java类org.xml.sax.helpers.XMLFilterImpl的实例源码

/**
 * No exception expected when set a correct error handler.
 */
@Test
public void errorHandler01() {
    XMLFilterImpl xmlFilter = new XMLFilterImpl();
    xmlFilter.setErrorHandler(xmlFilter);
    assertNotNull(xmlFilter.getErrorHandler());
}

/**
 * By default true is expected get namespaces feature.
 *
 * @throws Exception If any errors occur.
 */
@Test
public void getFeature01() throws Exception {
    SAXParserFactory spf = SAXParserFactory.newInstance();
    spf.setNamespaceAware(true);
    XMLReader xmlReader = spf.newSAXParser().getXMLReader();

    XMLFilterImpl xmlFilter = new XMLFilterImpl();
    xmlFilter.setParent(xmlReader);
    assertTrue(xmlFilter.getFeature(NAMESPACES));
}

/**
 * By default false is expected get namespaces-prefix feature.
 *
 * @throws Exception If any errors occur.
 */
@Test
public void getFeature02() throws Exception {
    SAXParserFactory spf = SAXParserFactory.newInstance();
    spf.setNamespaceAware(true);
    XMLFilterImpl xmlFilter = new XMLFilterImpl();
    xmlFilter.setParent(spf.newSAXParser().getXMLReader());
    assertFalse(xmlFilter.getFeature(NAMESPACE_PREFIXES));
}

/**
 * Set namespaces-prefix feature to a value to XMLFilter. it's expected same
 * when obtain it again.
 *
 * @throws Exception If any errors occur.
 */
@Test
public void setFeature02() throws Exception {
    SAXParserFactory spf = SAXParserFactory.newInstance();
    spf.setNamespaceAware(true);

    XMLFilterImpl xmlFilter = new XMLFilterImpl();
    xmlFilter.setParent(spf.newSAXParser().getXMLReader());
    xmlFilter.setFeature(NAMESPACE_PREFIXES, false);
    assertFalse(xmlFilter.getFeature(NAMESPACE_PREFIXES));
    xmlFilter.setFeature(NAMESPACE_PREFIXES, true);
    assertTrue(xmlFilter.getFeature(NAMESPACE_PREFIXES));
}

/**
 * SAXException is expected when parsing a invalid formatted XML file.
 *
 * @throws Exception If any errors occur.
 */
@Test(expectedExceptions = NullPointerException.class)
public void parse02() throws Exception {
    try(FileInputStream fis = new FileInputStream(XML_DIR + "invalid.xml")) {
        new XMLFilterImpl().parse(new InputSource(fis));
    }
}

/**
 * No exception when parse a normal XML file.
 *
 * @throws Exception If any errors occur.
 */
@Test(expectedExceptions = NullPointerException.class)
public void parse03() throws Exception {
    try(FileInputStream fis = new FileInputStream(XML_DIR + "correct2.xml")) {
        new XMLFilterImpl().parse(new InputSource(fis));
    }
}

/**
 * No exception expected when set entity resolver as simple entity resolver.
 *
 * @throws Exception If any errors occur.
 */
@Test
public void entity01() throws Exception {
    SAXParserFactory spf = SAXParserFactory.newInstance();
    spf.setNamespaceAware(true);
    XMLReader xmlReader = spf.newSAXParser().getXMLReader();
    XMLFilterImpl xmlFilter = new XMLFilterImpl();
    xmlReader.setEntityResolver(xmlFilter);
    assertEquals(xmlReader.getEntityResolver(), xmlFilter);
}

/**
 * No exception expected when set DTD handler as simple DTD handler.
 *
 * @throws Exception If any errors occur.
 */
@Test
public void dtdhandler01() throws Exception {
    SAXParserFactory spf = SAXParserFactory.newInstance();
    spf.setNamespaceAware(true);
    XMLReader xmlReader = spf.newSAXParser().getXMLReader();
    XMLFilterImpl xmlFilter = new XMLFilterImpl();
    xmlReader.setDTDHandler(xmlFilter);
    assertEquals(xmlReader.getDTDHandler(), xmlFilter);
}

/**
 * No exception expected when set content handler as simple content handler.
 *
 * @throws Exception If any errors occur.
 */
@Test
public void contenthandler01() throws Exception {
    SAXParserFactory spf = SAXParserFactory.newInstance();
    spf.setNamespaceAware(true);
    XMLReader xmlReader = spf.newSAXParser().getXMLReader();
    XMLFilterImpl xmlFilter = new XMLFilterImpl();
    xmlReader.setContentHandler(xmlFilter);
    assertEquals(xmlReader.getContentHandler(), xmlFilter);
}

/**
 * No exception expected when set content handler as simple error handler.
 *
 * @throws Exception If any errors occur.
 */
@Test
public void errorhandler01() throws Exception {
    SAXParserFactory spf = SAXParserFactory.newInstance();
    spf.setNamespaceAware(true);
    XMLReader xmlReader = spf.newSAXParser().getXMLReader();
    xmlReader.setErrorHandler(new XMLFilterImpl());
    assertNotNull(xmlReader.getErrorHandler());
}