if (data == null) {
            return null;
        }
        try {
            return new String(data, StringUtil.isNotBlank(encoding) ? encoding : Constants.UTF_8);
        } catch (final UnsupportedEncodingException e) {
            return new String(data, Constants.UTF_8_CHARSET);
        }
    }

    /**
     * Returns a string representation of this object.

        setEncoding((String) src.get(ENCODING));
        final String dataStr = (String) src.get(DATA);
        if (dataStr != null) {
            try {
                setData(Base64Util.decode(dataStr));
            } catch (final Exception e) {
                throw new OpenSearchAccessException("data: " + dataStr, e);
            }
        }
    }

    /**

                break;
            default:
                // No operation
                break;
            }
        } catch (final CrawlerSystemException e) {
            if (!ignoreException) {
                throw e;
            }
        } catch (final Exception e) {
            if (!ignoreException) {
                throw new CrawlerSystemException("Could not stop a process.", e);
            }

                        break;
                    }
                    lastTime.wait(delayTime);
                }
            }
        } catch (final InterruptedException e) {
            throw new InterruptedRuntimeException(e);
        } catch (final Exception e) {
            throw new CrawlerSystemException(e);
        }
    }

        assertEquals("Shift_JIS", encoding);
    }

    public void test_getHtml_null() {
        try {
            htmlExtractor.getText(null, null);
            fail();
        } catch (final CrawlerSystemException e) {
            // NOP
        }
    }

                resultData.setData(data.getBytes(Constants.UTF_8_CHARSET));
            }
            resultData.setEncoding(charsetName);

            return resultData;
        } catch (final CrawlerSystemException e) {
            throw e;
        } catch (final Exception e) {
            throw new CrawlerSystemException("Could not store data.", e);
        }
    }

    /**

    public void test_create_nullComponentName() {
        factory.setComponentName(null);

        try {
            factory.create();
            fail("Should throw exception for null component name");
        } catch (Exception e) {
            // Expected behavior
            assertTrue(true);
        }
    }

    /**
     * Test creation with invalid component name
     */

        final String url = "http://test.com/";
        try {
            client.execute(RequestDataBuilder.newRequestData().get().url(url).build());
            fail();
        } catch (final MultipleCrawlingAccessException e) {
            // ok
            final Throwable[] causes = e.getCauses();
            assertEquals(5, causes.length);
        }
        assertEquals(1, testListener.startCount);

            tempFile.setReadable(true, true);
            tempFile.setWritable(false, false);
            tempFile.setWritable(true, true);
            return tempFile;
        } catch (final IOException e) {
            throw new CrawlerSystemException("Could not create a temp file.", e);
        }
    }

        }
    }

    public void test_getText_null() {
        try {
            emlExtractor.getText(null, null);
            fail();
        } catch (final CrawlerSystemException e) {
            // NOP
        }
    }