Examples of org.mozilla.javascript.commonjs.module.RequireBuilder

Package org.mozilla.javascript.commonjs.module

Examples of org.mozilla.javascript.commonjs.module.RequireBuilder

org.mozilla.javascript.commonjs.module.RequireBuilder
A builder for {@link Require} instances. Useful when you're creating manyinstances of {@link Require} that are identical except for their top-levelscope and current {@link Context}. Also useful if you prefer configuring it using named setters instead of passing many parameters in a constructor. Every setter returns "this", so you can easily chain their invocations for additional convenience. @author Attila Szegedi @version $Id: RequireBuilder.java,v 1.4 2011/04/07 20:26:11 hannes%helma.at Exp $

        try {
            Context.enter();
            Context ctx = Context.getCurrentContext();
            ctx.setOptimizationLevel(-1);
            globalScope = ctx.initStandardObjects();
            RequireBuilder require = new RequireBuilder();
            require.setSandboxed(false);
            require.setModuleScriptProvider(new SoftCachingModuleScriptProvider(new ClasspathModuleSourceProvider()));
            require.createRequire(ctx, globalScope).install(globalScope);
            nodeScript = compile(ctx, "node.js");
            tscScript = compile(ctx, "tsc.js");
        } finally {
            Context.exit();

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             * all the functions (importClass, importPackage) are available.
             * Also provide the security features similar to the bundled script engine.
             */
            topLevel = new TopLevelScope(AccessController.getContext(), cx, System.getSecurityManager() != null);
            
            requireBuilder = new RequireBuilder();            
            setModuleSourceProvider(moduleSourceProvider);
            requireBuilder.setSandboxed(false);


            new LazilyLoadedCtor(topLevel, "JSAdapter",
                "org.rhq.scripting.javascript.engine.JSAdapter",

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        initialized = true;
    }


    public Require installRequire(Context cx, List<String> modulePath,
                                  boolean sandboxed) {
        RequireBuilder rb = new RequireBuilder();
        rb.setSandboxed(sandboxed);
        List<URI> uris = new ArrayList<URI>();
        if (modulePath != null) {
            for (String path : modulePath) {
                try {
                    URI uri = new URI(path);
                    if (!uri.isAbsolute()) {
                        // call resolve("") to canonify the path
                        uri = new File(path).toURI().resolve("");
                    }
                    if (!uri.toString().endsWith("/")) {
                        // make sure URI always terminates with slash to
                        // avoid loading from unintended locations
                        uri = new URI(uri + "/");
                    }
                    uris.add(uri);
                } catch (URISyntaxException usx) {
                    throw new RuntimeException(usx);
                }
            }
        }
        rb.setModuleScriptProvider(
                new SoftCachingModuleScriptProvider(
                        new UrlModuleSourceProvider(uris, null)));
        Require require = rb.createRequire(cx, this);
        require.install(this);
        return require;
    }

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        initialized = true;
    }


    public Require installRequire(Context cx, List<String> modulePath,
                                  boolean sandboxed) {
        RequireBuilder rb = new RequireBuilder();
        rb.setSandboxed(sandboxed);
        List<URI> uris = new ArrayList<URI>();
        if (modulePath != null) {
            for (String path : modulePath) {
                try {
                    URI uri = new URI(path);
                    if (!uri.isAbsolute()) {
                        // call resolve("") to canonify the path
                        uri = new File(path).toURI().resolve("");
                    }
                    if (!uri.toString().endsWith("/")) {
                        // make sure URI always terminates with slash to
                        // avoid loading from unintended locations
                        uri = new URI(uri + "/");
                    }
                    uris.add(uri);
                } catch (URISyntaxException usx) {
                    throw new RuntimeException(usx);
                }
            }
        }
        rb.setModuleScriptProvider(
                new SoftCachingModuleScriptProvider(
                        new UrlModuleSourceProvider(uris, null)));
        Require require = rb.createRequire(cx, this);
        require.install(this);
        return require;
    }

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        }
    }


    // Copied out from the main method of rhino
    private static void loadRequireJsScripts(Context context, Scriptable globalScope, String requireJsPath) {
        RequireBuilder rb = new RequireBuilder();
        List<String> modulePath = Lists.newArrayList(requireJsPath);


        List<URI> uris = new ArrayList<URI>();
        if (modulePath != null) {
            for (String path : modulePath) {
                try {
                    URI uri = new URI(path);
                    if (!uri.isAbsolute()) {
                        // call resolve("") to canonify the path
                        uri = new File(path).toURI().resolve("");
                    }
                    if (!uri.toString().endsWith("/")) {
                        // make sure URI always terminates with slash to
                        // avoid loading from unintended locations
                        uri = new URI(uri + "/");
                    }
                    uris.add(uri);
                } catch (URISyntaxException usx) {
                    throw new RuntimeException(usx);
                }
            }
        }
        rb.setModuleScriptProvider(
                new SoftCachingModuleScriptProvider(
                        new UrlModuleSourceProvider(uris, null)));
        Require require = rb.createRequire(context, globalScope);
        require.install(globalScope);
    }

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     * @return
     */
    @SuppressWarnings("unused")
    private Require createRequire() {
        Require require = null;
        RequireBuilder builder = getRequireBuilder();
        Context cx = CommonJSEngine.enterContext();
        try {
            require = builder.createRequire(cx, global);
        } finally {
            Context.exit();
        }
        return require;
    }

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     */
    private RequireBuilder getRequireBuilder() {
        if (requireBuilder == null) {
            synchronized (this) {
                if (requireBuilder == null) {
                    requireBuilder = new RequireBuilder();
                    requireBuilder.setSandboxed(false);
                    List<URI> uris = new ArrayList<URI>();
                    if (modulePaths != null) {
                        for (String path : modulePaths) {
                            try {

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