Examples of com.asakusafw.runtime.io.TsvParser

com.asakusafw.runtime.io.TsvParser

TSVファイルを解析してレコードを読み出す。

次のように利用する。

 Reader reader = ...; SomeModel model = new SomeModel(); try { TsvParser parser = new TsvParser(reader); while (parser.hasNext()) { parser.fill(model.getHogeOption()); parser.fill(model.getFooOption()); parser.fill(model.getBarOption()); performModelAction(model); } } finally { reader.close(); }

特に指定がない限り、このクラスのメソッドの引数に {@code null}を指定した場合には {@link NullPointerException}がスローされる。

        DataInputBuffer input = new DataInputBuffer();
        input.reset(output.getData(), output.getLength());
        ModelInput<Object> modelIn = (ModelInput<Object>) type.getAnnotation(ModelInputLocation.class)
            .value()
            .getDeclaredConstructor(RecordParser.class)
            .newInstance(new TsvParser(new InputStreamReader(input, "UTF-8")));
        ModelWrapper copy = loader.newModel("Simple");


        modelIn.readTo(copy.unwrap());
        assertThat(copy.get("sid"), is((Object) 1L));
        assertThat(copy.get("value"), is((Object) new Text("hello")));

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        DataInputBuffer input = new DataInputBuffer();
        input.reset(output.getData(), output.getLength());
        ModelInput<Object> modelIn = (ModelInput<Object>) type.getAnnotation(ModelInputLocation.class)
            .value()
            .getDeclaredConstructor(RecordParser.class)
            .newInstance(new TsvParser(new InputStreamReader(input, "UTF-8")));
        ModelWrapper copy = loader.newModel("Primitives");
        modelIn.readTo(copy.unwrap());
        assertThat(object.unwrap(), equalTo(copy.unwrap()));
        assertThat(input.read(), is(-1));
        modelIn.close();

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    private void init(String fileName) throws IOException {
        InputStream in = ModelInputEmitterTest.class
            .getResourceAsStream("tsv/" + fileName);
        assertThat(fileName, in, is(not(nullValue())));
        parser = new TsvParser(new InputStreamReader(in, "UTF-8"));
    }

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    private StringWriter buffer;


    private RecordEmitter emitter;


    private RecordParser parser() throws IOException {
        return new TsvParser(new StringReader(buffer.toString()));
    }

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