Example usage for org.springframework.core.io ClassPathResource getInputStream

List of usage examples for org.springframework.core.io ClassPathResource getInputStream

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Introduction

In this page you can find the example usage for org.springframework.core.io ClassPathResource getInputStream.

Prototype

@Override
public InputStream getInputStream() throws IOException

Source Link

Document

This implementation opens an InputStream for the given class path resource.

Usage

From source file:io.s4.MainApp.java

public static void main(String args[]) throws Exception {
    Options options = new Options();

    options.addOption(OptionBuilder.withArgName("corehome").hasArg().withDescription("core home").create("c"));

    options.addOption(//from   w  w w  .  j a v a 2 s  .  co m
            OptionBuilder.withArgName("appshome").hasArg().withDescription("applications home").create("a"));

    options.addOption(OptionBuilder.withArgName("s4clock").hasArg().withDescription("s4 clock").create("d"));

    options.addOption(OptionBuilder.withArgName("seedtime").hasArg()
            .withDescription("event clock initialization time").create("s"));

    options.addOption(
            OptionBuilder.withArgName("extshome").hasArg().withDescription("extensions home").create("e"));

    options.addOption(
            OptionBuilder.withArgName("instanceid").hasArg().withDescription("instance id").create("i"));

    options.addOption(
            OptionBuilder.withArgName("configtype").hasArg().withDescription("configuration type").create("t"));

    CommandLineParser parser = new GnuParser();
    CommandLine commandLine = null;
    String clockType = "wall";

    try {
        commandLine = parser.parse(options, args);
    } catch (ParseException pe) {
        System.err.println(pe.getLocalizedMessage());
        System.exit(1);
    }

    int instanceId = -1;
    if (commandLine.hasOption("i")) {
        String instanceIdStr = commandLine.getOptionValue("i");
        try {
            instanceId = Integer.parseInt(instanceIdStr);
        } catch (NumberFormatException nfe) {
            System.err.println("Bad instance id: %s" + instanceIdStr);
            System.exit(1);
        }
    }

    if (commandLine.hasOption("c")) {
        coreHome = commandLine.getOptionValue("c");
    }

    if (commandLine.hasOption("a")) {
        appsHome = commandLine.getOptionValue("a");
    }

    if (commandLine.hasOption("d")) {
        clockType = commandLine.getOptionValue("d");
    }

    if (commandLine.hasOption("e")) {
        extsHome = commandLine.getOptionValue("e");
    }

    String configType = "typical";
    if (commandLine.hasOption("t")) {
        configType = commandLine.getOptionValue("t");
    }

    long seedTime = 0;
    if (commandLine.hasOption("s")) {
        seedTime = Long.parseLong(commandLine.getOptionValue("s"));
    }

    File coreHomeFile = new File(coreHome);
    if (!coreHomeFile.isDirectory()) {
        System.err.println("Bad core home: " + coreHome);
        System.exit(1);
    }

    File appsHomeFile = new File(appsHome);
    if (!appsHomeFile.isDirectory()) {
        System.err.println("Bad applications home: " + appsHome);
        System.exit(1);
    }

    if (instanceId > -1) {
        System.setProperty("instanceId", "" + instanceId);
    } else {
        System.setProperty("instanceId", "" + S4Util.getPID());
    }

    List loArgs = commandLine.getArgList();

    if (loArgs.size() < 1) {
        // System.err.println("No bean configuration file specified");
        // System.exit(1);
    }

    // String s4ConfigXml = (String) loArgs.get(0);
    // System.out.println("s4ConfigXml is " + s4ConfigXml);

    ClassPathResource propResource = new ClassPathResource("s4-core.properties");
    Properties prop = new Properties();
    if (propResource.exists()) {
        prop.load(propResource.getInputStream());
    } else {
        System.err.println("Unable to find s4-core.properties. It must be available in classpath");
        System.exit(1);
    }

    ApplicationContext coreContext = null;
    String configBase = coreHome + File.separatorChar + "conf" + File.separatorChar + configType;
    String configPath = "";
    List<String> coreConfigUrls = new ArrayList<String>();
    File configFile = null;

    // load clock configuration
    configPath = configBase + File.separatorChar + clockType + "-clock.xml";
    coreConfigUrls.add(configPath);

    // load core config xml
    configPath = configBase + File.separatorChar + "s4-core-conf.xml";
    configFile = new File(configPath);
    if (!configFile.exists()) {
        System.err.printf("S4 core config file %s does not exist\n", configPath);
        System.exit(1);
    }

    coreConfigUrls.add(configPath);
    String[] coreConfigFiles = new String[coreConfigUrls.size()];
    coreConfigUrls.toArray(coreConfigFiles);

    String[] coreConfigFileUrls = new String[coreConfigFiles.length];
    for (int i = 0; i < coreConfigFiles.length; i++) {
        coreConfigFileUrls[i] = "file:" + coreConfigFiles[i];
    }

    coreContext = new FileSystemXmlApplicationContext(coreConfigFileUrls, coreContext);
    ApplicationContext context = coreContext;

    Clock s4Clock = (Clock) context.getBean("clock");
    if (s4Clock instanceof EventClock && seedTime > 0) {
        EventClock s4EventClock = (EventClock) s4Clock;
        s4EventClock.updateTime(seedTime);
        System.out.println("Intializing event clock time with seed time " + s4EventClock.getCurrentTime());
    }

    PEContainer peContainer = (PEContainer) context.getBean("peContainer");

    Watcher w = (Watcher) context.getBean("watcher");
    w.setConfigFilename(configPath);

    // load extension modules
    String[] configFileNames = getModuleConfigFiles(extsHome, prop);
    if (configFileNames.length > 0) {
        String[] configFileUrls = new String[configFileNames.length];
        for (int i = 0; i < configFileNames.length; i++) {
            configFileUrls[i] = "file:" + configFileNames[i];
        }
        context = new FileSystemXmlApplicationContext(configFileUrls, context);
    }

    // load application modules
    configFileNames = getModuleConfigFiles(appsHome, prop);
    if (configFileNames.length > 0) {
        String[] configFileUrls = new String[configFileNames.length];
        for (int i = 0; i < configFileNames.length; i++) {
            configFileUrls[i] = "file:" + configFileNames[i];
        }
        context = new FileSystemXmlApplicationContext(configFileUrls, context);
        // attach any beans that implement ProcessingElement to the PE
        // Container
        String[] processingElementBeanNames = context.getBeanNamesForType(ProcessingElement.class);
        for (String processingElementBeanName : processingElementBeanNames) {
            Object bean = context.getBean(processingElementBeanName);
            try {
                Method getS4ClockMethod = bean.getClass().getMethod("getS4Clock");

                if (getS4ClockMethod.getReturnType().equals(Clock.class)) {
                    if (getS4ClockMethod.invoke(bean) == null) {
                        Method setS4ClockMethod = bean.getClass().getMethod("setS4Clock", Clock.class);
                        setS4ClockMethod.invoke(bean, coreContext.getBean("clock"));
                    }
                }
            } catch (NoSuchMethodException mnfe) {
                // acceptable
            }
            System.out.println("Adding processing element with bean name " + processingElementBeanName + ", id "
                    + ((ProcessingElement) bean).getId());
            peContainer.addProcessor((ProcessingElement) bean, processingElementBeanName);
        }
    }
}

From source file:org.apache.s4.MainApp.java

public static void main(String args[]) throws Exception {
    Options options = new Options();

    options.addOption(OptionBuilder.withArgName("corehome").hasArg().withDescription("core home").create("c"));

    options.addOption(//  ww  w. j  ava2s.  c om
            OptionBuilder.withArgName("appshome").hasArg().withDescription("applications home").create("a"));

    options.addOption(OptionBuilder.withArgName("s4clock").hasArg().withDescription("s4 clock").create("d"));

    options.addOption(OptionBuilder.withArgName("seedtime").hasArg()
            .withDescription("event clock initialization time").create("s"));

    options.addOption(
            OptionBuilder.withArgName("extshome").hasArg().withDescription("extensions home").create("e"));

    options.addOption(
            OptionBuilder.withArgName("instanceid").hasArg().withDescription("instance id").create("i"));

    options.addOption(
            OptionBuilder.withArgName("configtype").hasArg().withDescription("configuration type").create("t"));

    CommandLineParser parser = new GnuParser();
    CommandLine commandLine = null;
    String clockType = "wall";

    try {
        commandLine = parser.parse(options, args);
    } catch (ParseException pe) {
        System.err.println(pe.getLocalizedMessage());
        System.exit(1);
    }

    int instanceId = -1;
    if (commandLine.hasOption("i")) {
        String instanceIdStr = commandLine.getOptionValue("i");
        try {
            instanceId = Integer.parseInt(instanceIdStr);
        } catch (NumberFormatException nfe) {
            System.err.println("Bad instance id: %s" + instanceIdStr);
            System.exit(1);
        }
    }

    if (commandLine.hasOption("c")) {
        coreHome = commandLine.getOptionValue("c");
    }

    if (commandLine.hasOption("a")) {
        appsHome = commandLine.getOptionValue("a");
    }

    if (commandLine.hasOption("d")) {
        clockType = commandLine.getOptionValue("d");
    }

    if (commandLine.hasOption("e")) {
        extsHome = commandLine.getOptionValue("e");
    }

    String configType = "typical";
    if (commandLine.hasOption("t")) {
        configType = commandLine.getOptionValue("t");
    }

    long seedTime = 0;
    if (commandLine.hasOption("s")) {
        seedTime = Long.parseLong(commandLine.getOptionValue("s"));
    }

    File coreHomeFile = new File(coreHome);
    if (!coreHomeFile.isDirectory()) {
        System.err.println("Bad core home: " + coreHome);
        System.exit(1);
    }

    File appsHomeFile = new File(appsHome);
    if (!appsHomeFile.isDirectory()) {
        System.err.println("Bad applications home: " + appsHome);
        System.exit(1);
    }

    if (instanceId > -1) {
        System.setProperty("instanceId", "" + instanceId);
    } else {
        System.setProperty("instanceId", "" + S4Util.getPID());
    }

    List loArgs = commandLine.getArgList();

    if (loArgs.size() < 1) {
        // System.err.println("No bean configuration file specified");
        // System.exit(1);
    }

    // String s4ConfigXml = (String) loArgs.get(0);
    // System.out.println("s4ConfigXml is " + s4ConfigXml);

    ClassPathResource propResource = new ClassPathResource("s4-core.properties");
    Properties prop = new Properties();
    if (propResource.exists()) {
        prop.load(propResource.getInputStream());
    } else {
        System.err.println("Unable to find s4-core.properties. It must be available in classpath");
        System.exit(1);
    }

    ApplicationContext coreContext = null;
    String configBase = coreHome + File.separatorChar + "conf" + File.separatorChar + configType;
    String configPath = "";
    List<String> coreConfigUrls = new ArrayList<String>();
    File configFile = null;

    // load clock configuration
    configPath = configBase + File.separatorChar + clockType + "-clock.xml";
    coreConfigUrls.add(configPath);

    // load core config xml
    configPath = configBase + File.separatorChar + "s4-core-conf.xml";
    configFile = new File(configPath);
    if (!configFile.exists()) {
        System.err.printf("S4 core config file %s does not exist\n", configPath);
        System.exit(1);
    }

    coreConfigUrls.add(configPath);
    String[] coreConfigFiles = new String[coreConfigUrls.size()];
    coreConfigUrls.toArray(coreConfigFiles);

    String[] coreConfigFileUrls = new String[coreConfigFiles.length];
    for (int i = 0; i < coreConfigFiles.length; i++) {
        coreConfigFileUrls[i] = "file:" + coreConfigFiles[i];
    }

    coreContext = new FileSystemXmlApplicationContext(coreConfigFileUrls, coreContext);
    ApplicationContext context = coreContext;

    Clock clock = (Clock) context.getBean("clock");
    if (clock instanceof EventClock && seedTime > 0) {
        EventClock s4EventClock = (EventClock) clock;
        s4EventClock.updateTime(seedTime);
        System.out.println("Intializing event clock time with seed time " + s4EventClock.getCurrentTime());
    }

    PEContainer peContainer = (PEContainer) context.getBean("peContainer");

    Watcher w = (Watcher) context.getBean("watcher");
    w.setConfigFilename(configPath);

    // load extension modules
    String[] configFileNames = getModuleConfigFiles(extsHome, prop);
    if (configFileNames.length > 0) {
        String[] configFileUrls = new String[configFileNames.length];
        for (int i = 0; i < configFileNames.length; i++) {
            configFileUrls[i] = "file:" + configFileNames[i];
        }
        context = new FileSystemXmlApplicationContext(configFileUrls, context);
    }

    // load application modules
    configFileNames = getModuleConfigFiles(appsHome, prop);
    if (configFileNames.length > 0) {
        String[] configFileUrls = new String[configFileNames.length];
        for (int i = 0; i < configFileNames.length; i++) {
            configFileUrls[i] = "file:" + configFileNames[i];
        }
        context = new FileSystemXmlApplicationContext(configFileUrls, context);
        // attach any beans that implement ProcessingElement to the PE
        // Container
        String[] processingElementBeanNames = context.getBeanNamesForType(AbstractPE.class);
        for (String processingElementBeanName : processingElementBeanNames) {
            AbstractPE bean = (AbstractPE) context.getBean(processingElementBeanName);
            bean.setClock(clock);
            try {
                bean.setSafeKeeper((SafeKeeper) context.getBean("safeKeeper"));
            } catch (NoSuchBeanDefinitionException ignored) {
                // no safe keeper = no checkpointing / recovery
            }
            // if the application did not specify an id, use the Spring bean name
            if (bean.getId() == null) {
                bean.setId(processingElementBeanName);
            }
            System.out.println("Adding processing element with bean name " + processingElementBeanName + ", id "
                    + ((AbstractPE) bean).getId());
            peContainer.addProcessor((AbstractPE) bean);
        }
    }
}

From source file:com.charandeepmatta.database.di.Schema.java

private static void updateSqlFromFile(final JdbcTemplate jdbc, final String fileName) throws IOException {
    ClassPathResource base = new ClassPathResource(fileName);
    updateSqlTo(jdbc, base.getInputStream());
}

From source file:sample.tomcat.X509ApplicationTests.java

private static InputStream getKeyStoreFile() throws IOException {
    ClassPathResource resource = new ClassPathResource("rod.p12");
    return resource.getInputStream();
}

From source file:biz.c24.io.spring.integration.test.TestUtils.java

public static byte[] loadCsvBytes() throws Exception {

    ClassPathResource resource = new ClassPathResource("valid-1.txt");
    byte[] valid1 = FileCopyUtils.copyToByteArray(resource.getInputStream());

    return valid1;
}

From source file:biz.c24.io.spring.integration.test.TestUtils.java

public static byte[] loadJsonBytes() throws Exception {

    ClassPathResource resource = new ClassPathResource("valid-1.json");
    byte[] valid1 = FileCopyUtils.copyToByteArray(resource.getInputStream());
    return valid1;
}

From source file:biz.c24.io.spring.integration.test.TestUtils.java

public static byte[] loadXmlBytes() throws Exception {

    ClassPathResource resource = new ClassPathResource("valid-XML-1.xml");
    byte[] valid1 = FileCopyUtils.copyToByteArray(resource.getInputStream());

    return valid1;
}

From source file:biz.c24.io.spring.integration.test.TestUtils.java

public static ComplexDataObject loadObject() throws Exception {

    ClassPathResource resource = new ClassPathResource("valid-1.txt");

    TextualSource textualSource = new TextualSource(resource.getInputStream());

    ComplexDataObject object = textualSource.readObject(InputDocumentRootElement.getInstance());

    return object;
}

From source file:sample.tomcat.SslApplicationTests.java

private static InputStream getKeyStoreFile() throws IOException {
    ClassPathResource resource = new ClassPathResource("server.jks");
    return resource.getInputStream();
}

From source file:com.cocktail.initializer.ItemReader.java

/**
 * Read items./*ww  w.j  a v  a  2  s  .  co  m*/
 *
 * @param <I>
 *            the generic type
 * @param path
 *            the path
 * @param itemMapper
 *            the item mapper
 * @return the list
 * @throws Exception
 *             the exception
 */
public static <I> List<I> readItems(String path, FieldSetMapper<I> itemMapper) throws Exception {

    ClassPathResource resource = new ClassPathResource(path);
    Scanner scanner = new Scanner(resource.getInputStream());
    String line = scanner.nextLine();
    scanner.close();

    FlatFileItemReader<I> itemReader = new FlatFileItemReader<I>();
    itemReader.setResource(resource);

    // DelimitedLineTokenizer defaults to | as its delimiter
    DelimitedLineTokenizer tokenizer = new DelimitedLineTokenizer("|");
    tokenizer.setNames(line.split("\\|"));
    tokenizer.setStrict(false);

    DefaultLineMapper<I> lineMapper = new DefaultLineMapper<I>();
    lineMapper.setLineTokenizer(tokenizer);
    lineMapper.setFieldSetMapper(itemMapper);
    itemReader.setLineMapper(lineMapper);
    itemReader.setRecordSeparatorPolicy(new DefaultRecordSeparatorPolicy());
    itemReader.setLinesToSkip(1);
    itemReader.open(new ExecutionContext());

    List<I> items = new ArrayList<>();
    I item = null;

    do {

        item = itemReader.read();

        if (item != null) {
            items.add(item);
        }

    } while (item != null);

    return items;
}