Examples with PrintStream java.io.PrintStream used on opensource projects

Example 31 with PrintStream

use of java.io.PrintStream in project spring-loaded by spring-projects.

the class SpringLoadedTests method runUnguarded.

public Result runUnguarded(Class<?> clazz, String methodname, Object... params) throws InstantiationException, IllegalAccessException, SecurityException, NoSuchMethodException, IllegalArgumentException, InvocationTargetException {
    PrintStream oldo = System.out;
    PrintStream olde = System.err;
    Object result = null;
    ByteArrayOutputStream oso = new ByteArrayOutputStream();
    ByteArrayOutputStream ose = new ByteArrayOutputStream();
    try {
        if (capture) {
            System.setOut(new PrintStream(oso));
            System.setErr(new PrintStream(ose));
        }
        Object o = clazz.newInstance();
        Method m = null;
        Method[] ms = clazz.getMethods();
        for (Method mm : ms) {
            if (mm.getName().equals(methodname)) {
                m = mm;
                break;
            }
        }
        if (m == null) {
            Assert.fail("Invocation failure: could not find method '" + methodname + "' on type '" + clazz.getName());
        }
        m.setAccessible(true);
        result = m.invoke(o, params);
    } finally {
        if (capture) {
            System.setOut(oldo);
            System.setErr(olde);
        }
    }
    return new Result(result, oso.toString().replace("\r", ""), ose.toString().replace("\r", ""));
}

Example 32 with PrintStream

use of java.io.PrintStream in project spring-loaded by spring-projects.

the class SpringLoadedTests method captureOn.

/**
	 * Start intercepting the System.out/System.err streams
	 */
protected void captureOn() {
    oldo = System.out;
    olde = System.err;
    oso = new ByteArrayOutputStream();
    ose = new ByteArrayOutputStream();
    System.setOut(new PrintStream(oso));
    System.setErr(new PrintStream(ose));
}

Example 33 with PrintStream

use of java.io.PrintStream in project platform_frameworks_base by android.

the class SettingsStateTest method testUpgrade.

/**
     * In version 120, value "null" meant {code NULL}.
     */
public void testUpgrade() throws Exception {
    final File file = new File(getContext().getCacheDir(), "setting.xml");
    file.delete();
    final Object lock = new Object();
    final PrintStream os = new PrintStream(new FileOutputStream(file));
    os.print("<?xml version='1.0' encoding='UTF-8' standalone='yes' ?>" + "<settings version=\"120\">" + "  <setting id=\"0\" name=\"k0\" value=\"null\" package=\"null\" />" + "  <setting id=\"1\" name=\"k1\" value=\"\" package=\"\" />" + "  <setting id=\"2\" name=\"k2\" value=\"v2\" package=\"p2\" />" + "</settings>");
    os.close();
    final SettingsState ss = new SettingsState(lock, file, 1, SettingsState.MAX_BYTES_PER_APP_PACKAGE_UNLIMITED, Looper.getMainLooper());
    synchronized (lock) {
        SettingsState.Setting s;
        s = ss.getSettingLocked("k0");
        assertEquals(null, s.getValue());
        assertEquals("null", s.getPackageName());
        s = ss.getSettingLocked("k1");
        assertEquals("", s.getValue());
        assertEquals("", s.getPackageName());
        s = ss.getSettingLocked("k2");
        assertEquals("v2", s.getValue());
        assertEquals("p2", s.getPackageName());
    }
}

Example 34 with PrintStream

use of java.io.PrintStream in project groovy-core by groovy.

the class Java2GroovyProcessor method nodePrinter.

public static String nodePrinter(String input) throws Exception {
    JavaRecognizer parser = getJavaParser(input);
    String[] tokenNames = parser.getTokenNames();
    parser.compilationUnit();
    AST ast = parser.getAST();
    // modify the Java AST into a Groovy AST
    modifyJavaASTintoGroovyAST(tokenNames, ast);
    String[] groovyTokenNames = getGroovyTokenNames(input);
    // groovify the fat Java-Like Groovy AST
    groovifyFatJavaLikeGroovyAST(ast, groovyTokenNames);
    // now output
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    Visitor visitor = new NodePrinter(new PrintStream(baos), groovyTokenNames);
    AntlrASTProcessor traverser = new SourceCodeTraversal(visitor);
    traverser.process(ast);
    return new String(baos.toByteArray());
}

Example 35 with PrintStream

use of java.io.PrintStream in project groovy-core by groovy.

the class Java2GroovyProcessor method convert.

public static String convert(String filename, String input, boolean withHeader, boolean withNewLines) throws Exception {
    JavaRecognizer parser = getJavaParser(input);
    String[] tokenNames = parser.getTokenNames();
    parser.compilationUnit();
    AST ast = parser.getAST();
    // which is a really nice way of seeing the AST, folding nodes etc
    if ("mindmap".equals(System.getProperty("ANTLR.AST".toLowerCase()))) {
        // uppercase to hide from jarjar
        try {
            PrintStream out = new PrintStream(new FileOutputStream(filename + ".mm"));
            Visitor visitor = new MindMapPrinter(out, tokenNames);
            AntlrASTProcessor treewalker = new PreOrderTraversal(visitor);
            treewalker.process(ast);
        } catch (FileNotFoundException e) {
            System.out.println("Cannot create " + filename + ".mm");
        }
    }
    // modify the Java AST into a Groovy AST
    modifyJavaASTintoGroovyAST(tokenNames, ast);
    String[] groovyTokenNames = getGroovyTokenNames(input);
    // groovify the fat Java-Like Groovy AST
    groovifyFatJavaLikeGroovyAST(ast, groovyTokenNames);
    // now output
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    Visitor visitor = new SourcePrinter(new PrintStream(baos), groovyTokenNames, withNewLines);
    AntlrASTProcessor traverser = new SourceCodeTraversal(visitor);
    traverser.process(ast);
    String header = "";
    if (withHeader) {
        header = "/*\n" + "  Automatically Converted from Java Source \n" + "  \n" + "  by java2groovy v0.0.1   Copyright Jeremy Rayner 2007\n" + "  \n" + "  !! NOT FIT FOR ANY PURPOSE !! \n" + "  'java2groovy' cannot be used to convert one working program into another" + "  */\n\n";
    }
    return header + new String(baos.toByteArray());
}