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      1 /*
      2  * Copyright (C) 2010 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.commands.monkey;
     18 
     19 import java.text.SimpleDateFormat;
     20 import java.util.HashSet;
     21 import java.util.Iterator;
     22 import java.util.Set;
     23 
     24 /**
     25  * Misc utilities.
     26  */
     27 public abstract class MonkeyUtils {
     28 
     29     private static final java.util.Date DATE = new java.util.Date();
     30     private static final SimpleDateFormat DATE_FORMATTER = new SimpleDateFormat(
     31         "yyyy-MM-dd HH:mm:ss.SSS ");
     32     private static PackageFilter sFilter;
     33 
     34     private MonkeyUtils() {
     35     }
     36 
     37     /**
     38      * Return calendar time in pretty string.
     39      */
     40     public static synchronized String toCalendarTime(long time) {
     41         DATE.setTime(time);
     42         return DATE_FORMATTER.format(DATE);
     43     }
     44 
     45     public static PackageFilter getPackageFilter() {
     46         if (sFilter == null) {
     47             sFilter = new PackageFilter();
     48         }
     49         return sFilter;
     50     }
     51 
     52     public static class PackageFilter {
     53         private Set<String> mValidPackages = new HashSet<>();
     54         private Set<String> mInvalidPackages = new HashSet<>();
     55 
     56         private PackageFilter() {
     57         }
     58 
     59         public void addValidPackages(Set<String> validPackages) {
     60             mValidPackages.addAll(validPackages);
     61         }
     62 
     63         public void addInvalidPackages(Set<String> invalidPackages) {
     64             mInvalidPackages.addAll(invalidPackages);
     65         }
     66 
     67         public boolean hasValidPackages() {
     68             return mValidPackages.size() > 0;
     69         }
     70 
     71         public boolean isPackageValid(String pkg) {
     72             return mValidPackages.contains(pkg);
     73         }
     74 
     75         public boolean isPackageInvalid(String pkg) {
     76             return mInvalidPackages.contains(pkg);
     77         }
     78 
     79         /**
     80          * Check whether we should run against the given package.
     81          *
     82          * @param pkg The package name.
     83          * @return Returns true if we should run against pkg.
     84          */
     85         public boolean checkEnteringPackage(String pkg) {
     86             if (mInvalidPackages.size() > 0) {
     87                 if (mInvalidPackages.contains(pkg)) {
     88                     return false;
     89                 }
     90             } else if (mValidPackages.size() > 0) {
     91                 if (!mValidPackages.contains(pkg)) {
     92                     return false;
     93                 }
     94             }
     95             return true;
     96         }
     97 
     98         public void dump() {
     99             if (mValidPackages.size() > 0) {
    100                 Iterator<String> it = mValidPackages.iterator();
    101                 while (it.hasNext()) {
    102                     Logger.out.println(":AllowPackage: " + it.next());
    103                 }
    104             }
    105             if (mInvalidPackages.size() > 0) {
    106                 Iterator<String> it = mInvalidPackages.iterator();
    107                 while (it.hasNext()) {
    108                     Logger.out.println(":DisallowPackage: " + it.next());
    109                 }
    110             }
    111         }
    112     }
    113 }
    114