com.google.appinventor.server.util.ResourceUtil.java Source code

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Here is the source code for com.google.appinventor.server.util.ResourceUtil.java

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// -*- mode: java; c-basic-offset: 2; -*-
// Copyright 2009-2011 Google, All Rights reserved
// Copyright 2011-2012 MIT, All rights reserved
// Released under the MIT License https://raw.github.com/mit-cml/app-inventor/master/mitlicense.txt

package com.google.appinventor.server.util;

import com.google.appinventor.common.youngandroid.YaHttpServerConstants;
import com.google.common.io.Files;
import com.google.common.io.Resources;

import java.io.File;
import java.io.IOException;
import java.net.URL;

/**
 * Helper methods for resources.
 *
 * @author lizlooney@google.com (Liz Looney)
 */
public final class ResourceUtil {

    // Jar file containing Codeblocks for Young Android
    public static final String CODEBLOCKS_JAR = "BlocksEditor.jar";

    // Main class for Codeblocks
    public static final String CODEBLOCKS_MAIN = "com.google.appinventor.blockseditor.youngandroid.YaHttpServerMain";

    // Apk file containing starter app
    private static final String STARTER_APP_APK = YaHttpServerConstants.STARTER_PHONEAPP_NAME + ".apk";

    private ResourceUtil() {
    }

    /**
     * Returns a byte array containing the binary content of the signed
     * codeblocks jar.
     */
    public static byte[] downloadSignedCodeblocksJar() throws IOException {
        // The codeblocks jar was signed at build time.
        // We expect the jar file to be in our class directory
        URL url = ResourceUtil.class.getResource(CODEBLOCKS_JAR);
        return Resources.toByteArray(url);
    }

    /**
     * Returns a byte array containing the binary content of the starter app apk.
     */
    public static byte[] downloadStarterAppApk() throws IOException {
        // We expect the start app apk file to be in our class directory
        return Resources.toByteArray(ResourceUtil.class.getResource(STARTER_APP_APK));
    }
}