.setEnabled(true);
        }
    });
    reader.readAsText(file);
}

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