hamcrest customized matcher

FileExist.java

public class FileExist extends TypeSafeMatcher<File> {

    private final boolean isEexpectedResult;
    private File inspected;

    public FileExist(boolean exceptedResult) {
        this.isEexpectedResult = exceptedResult;
    }

    @Override
    public void describeTo(Description description) {
        description.appendText(inspected.getAbsolutePath());
        if (isEexpectedResult) {
            description.appendText(" exist");
        } else {
            description.appendText(" does not exist");
        }

    }

    @Override
    protected void describeMismatchSafely(File item, Description mismatchDescription) {
        mismatchDescription.appendText(inspected.getName());
        if (isEexpectedResult) {
            mismatchDescription.appendText(" does not exist.");
        } else {
            mismatchDescription.appendText(" exist.");
        }

    }

    @Override
    protected boolean matchesSafely(File item) {
        this.inspected = item;
        return item.exists() == isEexpectedResult;
    }

    @Factory
    public static <T> Matcher<File> exist() {
        return new FileExist(true);
    }

    @Factory
    public static <T> Matcher<File> NotExist() {
        return new FileExist(false);
    }

}