tools/vm-tests-tf/src/util/build/DeviceUtil.java.template

package dot.junit;


import com.android.ddmlib.IDevice;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.UnsupportedEncodingException;
import java.util.Scanner;

public class DeviceUtil {

    private static boolean DEBUG = System.getProperty("cts.vm-tests.debug") != null;

    /**
     * Executes the command and its arguments in a native process.
     *
     * @param commandAndArgs a string array to be passed containing the
     *            executable and its arguments
     * @param okIndicator if not null, this String must occur in the stdout of
     *            the executable (since only checking for the return code is not
     *            sufficient e.g. for adb shell cmd)
     * @throws Exception thrown by the underlying command in case of an error.
     */
    public static void digestCommand(String[] commandAndArgs, String okIndicator) {
        RuntimeException re = null;
        try {
            if (DEBUG) {
                String c = "";
                for (int i = 0; i < commandAndArgs.length; i++) {
                    c += commandAndArgs[i] + " ";
                }
                System.out.print("com: " + c);
            }
            StringBuilder sb = new StringBuilder();
            ProcessBuilder pb = new ProcessBuilder(commandAndArgs).redirectErrorStream(true);
            Process p = pb.start();

            InputStream is = p.getInputStream();
            Scanner scanner = new Scanner(is);
            int retCode = p.waitFor();
            while (scanner.hasNextLine()) {
                sb.append(scanner.nextLine());
            }
            scanner.close();
            if (retCode != 0 || (okIndicator != null && !sb.toString().contains(okIndicator))) {
                String msg = sb.toString() + "\nreturn code: " + retCode;
                re = new RuntimeException(msg);
                if (DEBUG) System.out.println("-> error! msg:"+msg);
            } else {
                if (DEBUG) System.out.println(" -> " + retCode);
            }
        } catch (Exception e) {
            throw new RuntimeException("Exception occurred: " + e.getClass().getName() + ", msg:"
                    + e.getMessage());
        } finally {
            if (re != null) {
                throw re;
            }
        }
    }

    public static void adbExec(IDevice device, String tmpdir, String classpath, String mainclass) {
        DeviceUtil.digestCommand(new String[] {"adb", "-s", device.getSerialNumber(), "shell",
               "ANDROID_DATA=" + tmpdir, "dalvikvm", "-Xint:portable", "-Xmx512M", "-Xss32K",
               "-Djava.io.tmpdir=" + tmpdir, "-classpath", classpath, mainclass, "&&",
               "echo", "mk_dalvikvmok" }, "mk_dalvikvmok");
    }
 }