Example usage for com.google.gwt.core.ext LinkerContext getProperties

Introduction

In this page you can find the example usage for com.google.gwt.core.ext LinkerContext getProperties.

Prototype

SortedSet<SelectionProperty> getProperties();

Source Link

Document

Returns all deferred binding properties defined in the module.

Usage

From source file:com.arcbees.chosen.rebind.VersionInspectorLinker.java

License:Apache License

private boolean isSuperDevMode(LinkerContext context) {
    boolean isSdm = false;

    for (SelectionProperty property : context.getProperties()) {
        if ("superdevmode".equals(property.getName())) {
            isSdm = "on".equals(property.tryGetValue());
            break;
        }//from   ww w  .jav  a2s  .c  om
    }

    return isSdm;
}

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From source file:gwt.ns.webworker.linker.WorkerModuleLinker.java

License:Apache License

@Override
protected EmittedArtifact emitSelectionScript(TreeLogger logger, LinkerContext context, ArtifactSet artifacts)
        throws UnableToCompleteException {

    DefaultTextOutput out = new DefaultTextOutput(true);

    // Emit the selection script from template
    String bootstrap = generateSelectionScript(logger, context, artifacts);
    bootstrap = context.optimizeJavaScript(logger, bootstrap);
    out.print(bootstrap);//from  w w  w  .j  a  va2s.c om
    out.newlineOpt();

    // Emit the module's JS within a closure.
    out.print("(function () {");
    out.newlineOpt();
    out.print("var $gwt_version = \"" + About.getGwtVersionNum() + "\";");
    out.newlineOpt();

    /* Point $wnd and $doc to insideWorker global scope. Shouldn't be used, but there
     * in case preexisting code uses either as a generic global variable
     * normal access of $wnd and $doc attributes and methods will be broken,
     * per Worker spec
     */
    out.print("var $self = self;");
    out.newlineOpt();
    out.print("var $wnd = self;");
    out.newlineOpt();
    out.print("var $doc = self;");
    out.newlineOpt();

    out.print("var $moduleName, $moduleBase;"); //needed if no stats/error handling?
    out.newlineOpt();
    out.print("var $stats = null;");
    out.newlineOpt();

    // append module code

    // Find the single CompilationResult
    Set<CompilationResult> results = artifacts.find(CompilationResult.class);
    if (results.size() != 1) {
        logger.log(TreeLogger.ERROR, "The module must have exactly one distinct"
                + " permutation when using the " + getDescription() + " Linker.", null);

        // give a hint to reason for failure
        logPermutationProperties(logger, context.getProperties());

        throw new UnableToCompleteException();
    }
    CompilationResult result = results.iterator().next();

    out.print("var $strongName = '" + result.getStrongName() + "';");
    out.newlineOpt();

    // get actual compiled javascript and output
    // only one fragment currently supported (no runAsync)
    String[] js = result.getJavaScript();
    if (js.length != 1) {
        logger.log(TreeLogger.ERROR,
                "The module must not have multiple fragments when using the " + getDescription()
                        + " Linker. Use of GWT.runAsync within Worker"
                        + " code is the most likely cause of this error.",
                null);
        throw new UnableToCompleteException();
    }
    out.print(js[0]);

    // Generate the call to tell the bootstrap code that we're ready to go.
    out.newlineOpt();
    out.print("if (" + context.getModuleFunctionName() + ") " + context.getModuleFunctionName()
            + ".onScriptLoad(gwtOnLoad);");
    out.newlineOpt();
    out.print("})();");
    out.newlineOpt();

    // TODO: this naming scheme helps WorkerCompilationLinker, but users
    // compiling separate worker scripts may desire a strong file name
    return emitString(logger, out.toString(), context.getModuleName() + WORKER_EXTENSION);
}

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