Package org.apache.commons.digester3

Examples of org.apache.commons.digester3.Digester

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        }

        String filename = args[0];

        // Create a Digester instance
        Digester d = new Digester();

        // Prime the digester stack with an object for rules to
        // operate on. Note that it is quite common for "this"
        // to be the object pushed.
        AddressBook book = new AddressBook();
        d.push( book );

        // Add rules to the digester that will be triggered while
        // parsing occurs.
        addRules( d );

        // Process the input file.
        try
        {
            java.io.File srcfile = new java.io.File( filename );
            d.parse( srcfile );
        }
        catch ( java.io.IOException ioe )
        {
            System.out.println( "Error reading input file:" + ioe.getMessage() );
            System.exit( -1 );
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    return topology;
  }

  private Topology loadTopologyAttempt(File file) throws IOException, SAXException, URISyntaxException {
    Topology topology;
    Digester digester = digesterLoader.newDigester();
    TopologyBuilder topologyBuilder = digester.parse(FileUtils.openInputStream(file));
    topology = topologyBuilder.build();
    topology.setUri(file.toURI());
    topology.setName(FilenameUtils.removeExtension(file.getName()));
    topology.setTimestamp(file.lastModified());
    return topology;
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  public void tearDown() throws Exception {
  }

  @Test
  public void testParseSimpleTopologyXmlInKnoxFormat() throws IOException, SAXException, URISyntaxException {
    Digester digester = loader.newDigester();
    String name = "org/apache/hadoop/gateway/topology/xml/simple-topology-knox-format.xml";
    URL url = ClassLoader.getSystemResource( name );
    assertThat( "Failed to find URL for resource " + name, url, notNullValue() );
    File file = new File( url.getFile() );
    TopologyBuilder topologyBuilder = digester.parse( url );
    Topology topology = topologyBuilder.build();
    assertThat( "Failed to parse resource " + name, topology, notNullValue() );
    topology.setTimestamp( file.lastModified() );

    assertThat( topology.getName(), is( "topology" ) );
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    assertThat( provider.getParams().size(), is(5));
  }

  @Test
  public void testParseServiceParamsInKnoxFormat() throws IOException, SAXException {
    Digester digester = loader.newDigester();
    String name = "org/apache/hadoop/gateway/topology/xml/service-param-topology-knox-format.xml";
    URL url = ClassLoader.getSystemResource( name );
    assertThat( "Failed to find URL for resource " + name, url, notNullValue() );
    File file = new File( url.getFile() );
    TopologyBuilder topologyBuilder = digester.parse( url );
    Topology topology = topologyBuilder.build();
    assertThat( "Failed to parse resource " + name, topology, notNullValue() );
    topology.setTimestamp( file.lastModified() );

    assertThat( topology.getName(), is( "test-topology-name" ) );
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  }


  @Test
  public void testParseSimpleTopologyXmlInHadoopFormat() throws IOException, SAXException, URISyntaxException {
    Digester digester = loader.newDigester();
    String name = "org/apache/hadoop/gateway/topology/xml/simple-topology-ambari-format.conf";
    URL url = ClassLoader.getSystemResource( name );
    assertThat( "Failed to find URL for resource " + name, url, notNullValue() );
    File file = new File( url.getFile() );
    TopologyBuilder topologyBuilder = digester.parse( url );
    Topology topology = topologyBuilder.build();
    assertThat( "Failed to parse resource " + name, topology, notNullValue() );
    topology.setTimestamp( file.lastModified() );

    assertThat( topology.getName(), is( "topology2" ) );
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    assertThat( identityAssertionProvider.getParams().get("name"), is( "user.name" ) );
  }

  @Test
  public void testParseServiceParamsInAmbariFormat() throws IOException, SAXException {
    Digester digester = loader.newDigester();
    String name = "org/apache/hadoop/gateway/topology/xml/service-param-topology-ambari-format.conf";
    URL url = ClassLoader.getSystemResource( name );
    assertThat( "Failed to find URL for resource " + name, url, notNullValue() );
    File file = new File( url.getFile() );
    TopologyBuilder topologyBuilder = digester.parse( url );
    Topology topology = topologyBuilder.build();
    assertThat( "Failed to parse resource " + name, topology, notNullValue() );
    topology.setTimestamp( file.lastModified() );

    assertThat( topology.getName(), is( "test-topology-name" ) );
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    private static final Logger logger = LoggerFactory.getLogger(XmlChangeSetReader.class);

    private Digester digester;

    XmlChangeSetReader() {
        digester = new Digester();

        digester.setValidating(false);

        digester.addObjectCreate("mongoChangeLog", ChangeSetList.class);
        digester.addObjectCreate("mongoChangeLog/changeSet", ChangeSet.class);
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    public List<Resource> getFiles(Resource file) {
        List<Resource> files = new ArrayList<Resource>();

        try {
            Digester digester = new Digester();

            digester.setValidating(false);

            digester.addObjectCreate("changeFiles", ChangeFileSet.class);
            digester.addObjectCreate("changeFiles/file", ChangeFile.class);
            digester.addSetProperties("changeFiles/file");
            digester.addSetNext("changeFiles/file", "add");

            logger.info("Parsing XML Fileset file {}", file.getFilename());
            ChangeFileSet changeFileSet = (ChangeFileSet) digester.parse(file.getInputStream());
            if (changeFileSet != null) {
                logger.info("Num of changefiles found " + changeFileSet.getChangeFiles().size());
                for (ChangeFile changeFile : changeFileSet.getChangeFiles()) {
                    files.add(file.createRelative(changeFile.getPath()));
                }
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    public void testDefaultPlugins2()
        throws Exception
    {
        // * tests that when there is no default plugin, it is an error
        // not to have one of plugin-class or plugin-id specified
        Digester digester = new Digester();
        PluginRules rc = new PluginRules();
        digester.setRules( rc );

        PluginCreateRule pcr = new PluginCreateRule( Widget.class );
        digester.addRule( "root/widget", pcr );
        digester.addSetNext( "root/widget", "addChild" );

        Container root = new Container();
        digester.push( root );

        Log oldLog = digester.getLogger();
        try
        {
            digester.setLogger( new NoOpLog() );
            digester.parse( Utils.getInputStream( this, "test2.xml" ) );
            fail("Expected SAXParseException");
        }
        catch ( SAXParseException e )
        {
            assertEquals( PluginInvalidInputException.class, e.getException().getClass() );
        }
        finally
        {
            digester.setLogger( oldLog );
        }

    }
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    public void testDefaultPlugins3()
        throws Exception
    {
        // * tests that the default plugin must implement or extend the
        // plugin base class.
        Digester digester = new Digester();
        PluginRules rc = new PluginRules();
        digester.setRules( rc );

        PluginCreateRule pcr = new PluginCreateRule( Widget.class, Object.class );
        digester.addRule( "root/widget", pcr );
        digester.addSetNext( "root/widget", "addChild" );

        Container root = new Container();
        digester.push( root );

        Log oldLog = digester.getLogger();
        try
        {
            digester.setLogger( new NoOpLog() );
            digester.parse( Utils.getInputStream( this, "test2.xml" ) );
            fail("Expected SAXParseException");
        }
        catch ( SAXParseException e )
        {
            assertEquals( PluginConfigurationException.class, e.getException().getClass() );
        }
        finally
        {
            digester.setLogger( oldLog );
        }
    }
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