Java Options.getBooleanProperty方法代码示例

import jdk.nashorn.internal.runtime.options.Options; //导入方法依赖的package包/类
private static File createBaseCacheDir() {
    if(MAX_FILES == 0 || Options.getBooleanProperty("nashorn.typeInfo.disabled")) {
        return null;
    }
    try {
        return createBaseCacheDirPrivileged();
    } catch(final Exception e) {
        reportError("Failed to create cache dir", e);
        return null;
    }
}
 

import jdk.nashorn.internal.runtime.options.Options; //导入方法依赖的package包/类
/**
 * Constructor
 *
 * A logger can be paired with a property, e.g. {@code --log:codegen:info} is equivalent to {@code -Dnashorn.codegen.log}
 *
 * @param loggerName name of logger - this is the unique key with which it can be identified
 * @param property   system property activating the logger on {@code info} level
 */
public DebugLogger(final String loggerName, final String property) {
    if (property != null && Options.getBooleanProperty(property)) {
        this.logger = Logging.getOrCreateLogger(loggerName, Level.INFO);
    } else {
        this.logger = Logging.getLogger(loggerName);
    }
    this.isEnabled = logger.getLevel() != Level.OFF;
}
 

import jdk.nashorn.internal.runtime.options.Options; //导入方法依赖的package包/类
/**
 * Constructor
 *
 * @param options options from command line or Context creator
 * @param errors  error manger
 * @param out     output writer for this Context
 * @param err     error writer for this Context
 * @param appLoader application class loader
 * @param classFilter class filter to use
 */
public Context(final Options options, final ErrorManager errors, final PrintWriter out, final PrintWriter err, final ClassLoader appLoader, final ClassFilter classFilter) {
    final SecurityManager sm = System.getSecurityManager();
    if (sm != null) {
        sm.checkPermission(new RuntimePermission(NASHORN_CREATE_CONTEXT));
    }

    this.classFilter = classFilter;
    this.env       = new ScriptEnvironment(options, out, err);
    this._strict   = env._strict;
    if (env._loader_per_compile) {
        this.scriptLoader = null;
        this.uniqueScriptId = null;
    } else {
        this.scriptLoader = createNewLoader();
        this.uniqueScriptId = new AtomicLong();
    }
    this.errors    = errors;

    // if user passed -classpath option, make a URLClassLoader with that and
    // the app loader as the parent.
    final String classPath = options.getString("classpath");
    if (!env._compile_only && classPath != null && !classPath.isEmpty()) {
        // make sure that caller can create a class loader.
        if (sm != null) {
            sm.checkCreateClassLoader();
        }
        this.appLoader = NashornLoader.createClassLoader(classPath, appLoader);
    } else {
        this.appLoader = appLoader;
    }
    this.dynamicLinker = Bootstrap.createDynamicLinker(this.appLoader, env._unstable_relink_threshold);

    final int cacheSize = env._class_cache_size;
    if (cacheSize > 0) {
        classCache = new ClassCache(this, cacheSize);
    }

    if (env._persistent_cache) {
        codeStore = newCodeStore(this);
    }

    // print version info if asked.
    if (env._version) {
        getErr().println("nashorn " + Version.version());
    }

    if (env._fullversion) {
        getErr().println("nashorn full version " + Version.fullVersion());
    }

    if (Options.getBooleanProperty("nashorn.fields.dual")) {
        fieldMode = FieldMode.DUAL;
    } else if (Options.getBooleanProperty("nashorn.fields.objects")) {
        fieldMode = FieldMode.OBJECTS;
    } else {
        fieldMode = FieldMode.AUTO;
    }

    initLoggers();
}
 

import jdk.nashorn.internal.runtime.options.Options; //导入方法依赖的package包/类
/**
 * Constructor
 *
 * @param options options from command line or Context creator
 * @param errors  error manger
 * @param out     output writer for this Context
 * @param err     error writer for this Context
 * @param appLoader application class loader
 * @param classFilter class filter to use
 */
public Context(final Options options, final ErrorManager errors, final PrintWriter out, final PrintWriter err, final ClassLoader appLoader, final ClassFilter classFilter) {
    final SecurityManager sm = System.getSecurityManager();
    if (sm != null) {
        sm.checkPermission(new RuntimePermission(NASHORN_CREATE_CONTEXT));
    }

    this.classFilter = classFilter;
    this.env       = new ScriptEnvironment(options, out, err);
    this._strict   = env._strict;
    this.appLoader = appLoader;
    if (env._loader_per_compile) {
        this.scriptLoader = null;
        this.uniqueScriptId = null;
    } else {
        this.scriptLoader = createNewLoader();
        this.uniqueScriptId = new AtomicLong();
    }
    this.errors    = errors;

    // if user passed -classpath option, make a class loader with that and set it as
    // thread context class loader so that script can access classes from that path.
    final String classPath = options.getString("classpath");
    if (!env._compile_only && classPath != null && !classPath.isEmpty()) {
        // make sure that caller can create a class loader.
        if (sm != null) {
            sm.checkPermission(new RuntimePermission("createClassLoader"));
        }
        this.classPathLoader = NashornLoader.createClassLoader(classPath);
    } else {
        this.classPathLoader = null;
    }

    final int cacheSize = env._class_cache_size;
    if (cacheSize > 0) {
        classCache = new ClassCache(cacheSize);
    }

    if (env._persistent_cache) {
        codeStore = newCodeStore(this);
    }

    // print version info if asked.
    if (env._version) {
        getErr().println("nashorn " + Version.version());
    }

    if (env._fullversion) {
        getErr().println("nashorn full version " + Version.fullVersion());
    }

    if (Options.getBooleanProperty("nashorn.fields.dual")) {
        fieldMode = FieldMode.DUAL;
    } else if (Options.getBooleanProperty("nashorn.fields.objects")) {
        fieldMode = FieldMode.OBJECTS;
    } else {
        fieldMode = FieldMode.AUTO;
    }

    initLoggers();
}
 

import jdk.nashorn.internal.runtime.options.Options; //导入方法依赖的package包/类
/**
 * Constructor
 *
 * @param options options from command line or Context creator
 * @param errors  error manger
 * @param out     output writer for this Context
 * @param err     error writer for this Context
 * @param appLoader application class loader
 * @param classFilter class filter to use
 */
public Context(final Options options, final ErrorManager errors, final PrintWriter out, final PrintWriter err, final ClassLoader appLoader, final ClassFilter classFilter) {
    final SecurityManager sm = System.getSecurityManager();
    if (sm != null) {
        sm.checkPermission(new RuntimePermission(NASHORN_CREATE_CONTEXT));
    }

    this.classFilter = classFilter;
    this.env       = new ScriptEnvironment(options, out, err);
    this._strict   = env._strict;
    if (env._loader_per_compile) {
        this.scriptLoader = null;
        this.uniqueScriptId = null;
    } else {
        this.scriptLoader = createNewLoader();
        this.uniqueScriptId = new AtomicLong();
    }
    this.errors    = errors;

    // if user passed -classpath option, make a URLClassLoader with that and
    // the app loader as the parent.
    final String classPath = options.getString("classpath");
    if (!env._compile_only && classPath != null && !classPath.isEmpty()) {
        // make sure that caller can create a class loader.
        if (sm != null) {
            sm.checkCreateClassLoader();
        }
        this.appLoader = NashornLoader.createClassLoader(classPath, appLoader);
    } else {
        this.appLoader = appLoader;
    }

    final int cacheSize = env._class_cache_size;
    if (cacheSize > 0) {
        classCache = new ClassCache(cacheSize);
    }

    if (env._persistent_cache) {
        codeStore = newCodeStore(this);
    }

    // print version info if asked.
    if (env._version) {
        getErr().println("nashorn " + Version.version());
    }

    if (env._fullversion) {
        getErr().println("nashorn full version " + Version.fullVersion());
    }

    if (Options.getBooleanProperty("nashorn.fields.dual")) {
        fieldMode = FieldMode.DUAL;
    } else if (Options.getBooleanProperty("nashorn.fields.objects")) {
        fieldMode = FieldMode.OBJECTS;
    } else {
        fieldMode = FieldMode.AUTO;
    }

    initLoggers();
}