Example usage for org.apache.commons.digester3 Digester parse

List of usage examples for org.apache.commons.digester3 Digester parse

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Introduction

In this page you can find the example usage for org.apache.commons.digester3 Digester parse.

Prototype

public <T> T parse(URL url) throws IOException, SAXException

Source Link

Document

Parse the content of the specified URL using this Digester.

Usage

From source file:org.apache.commons.digester3.examples.api.dbinsert.Main.java

/**
 * Main method : entry point for running this example program.
 * <p>//ww w  . jav  a 2  s .c  om
 * Usage: java Main example.xml
 */
public static void main(String[] args) {
    if (args.length != 1) {
        usage();
        System.exit(-1);
    }

    String filename = args[0];

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

    // Here you would establish a real connection.
    // There would also be a finally clause to ensure it is
    // closed after parsing terminates, etc.
    Connection connection = null;

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

    // Process the input file.
    System.out.println("Parsing commencing...");
    try {
        File srcfile = new File(filename);
        d.parse(srcfile);
    } catch (IOException ioe) {
        System.out.println("Error reading input file:" + ioe.getMessage());
        System.exit(-1);
    } catch (SAXException se) {
        System.out.println("Error parsing input file:" + se.getMessage());
        System.exit(-1);
    }

    // And here there is nothing to do. The digester rules have
    // (deliberately) not built a representation of the input, but
    // instead processed the data as it was read.
    System.out.println("Parsing complete.");
}

From source file:org.apache.commons.digester3.examples.plugins.pipeline.Pipeline.java

public static void main(String[] args) {
    if (args.length != 1) {
        System.err.println("usage: pipeline config-file");
        System.exit(-1);//from ww w.  ja v  a2s  .  co m
    }
    String configFile = args[0];

    Digester digester = new Digester();
    PluginRules rc = new PluginRules();
    digester.setRules(rc);

    digester.addObjectCreate("pipeline", Pipeline.class);

    digester.addCallMethod("pipeline/source", "setSource", 1);
    digester.addCallParam("pipeline/source", 0, "file");

    PluginCreateRule pcr = new PluginCreateRule(Transform.class);
    digester.addRule("pipeline/transform", pcr);
    digester.addSetNext("pipeline/transform", "setTransform");

    digester.addCallMethod("pipeline/destination", "setDest", 1);
    digester.addCallParam("pipeline/destination", 0, "file");

    Pipeline pipeline = null;
    try {
        pipeline = digester.parse(configFile);
    } catch (Exception e) {
        System.err.println("oops exception occurred during parse.");
        e.printStackTrace();
        System.exit(-1);
    }

    try {
        pipeline.execute();
    } catch (Exception e) {
        System.err.println("oops exception occurred during pipeline execution.");
        e.printStackTrace();
        System.exit(-1);
    }
}

From source file:org.apache.commons.digester3.examples.xmlrules.addressbook.Main.java

/**
 * Main method : entry point for running this example program.
 * <p>/*from  w  ww. ja  v a2s .  c  o  m*/
 * Usage: java Example example.xml
 */
public static void main(String[] args) throws Exception {
    if (args.length != 2) {
        usage();
        System.exit(-1);
    }

    final String rulesfileName = args[0];
    String datafileName = args[1];

    // Create a Digester instance which has been initialised with
    // rules loaded from the specified file.
    Digester d = newLoader(new FromXmlRulesModule() {

        @Override
        protected void loadRules() {
            loadXMLRules(rulesfileName);
        }

    }).newDigester();

    // 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);

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

    // Print out all the contents of the address book, as loaded from
    // the input file.
    book.print();
}

From source file:org.apache.hadoop.gateway.descriptor.xml.XmlGatewayDescriptorImporter.java

@Override
public GatewayDescriptor load(Reader reader) throws IOException {
    Digester digester = loader.newDigester(new ExtendedBaseRules());
    digester.setValidating(false);/*  w ww . jav  a  2s . c  o  m*/
    try {
        GatewayDescriptor descriptor = digester.parse(reader);
        return descriptor;
    } catch (SAXException e) {
        throw new IOException(e);
    }
}

From source file:org.apache.hadoop.gateway.filter.rewrite.impl.xml.XmlUrlRewriteRulesImporter.java

@Override
public UrlRewriteRulesDescriptor load(Reader reader) throws IOException {
    Digester digester = loader.newDigester(new ExtendedBaseRules());
    digester.setValidating(false);//  ww w .ja  v a  2  s  .  co  m
    try {
        UrlRewriteRulesDescriptor rules = digester.parse(reader);
        return rules;
    } catch (SAXException e) {
        throw new IOException(e);
    }
}

From source file:org.apache.hadoop.gateway.services.topology.impl.DefaultTopologyService.java

private Topology loadTopologyAttempt(File file) throws IOException, SAXException, URISyntaxException {
    Topology topology;/*from  www .  j a  v  a  2s.  c  o  m*/
    Digester digester = digesterLoader.newDigester();
    TopologyBuilder topologyBuilder = digester.parse(FileUtils.openInputStream(file));
    if (null == topologyBuilder) {
        return null;
    }
    topology = topologyBuilder.build();
    topology.setUri(file.toURI());
    topology.setName(FilenameUtils.removeExtension(file.getName()));
    topology.setTimestamp(file.lastModified());
    return topology;
}

From source file:org.apache.hadoop.gateway.topology.file.FileTopologyProvider.java

private static Topology loadTopology(FileObject file) throws IOException, SAXException, URISyntaxException {
    log.loadingTopologyFile(file.getName().getFriendlyURI());
    Digester digester = digesterLoader.newDigester();
    FileContent content = file.getContent();
    TopologyBuilder topologyBuilder = digester.parse(content.getInputStream());
    Topology topology = topologyBuilder.build();
    topology.setUri(file.getURL().toURI());
    topology.setName(FilenameUtils.removeExtension(file.getName().getBaseName()));
    topology.setTimestamp(content.getLastModifiedTime());
    return topology;
}

From source file:org.apache.hadoop.gateway.topology.xml.TopologyRulesModuleTest.java

@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"));
    assertThat(topology.getTimestamp(), is(file.lastModified()));
    assertThat(topology.getServices().size(), is(1));

    Service comp = topology.getServices().iterator().next();
    assertThat(comp, notNullValue());//from  w ww  .  j  a v a  2 s  .  c o  m
    assertThat(comp.getRole(), is("WEBHDFS"));
    assertThat(comp.getUrl(), is("http://host:80/webhdfs"));

    Provider provider = topology.getProviders().iterator().next();
    assertThat(provider, notNullValue());
    assertThat(provider.isEnabled(), is(true));
    assertThat(provider.getRole(), is("authentication"));
    assertThat(provider.getParams().size(), is(5));
}

From source file:org.apache.hadoop.gateway.topology.xml.TopologyRulesModuleTest.java

@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"));
    assertThat(topology.getTimestamp(), is(file.lastModified()));
    assertThat(topology.getServices().size(), is(4));
    assertThat(topology.getProviders().size(), is(2));

    Service webhdfsService = topology.getService("WEBHDFS", null);
    assertThat(webhdfsService, notNullValue());
    assertThat(webhdfsService.getRole(), is("WEBHDFS"));
    assertThat(webhdfsService.getName(), nullValue());
    assertThat(webhdfsService.getUrl(), is("http://host:50070/webhdfs"));

    Service webhcatService = topology.getService("WEBHCAT", null);
    assertThat(webhcatService, notNullValue());
    assertThat(webhcatService.getRole(), is("WEBHCAT"));
    assertThat(webhcatService.getName(), nullValue());
    assertThat(webhcatService.getUrl(), is("http://host:50111/templeton"));

    Service oozieService = topology.getService("OOZIE", null);
    assertThat(oozieService, notNullValue());
    assertThat(oozieService.getRole(), is("OOZIE"));
    assertThat(oozieService.getName(), nullValue());
    assertThat(oozieService.getUrl(), is("http://host:11000/oozie"));

    Service hiveService = topology.getService("HIVE", null);
    assertThat(hiveService, notNullValue());
    assertThat(hiveService.getRole(), is("HIVE"));
    assertThat(hiveService.getName(), nullValue());
    assertThat(hiveService.getUrl(), is("http://host:10000"));

    Provider authenticationProvider = topology.getProvider("authentication", "ShiroProvider");
    assertThat(authenticationProvider, notNullValue());
    assertThat(authenticationProvider.isEnabled(), is(true));
    assertThat(authenticationProvider.getRole(), is("authentication"));
    assertThat(authenticationProvider.getName(), is("ShiroProvider"));
    assertThat(authenticationProvider.getParams().size(), is(5));
    assertThat(authenticationProvider.getParams().get("main.ldapRealm.contextFactory.url"),
            is("ldap://localhost:33389"));

    Provider identityAssertionProvider = topology.getProvider("identity-assertion", "Pseudo");
    assertThat(identityAssertionProvider, notNullValue());
    assertThat(identityAssertionProvider.isEnabled(), is(false));
    assertThat(identityAssertionProvider.getRole(), is("identity-assertion"));
    assertThat(identityAssertionProvider.getName(), is("Pseudo"));
    assertThat(identityAssertionProvider.getParams().size(), is(2));
    assertThat(identityAssertionProvider.getParams().get("name"), is("user.name"));
}

From source file:org.azkfw.business.logic.LogicManager.java

/**
 * ?// w w w . j  a  va  2 s  . c o m
 * 
 * @param aNamespace ???
 * @param aStream 
 * @param aContext 
 * @throws BusinessServiceException ????????
 * @throws IOException ????????
 */
@SuppressWarnings("unchecked")
private void doLoad(final String aNamespace, final InputStream aStream, final Context aContext)
        throws BusinessServiceException, IOException {

    List<LogicEntity> logicList = null;
    try {
        Digester digester = new Digester();
        digester.addObjectCreate("azuki/logics", ArrayList.class);
        digester.addObjectCreate("azuki/logics/logic", LogicEntity.class);
        digester.addSetProperties("azuki/logics/logic");
        digester.addSetNext("azuki/logics/logic", "add");
        logicList = digester.parse(aStream);
    } catch (SAXException ex) {
        error(ex);
        throw new IOException(ex);
    } catch (IOException ex) {
        error(ex);
        throw new IOException(ex);
    }

    Map<String, LogicData> m = null;
    if (logics.containsKey(aNamespace)) {
        m = logics.get(aNamespace);
    } else {
        m = new HashMap<String, LogicData>();
    }

    for (int i = 0; i < logicList.size(); i++) {
        LogicEntity logic = logicList.get(i);
        info("Logic loading.[" + logic.name + "]");
        if (m.containsKey(logic.getName())) {
            throw new BusinessServiceException("Duplicate logic name.[" + logic.getName() + "]");
        } else {
            try {
                LogicData data = new LogicData();

                Class<Logic> clazz = (Class<Logic>) Class.forName(logic.getLogic());

                // XXX ????????
                Map<String, Object> properties = new HashMap<String, Object>();
                PropertyFile propertyFile = clazz.getAnnotation(PropertyFile.class);
                if (null != propertyFile) {
                    String property = propertyFile.value();
                    if (StringUtility.isNotEmpty(property)) {
                        InputStream is = aContext.getResourceAsStream(property);
                        if (null != is) {
                            Properties p = new Properties();
                            p.load(is);
                            for (String key : p.stringPropertyNames()) {
                                properties.put(key, p.getProperty(key));
                            }
                        } else {
                            throw new BusinessServiceException(
                                    "Not found logic property file.[" + property + "]");
                        }
                    }
                }
                data.setLogic(clazz);
                data.setProperties(properties);
                data.setEntity(logic);
                m.put(logic.getName(), data);
            } catch (ClassNotFoundException ex) {
                error(ex);
                throw new BusinessServiceException(ex);
            }
        }
    }
    logics.put(aNamespace, m);
}