Package com.google.common.base.Joiner

Examples of com.google.common.base.Joiner.MapJoiner.join()

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  }

  public void testMap() {
    MapJoiner j = Joiner.on(";").withKeyValueSeparator(":");
    assertEquals("", j.join(ImmutableMap.of()));
    assertEquals(":", j.join(ImmutableMap.of("", "")));

    Map<String, String> mapWithNulls = Maps.newLinkedHashMap();
    mapWithNulls.put("a", null);
    mapWithNulls.put(null, "b");
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    Map<String, String> mapWithNulls = Maps.newLinkedHashMap();
    mapWithNulls.put("a", null);
    mapWithNulls.put(null, "b");

    try {
      j.join(mapWithNulls);
      fail();
    } catch (NullPointerException expected) {
    }

    assertEquals("a:00;00:b", j.useForNull("00").join(mapWithNulls));
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    }
  }

  public void testMap() {
    MapJoiner j = Joiner.on(";").withKeyValueSeparator(":");
    assertEquals("", j.join(ImmutableMap.of()));
    assertEquals(":", j.join(ImmutableMap.of("", "")));

    Map<String, String> mapWithNulls = Maps.newLinkedHashMap();
    mapWithNulls.put("a", null);
    mapWithNulls.put(null, "b");
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  }

  public void testMap() {
    MapJoiner j = Joiner.on(";").withKeyValueSeparator(":");
    assertEquals("", j.join(ImmutableMap.of()));
    assertEquals(":", j.join(ImmutableMap.of("", "")));

    Map<String, String> mapWithNulls = Maps.newLinkedHashMap();
    mapWithNulls.put("a", null);
    mapWithNulls.put(null, "b");
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    Map<String, String> mapWithNulls = Maps.newLinkedHashMap();
    mapWithNulls.put("a", null);
    mapWithNulls.put(null, "b");

    try {
      j.join(mapWithNulls);
      fail();
    } catch (NullPointerException expected) {
    }

    assertEquals("a:00;00:b", j.useForNull("00").join(mapWithNulls));
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    assertEquals("1:2;3:4;5:6", sb.toString());
  }

  public void testEntries() {
    MapJoiner j = Joiner.on(";").withKeyValueSeparator(":");
    assertEquals("", j.join(ImmutableMultimap.of().entries()));
    assertEquals("", j.join(ImmutableMultimap.of().entries().iterator()));
    assertEquals(":", j.join(ImmutableMultimap.of("", "").entries()));
    assertEquals(":", j.join(ImmutableMultimap.of("", "").entries().iterator()));
    assertEquals("1:a;1:b", j.join(ImmutableMultimap.of("1", "a", "1", "b").entries()));
    assertEquals("1:a;1:b", j.join(ImmutableMultimap.of("1", "a", "1", "b").entries().iterator()));
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  }

  public void testEntries() {
    MapJoiner j = Joiner.on(";").withKeyValueSeparator(":");
    assertEquals("", j.join(ImmutableMultimap.of().entries()));
    assertEquals("", j.join(ImmutableMultimap.of().entries().iterator()));
    assertEquals(":", j.join(ImmutableMultimap.of("", "").entries()));
    assertEquals(":", j.join(ImmutableMultimap.of("", "").entries().iterator()));
    assertEquals("1:a;1:b", j.join(ImmutableMultimap.of("1", "a", "1", "b").entries()));
    assertEquals("1:a;1:b", j.join(ImmutableMultimap.of("1", "a", "1", "b").entries().iterator()));
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  public void testEntries() {
    MapJoiner j = Joiner.on(";").withKeyValueSeparator(":");
    assertEquals("", j.join(ImmutableMultimap.of().entries()));
    assertEquals("", j.join(ImmutableMultimap.of().entries().iterator()));
    assertEquals(":", j.join(ImmutableMultimap.of("", "").entries()));
    assertEquals(":", j.join(ImmutableMultimap.of("", "").entries().iterator()));
    assertEquals("1:a;1:b", j.join(ImmutableMultimap.of("1", "a", "1", "b").entries()));
    assertEquals("1:a;1:b", j.join(ImmutableMultimap.of("1", "a", "1", "b").entries().iterator()));

    Map<String, String> mapWithNulls = Maps.newLinkedHashMap();
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  public void testEntries() {
    MapJoiner j = Joiner.on(";").withKeyValueSeparator(":");
    assertEquals("", j.join(ImmutableMultimap.of().entries()));
    assertEquals("", j.join(ImmutableMultimap.of().entries().iterator()));
    assertEquals(":", j.join(ImmutableMultimap.of("", "").entries()));
    assertEquals(":", j.join(ImmutableMultimap.of("", "").entries().iterator()));
    assertEquals("1:a;1:b", j.join(ImmutableMultimap.of("1", "a", "1", "b").entries()));
    assertEquals("1:a;1:b", j.join(ImmutableMultimap.of("1", "a", "1", "b").entries().iterator()));

    Map<String, String> mapWithNulls = Maps.newLinkedHashMap();
    mapWithNulls.put("a", null);
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    MapJoiner j = Joiner.on(";").withKeyValueSeparator(":");
    assertEquals("", j.join(ImmutableMultimap.of().entries()));
    assertEquals("", j.join(ImmutableMultimap.of().entries().iterator()));
    assertEquals(":", j.join(ImmutableMultimap.of("", "").entries()));
    assertEquals(":", j.join(ImmutableMultimap.of("", "").entries().iterator()));
    assertEquals("1:a;1:b", j.join(ImmutableMultimap.of("1", "a", "1", "b").entries()));
    assertEquals("1:a;1:b", j.join(ImmutableMultimap.of("1", "a", "1", "b").entries().iterator()));

    Map<String, String> mapWithNulls = Maps.newLinkedHashMap();
    mapWithNulls.put("a", null);
    mapWithNulls.put(null, "b");
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