public final class Sources {

    private Sources() {}

    /**
     * Creates a new source for the specified path.
     *
     * @param path the path to the file
     * @return a new Source instance
     * @throws NullPointerException if path is null
     */
    @Nonnull
    public static Source fromPath(@Nonnull Path path) {
        return new PathSource(requireNonNull(path, "path"));
    }

    /**

   * Returns a view of a slice of this byte source that is at most {@code length} bytes long
   * starting at the given {@code offset}. If {@code offset} is greater than the size of this
   * source, the returned source will be empty. If {@code offset + length} is greater than the size
   * of this source, the returned source will contain the slice starting at {@code offset} and
   * ending at the end of this source.
   *

        if (!source.isEmpty()) {
          return false;
        }
      }
      return true;
    }

    @Override
    public Optional<Long> lengthIfKnown() {
      long result = 0L;
      for (CharSource source : sources) {
        Optional<Long> lengthIfKnown = source.lengthIfKnown();
        if (!lengthIfKnown.isPresent()) {
          return Optional.absent();
        }

        if (!source.isEmpty()) {
          return false;
        }
      }
      return true;
    }

    @Override
    public Optional<Long> lengthIfKnown() {
      long result = 0L;
      for (CharSource source : sources) {
        Optional<Long> lengthIfKnown = source.lengthIfKnown();
        if (!lengthIfKnown.isPresent()) {
          return Optional.absent();
        }

        Path path = Paths.get("/tmp");
        Source source = Sources.fromPath(path);

        assertNotNull(source);
        assertInstanceOf(Sources.PathSource.class, source);
        assertEquals(path.normalize(), source.getPath());
    }

    @Test
    void testBuildSource() {
        Path path = Paths.get("/tmp");
        ModelSource source = Sources.buildSource(path);

        assertNotNull(source);

    assertEquals(STRING.length(), source.copyTo(sink));
    assertTrue(source.wasStreamOpened() && source.wasStreamClosed());
    assertTrue(sink.wasStreamOpened() && sink.wasStreamClosed());

    assertEquals(STRING, sink.getString());
  }

  public void testRead_toString() throws IOException {
    assertEquals(STRING, source.read());
    assertTrue(source.wasStreamOpened() && source.wasStreamClosed());
  }

							<directory>${packaging.fess.lib.dir}/classes</directory>
							<sources>
								<source>
									<location>${project.build.directory}/tomcat-lib</location>
								</source>
							</sources>
						</mapping>
						<mapping>
							<directory>${packaging.fess.lib.dir}/classes/org/codelibs/fess</directory>
							<sources>
								<source>

        mergeModel_Name(target, source, sourceDominant, context);
        mergeModel_Description(target, source, sourceDominant, context);
        mergeModel_Url(target, source, sourceDominant, context);
        mergeModel_InceptionYear(target, source, sourceDominant, context);
        mergeModel_Organization(target, source, sourceDominant, context);
        mergeModel_Licenses(target, source, sourceDominant, context);

                .normalize();
        sources.removeIf(source -> source.scope() == scope
                && source.language() == language
                && source.directory().equals(path));
    }

    /**
     * Removes a source root from the project.
     *
     * @param scope the scope of the source root
     * @param language the language of the source root
     * @param directory the directory of the source root

        ModelSource source = Sources.resolvedSource(path, modelId);

        assertNotNull(source);
        assertEquals(modelId, source.getModelId(), "Resolved source should return the provided modelId");
        assertNull(source.getPath(), "Resolved sources should return null for getPath()");
        assertEquals(path.toString(), source.getLocation());
    }

    @Test