1d442e0d99
There are three major classes of changes here: - Avoid writing lines where their values are often empty, false, or some other typical thing. - Use partial writes to the PrintWriter to avoid creating temporary strings. - Use StringBuilder where we need to generate real String objects (and where possible cache the result).
96 lines
3.3 KiB
Java
96 lines
3.3 KiB
Java
/*
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* Copyright (C) 2006 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.server.am;
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import android.content.Intent;
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import android.net.Uri;
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import java.io.PrintWriter;
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import java.util.HashSet;
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class UriPermission {
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final int uid;
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final Uri uri;
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int modeFlags = 0;
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int globalModeFlags = 0;
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final HashSet<HistoryRecord> readActivities = new HashSet<HistoryRecord>();
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final HashSet<HistoryRecord> writeActivities = new HashSet<HistoryRecord>();
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String stringName;
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UriPermission(int _uid, Uri _uri) {
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uid = _uid;
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uri = _uri;
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}
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void clearModes(int modeFlags) {
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if ((modeFlags&Intent.FLAG_GRANT_READ_URI_PERMISSION) != 0) {
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globalModeFlags &= ~Intent.FLAG_GRANT_READ_URI_PERMISSION;
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modeFlags &= ~Intent.FLAG_GRANT_READ_URI_PERMISSION;
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if (readActivities.size() > 0) {
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for (HistoryRecord r : readActivities) {
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r.readUriPermissions.remove(this);
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if (r.readUriPermissions.size() == 0) {
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r.readUriPermissions = null;
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}
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}
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readActivities.clear();
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}
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}
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if ((modeFlags&Intent.FLAG_GRANT_WRITE_URI_PERMISSION) != 0) {
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globalModeFlags &= ~Intent.FLAG_GRANT_WRITE_URI_PERMISSION;
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modeFlags &= ~Intent.FLAG_GRANT_WRITE_URI_PERMISSION;
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if (readActivities.size() > 0) {
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for (HistoryRecord r : readActivities) {
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r.writeUriPermissions.remove(this);
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if (r.writeUriPermissions.size() == 0) {
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r.writeUriPermissions = null;
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}
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}
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readActivities.clear();
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}
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}
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}
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public String toString() {
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if (stringName != null) {
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return stringName;
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}
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StringBuilder sb = new StringBuilder(128);
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sb.append("UriPermission{");
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sb.append(Integer.toHexString(System.identityHashCode(this)));
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sb.append(' ');
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sb.append(uri);
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sb.append('}');
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return stringName = sb.toString();
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}
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void dump(PrintWriter pw, String prefix) {
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pw.print(prefix); pw.print("modeFlags=0x");
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pw.print(Integer.toHexString(modeFlags));
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pw.print(" uid="); pw.print(uid);
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pw.print(" globalModeFlags=0x");
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pw.println(Integer.toHexString(globalModeFlags));
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if (readActivities.size() != 0) {
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pw.print(prefix); pw.print("readActivities="); pw.println(readActivities);
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}
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if (writeActivities.size() != 0) {
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pw.print(prefix); pw.print("writeActivities="); pw.println(writeActivities);
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}
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}
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}
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