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Prefer List/Map/Set as declaring type over their implementations

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Unless your are using a method declared in subclasses of an
interface, it is better to use the interface as declaring type.
One advantage of this is that changing used implementation will
be much simpler (you will have less declarations to edit).
This commit is contained in:
tonymanou 2017-01-29 20:50:58 +01:00 committed by topjohnwu
parent 0dc60debea
commit 00a0e64fdd
5 changed files with 21 additions and 15 deletions
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3
app/src/main/java/com/topjohnwu/magisk/adapters/PolicyAdapter.java
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@ -21,6 +21,7 @@ import com.topjohnwu.magisk.utils.Utils;
import java.util.HashSet; import java.util.HashSet;
import java.util.List; import java.util.List;
import java.util.Set;
import butterknife.BindView; import butterknife.BindView;
import butterknife.ButterKnife; import butterknife.ButterKnife;
@ -30,7 +31,7 @@ public class PolicyAdapter extends RecyclerView.Adapter<PolicyAdapter.ViewHolder
private List<Policy> policyList; private List<Policy> policyList;
private SuDatabaseHelper dbHelper; private SuDatabaseHelper dbHelper;
private PackageManager pm; private PackageManager pm;
private HashSet<Policy> expandList = new HashSet<>(); private Set<Policy> expandList = new HashSet<>();
public PolicyAdapter(List<Policy> list, SuDatabaseHelper db, PackageManager pm) { public PolicyAdapter(List<Policy> list, SuDatabaseHelper db, PackageManager pm) {
policyList = list; policyList = list;

3
app/src/main/java/com/topjohnwu/magisk/adapters/ReposAdapter.java
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@ -24,6 +24,7 @@ import com.topjohnwu.magisk.utils.WebWindow;
import java.util.HashSet; import java.util.HashSet;
import java.util.List; import java.util.List;
import java.util.Set;
import butterknife.BindView; import butterknife.BindView;
import butterknife.ButterKnife; import butterknife.ButterKnife;
@ -31,7 +32,7 @@ import butterknife.ButterKnife;
public class ReposAdapter extends RecyclerView.Adapter<ReposAdapter.ViewHolder> { public class ReposAdapter extends RecyclerView.Adapter<ReposAdapter.ViewHolder> {
private List<Repo> mUpdateRepos, mInstalledRepos, mOthersRepos; private List<Repo> mUpdateRepos, mInstalledRepos, mOthersRepos;
private HashSet<Repo> expandList = new HashSet<>(); private Set<Repo> expandList = new HashSet<>();
public ReposAdapter(List<Repo> update, List<Repo> installed, List<Repo> others) { public ReposAdapter(List<Repo> update, List<Repo> installed, List<Repo> others) {
mUpdateRepos = update; mUpdateRepos = update;

13
app/src/main/java/com/topjohnwu/magisk/adapters/SuLogAdapter.java
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@ -22,10 +22,11 @@ import com.topjohnwu.magisk.R;
import com.topjohnwu.magisk.superuser.SuLogEntry; import com.topjohnwu.magisk.superuser.SuLogEntry;
import java.util.ArrayList; import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet; import java.util.HashSet;
import java.util.LinkedHashMap; import java.util.LinkedHashMap;
import java.util.List; import java.util.List;
import java.util.Map;
import java.util.Set;
import butterknife.BindView; import butterknife.BindView;
import butterknife.ButterKnife; import butterknife.ButterKnife;
@ -33,13 +34,13 @@ import butterknife.ButterKnife;
public class SuLogAdapter { public class SuLogAdapter {
private ExpandableAdapter adapter; private ExpandableAdapter adapter;
private HashSet<SuLogEntry> expandList = new HashSet<>(); private Set<SuLogEntry> expandList = new HashSet<>();
public SuLogAdapter(List<SuLogEntry> list) { public SuLogAdapter(List<SuLogEntry> list) {
// Separate the logs with date // Separate the logs with date
LinkedHashMap<String, ArrayList<SuLogEntry>> logEntryMap = new LinkedHashMap<>(); Map<String, List<SuLogEntry>> logEntryMap = new LinkedHashMap<>();
ArrayList<SuLogEntry> group; List<SuLogEntry> group;
for (SuLogEntry log : list) { for (SuLogEntry log : list) {
String date = log.getDateString(); String date = log.getDateString();
group = logEntryMap.get(date); group = logEntryMap.get(date);
@ -51,8 +52,8 @@ public class SuLogAdapter {
} }
// Then format them into expandable groups // Then format them into expandable groups
ArrayList<LogGroup> logEntryGroups = new ArrayList<>(); List<LogGroup> logEntryGroups = new ArrayList<>();
for (HashMap.Entry<String, ArrayList<SuLogEntry>> entry : logEntryMap.entrySet()) { for (Map.Entry<String, List<SuLogEntry>> entry : logEntryMap.entrySet()) {
logEntryGroups.add(new LogGroup(entry.getKey(), entry.getValue())); logEntryGroups.add(new LogGroup(entry.getKey(), entry.getValue()));
} }
adapter = new ExpandableAdapter(logEntryGroups); adapter = new ExpandableAdapter(logEntryGroups);

5
app/src/main/java/com/topjohnwu/magisk/module/ModuleHelper.java
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@ -24,6 +24,7 @@ import java.util.Date;
import java.util.HashMap; import java.util.HashMap;
import java.util.List; import java.util.List;
import java.util.Locale; import java.util.Locale;
import java.util.Map;
public class ModuleHelper { public class ModuleHelper {
@ -70,7 +71,7 @@ public class ModuleHelper {
jsonString = prefs.getString(REPO_KEY, null); jsonString = prefs.getString(REPO_KEY, null);
} }
ValueSortedMap<String, Repo> cached = null; Map<String, Repo> cached = null;
if (jsonString != null) { if (jsonString != null) {
cached = gson.fromJson(jsonString, new TypeToken<ValueSortedMap<String, Repo>>(){}.getType()); cached = gson.fromJson(jsonString, new TypeToken<ValueSortedMap<String, Repo>>(){}.getType());
@ -82,7 +83,7 @@ public class ModuleHelper {
// Get cached ETag to add in the request header // Get cached ETag to add in the request header
String etag = prefs.getString(ETAG_KEY, ""); String etag = prefs.getString(ETAG_KEY, "");
HashMap<String, String> header = new HashMap<>(); Map<String, String> header = new HashMap<>();
header.put("If-None-Match", etag); header.put("If-None-Match", etag);
// Making a request to main URL for repo info // Making a request to main URL for repo info

12
app/src/main/java/com/topjohnwu/magisk/utils/CallbackHandler.java
View File

@ -2,13 +2,15 @@ package com.topjohnwu.magisk.utils;
import java.util.HashMap; import java.util.HashMap;
import java.util.HashSet; import java.util.HashSet;
import java.util.Map;
import java.util.Set;
public class CallbackHandler { public class CallbackHandler {
private static HashMap<Event, HashSet<EventListener>> listeners = new HashMap<>(); private static Map<Event, Set<EventListener>> listeners = new HashMap<>();
public static void register(Event event, EventListener listener) { public static void register(Event event, EventListener listener) {
HashSet<EventListener> list = listeners.get(event); Set<EventListener> list = listeners.get(event);
if (list == null) { if (list == null) {
list = new HashSet<>(); list = new HashSet<>();
listeners.put(event, list); listeners.put(event, list);
@ -17,21 +19,21 @@ public class CallbackHandler {
} }
public static void unRegister(Event event) { public static void unRegister(Event event) {
HashSet<EventListener> list = listeners.remove(event); Set<EventListener> list = listeners.remove(event);
if (list != null) { if (list != null) {
list.clear(); list.clear();
} }
} }
public static void unRegister(Event event, EventListener listener) { public static void unRegister(Event event, EventListener listener) {
HashSet<EventListener> list = listeners.get(event); Set<EventListener> list = listeners.get(event);
if (list != null) { if (list != null) {
list.remove(listener); list.remove(listener);
} }
} }
private static void triggerCallback(Event event) { private static void triggerCallback(Event event) {
HashSet<EventListener> list = listeners.get(event); Set<EventListener> list = listeners.get(event);
if (list != null) { if (list != null) {
for (EventListener listener : list) { for (EventListener listener : list) {
listener.onTrigger(event); listener.onTrigger(event);