Move NativeDaemonConnector to varargs.
Perform uniform argument escaping inside NativeDaemonConnector, using
varargs to separate boundaries. Also move to parsed NativeDaemonEvent
instances instead of raw Strings.
Bug: 5472606
Change-Id: I1270733e2b2eeb2f6b810240df82ab24d38ebf40
diff --git a/services/java/com/android/server/NativeDaemonEvent.java b/services/java/com/android/server/NativeDaemonEvent.java
new file mode 100644
index 0000000..b1d0788
--- /dev/null
+++ b/services/java/com/android/server/NativeDaemonEvent.java
@@ -0,0 +1,113 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.server;
+
+/**
+ * Parsed event from native side of {@link NativeDaemonConnector}.
+ */
+public class NativeDaemonEvent {
+
+ // TODO: keep class ranges in sync with ResponseCode.h
+ // TODO: swap client and server error ranges to roughly mirror HTTP spec
+
+ private final int mCode;
+ private final String mMessage;
+ private final String mRawEvent;
+
+ private NativeDaemonEvent(int code, String message, String rawEvent) {
+ mCode = code;
+ mMessage = message;
+ mRawEvent = rawEvent;
+ }
+
+ public int getCode() {
+ return mCode;
+ }
+
+ public String getMessage() {
+ return mMessage;
+ }
+
+ @Deprecated
+ public String getRawEvent() {
+ return mRawEvent;
+ }
+
+ @Override
+ public String toString() {
+ return mRawEvent;
+ }
+
+ /**
+ * Test if event represents a partial response which is continued in
+ * additional subsequent events.
+ */
+ public boolean isClassContinue() {
+ return mCode >= 100 && mCode < 200;
+ }
+
+ /**
+ * Test if event represents a command success.
+ */
+ public boolean isClassOk() {
+ return mCode >= 200 && mCode < 300;
+ }
+
+ /**
+ * Test if event represents a remote native daemon error.
+ */
+ public boolean isClassServerError() {
+ return mCode >= 400 && mCode < 500;
+ }
+
+ /**
+ * Test if event represents a command syntax or argument error.
+ */
+ public boolean isClassClientError() {
+ return mCode >= 500 && mCode < 600;
+ }
+
+ /**
+ * Test if event represents an unsolicited event from native daemon.
+ */
+ public boolean isClassUnsolicited() {
+ return mCode >= 600 && mCode < 700;
+ }
+
+ /**
+ * Parse the given raw event into {@link NativeDaemonEvent} instance.
+ *
+ * @throws IllegalArgumentException when line doesn't match format expected
+ * from native side.
+ */
+ public static NativeDaemonEvent parseRawEvent(String rawEvent) {
+ final int splitIndex = rawEvent.indexOf(' ');
+ if (splitIndex == -1) {
+ throw new IllegalArgumentException("unable to find ' ' separator");
+ }
+
+ final int code;
+ try {
+ code = Integer.parseInt(rawEvent.substring(0, splitIndex));
+ } catch (NumberFormatException e) {
+ throw new IllegalArgumentException("problem parsing code", e);
+ }
+
+ final String message = rawEvent.substring(splitIndex + 1);
+ return new NativeDaemonEvent(code, message, rawEvent);
+ }
+}