Example usage for java.lang ClassLoader getResourceAsStream

Introduction

In this page you can find the example usage for java.lang ClassLoader getResourceAsStream.

Prototype

public InputStream getResourceAsStream(String name) 

Source Link

Document

Returns an input stream for reading the specified resource.

Usage

From source file:io.mindmaps.graql.GraqlShell.java

private void printLicense() {
    StringBuilder result = new StringBuilder("");

    //Get file from resources folder
    ClassLoader classloader = Thread.currentThread().getContextClassLoader();
    InputStream is = classloader.getResourceAsStream(LICENSE_LOCATION);

    Scanner scanner = new Scanner(is);
    while (scanner.hasNextLine()) {
        String line = scanner.nextLine();
        result.append(line).append("\n");
    }/* w  w w  . j  a  v a 2s.c  o  m*/
    result.append("\n");
    scanner.close();

    this.print(result.toString());
}

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From source file:ca.oson.json.util.ObjectUtil.java

/**
 * Returns a list containing one parameter name for each argument accepted
 * by the given constructor. If the class was compiled with debugging
 * symbols, the parameter names will match those provided in the Java source
 * code. Otherwise, a generic "arg" parameter name is generated ("arg0" for
 * the first argument, "arg1" for the second...).
 *
 * This method relies on the constructor's class loader to locate the
 * bytecode resource that defined its class.
 *
 * @param constructor the constructor to get a list of parameter names
 * @return a list of parameter names/*  w  ww.  jav  a 2 s. c o  m*/
 * @throws IOException io exception to throw
 */
private static List<String> getParameterNamesBytecode(Constructor<?> constructor) throws IOException {
    Class<?> declaringClass = constructor.getDeclaringClass();
    ClassLoader declaringClassLoader = declaringClass.getClassLoader();

    if (declaringClassLoader == null) {
        return null;
    }

    org.objectweb.asm.Type declaringType = org.objectweb.asm.Type.getType(declaringClass);
    String constructorDescriptor = org.objectweb.asm.Type.getConstructorDescriptor(constructor);
    String url = declaringType.getInternalName() + ".class";

    InputStream classFileInputStream = declaringClassLoader.getResourceAsStream(url);
    if (classFileInputStream == null) {
        // throw new IllegalArgumentException("The constructor's class loader cannot find the bytecode that defined the constructor's class (URL: " + url + ")");
        return null;
    }

    ClassNode classNode;
    try {
        classNode = new ClassNode();
        ClassReader classReader = new ClassReader(classFileInputStream);
        classReader.accept(classNode, 0);
    } finally {
        classFileInputStream.close();
    }

    @SuppressWarnings("unchecked")
    List<MethodNode> methods = classNode.methods;
    for (MethodNode method : methods) {
        if (method.name.equals("<init>") && method.desc.equals(constructorDescriptor)) {
            org.objectweb.asm.Type[] argumentTypes = org.objectweb.asm.Type.getArgumentTypes(method.desc);
            List<String> parameterNames = new ArrayList<String>(argumentTypes.length);

            @SuppressWarnings("unchecked")
            List<LocalVariableNode> localVariables = method.localVariables;
            for (int i = 0; i < argumentTypes.length && i < localVariables.size() - 1; i++) {
                // The first local variable actually represents the "this" object
                parameterNames.add(localVariables.get(i + 1).name);
            }

            return parameterNames;
        }
    }

    return null;
}

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From source file:com.quinsoft.zeidon.standardoe.ApplicationImpl.java

@Override
public List<String> getLodNameList(Task task) {
    ClassLoader loader = this.getClass().getClassLoader();
    final String resourceDir = getObjectDir() + "/";

    Pattern pattern = Pattern.compile("(.*)(\\.xod$)", Pattern.CASE_INSENSITIVE);
    try {/*  w  ww. j a  v a 2  s.  c  o m*/
        return (List<String>) IOUtils.readLines(loader.getResourceAsStream(resourceDir), StandardCharsets.UTF_8)
                .stream().map(resourceName -> pattern.matcher(resourceName)) // Create a matcher
                .filter(matcher -> matcher.matches()) // Keep only ones that match.
                .map(matcher -> matcher.group(1)) // Get the base filename.
                .collect(Collectors.toList());
    } catch (IOException e) {
        throw ZeidonException.wrapException(e).appendMessage("XOD resource dir: %s", resourceDir);
    }

}

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From source file:nl.toolforge.karma.core.cmd.impl.AbstractBuildCommand.java

private final File getBuildFile(String buildFile) throws IOException {

    File tmp = null;//from  w  ww .jav a2 s. c  om

    tmp = MyFileUtils.createTempDirectory();
    tmp.deleteOnExit();

    ClassLoader loader = this.getClass().getClassLoader();

    BufferedReader in = new BufferedReader(
            new InputStreamReader(loader.getResourceAsStream("ant/" + buildFile)));
    BufferedWriter out = new BufferedWriter(new FileWriter(new File(tmp, buildFile)));

    String str;
    while ((str = in.readLine()) != null) {
        out.write(str);
    }
    out.close();
    in.close();

    // Return a temp reference to the file
    //
    return new File(tmp, buildFile);
}

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From source file:org.apache.hama.manager.util.UITemplate.java

/**
 * read template file contents/*ww w .java2s.  c  o m*/
 * 
 * @param template fileName
 */
protected String loadTemplateResource(String fileName) {

    ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
    if (classLoader == null) {
        classLoader = this.getClass().getClassLoader();
    }

    InputStream is = classLoader.getResourceAsStream(fileName);
    InputStreamReader isr = new InputStreamReader(is);
    BufferedReader br = new BufferedReader(isr);
    StringBuffer sb = new StringBuffer();
    String line;

    try {
        while ((line = br.readLine()) != null) {
            sb.append(line);
        }
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        if (br != null) {
            try {
                br.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        if (isr != null) {
            try {
                isr.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        if (is != null) {
            try {
                is.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }

    return sb.toString();
}

---

From source file:com.joyent.manta.client.MantaClientPutIT.java

@Test
public final void testPutWithJPGFile() throws IOException {
    final String name = UUID.randomUUID().toString();
    final String path = testPathPrefix + name;
    File temp = File.createTempFile("upload", ".jpg");
    FileUtils.forceDeleteOnExit(temp);/*  w w  w  .ja  v  a2 s . co m*/
    final ClassLoader classLoader = Thread.currentThread().getContextClassLoader();

    try (InputStream testDataInputStream = classLoader.getResourceAsStream(TEST_FILENAME);
            OutputStream out = new FileOutputStream(temp)) {
        IOUtils.copy(testDataInputStream, out);
        MantaObject response = mantaClient.put(path, temp);
        String contentType = response.getContentType();
        Assert.assertEquals(contentType, "image/jpeg", "Content type wasn't detected correctly");

        try (InputStream in = mantaClient.getAsInputStream(path)) {
            byte[] actual = IOUtils.toByteArray(in);
            byte[] expected = FileUtils.readFileToByteArray(temp);

            Assert.assertTrue(Arrays.equals(actual, expected), "Uploaded file isn't the same as actual file");
        }
    }
}

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From source file:architecture.ee.component.core.lifecycle.RepositoryImpl.java

private Resource getRootResource() {

    if (initailized)
        return rootResource;

    if (getState() != State.INITIALIZED || getState() == State.INITIALIZING) {

        ClassLoader classloader = Thread.currentThread().getContextClassLoader();
        try {//  w  w  w .java  2 s  .co  m
            InputStream input = classloader.getResourceAsStream("application-init.xml");
            XmlProperties prop = new XmlProperties(input);
            String path = prop.getProperty("home");
            if (!StringUtils.isEmpty(path)) {
                Resource resource = resoruceLoader.getResource(path);
                log.debug(L10NUtils.format("003001", resource.getURI()));
                this.rootResource = resource;
                setState(State.INITIALIZED);
                initailized = true;
            }
        } catch (Throwable e) {
        }
    }

    return rootResource;
}

---

From source file:com.liferay.portal.model.ModelHintsImpl.java

public void read(ClassLoader classLoader, String source) throws Exception {
    read(classLoader, source, classLoader.getResourceAsStream(source));
}

---

From source file:org.suren.autotest.web.framework.code.DefaultXmlSuiteRunnerGenerator.java

@Override
public void generate(String srcCoding, String outputDir) {
    this.srcCoding = srcCoding;

    ClassLoader classLoader = this.getClass().getClassLoader();

    //??// w w w .  j a v  a 2 s . c om
    try (InputStream confInput = classLoader.getResourceAsStream(srcCoding)) {
        generate(confInput, outputDir, null);
    } catch (IOException e) {
        logger.error(String.format("Main config [%s] parse process error.", srcCoding), e);
    }
}

---

From source file:com.kolich.curacao.embedded.mappers.ClasspathFileReturnMapper.java

@Override
public final void render(final AsyncContext context, final HttpServletResponse response,
        final @Nonnull File entity) throws Exception {
    // Get the path, and remove the leading slash.
    final String path = entity.getAbsolutePath().substring(1);
    final ClassLoader loader = Thread.currentThread().getContextClassLoader();
    final URL resource = loader.getResource(path);
    if (resource == null) {
        logger__.warn("Resource not found: {}", path);
        response.setStatus(HttpServletResponse.SC_NOT_FOUND);
    } else {//from w w w  .j  ava 2 s.co  m
        logger__.debug("Serving resource from classpath: {}", path);
        try (final InputStream in = loader.getResourceAsStream(path);
                final OutputStream out = response.getOutputStream()) {
            IOUtils.copyLarge(in, out);
        }
    }
}

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