Examples of net.emaze.dysfunctional.output.StringOutputIterator

net.emaze.dysfunctional.output.StringOutputIterator
@author rferranti

    public static class Pipe {


        @Test
        public void canPipeFromIterator() {
            final Iterator<String> in = Iterations.iterator("1", "2", "3");
            final StringOutputIterator output = new StringOutputIterator();
            Consumers.pipe(in, output);
            Assert.assertEquals("123", output.toString());
        }

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        }


        @Test
        public void canPipeFromIterable() {
            final Iterable<String> in = Iterations.iterable("1", "2", "3");
            final StringOutputIterator output = new StringOutputIterator();
            Consumers.pipe(in, output);
            Assert.assertEquals("123", output.toString());
        }

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        }


        @Test
        public void canPipeFromArray() {
            final String[] in = new String[]{"1", "2", "3"};
            final StringOutputIterator output = new StringOutputIterator();
            Consumers.pipe(in, output);
            Assert.assertEquals("123", output.toString());
        }

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public class ConsumeIntoOutputIteratorTest {


    @Test
    public void testThatCanConsume() {
        final List<String> input = Arrays.asList("1","2","3","4","5");
        final StringOutputIterator output = new StringOutputIterator();
        final ConsumeIntoOutputIterator<String> pipe = new ConsumeIntoOutputIterator<String>(output);
        pipe.perform(input.iterator());
        Assert.assertEquals("12345", output.toString());
    }

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    }


    @Test
    public void testThatCanConsumeEmptyList() {
        final List<String> input = Arrays.<String>asList();
        final StringOutputIterator output = new StringOutputIterator();
        final ConsumeIntoOutputIterator<String> pipe = new ConsumeIntoOutputIterator<String>(output);
        pipe.perform(input.iterator());
        Assert.assertEquals("", output.toString());
    }

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        Assert.assertEquals("", output.toString());
    }


    @Test(expected = IllegalArgumentException.class)
    public void consumingNullIteratorYieldException() {
        final StringOutputIterator output = new StringOutputIterator();
        new ConsumeIntoOutputIterator<String>(output).perform(null);
    }

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        new ConsumeIntoOutputIterator<String>(null);
    }
    
    @Test(expected = ClassCastException.class)
    public void consumingFromErasureWithWrongTypeYieldsException() {
        final StringOutputIterator output = new StringOutputIterator();
        Delegate pipe = new ConsumeIntoOutputIterator(output);
        pipe.perform(new Object());
    }

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        dbc.precondition(values != null, "calling interpose with a null values");
        dbc.precondition(separators != null, "calling interpose with a null separators");
        final Iterator<String> input = new InterposingIterator<String>(
                new TransformingIterator<String, T>(values, new ToStringTransformer<T>()),
                new TransformingIterator<String, V>(separators, new ToStringTransformer<V>()));
        final StringOutputIterator output = new StringOutputIterator();
        final ConsumeIntoOutputIterator<String> pipe = new ConsumeIntoOutputIterator<String>(output);
        return pipe.perform(input).toString();
    }

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public class JoinStrings<T> implements Delegate<String, Iterator<T>> {


    @Override
    public String perform(Iterator<T> iterator) {
        dbc.precondition(iterator != null, "cannot join a null iterator");
        final StringOutputIterator output = new StringOutputIterator();
        final ConsumeIntoOutputIterator<String> pipe = new ConsumeIntoOutputIterator<String>(output);
        final Iterator<String> elements = new TransformingIterator<String, T>(iterator, new ToStringTransformer<T>());
        return pipe.perform(elements).toString();
    }

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Related Classes of net.emaze.dysfunctional.output.StringOutputIterator

net.emaze.dysfunctional.consumers.ConsumeIntoOutputIteratorTest

net.emaze.dysfunctional.ConsumersTest$Pipe

net.emaze.dysfunctional.strings.InterposeStrings

net.emaze.dysfunctional.strings.JoinStrings

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