1 files changed, 137 insertions, 0 deletions
diff --git a/src/com/android/loganalysis/item/BatteryDischargeItem.java b/src/com/android/loganalysis/item/BatteryDischargeItem.java
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+++ b/src/com/android/loganalysis/item/BatteryDischargeItem.java
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+/*
+ * Copyright (C) 2015 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.loganalysis.item;
+
+import org.json.JSONArray;
+import org.json.JSONException;
+import org.json.JSONObject;
+
+import java.util.Arrays;
+import java.util.Calendar;
+import java.util.Collection;
+import java.util.HashSet;
+import java.util.LinkedList;
+import java.util.Set;
+
+/**
+ * An {@link IItem} used to store information related to Battery discharge
+ */
+public class BatteryDischargeItem implements IItem {
+
+    /** Constant for JSON output */
+    public static final String BATTERY_DISCHARGE = "BATTERY_DISCHARGE";
+
+    private Collection<BatteryDischargeInfoItem> mBatteryDischargeInfo =
+            new LinkedList<BatteryDischargeInfoItem>();
+
+    public static class BatteryDischargeInfoItem extends GenericItem {
+        /** Constant for JSON output */
+        public static final String CLOCK_TIME_OF_DISCHARGE = "CLOCK_TIME_OF_DISCHARGE";
+        /** Constant for JSON output */
+        public static final String DISCHARGE_ELAPSED_TIME = "DISCHARGE_ELAPSED_TIME";
+        /** Constant for JSON output */
+        public static final String BATTERY_LEVEL = "BATTERY_LEVEL";
+
+        private static final Set<String> ATTRIBUTES = new HashSet<String>(Arrays.asList(
+                CLOCK_TIME_OF_DISCHARGE, DISCHARGE_ELAPSED_TIME, BATTERY_LEVEL));
+
+        /**
+         * The constructor for {@link BatteryDischargeInfoItem}
+         *
+         * @param clockTime Clock time when the battery discharge happened
+         * @param elapsedTime Time it took to discharge to the current battery level
+         * @param batteryLevel Current battery level
+         */
+        public BatteryDischargeInfoItem(Calendar clockTime, long elapsedTime, int batteryLevel) {
+            super(ATTRIBUTES);
+
+            setAttribute(CLOCK_TIME_OF_DISCHARGE, clockTime);
+            setAttribute(DISCHARGE_ELAPSED_TIME, elapsedTime);
+            setAttribute(BATTERY_LEVEL, batteryLevel);
+        }
+
+        /**
+         * Get the clock time when the battery level dropped
+         */
+        public Calendar getClockTime() {
+            return (Calendar) getAttribute(CLOCK_TIME_OF_DISCHARGE);
+        }
+
+        /**
+         * Get the time elapsed to discharge to the current battery level
+         */
+        public long getElapsedTime() {
+            return (long) getAttribute(DISCHARGE_ELAPSED_TIME);
+        }
+
+        /**
+         * Get the current battery level
+         */
+        public int getBatteryLevel() {
+            return (int) getAttribute(BATTERY_LEVEL);
+        }
+    }
+
+    /**
+     * Add a battery discharge step from battery stats
+     *
+     * @param clockTime Clock time when the battery discharge happened
+     * @param elapsedTime Time it took to discharge to the current battery level
+     * @param batteryLevel Current battery level
+     */
+    public void addBatteryDischargeInfo(Calendar clockTime, long elapsedTime, int batteryLevel) {
+        mBatteryDischargeInfo.add(new BatteryDischargeInfoItem(clockTime,
+                elapsedTime, batteryLevel));
+    }
+
+    public Collection<BatteryDischargeInfoItem> getDischargeStepsInfo() {
+        return mBatteryDischargeInfo;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public IItem merge(IItem other) throws ConflictingItemException {
+        throw new ConflictingItemException("Wakelock items cannot be merged");
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public boolean isConsistent(IItem other) {
+        return false;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public JSONObject toJson() {
+        JSONObject object = new JSONObject();
+        try {
+            JSONArray batteryDischargeSteps = new JSONArray();
+            for (BatteryDischargeInfoItem batteryDischargeStep : mBatteryDischargeInfo) {
+                batteryDischargeSteps.put(batteryDischargeStep.toJson());
+            }
+            object.put(BATTERY_DISCHARGE, batteryDischargeSteps);
+        } catch (JSONException e) {
+            // Ignore
+        }
+        return object;
+    }
+}